Added some pictures to the build guide

merge to include updated data

.gitignore

@@ -0,0 +1 @@
+site/

LICENSE.txt

@@ -0,0 +1,14 @@
+Copyright (c) 2018, 2019, Kristjan Komloši, Jakob Kosec, Juš Dolžan,
+TeraHz development team
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

README.md

@@ -1,9 +1,24 @@
 # TeraHz
-TeraHz is a low-cost spectrometer.
+
+
+[![Documentation Status](https://readthedocs.org/projects/terahz/badge/?version=latest)](https://terahz.readthedocs.io/en/latest/?badge=latest)
+
+TeraHz is a low-cost spectrometer based on a Raspberry Pi 3 or 3 B+ and three sensors:
+ + [__AS7265x__](https://www.tindie.com/products/onehorse/compact-as7265x-spectrometer/)
+ is a 18 channel spectrometer chipset that provides the device with spectral data
+ + [__VEML6075__](https://www.sparkfun.com/products/15089) is an
+ UVA/UVB sensor
+ + [__APDS-9301__](https://www.sparkfun.com/products/14350) is a calibrated illuminance (lux) meter that provides the device with reliable readings
+
+## Why?
+Because people and institutions could use an affordable and accurate light-analysing device that is also portable, easy to use and simple to assemble. TeraHz was started as an answer to our high school not being able to afford a commercially available solution. One TeraHz spectrometer costs around 150$ in parts, which makes it a competitive alternative to other solutions on the market today.
 
 ## Development team
 Copyright 2018, 2019
 
-- Kristjan "d3m1g0d" Komloši (electronics engineer, middleware)
-- Juš "ANormalPerson" Dolžan (backend developer)
-- Jakob "D3m1j4ck" Kosec (frontend developer)
+- Kristjan "cls-02" Komloši (electronics, sensor drivers, backend)
+- Jakob "D3m1j4ck" Kosec (frontend)
+
+
+I would also like to thank Juš "ANormalPerson" Dolžan, who decided to leave the
+team, but helped me a lot with backend development.

backend/app.py

@@ -0,0 +1,16 @@
+# app.py - main backend program
+# All code in this file is licensed under the ISC license, provided in LICENSE.txt
+from flask import Flask, redirect, url_for, request
+import flask
+import sensors
+import json
+app = Flask(__name__)
+s=sensors.Spectrometer(path='/dev/serial0', baudrate=115200, tout=1)
+u=sensors.UVSensor()
+l=sensors.LxMeter()
+
+@app.route('/data')
+def sendData():
+    response = flask.jsonify([s.getData(), l.getData(), u.getABI()])
+    response.headers.add('Access-Control-Allow-Origin', '*')
+    return response

backend/sensors.py

@@ -1,7 +1,6 @@
 # sensors.py - a module for interfacing to the sensors
 # Copyright 2019 Kristjan Komloši
-# The code in this file is licensed under the 3-clause BSD License
-
+# All code in this file is licensed under the ISC license, provided in LICENSE.txt
 import serial as ser
 import pandas as pd
 import smbus2
@@ -24,27 +23,26 @@ class Spectrometer:
         except:
             raise Exception('An exception ocurred when performing spectrometer handshake')
             ex(1)
-        self.setParameters()
 
-    def setParameters(self):
+    def setParameters(self, parameters):
         '''applies the parameters like LED light and gain to the spectrometer'''
         try:
-            if 'it_time' in self.parameters:
-                it_time = int(self.parameters['it_time'])
+            if 'it_time' in parameters:
+                it_time = int(parameters['it_time'])
                 if it_time <=0 :
                     it_time = 1
                 self.serialObject.write('ATINTTIME={}\n'.format(string(it_time)).encode())
                 self.serialObject.readline()
 
-            if 'gain' in self.parameters:
-                gain = int(self.parameters['gain'])
+            if 'gain' in parameters:
+                gain = int(parameters['gain'])
                 if gain < 0 or gain > 3:
                     gain = 1
                 self.serialObject.write('ATGAIN={}\n'.format(gain).encode())
                 self.serialObject.readline()
 
-            if 'led' in self.parameters:
-                led = bool(self.parameters['led'])
+            if 'led' in parameters:
+                led = bool(parameters['led'])
                 if led:
                     led=1
                 else:
@@ -55,7 +53,7 @@ class Spectrometer:
            raise Exception('An exception occured during spectrometer initialization')
            ex(1)
 
-    def refreshData(self):
+    def getData(self):
         try:
             self.serialObject.write(b'ATCDATA\n')
             rawresp = self.serialObject.readline().decode()
@@ -66,14 +64,13 @@ class Spectrometer:
             responseorder = [i for i in 'RSTUVWGHIJKLABCDEF']
             realorder = [i for i in 'ABCDEFGHRISJTUVWKL']
             response = pd.Series([float(i)/35.0 for i in rawresp[:-3].split(',')], index=responseorder)
-            self.data = pd.DataFrame(response, index=realorder, columns = ['uW/cm^2'])
+            return pd.DataFrame(response, index=realorder, columns = ['uW/cm^2']).to_dict()['uW/cm^2']
 
 
-    def __init__(self, path='/dev/ttyUSB0', baudrate=115200, tout=1, rrate=1, params={}):
+    def __init__(self, path='/dev/ttyUSB0', baudrate=115200, tout=1):
         self.path = path
         self.baudrate = baudrate
         self.timeout = 1
-        self.parameters = params
         try:
             self.serialObject = ser.Serial(path, baudrate, timeout=tout)
         except:
@@ -81,7 +78,6 @@ class Spectrometer:
             ex(1)
         else:
             self.initializeSensor()
-            self.startDataCollection()
 
 
 class LxMeter:
@@ -94,7 +90,7 @@ class LxMeter:
 
         try:
             self.bus.write_byte_data(self.addr, 0xa0, 0x03) # enable the sensor
-            setGain(16)
+            self.setGain(16)
         except:
             raise Exception('An exception occured when enabling lux meter')
 
@@ -133,14 +129,14 @@ class LxMeter:
             temp = self.bus.read_byte_data(self.addr, 0xa1)
             self.bus.write_byte_data(self.addr, 0xa1, (temp & 0xfc) | time)
         except:
-            raise Exception('An error occured setting lux integration time')
+            raise Exception('An exception occured setting lux integration time')
 
     def getIntTime(self):
         '''Get the lux sensor integration time.'''
         try:
-            return self.bus.read_byte_data(self.addr, 0xa1) & 0xfc
+            return self.bus.read_byte_data(self.addr, 0xa1) & 0x03
         except:
-            raise Exception('An error occured getting lux integration time')
+            raise Exception('An exception occured getting lux integration time')
 
     def getData(self):
         '''return the calculated lux value'''
@@ -148,16 +144,86 @@ class LxMeter:
             chA = self.bus.read_word_data(self.addr, 0xac)
             chB = self.bus.read_word_data(self.addr, 0xae)
         except:
-            raise Exception('An error occured fetching lux channels')
+            raise Exception('An exception occured fetching lux channels')
 
+        # scary computations ahead! refer to the apds-9301 datasheet!
         if chB/chA <= 0.5 and chB/chA > 0:
-            lux = (0.0304*chA) - (0.062*chA*((chB/chA)**1.4))
+            lux = 0.0304*chA - 0.062*chA*(chB/chA)**1.4
         elif chB/chA <= 0.61 and chB/chA > 0.5:
-            lux = (0.0224*chA) - (0.031*chB)
+            lux = 0.0224*chA - 0.031*chB
         elif chB/chA <=0.8 and chB/chA > 0.61:
-            lux = (0.0128*chA) - (0.0153*chB)
+            lux = 0.0128*chA - 0.0153*chB
         elif chB/chA <=1.3 and chB/chA >0.8:
-            lux = (0.00146*chA) - (0.00112*chB)
+            lux = 0.00146*chA - 0.00112*chB
         else:
             lux = 0
         return lux
+
+class UVSensor:
+    def __init__(self, bus=1, addr=0x10):
+        self.addr=addr
+        try:
+            self.bus = smbus2.SMBus(bus)
+        except:
+            raise Exception('An exception occured opening SMBus {}'.format(bus))
+
+        try:
+            # enable the sensor and set the integration time
+            self.bus.write_byte_data(self.addr, 0x00, 0b00010000)
+        except:
+            raise Exception('An exception occured when initalizing the UV Sensor')
+
+    def getABI(self):
+        '''Calculates the UVA and UVB irradiances,
+        along with UV index. Returns [a,b,i]'''
+
+        try:
+            # read the raw UVA, UVB and compensation values from the sensor
+            aRaw = self.bus.read_word_data(self.addr, 0x07)
+            bRaw = self.bus.read_word_data(self.addr, 0x09)
+            c1 = self.bus.read_word_data(self.addr, 0x0a)
+            c2 = self.bus.read_word_data(self.addr, 0x0b)
+        except:
+            raise Exception('An exception occured when fetching raw UV data')
+        # scary computations ahead! refer to Vishay app note 84339 and Sparkfun
+        # VEML6075 documentation.
+
+        # first, compensate for visible and IR noise
+        aCorr = aRaw - 2.22 * c1 - 1.33 * c2
+        bCorr = bRaw - 2.95 * c1 - 1.74 * c2
+
+        # second, convert values into irradiances
+        a = aCorr * 0.00110
+        b = bCorr * 0.00125
+
+        # last, calculate the UV index
+        i = (a + b) / 2
+
+        return [a,b,i]
+
+    def getA(self):
+        return self.getABI()[0]
+
+    def getB(self):
+        return self.getABI()[1]
+
+    def getI(self):
+        return self.getABI()[2]
+
+    def on(self):
+        '''Turns the UV sensor on after shutdown.'''
+        try:
+            # write the default value for power on
+            # no configurable params = no bitmask
+            self.bus.write_byte_data(self.addr, 0x00, 0x10)
+        except:
+            raise Exception('An exception occured when turning the UV sensor on')
+
+    def off(self):
+        '''Shuts the UV sensor down.'''
+        try:
+            # write the default value + the shutdown bit
+            # no configurable params = no bitmask
+            self.bus.write_byte_data(self.addr, 0x00, 0x11)
+        except:
+            raise Exception('An exception occured when shutting the UV sensor down')

backend/storage.py

@@ -0,0 +1,31 @@
+# storage.py - storage backend for TeraHz
+# Copyright Kristjan Komloši 2019
+# All code in this file is licensed under the ISC license, provided in LICENSE.txt
+
+
+import sqlite3
+class jsonStorage:
+    def __init__(self, dbFile):
+        '''Storage object constructor. Argument is filename'''
+        self.db = sqlite3.connect(dbFile)
+
+    def listJSONs(self):
+        c = self.db.cursor()
+        c.execute('SELECT * FROM storage')
+        result = c.fetchall()
+        c.close()
+        return result
+
+    def storeJSON(self, jsonString, comment):
+        c = self.db.cursor()
+        c.execute('INSERT INTO storage VALUES (datetime(\'now\', \'localtime\'), ?, ?)', (comment, jsonString))
+        c.close()
+        self.db.commit()
+
+    def retrieveJSON(self, timestamp):
+        '''Retrieves a JSON entry. Takes a timestamp string'''
+        c = self.db.cursor()
+        c.execute('SELECT * FROM storage WHERE timestamp = ?', (timestamp,))
+        result = c.fetchall()
+        c.close()
+        return result

backend/venv/bin/activate

@@ -1,76 +0,0 @@
-# This file must be used with "source bin/activate" *from bash*
-# you cannot run it directly
-
-deactivate () {
-    # reset old environment variables
-    if [ -n "${_OLD_VIRTUAL_PATH:-}" ] ; then
-        PATH="${_OLD_VIRTUAL_PATH:-}"
-        export PATH
-        unset _OLD_VIRTUAL_PATH
-    fi
-    if [ -n "${_OLD_VIRTUAL_PYTHONHOME:-}" ] ; then
-        PYTHONHOME="${_OLD_VIRTUAL_PYTHONHOME:-}"
-        export PYTHONHOME
-        unset _OLD_VIRTUAL_PYTHONHOME
-    fi
-
-    # This should detect bash and zsh, which have a hash command that must
-    # be called to get it to forget past commands.  Without forgetting
-    # past commands the $PATH changes we made may not be respected
-    if [ -n "${BASH:-}" -o -n "${ZSH_VERSION:-}" ] ; then
-        hash -r
-    fi
-
-    if [ -n "${_OLD_VIRTUAL_PS1:-}" ] ; then
-        PS1="${_OLD_VIRTUAL_PS1:-}"
-        export PS1
-        unset _OLD_VIRTUAL_PS1
-    fi
-
-    unset VIRTUAL_ENV
-    if [ ! "$1" = "nondestructive" ] ; then
-    # Self destruct!
-        unset -f deactivate
-    fi
-}
-
-# unset irrelevant variables
-deactivate nondestructive
-
-VIRTUAL_ENV="/root/projekti/TeraHz/backend/venv"
-export VIRTUAL_ENV
-
-_OLD_VIRTUAL_PATH="$PATH"
-PATH="$VIRTUAL_ENV/bin:$PATH"
-export PATH
-
-# unset PYTHONHOME if set
-# this will fail if PYTHONHOME is set to the empty string (which is bad anyway)
-# could use `if (set -u; : $PYTHONHOME) ;` in bash
-if [ -n "${PYTHONHOME:-}" ] ; then
-    _OLD_VIRTUAL_PYTHONHOME="${PYTHONHOME:-}"
-    unset PYTHONHOME
-fi
-
-if [ -z "${VIRTUAL_ENV_DISABLE_PROMPT:-}" ] ; then
-    _OLD_VIRTUAL_PS1="${PS1:-}"
-    if [ "x(venv) " != x ] ; then
-	PS1="(venv) ${PS1:-}"
-    else
-    if [ "`basename \"$VIRTUAL_ENV\"`" = "__" ] ; then
-        # special case for Aspen magic directories
-        # see http://www.zetadev.com/software/aspen/
-        PS1="[`basename \`dirname \"$VIRTUAL_ENV\"\``] $PS1"
-    else
-        PS1="(`basename \"$VIRTUAL_ENV\"`)$PS1"
-    fi
-    fi
-    export PS1
-fi
-
-# This should detect bash and zsh, which have a hash command that must
-# be called to get it to forget past commands.  Without forgetting
-# past commands the $PATH changes we made may not be respected
-if [ -n "${BASH:-}" -o -n "${ZSH_VERSION:-}" ] ; then
-    hash -r
-fi

backend/venv/bin/activate.csh

@@ -1,37 +0,0 @@
-# This file must be used with "source bin/activate.csh" *from csh*.
-# You cannot run it directly.
-# Created by Davide Di Blasi <davidedb@gmail.com>.
-# Ported to Python 3.3 venv by Andrew Svetlov <andrew.svetlov@gmail.com>
-
-alias deactivate 'test $?_OLD_VIRTUAL_PATH != 0 && setenv PATH "$_OLD_VIRTUAL_PATH" && unset _OLD_VIRTUAL_PATH; rehash; test $?_OLD_VIRTUAL_PROMPT != 0 && set prompt="$_OLD_VIRTUAL_PROMPT" && unset _OLD_VIRTUAL_PROMPT; unsetenv VIRTUAL_ENV; test "\!:*" != "nondestructive" && unalias deactivate'
-
-# Unset irrelevant variables.
-deactivate nondestructive
-
-setenv VIRTUAL_ENV "/root/projekti/TeraHz/backend/venv"
-
-set _OLD_VIRTUAL_PATH="$PATH"
-setenv PATH "$VIRTUAL_ENV/bin:$PATH"
-
-
-set _OLD_VIRTUAL_PROMPT="$prompt"
-
-if (! "$?VIRTUAL_ENV_DISABLE_PROMPT") then
-    if ("venv" != "") then
-        set env_name = "venv"
-    else
-        if (`basename "VIRTUAL_ENV"` == "__") then
-            # special case for Aspen magic directories
-            # see http://www.zetadev.com/software/aspen/
-            set env_name = `basename \`dirname "$VIRTUAL_ENV"\``
-        else
-            set env_name = `basename "$VIRTUAL_ENV"`
-        endif
-    endif
-    set prompt = "[$env_name] $prompt"
-    unset env_name
-endif
-
-alias pydoc python -m pydoc
-
-rehash

backend/venv/bin/activate.fish

@@ -1,75 +0,0 @@
-# This file must be used with ". bin/activate.fish" *from fish* (http://fishshell.org)
-# you cannot run it directly
-
-function deactivate  -d "Exit virtualenv and return to normal shell environment"
-    # reset old environment variables
-    if test -n "$_OLD_VIRTUAL_PATH"
-        set -gx PATH $_OLD_VIRTUAL_PATH
-        set -e _OLD_VIRTUAL_PATH
-    end
-    if test -n "$_OLD_VIRTUAL_PYTHONHOME"
-        set -gx PYTHONHOME $_OLD_VIRTUAL_PYTHONHOME
-        set -e _OLD_VIRTUAL_PYTHONHOME
-    end
-
-    if test -n "$_OLD_FISH_PROMPT_OVERRIDE"
-        functions -e fish_prompt
-        set -e _OLD_FISH_PROMPT_OVERRIDE
-        functions -c _old_fish_prompt fish_prompt
-        functions -e _old_fish_prompt
-    end
-
-    set -e VIRTUAL_ENV
-    if test "$argv[1]" != "nondestructive"
-        # Self destruct!
-        functions -e deactivate
-    end
-end
-
-# unset irrelevant variables
-deactivate nondestructive
-
-set -gx VIRTUAL_ENV "/root/projekti/TeraHz/backend/venv"
-
-set -gx _OLD_VIRTUAL_PATH $PATH
-set -gx PATH "$VIRTUAL_ENV/bin" $PATH
-
-# unset PYTHONHOME if set
-if set -q PYTHONHOME
-    set -gx _OLD_VIRTUAL_PYTHONHOME $PYTHONHOME
-    set -e PYTHONHOME
-end
-
-if test -z "$VIRTUAL_ENV_DISABLE_PROMPT"
-    # fish uses a function instead of an env var to generate the prompt.
-
-    # save the current fish_prompt function as the function _old_fish_prompt
-    functions -c fish_prompt _old_fish_prompt
-
-    # with the original prompt function renamed, we can override with our own.
-    function fish_prompt
-        # Save the return status of the last command
-        set -l old_status $status
-
-        # Prompt override?
-        if test -n "(venv) "            
-            printf "%s%s" "(venv) " (set_color normal)
-        else
-            # ...Otherwise, prepend env
-            set -l _checkbase (basename "$VIRTUAL_ENV")
-            if test $_checkbase = "__"
-                # special case for Aspen magic directories
-                # see http://www.zetadev.com/software/aspen/
-                printf "%s[%s]%s " (set_color -b blue white) (basename (dirname "$VIRTUAL_ENV")) (set_color normal)
-            else
-                printf "%s(%s)%s" (set_color -b blue white) (basename "$VIRTUAL_ENV") (set_color normal)
-            end
-        end
-
-        # Restore the return status of the previous command.
-        echo "exit $old_status" | .
-        _old_fish_prompt
-    end
-
-    set -gx _OLD_FISH_PROMPT_OVERRIDE "$VIRTUAL_ENV"
-end

backend/venv/bin/easy_install

@@ -1,10 +0,0 @@
-#!/root/projekti/TeraHz/backend/venv/bin/python3
-# -*- coding: utf-8 -*-
-import re
-import sys
-
-from setuptools.command.easy_install import main
-
-if __name__ == '__main__':
-    sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
-    sys.exit(main())

backend/venv/bin/easy_install-3.6

@@ -1,10 +0,0 @@
-#!/root/projekti/TeraHz/backend/venv/bin/python3
-# -*- coding: utf-8 -*-
-import re
-import sys
-
-from setuptools.command.easy_install import main
-
-if __name__ == '__main__':
-    sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
-    sys.exit(main())

backend/venv/bin/f2py

@@ -1,10 +0,0 @@
-#!/root/projekti/TeraHz/backend/venv/bin/python3
-# -*- coding: utf-8 -*-
-import re
-import sys
-
-from numpy.f2py.f2py2e import main
-
-if __name__ == '__main__':
-    sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
-    sys.exit(main())

backend/venv/bin/f2py3

@@ -1,10 +0,0 @@
-#!/root/projekti/TeraHz/backend/venv/bin/python3
-# -*- coding: utf-8 -*-
-import re
-import sys
-
-from numpy.f2py.f2py2e import main
-
-if __name__ == '__main__':
-    sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
-    sys.exit(main())

backend/venv/bin/f2py3.6

@@ -1,10 +0,0 @@
-#!/root/projekti/TeraHz/backend/venv/bin/python3
-# -*- coding: utf-8 -*-
-import re
-import sys
-
-from numpy.f2py.f2py2e import main
-
-if __name__ == '__main__':
-    sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
-    sys.exit(main())

backend/venv/bin/flask

@@ -1,10 +0,0 @@
-#!/root/projekti/TeraHz/backend/venv/bin/python3
-# -*- coding: utf-8 -*-
-import re
-import sys
-
-from flask.cli import main
-
-if __name__ == '__main__':
-    sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
-    sys.exit(main())

backend/venv/bin/futurize

@@ -1,12 +0,0 @@
-#!/root/projekti/TeraHz/backend/venv/bin/python3
-# EASY-INSTALL-ENTRY-SCRIPT: 'future==0.17.1','console_scripts','futurize'
-__requires__ = 'future==0.17.1'
-import re
-import sys
-from pkg_resources import load_entry_point
-
-if __name__ == '__main__':
-    sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
-    sys.exit(
-        load_entry_point('future==0.17.1', 'console_scripts', 'futurize')()
-    )

backend/venv/bin/miniterm.py

@@ -1,976 +0,0 @@
-#!/root/projekti/TeraHz/backend/venv/bin/python3
-#
-# Very simple serial terminal
-#
-# This file is part of pySerial. https://github.com/pyserial/pyserial
-# (C)2002-2015 Chris Liechti <cliechti@gmx.net>
-#
-# SPDX-License-Identifier:    BSD-3-Clause
-
-import codecs
-import os
-import sys
-import threading
-
-import serial
-from serial.tools.list_ports import comports
-from serial.tools import hexlify_codec
-
-# pylint: disable=wrong-import-order,wrong-import-position
-
-codecs.register(lambda c: hexlify_codec.getregentry() if c == 'hexlify' else None)
-
-try:
-    raw_input
-except NameError:
-    # pylint: disable=redefined-builtin,invalid-name
-    raw_input = input   # in python3 it's "raw"
-    unichr = chr
-
-
-def key_description(character):
-    """generate a readable description for a key"""
-    ascii_code = ord(character)
-    if ascii_code < 32:
-        return 'Ctrl+{:c}'.format(ord('@') + ascii_code)
-    else:
-        return repr(character)
-
-
-# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-class ConsoleBase(object):
-    """OS abstraction for console (input/output codec, no echo)"""
-
-    def __init__(self):
-        if sys.version_info >= (3, 0):
-            self.byte_output = sys.stdout.buffer
-        else:
-            self.byte_output = sys.stdout
-        self.output = sys.stdout
-
-    def setup(self):
-        """Set console to read single characters, no echo"""
-
-    def cleanup(self):
-        """Restore default console settings"""
-
-    def getkey(self):
-        """Read a single key from the console"""
-        return None
-
-    def write_bytes(self, byte_string):
-        """Write bytes (already encoded)"""
-        self.byte_output.write(byte_string)
-        self.byte_output.flush()
-
-    def write(self, text):
-        """Write string"""
-        self.output.write(text)
-        self.output.flush()
-
-    def cancel(self):
-        """Cancel getkey operation"""
-
-    #  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -
-    # context manager:
-    # switch terminal temporary to normal mode (e.g. to get user input)
-
-    def __enter__(self):
-        self.cleanup()
-        return self
-
-    def __exit__(self, *args, **kwargs):
-        self.setup()
-
-
-if os.name == 'nt':  # noqa
-    import msvcrt
-    import ctypes
-
-    class Out(object):
-        """file-like wrapper that uses os.write"""
-
-        def __init__(self, fd):
-            self.fd = fd
-
-        def flush(self):
-            pass
-
-        def write(self, s):
-            os.write(self.fd, s)
-
-    class Console(ConsoleBase):
-        def __init__(self):
-            super(Console, self).__init__()
-            self._saved_ocp = ctypes.windll.kernel32.GetConsoleOutputCP()
-            self._saved_icp = ctypes.windll.kernel32.GetConsoleCP()
-            ctypes.windll.kernel32.SetConsoleOutputCP(65001)
-            ctypes.windll.kernel32.SetConsoleCP(65001)
-            self.output = codecs.getwriter('UTF-8')(Out(sys.stdout.fileno()), 'replace')
-            # the change of the code page is not propagated to Python, manually fix it
-            sys.stderr = codecs.getwriter('UTF-8')(Out(sys.stderr.fileno()), 'replace')
-            sys.stdout = self.output
-            self.output.encoding = 'UTF-8'  # needed for input
-
-        def __del__(self):
-            ctypes.windll.kernel32.SetConsoleOutputCP(self._saved_ocp)
-            ctypes.windll.kernel32.SetConsoleCP(self._saved_icp)
-
-        def getkey(self):
-            while True:
-                z = msvcrt.getwch()
-                if z == unichr(13):
-                    return unichr(10)
-                elif z in (unichr(0), unichr(0x0e)):    # functions keys, ignore
-                    msvcrt.getwch()
-                else:
-                    return z
-
-        def cancel(self):
-            # CancelIo, CancelSynchronousIo do not seem to work when using
-            # getwch, so instead, send a key to the window with the console
-            hwnd = ctypes.windll.kernel32.GetConsoleWindow()
-            ctypes.windll.user32.PostMessageA(hwnd, 0x100, 0x0d, 0)
-
-elif os.name == 'posix':
-    import atexit
-    import termios
-    import fcntl
-
-    class Console(ConsoleBase):
-        def __init__(self):
-            super(Console, self).__init__()
-            self.fd = sys.stdin.fileno()
-            self.old = termios.tcgetattr(self.fd)
-            atexit.register(self.cleanup)
-            if sys.version_info < (3, 0):
-                self.enc_stdin = codecs.getreader(sys.stdin.encoding)(sys.stdin)
-            else:
-                self.enc_stdin = sys.stdin
-
-        def setup(self):
-            new = termios.tcgetattr(self.fd)
-            new[3] = new[3] & ~termios.ICANON & ~termios.ECHO & ~termios.ISIG
-            new[6][termios.VMIN] = 1
-            new[6][termios.VTIME] = 0
-            termios.tcsetattr(self.fd, termios.TCSANOW, new)
-
-        def getkey(self):
-            c = self.enc_stdin.read(1)
-            if c == unichr(0x7f):
-                c = unichr(8)    # map the BS key (which yields DEL) to backspace
-            return c
-
-        def cancel(self):
-            fcntl.ioctl(self.fd, termios.TIOCSTI, b'\0')
-
-        def cleanup(self):
-            termios.tcsetattr(self.fd, termios.TCSAFLUSH, self.old)
-
-else:
-    raise NotImplementedError(
-        'Sorry no implementation for your platform ({}) available.'.format(sys.platform))
-
-
-# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-
-class Transform(object):
-    """do-nothing: forward all data unchanged"""
-    def rx(self, text):
-        """text received from serial port"""
-        return text
-
-    def tx(self, text):
-        """text to be sent to serial port"""
-        return text
-
-    def echo(self, text):
-        """text to be sent but displayed on console"""
-        return text
-
-
-class CRLF(Transform):
-    """ENTER sends CR+LF"""
-
-    def tx(self, text):
-        return text.replace('\n', '\r\n')
-
-
-class CR(Transform):
-    """ENTER sends CR"""
-
-    def rx(self, text):
-        return text.replace('\r', '\n')
-
-    def tx(self, text):
-        return text.replace('\n', '\r')
-
-
-class LF(Transform):
-    """ENTER sends LF"""
-
-
-class NoTerminal(Transform):
-    """remove typical terminal control codes from input"""
-
-    REPLACEMENT_MAP = dict((x, 0x2400 + x) for x in range(32) if unichr(x) not in '\r\n\b\t')
-    REPLACEMENT_MAP.update(
-        {
-            0x7F: 0x2421,  # DEL
-            0x9B: 0x2425,  # CSI
-        })
-
-    def rx(self, text):
-        return text.translate(self.REPLACEMENT_MAP)
-
-    echo = rx
-
-
-class NoControls(NoTerminal):
-    """Remove all control codes, incl. CR+LF"""
-
-    REPLACEMENT_MAP = dict((x, 0x2400 + x) for x in range(32))
-    REPLACEMENT_MAP.update(
-        {
-            0x20: 0x2423,  # visual space
-            0x7F: 0x2421,  # DEL
-            0x9B: 0x2425,  # CSI
-        })
-
-
-class Printable(Transform):
-    """Show decimal code for all non-ASCII characters and replace most control codes"""
-
-    def rx(self, text):
-        r = []
-        for c in text:
-            if ' ' <= c < '\x7f' or c in '\r\n\b\t':
-                r.append(c)
-            elif c < ' ':
-                r.append(unichr(0x2400 + ord(c)))
-            else:
-                r.extend(unichr(0x2080 + ord(d) - 48) for d in '{:d}'.format(ord(c)))
-                r.append(' ')
-        return ''.join(r)
-
-    echo = rx
-
-
-class Colorize(Transform):
-    """Apply different colors for received and echo"""
-
-    def __init__(self):
-        # XXX make it configurable, use colorama?
-        self.input_color = '\x1b[37m'
-        self.echo_color = '\x1b[31m'
-
-    def rx(self, text):
-        return self.input_color + text
-
-    def echo(self, text):
-        return self.echo_color + text
-
-
-class DebugIO(Transform):
-    """Print what is sent and received"""
-
-    def rx(self, text):
-        sys.stderr.write(' [RX:{}] '.format(repr(text)))
-        sys.stderr.flush()
-        return text
-
-    def tx(self, text):
-        sys.stderr.write(' [TX:{}] '.format(repr(text)))
-        sys.stderr.flush()
-        return text
-
-
-# other ideas:
-# - add date/time for each newline
-# - insert newline after: a) timeout b) packet end character
-
-EOL_TRANSFORMATIONS = {
-    'crlf': CRLF,
-    'cr': CR,
-    'lf': LF,
-}
-
-TRANSFORMATIONS = {
-    'direct': Transform,    # no transformation
-    'default': NoTerminal,
-    'nocontrol': NoControls,
-    'printable': Printable,
-    'colorize': Colorize,
-    'debug': DebugIO,
-}
-
-
-# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-def ask_for_port():
-    """\
-    Show a list of ports and ask the user for a choice. To make selection
-    easier on systems with long device names, also allow the input of an
-    index.
-    """
-    sys.stderr.write('\n--- Available ports:\n')
-    ports = []
-    for n, (port, desc, hwid) in enumerate(sorted(comports()), 1):
-        sys.stderr.write('--- {:2}: {:20} {!r}\n'.format(n, port, desc))
-        ports.append(port)
-    while True:
-        port = raw_input('--- Enter port index or full name: ')
-        try:
-            index = int(port) - 1
-            if not 0 <= index < len(ports):
-                sys.stderr.write('--- Invalid index!\n')
-                continue
-        except ValueError:
-            pass
-        else:
-            port = ports[index]
-        return port
-
-
-class Miniterm(object):
-    """\
-    Terminal application. Copy data from serial port to console and vice versa.
-    Handle special keys from the console to show menu etc.
-    """
-
-    def __init__(self, serial_instance, echo=False, eol='crlf', filters=()):
-        self.console = Console()
-        self.serial = serial_instance
-        self.echo = echo
-        self.raw = False
-        self.input_encoding = 'UTF-8'
-        self.output_encoding = 'UTF-8'
-        self.eol = eol
-        self.filters = filters
-        self.update_transformations()
-        self.exit_character = 0x1d  # GS/CTRL+]
-        self.menu_character = 0x14  # Menu: CTRL+T
-        self.alive = None
-        self._reader_alive = None
-        self.receiver_thread = None
-        self.rx_decoder = None
-        self.tx_decoder = None
-
-    def _start_reader(self):
-        """Start reader thread"""
-        self._reader_alive = True
-        # start serial->console thread
-        self.receiver_thread = threading.Thread(target=self.reader, name='rx')
-        self.receiver_thread.daemon = True
-        self.receiver_thread.start()
-
-    def _stop_reader(self):
-        """Stop reader thread only, wait for clean exit of thread"""
-        self._reader_alive = False
-        if hasattr(self.serial, 'cancel_read'):
-            self.serial.cancel_read()
-        self.receiver_thread.join()
-
-    def start(self):
-        """start worker threads"""
-        self.alive = True
-        self._start_reader()
-        # enter console->serial loop
-        self.transmitter_thread = threading.Thread(target=self.writer, name='tx')
-        self.transmitter_thread.daemon = True
-        self.transmitter_thread.start()
-        self.console.setup()
-
-    def stop(self):
-        """set flag to stop worker threads"""
-        self.alive = False
-
-    def join(self, transmit_only=False):
-        """wait for worker threads to terminate"""
-        self.transmitter_thread.join()
-        if not transmit_only:
-            if hasattr(self.serial, 'cancel_read'):
-                self.serial.cancel_read()
-            self.receiver_thread.join()
-
-    def close(self):
-        self.serial.close()
-
-    def update_transformations(self):
-        """take list of transformation classes and instantiate them for rx and tx"""
-        transformations = [EOL_TRANSFORMATIONS[self.eol]] + [TRANSFORMATIONS[f]
-                                                             for f in self.filters]
-        self.tx_transformations = [t() for t in transformations]
-        self.rx_transformations = list(reversed(self.tx_transformations))
-
-    def set_rx_encoding(self, encoding, errors='replace'):
-        """set encoding for received data"""
-        self.input_encoding = encoding
-        self.rx_decoder = codecs.getincrementaldecoder(encoding)(errors)
-
-    def set_tx_encoding(self, encoding, errors='replace'):
-        """set encoding for transmitted data"""
-        self.output_encoding = encoding
-        self.tx_encoder = codecs.getincrementalencoder(encoding)(errors)
-
-    def dump_port_settings(self):
-        """Write current settings to sys.stderr"""
-        sys.stderr.write("\n--- Settings: {p.name}  {p.baudrate},{p.bytesize},{p.parity},{p.stopbits}\n".format(
-            p=self.serial))
-        sys.stderr.write('--- RTS: {:8}  DTR: {:8}  BREAK: {:8}\n'.format(
-            ('active' if self.serial.rts else 'inactive'),
-            ('active' if self.serial.dtr else 'inactive'),
-            ('active' if self.serial.break_condition else 'inactive')))
-        try:
-            sys.stderr.write('--- CTS: {:8}  DSR: {:8}  RI: {:8}  CD: {:8}\n'.format(
-                ('active' if self.serial.cts else 'inactive'),
-                ('active' if self.serial.dsr else 'inactive'),
-                ('active' if self.serial.ri else 'inactive'),
-                ('active' if self.serial.cd else 'inactive')))
-        except serial.SerialException:
-            # on RFC 2217 ports, it can happen if no modem state notification was
-            # yet received. ignore this error.
-            pass
-        sys.stderr.write('--- software flow control: {}\n'.format('active' if self.serial.xonxoff else 'inactive'))
-        sys.stderr.write('--- hardware flow control: {}\n'.format('active' if self.serial.rtscts else 'inactive'))
-        sys.stderr.write('--- serial input encoding: {}\n'.format(self.input_encoding))
-        sys.stderr.write('--- serial output encoding: {}\n'.format(self.output_encoding))
-        sys.stderr.write('--- EOL: {}\n'.format(self.eol.upper()))
-        sys.stderr.write('--- filters: {}\n'.format(' '.join(self.filters)))
-
-    def reader(self):
-        """loop and copy serial->console"""
-        try:
-            while self.alive and self._reader_alive:
-                # read all that is there or wait for one byte
-                data = self.serial.read(self.serial.in_waiting or 1)
-                if data:
-                    if self.raw:
-                        self.console.write_bytes(data)
-                    else:
-                        text = self.rx_decoder.decode(data)
-                        for transformation in self.rx_transformations:
-                            text = transformation.rx(text)
-                        self.console.write(text)
-        except serial.SerialException:
-            self.alive = False
-            self.console.cancel()
-            raise       # XXX handle instead of re-raise?
-
-    def writer(self):
-        """\
-        Loop and copy console->serial until self.exit_character character is
-        found. When self.menu_character is found, interpret the next key
-        locally.
-        """
-        menu_active = False
-        try:
-            while self.alive:
-                try:
-                    c = self.console.getkey()
-                except KeyboardInterrupt:
-                    c = '\x03'
-                if not self.alive:
-                    break
-                if menu_active:
-                    self.handle_menu_key(c)
-                    menu_active = False
-                elif c == self.menu_character:
-                    menu_active = True      # next char will be for menu
-                elif c == self.exit_character:
-                    self.stop()             # exit app
-                    break
-                else:
-                    #~ if self.raw:
-                    text = c
-                    for transformation in self.tx_transformations:
-                        text = transformation.tx(text)
-                    self.serial.write(self.tx_encoder.encode(text))
-                    if self.echo:
-                        echo_text = c
-                        for transformation in self.tx_transformations:
-                            echo_text = transformation.echo(echo_text)
-                        self.console.write(echo_text)
-        except:
-            self.alive = False
-            raise
-
-    def handle_menu_key(self, c):
-        """Implement a simple menu / settings"""
-        if c == self.menu_character or c == self.exit_character:
-            # Menu/exit character again -> send itself
-            self.serial.write(self.tx_encoder.encode(c))
-            if self.echo:
-                self.console.write(c)
-        elif c == '\x15':                       # CTRL+U -> upload file
-            self.upload_file()
-        elif c in '\x08hH?':                    # CTRL+H, h, H, ? -> Show help
-            sys.stderr.write(self.get_help_text())
-        elif c == '\x12':                       # CTRL+R -> Toggle RTS
-            self.serial.rts = not self.serial.rts
-            sys.stderr.write('--- RTS {} ---\n'.format('active' if self.serial.rts else 'inactive'))
-        elif c == '\x04':                       # CTRL+D -> Toggle DTR
-            self.serial.dtr = not self.serial.dtr
-            sys.stderr.write('--- DTR {} ---\n'.format('active' if self.serial.dtr else 'inactive'))
-        elif c == '\x02':                       # CTRL+B -> toggle BREAK condition
-            self.serial.break_condition = not self.serial.break_condition
-            sys.stderr.write('--- BREAK {} ---\n'.format('active' if self.serial.break_condition else 'inactive'))
-        elif c == '\x05':                       # CTRL+E -> toggle local echo
-            self.echo = not self.echo
-            sys.stderr.write('--- local echo {} ---\n'.format('active' if self.echo else 'inactive'))
-        elif c == '\x06':                       # CTRL+F -> edit filters
-            self.change_filter()
-        elif c == '\x0c':                       # CTRL+L -> EOL mode
-            modes = list(EOL_TRANSFORMATIONS)  # keys
-            eol = modes.index(self.eol) + 1
-            if eol >= len(modes):
-                eol = 0
-            self.eol = modes[eol]
-            sys.stderr.write('--- EOL: {} ---\n'.format(self.eol.upper()))
-            self.update_transformations()
-        elif c == '\x01':                       # CTRL+A -> set encoding
-            self.change_encoding()
-        elif c == '\x09':                       # CTRL+I -> info
-            self.dump_port_settings()
-        #~ elif c == '\x01':                       # CTRL+A -> cycle escape mode
-        #~ elif c == '\x0c':                       # CTRL+L -> cycle linefeed mode
-        elif c in 'pP':                         # P -> change port
-            self.change_port()
-        elif c in 'sS':                         # S -> suspend / open port temporarily
-            self.suspend_port()
-        elif c in 'bB':                         # B -> change baudrate
-            self.change_baudrate()
-        elif c == '8':                          # 8 -> change to 8 bits
-            self.serial.bytesize = serial.EIGHTBITS
-            self.dump_port_settings()
-        elif c == '7':                          # 7 -> change to 8 bits
-            self.serial.bytesize = serial.SEVENBITS
-            self.dump_port_settings()
-        elif c in 'eE':                         # E -> change to even parity
-            self.serial.parity = serial.PARITY_EVEN
-            self.dump_port_settings()
-        elif c in 'oO':                         # O -> change to odd parity
-            self.serial.parity = serial.PARITY_ODD
-            self.dump_port_settings()
-        elif c in 'mM':                         # M -> change to mark parity
-            self.serial.parity = serial.PARITY_MARK
-            self.dump_port_settings()
-        elif c in 'sS':                         # S -> change to space parity
-            self.serial.parity = serial.PARITY_SPACE
-            self.dump_port_settings()
-        elif c in 'nN':                         # N -> change to no parity
-            self.serial.parity = serial.PARITY_NONE
-            self.dump_port_settings()
-        elif c == '1':                          # 1 -> change to 1 stop bits
-            self.serial.stopbits = serial.STOPBITS_ONE
-            self.dump_port_settings()
-        elif c == '2':                          # 2 -> change to 2 stop bits
-            self.serial.stopbits = serial.STOPBITS_TWO
-            self.dump_port_settings()
-        elif c == '3':                          # 3 -> change to 1.5 stop bits
-            self.serial.stopbits = serial.STOPBITS_ONE_POINT_FIVE
-            self.dump_port_settings()
-        elif c in 'xX':                         # X -> change software flow control
-            self.serial.xonxoff = (c == 'X')
-            self.dump_port_settings()
-        elif c in 'rR':                         # R -> change hardware flow control
-            self.serial.rtscts = (c == 'R')
-            self.dump_port_settings()
-        else:
-            sys.stderr.write('--- unknown menu character {} --\n'.format(key_description(c)))
-
-    def upload_file(self):
-        """Ask user for filenname and send its contents"""
-        sys.stderr.write('\n--- File to upload: ')
-        sys.stderr.flush()
-        with self.console:
-            filename = sys.stdin.readline().rstrip('\r\n')
-            if filename:
-                try:
-                    with open(filename, 'rb') as f:
-                        sys.stderr.write('--- Sending file {} ---\n'.format(filename))
-                        while True:
-                            block = f.read(1024)
-                            if not block:
-                                break
-                            self.serial.write(block)
-                            # Wait for output buffer to drain.
-                            self.serial.flush()
-                            sys.stderr.write('.')   # Progress indicator.
-                    sys.stderr.write('\n--- File {} sent ---\n'.format(filename))
-                except IOError as e:
-                    sys.stderr.write('--- ERROR opening file {}: {} ---\n'.format(filename, e))
-
-    def change_filter(self):
-        """change the i/o transformations"""
-        sys.stderr.write('\n--- Available Filters:\n')
-        sys.stderr.write('\n'.join(
-            '---   {:<10} = {.__doc__}'.format(k, v)
-            for k, v in sorted(TRANSFORMATIONS.items())))
-        sys.stderr.write('\n--- Enter new filter name(s) [{}]: '.format(' '.join(self.filters)))
-        with self.console:
-            new_filters = sys.stdin.readline().lower().split()
-        if new_filters:
-            for f in new_filters:
-                if f not in TRANSFORMATIONS:
-                    sys.stderr.write('--- unknown filter: {}\n'.format(repr(f)))
-                    break
-            else:
-                self.filters = new_filters
-                self.update_transformations()
-        sys.stderr.write('--- filters: {}\n'.format(' '.join(self.filters)))
-
-    def change_encoding(self):
-        """change encoding on the serial port"""
-        sys.stderr.write('\n--- Enter new encoding name [{}]: '.format(self.input_encoding))
-        with self.console:
-            new_encoding = sys.stdin.readline().strip()
-        if new_encoding:
-            try:
-                codecs.lookup(new_encoding)
-            except LookupError:
-                sys.stderr.write('--- invalid encoding name: {}\n'.format(new_encoding))
-            else:
-                self.set_rx_encoding(new_encoding)
-                self.set_tx_encoding(new_encoding)
-        sys.stderr.write('--- serial input encoding: {}\n'.format(self.input_encoding))
-        sys.stderr.write('--- serial output encoding: {}\n'.format(self.output_encoding))
-
-    def change_baudrate(self):
-        """change the baudrate"""
-        sys.stderr.write('\n--- Baudrate: ')
-        sys.stderr.flush()
-        with self.console:
-            backup = self.serial.baudrate
-            try:
-                self.serial.baudrate = int(sys.stdin.readline().strip())
-            except ValueError as e:
-                sys.stderr.write('--- ERROR setting baudrate: {} ---\n'.format(e))
-                self.serial.baudrate = backup
-            else:
-                self.dump_port_settings()
-
-    def change_port(self):
-        """Have a conversation with the user to change the serial port"""
-        with self.console:
-            try:
-                port = ask_for_port()
-            except KeyboardInterrupt:
-                port = None
-        if port and port != self.serial.port:
-            # reader thread needs to be shut down
-            self._stop_reader()
-            # save settings
-            settings = self.serial.getSettingsDict()
-            try:
-                new_serial = serial.serial_for_url(port, do_not_open=True)
-                # restore settings and open
-                new_serial.applySettingsDict(settings)
-                new_serial.rts = self.serial.rts
-                new_serial.dtr = self.serial.dtr
-                new_serial.open()
-                new_serial.break_condition = self.serial.break_condition
-            except Exception as e:
-                sys.stderr.write('--- ERROR opening new port: {} ---\n'.format(e))
-                new_serial.close()
-            else:
-                self.serial.close()
-                self.serial = new_serial
-                sys.stderr.write('--- Port changed to: {} ---\n'.format(self.serial.port))
-            # and restart the reader thread
-            self._start_reader()
-
-    def suspend_port(self):
-        """\
-        open port temporarily, allow reconnect, exit and port change to get
-        out of the loop
-        """
-        # reader thread needs to be shut down
-        self._stop_reader()
-        self.serial.close()
-        sys.stderr.write('\n--- Port closed: {} ---\n'.format(self.serial.port))
-        do_change_port = False
-        while not self.serial.is_open:
-            sys.stderr.write('--- Quit: {exit} | p: port change | any other key to reconnect ---\n'.format(
-                exit=key_description(self.exit_character)))
-            k = self.console.getkey()
-            if k == self.exit_character:
-                self.stop()             # exit app
-                break
-            elif k in 'pP':
-                do_change_port = True
-                break
-            try:
-                self.serial.open()
-            except Exception as e:
-                sys.stderr.write('--- ERROR opening port: {} ---\n'.format(e))
-        if do_change_port:
-            self.change_port()
-        else:
-            # and restart the reader thread
-            self._start_reader()
-            sys.stderr.write('--- Port opened: {} ---\n'.format(self.serial.port))
-
-    def get_help_text(self):
-        """return the help text"""
-        # help text, starts with blank line!
-        return """
---- pySerial ({version}) - miniterm - help
----
---- {exit:8} Exit program
---- {menu:8} Menu escape key, followed by:
---- Menu keys:
----    {menu:7} Send the menu character itself to remote
----    {exit:7} Send the exit character itself to remote
----    {info:7} Show info
----    {upload:7} Upload file (prompt will be shown)
----    {repr:7} encoding
----    {filter:7} edit filters
---- Toggles:
----    {rts:7} RTS   {dtr:7} DTR   {brk:7} BREAK
----    {echo:7} echo  {eol:7} EOL
----
---- Port settings ({menu} followed by the following):
----    p          change port
----    7 8        set data bits
----    N E O S M  change parity (None, Even, Odd, Space, Mark)
----    1 2 3      set stop bits (1, 2, 1.5)
----    b          change baud rate
----    x X        disable/enable software flow control
----    r R        disable/enable hardware flow control
-""".format(version=getattr(serial, 'VERSION', 'unknown version'),
-           exit=key_description(self.exit_character),
-           menu=key_description(self.menu_character),
-           rts=key_description('\x12'),
-           dtr=key_description('\x04'),
-           brk=key_description('\x02'),
-           echo=key_description('\x05'),
-           info=key_description('\x09'),
-           upload=key_description('\x15'),
-           repr=key_description('\x01'),
-           filter=key_description('\x06'),
-           eol=key_description('\x0c'))
-
-
-# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-# default args can be used to override when calling main() from an other script
-# e.g to create a miniterm-my-device.py
-def main(default_port=None, default_baudrate=9600, default_rts=None, default_dtr=None):
-    """Command line tool, entry point"""
-
-    import argparse
-
-    parser = argparse.ArgumentParser(
-        description="Miniterm - A simple terminal program for the serial port.")
-
-    parser.add_argument(
-        "port",
-        nargs='?',
-        help="serial port name ('-' to show port list)",
-        default=default_port)
-
-    parser.add_argument(
-        "baudrate",
-        nargs='?',
-        type=int,
-        help="set baud rate, default: %(default)s",
-        default=default_baudrate)
-
-    group = parser.add_argument_group("port settings")
-
-    group.add_argument(
-        "--parity",
-        choices=['N', 'E', 'O', 'S', 'M'],
-        type=lambda c: c.upper(),
-        help="set parity, one of {N E O S M}, default: N",
-        default='N')
-
-    group.add_argument(
-        "--rtscts",
-        action="store_true",
-        help="enable RTS/CTS flow control (default off)",
-        default=False)
-
-    group.add_argument(
-        "--xonxoff",
-        action="store_true",
-        help="enable software flow control (default off)",
-        default=False)
-
-    group.add_argument(
-        "--rts",
-        type=int,
-        help="set initial RTS line state (possible values: 0, 1)",
-        default=default_rts)
-
-    group.add_argument(
-        "--dtr",
-        type=int,
-        help="set initial DTR line state (possible values: 0, 1)",
-        default=default_dtr)
-
-    group.add_argument(
-        "--ask",
-        action="store_true",
-        help="ask again for port when open fails",
-        default=False)
-
-    group = parser.add_argument_group("data handling")
-
-    group.add_argument(
-        "-e", "--echo",
-        action="store_true",
-        help="enable local echo (default off)",
-        default=False)
-
-    group.add_argument(
-        "--encoding",
-        dest="serial_port_encoding",
-        metavar="CODEC",
-        help="set the encoding for the serial port (e.g. hexlify, Latin1, UTF-8), default: %(default)s",
-        default='UTF-8')
-
-    group.add_argument(
-        "-f", "--filter",
-        action="append",
-        metavar="NAME",
-        help="add text transformation",
-        default=[])
-
-    group.add_argument(
-        "--eol",
-        choices=['CR', 'LF', 'CRLF'],
-        type=lambda c: c.upper(),
-        help="end of line mode",
-        default='CRLF')
-
-    group.add_argument(
-        "--raw",
-        action="store_true",
-        help="Do no apply any encodings/transformations",
-        default=False)
-
-    group = parser.add_argument_group("hotkeys")
-
-    group.add_argument(
-        "--exit-char",
-        type=int,
-        metavar='NUM',
-        help="Unicode of special character that is used to exit the application, default: %(default)s",
-        default=0x1d)  # GS/CTRL+]
-
-    group.add_argument(
-        "--menu-char",
-        type=int,
-        metavar='NUM',
-        help="Unicode code of special character that is used to control miniterm (menu), default: %(default)s",
-        default=0x14)  # Menu: CTRL+T
-
-    group = parser.add_argument_group("diagnostics")
-
-    group.add_argument(
-        "-q", "--quiet",
-        action="store_true",
-        help="suppress non-error messages",
-        default=False)
-
-    group.add_argument(
-        "--develop",
-        action="store_true",
-        help="show Python traceback on error",
-        default=False)
-
-    args = parser.parse_args()
-
-    if args.menu_char == args.exit_char:
-        parser.error('--exit-char can not be the same as --menu-char')
-
-    if args.filter:
-        if 'help' in args.filter:
-            sys.stderr.write('Available filters:\n')
-            sys.stderr.write('\n'.join(
-                '{:<10} = {.__doc__}'.format(k, v)
-                for k, v in sorted(TRANSFORMATIONS.items())))
-            sys.stderr.write('\n')
-            sys.exit(1)
-        filters = args.filter
-    else:
-        filters = ['default']
-
-    while True:
-        # no port given on command line -> ask user now
-        if args.port is None or args.port == '-':
-            try:
-                args.port = ask_for_port()
-            except KeyboardInterrupt:
-                sys.stderr.write('\n')
-                parser.error('user aborted and port is not given')
-            else:
-                if not args.port:
-                    parser.error('port is not given')
-        try:
-            serial_instance = serial.serial_for_url(
-                args.port,
-                args.baudrate,
-                parity=args.parity,
-                rtscts=args.rtscts,
-                xonxoff=args.xonxoff,
-                do_not_open=True)
-
-            if not hasattr(serial_instance, 'cancel_read'):
-                # enable timeout for alive flag polling if cancel_read is not available
-                serial_instance.timeout = 1
-
-            if args.dtr is not None:
-                if not args.quiet:
-                    sys.stderr.write('--- forcing DTR {}\n'.format('active' if args.dtr else 'inactive'))
-                serial_instance.dtr = args.dtr
-            if args.rts is not None:
-                if not args.quiet:
-                    sys.stderr.write('--- forcing RTS {}\n'.format('active' if args.rts else 'inactive'))
-                serial_instance.rts = args.rts
-
-            serial_instance.open()
-        except serial.SerialException as e:
-            sys.stderr.write('could not open port {}: {}\n'.format(repr(args.port), e))
-            if args.develop:
-                raise
-            if not args.ask:
-                sys.exit(1)
-            else:
-                args.port = '-'
-        else:
-            break
-
-    miniterm = Miniterm(
-        serial_instance,
-        echo=args.echo,
-        eol=args.eol.lower(),
-        filters=filters)
-    miniterm.exit_character = unichr(args.exit_char)
-    miniterm.menu_character = unichr(args.menu_char)
-    miniterm.raw = args.raw
-    miniterm.set_rx_encoding(args.serial_port_encoding)
-    miniterm.set_tx_encoding(args.serial_port_encoding)
-
-    if not args.quiet:
-        sys.stderr.write('--- Miniterm on {p.name}  {p.baudrate},{p.bytesize},{p.parity},{p.stopbits} ---\n'.format(
-            p=miniterm.serial))
-        sys.stderr.write('--- Quit: {} | Menu: {} | Help: {} followed by {} ---\n'.format(
-            key_description(miniterm.exit_character),
-            key_description(miniterm.menu_character),
-            key_description(miniterm.menu_character),
-            key_description('\x08')))
-
-    miniterm.start()
-    try:
-        miniterm.join(True)
-    except KeyboardInterrupt:
-        pass
-    if not args.quiet:
-        sys.stderr.write("\n--- exit ---\n")
-    miniterm.join()
-    miniterm.close()
-
-# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-if __name__ == '__main__':
-    main()

backend/venv/bin/pasteurize

@@ -1,12 +0,0 @@
-#!/root/projekti/TeraHz/backend/venv/bin/python3
-# EASY-INSTALL-ENTRY-SCRIPT: 'future==0.17.1','console_scripts','pasteurize'
-__requires__ = 'future==0.17.1'
-import re
-import sys
-from pkg_resources import load_entry_point
-
-if __name__ == '__main__':
-    sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
-    sys.exit(
-        load_entry_point('future==0.17.1', 'console_scripts', 'pasteurize')()
-    )

backend/venv/bin/pip

@@ -1,10 +0,0 @@
-#!/root/projekti/TeraHz/backend/venv/bin/python3
-# -*- coding: utf-8 -*-
-import re
-import sys
-
-from pip._internal import main
-
-if __name__ == '__main__':
-    sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
-    sys.exit(main())

backend/venv/bin/pip3

@@ -1,10 +0,0 @@
-#!/root/projekti/TeraHz/backend/venv/bin/python3
-# -*- coding: utf-8 -*-
-import re
-import sys
-
-from pip._internal import main
-
-if __name__ == '__main__':
-    sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
-    sys.exit(main())

backend/venv/bin/pip3.6

@@ -1,10 +0,0 @@
-#!/root/projekti/TeraHz/backend/venv/bin/python3
-# -*- coding: utf-8 -*-
-import re
-import sys
-
-from pip._internal import main
-
-if __name__ == '__main__':
-    sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
-    sys.exit(main())

backend/venv/bin/python

@@ -1 +0,0 @@
-python3

backend/venv/bin/python3

@@ -1 +0,0 @@
-/usr/bin/python3

backend/venv/lib/python3.6/site-packages/Click-7.0.dist-info/INSTALLER

@@ -1 +0,0 @@
-pip

backend/venv/lib/python3.6/site-packages/Click-7.0.dist-info/LICENSE.txt

@@ -1,39 +0,0 @@
-Copyright © 2014 by the Pallets team.
-
-Some rights reserved.
-
-Redistribution and use in source and binary forms of the software as
-well as documentation, with or without modification, are permitted
-provided that the following conditions are met:
-
--   Redistributions of source code must retain the above copyright
-    notice, this list of conditions and the following disclaimer.
-
--   Redistributions in binary form must reproduce the above copyright
-    notice, this list of conditions and the following disclaimer in the
-    documentation and/or other materials provided with the distribution.
-
--   Neither the name of the copyright holder nor the names of its
-    contributors may be used to endorse or promote products derived from
-    this software without specific prior written permission.
-
-THIS SOFTWARE AND DOCUMENTATION IS PROVIDED BY THE COPYRIGHT HOLDERS AND
-CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
-BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
-FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
-COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
-INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
-NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
-USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
-THIS SOFTWARE AND DOCUMENTATION, EVEN IF ADVISED OF THE POSSIBILITY OF
-SUCH DAMAGE.
-
-----
-
-Click uses parts of optparse written by Gregory P. Ward and maintained
-by the Python Software Foundation. This is limited to code in parser.py.
-
-Copyright © 2001-2006 Gregory P. Ward. All rights reserved.
-Copyright © 2002-2006 Python Software Foundation. All rights reserved.

backend/venv/lib/python3.6/site-packages/Click-7.0.dist-info/METADATA

@@ -1,121 +0,0 @@
-Metadata-Version: 2.1
-Name: Click
-Version: 7.0
-Summary: Composable command line interface toolkit
-Home-page: https://palletsprojects.com/p/click/
-Author: Armin Ronacher
-Author-email: armin.ronacher@active-4.com
-Maintainer: Pallets Team
-Maintainer-email: contact@palletsprojects.com
-License: BSD
-Project-URL: Documentation, https://click.palletsprojects.com/
-Project-URL: Code, https://github.com/pallets/click
-Project-URL: Issue tracker, https://github.com/pallets/click/issues
-Platform: UNKNOWN
-Classifier: Development Status :: 5 - Production/Stable
-Classifier: Intended Audience :: Developers
-Classifier: License :: OSI Approved :: BSD License
-Classifier: Operating System :: OS Independent
-Classifier: Programming Language :: Python
-Classifier: Programming Language :: Python :: 2
-Classifier: Programming Language :: Python :: 2.7
-Classifier: Programming Language :: Python :: 3
-Classifier: Programming Language :: Python :: 3.4
-Classifier: Programming Language :: Python :: 3.5
-Classifier: Programming Language :: Python :: 3.6
-Classifier: Programming Language :: Python :: 3.7
-Requires-Python: >=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*
-
-\$ click\_
-==========
-
-Click is a Python package for creating beautiful command line interfaces
-in a composable way with as little code as necessary. It's the "Command
-Line Interface Creation Kit". It's highly configurable but comes with
-sensible defaults out of the box.
-
-It aims to make the process of writing command line tools quick and fun
-while also preventing any frustration caused by the inability to
-implement an intended CLI API.
-
-Click in three points:
-
--   Arbitrary nesting of commands
--   Automatic help page generation
--   Supports lazy loading of subcommands at runtime
-
-
-Installing
-----------
-
-Install and update using `pip`_:
-
-.. code-block:: text
-
-    $ pip install click
-
-Click supports Python 3.4 and newer, Python 2.7, and PyPy.
-
-.. _pip: https://pip.pypa.io/en/stable/quickstart/
-
-
-A Simple Example
-----------------
-
-What does it look like? Here is an example of a simple Click program:
-
-.. code-block:: python
-
-    import click
-
-    @click.command()
-    @click.option("--count", default=1, help="Number of greetings.")
-    @click.option("--name", prompt="Your name",
-                  help="The person to greet.")
-    def hello(count, name):
-        """Simple program that greets NAME for a total of COUNT times."""
-        for _ in range(count):
-            click.echo("Hello, %s!" % name)
-
-    if __name__ == '__main__':
-        hello()
-
-And what it looks like when run:
-
-.. code-block:: text
-
-    $ python hello.py --count=3
-    Your name: Click
-    Hello, Click!
-    Hello, Click!
-    Hello, Click!
-
-
-Donate
-------
-
-The Pallets organization develops and supports Click and other popular
-packages. In order to grow the community of contributors and users, and
-allow the maintainers to devote more time to the projects, `please
-donate today`_.
-
-.. _please donate today: https://palletsprojects.com/donate
-
-
-Links
------
-
-*   Website: https://palletsprojects.com/p/click/
-*   Documentation: https://click.palletsprojects.com/
-*   License: `BSD <https://github.com/pallets/click/blob/master/LICENSE.rst>`_
-*   Releases: https://pypi.org/project/click/
-*   Code: https://github.com/pallets/click
-*   Issue tracker: https://github.com/pallets/click/issues
-*   Test status:
-
-    *   Linux, Mac: https://travis-ci.org/pallets/click
-    *   Windows: https://ci.appveyor.com/project/pallets/click
-
-*   Test coverage: https://codecov.io/gh/pallets/click
-
-

backend/venv/lib/python3.6/site-packages/Click-7.0.dist-info/RECORD

@@ -1,40 +0,0 @@
-Click-7.0.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4
-Click-7.0.dist-info/LICENSE.txt,sha256=4hIxn676T0Wcisk3_chVcECjyrivKTZsoqSNI5AlIlw,1876
-Click-7.0.dist-info/METADATA,sha256=-r8jeke3Zer4diRvT1MjFZuiJ6yTT_qFP39svLqdaLI,3516
-Click-7.0.dist-info/RECORD,,
-Click-7.0.dist-info/WHEEL,sha256=gduuPyBvFJQSQ0zdyxF7k0zynDXbIbvg5ZBHoXum5uk,110
-Click-7.0.dist-info/top_level.txt,sha256=J1ZQogalYS4pphY_lPECoNMfw0HzTSrZglC4Yfwo4xA,6
-click/__init__.py,sha256=HjGThQ7tef9kkwCV371TBnrf0SAi6fKfU_jtEnbYTvQ,2789
-click/__pycache__/__init__.cpython-36.pyc,,
-click/__pycache__/_bashcomplete.cpython-36.pyc,,
-click/__pycache__/_compat.cpython-36.pyc,,
-click/__pycache__/_termui_impl.cpython-36.pyc,,
-click/__pycache__/_textwrap.cpython-36.pyc,,
-click/__pycache__/_unicodefun.cpython-36.pyc,,
-click/__pycache__/_winconsole.cpython-36.pyc,,
-click/__pycache__/core.cpython-36.pyc,,
-click/__pycache__/decorators.cpython-36.pyc,,
-click/__pycache__/exceptions.cpython-36.pyc,,
-click/__pycache__/formatting.cpython-36.pyc,,
-click/__pycache__/globals.cpython-36.pyc,,
-click/__pycache__/parser.cpython-36.pyc,,
-click/__pycache__/termui.cpython-36.pyc,,
-click/__pycache__/testing.cpython-36.pyc,,
-click/__pycache__/types.cpython-36.pyc,,
-click/__pycache__/utils.cpython-36.pyc,,
-click/_bashcomplete.py,sha256=iaNUmtxag0YPfxba3TDYCNietiTMQIrvhRLj-H8okFU,11014
-click/_compat.py,sha256=vYmvoj4opPxo-c-2GMQQjYT_r_QkOKybkfGoeVrt0dA,23399
-click/_termui_impl.py,sha256=xHmLtOJhKUCVD6168yucJ9fknUJPAMs0eUTPgVUO-GQ,19611
-click/_textwrap.py,sha256=gwS4m7bdQiJnzaDG8osFcRb-5vn4t4l2qSCy-5csCEc,1198
-click/_unicodefun.py,sha256=QHy2_5jYlX-36O-JVrTHNnHOqg8tquUR0HmQFev7Ics,4364
-click/_winconsole.py,sha256=PPWVak8Iikm_gAPsxMrzwsVFCvHgaW3jPaDWZ1JBl3U,8965
-click/core.py,sha256=q8FLcDZsagBGSRe5Y9Hi_FGvAeZvusNfoO5EkhkSQ8Y,75305
-click/decorators.py,sha256=idKt6duLUUfAFftrHoREi8MJSd39XW36pUVHthdglwk,11226
-click/exceptions.py,sha256=CNpAjBAE7qjaV4WChxQeak95e5yUOau8AsvT-8m6wss,7663
-click/formatting.py,sha256=eh-cypTUAhpI3HD-K4ZpR3vCiURIO62xXvKkR3tNUTM,8889
-click/globals.py,sha256=oQkou3ZQ5DgrbVM6BwIBirwiqozbjfirzsLGAlLRRdg,1514
-click/parser.py,sha256=m-nGZz4VwprM42_qtFlWFGo7yRJQxkBlRcZodoH593Y,15510
-click/termui.py,sha256=o_ZXB2jyvL2Rce7P_bFGq452iyBq9ykJyRApIPMCZO0,23207
-click/testing.py,sha256=aYGqY_iWLu2p4k7lkuJ6t3fqpf6aPGqTsyLzNY_ngKg,13062
-click/types.py,sha256=2Q929p-aBP_ZYuMFJqJR-Ipucofv3fmDc5JzBDPmzJU,23287
-click/utils.py,sha256=6-D0WkAxvv9FkgHXSHwDIv0l9Gdx9Mm6Z5vuKNLIfZI,15763

backend/venv/lib/python3.6/site-packages/Click-7.0.dist-info/WHEEL

@@ -1,6 +0,0 @@
-Wheel-Version: 1.0
-Generator: bdist_wheel (0.31.1)
-Root-Is-Purelib: true
-Tag: py2-none-any
-Tag: py3-none-any
-

backend/venv/lib/python3.6/site-packages/Click-7.0.dist-info/top_level.txt

@@ -1 +0,0 @@
-click

backend/venv/lib/python3.6/site-packages/Flask-1.0.2.dist-info/INSTALLER

@@ -1 +0,0 @@
-pip

backend/venv/lib/python3.6/site-packages/Flask-1.0.2.dist-info/LICENSE.txt

@@ -1,31 +0,0 @@
-Copyright © 2010 by the Pallets team.
-
-Some rights reserved.
-
-Redistribution and use in source and binary forms of the software as
-well as documentation, with or without modification, are permitted
-provided that the following conditions are met:
-
-* Redistributions of source code must retain the above copyright notice,
-  this list of conditions and the following disclaimer.
-
-* Redistributions in binary form must reproduce the above copyright
-  notice, this list of conditions and the following disclaimer in the
-  documentation and/or other materials provided with the distribution.
-
-* Neither the name of the copyright holder nor the names of its
-  contributors may be used to endorse or promote products derived from
-  this software without specific prior written permission.
-
-THIS SOFTWARE AND DOCUMENTATION IS PROVIDED BY THE COPYRIGHT HOLDERS AND
-CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
-BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
-FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
-COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
-INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
-NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
-USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
-THIS SOFTWARE AND DOCUMENTATION, EVEN IF ADVISED OF THE POSSIBILITY OF
-SUCH DAMAGE.

backend/venv/lib/python3.6/site-packages/Flask-1.0.2.dist-info/METADATA

@@ -1,130 +0,0 @@
-Metadata-Version: 2.1
-Name: Flask
-Version: 1.0.2
-Summary: A simple framework for building complex web applications.
-Home-page: https://www.palletsprojects.com/p/flask/
-Author: Armin Ronacher
-Author-email: armin.ronacher@active-4.com
-Maintainer: Pallets team
-Maintainer-email: contact@palletsprojects.com
-License: BSD
-Project-URL: Documentation, http://flask.pocoo.org/docs/
-Project-URL: Code, https://github.com/pallets/flask
-Project-URL: Issue tracker, https://github.com/pallets/flask/issues
-Platform: any
-Classifier: Development Status :: 5 - Production/Stable
-Classifier: Environment :: Web Environment
-Classifier: Framework :: Flask
-Classifier: Intended Audience :: Developers
-Classifier: License :: OSI Approved :: BSD License
-Classifier: Operating System :: OS Independent
-Classifier: Programming Language :: Python
-Classifier: Programming Language :: Python :: 2
-Classifier: Programming Language :: Python :: 2.7
-Classifier: Programming Language :: Python :: 3
-Classifier: Programming Language :: Python :: 3.4
-Classifier: Programming Language :: Python :: 3.5
-Classifier: Programming Language :: Python :: 3.6
-Classifier: Topic :: Internet :: WWW/HTTP :: Dynamic Content
-Classifier: Topic :: Internet :: WWW/HTTP :: WSGI :: Application
-Classifier: Topic :: Software Development :: Libraries :: Application Frameworks
-Classifier: Topic :: Software Development :: Libraries :: Python Modules
-Provides-Extra: dev
-Provides-Extra: docs
-Provides-Extra: dotenv
-Requires-Dist: Werkzeug (>=0.14)
-Requires-Dist: Jinja2 (>=2.10)
-Requires-Dist: itsdangerous (>=0.24)
-Requires-Dist: click (>=5.1)
-Provides-Extra: dev
-Requires-Dist: pytest (>=3); extra == 'dev'
-Requires-Dist: coverage; extra == 'dev'
-Requires-Dist: tox; extra == 'dev'
-Requires-Dist: sphinx; extra == 'dev'
-Requires-Dist: pallets-sphinx-themes; extra == 'dev'
-Requires-Dist: sphinxcontrib-log-cabinet; extra == 'dev'
-Provides-Extra: docs
-Requires-Dist: sphinx; extra == 'docs'
-Requires-Dist: pallets-sphinx-themes; extra == 'docs'
-Requires-Dist: sphinxcontrib-log-cabinet; extra == 'docs'
-Provides-Extra: dotenv
-Requires-Dist: python-dotenv; extra == 'dotenv'
-
-Flask
-=====
-
-Flask is a lightweight `WSGI`_ web application framework. It is designed
-to make getting started quick and easy, with the ability to scale up to
-complex applications. It began as a simple wrapper around `Werkzeug`_
-and `Jinja`_ and has become one of the most popular Python web
-application frameworks.
-
-Flask offers suggestions, but doesn't enforce any dependencies or
-project layout. It is up to the developer to choose the tools and
-libraries they want to use. There are many extensions provided by the
-community that make adding new functionality easy.
-
-
-Installing
-----------
-
-Install and update using `pip`_:
-
-.. code-block:: text
-
-    pip install -U Flask
-
-
-A Simple Example
-----------------
-
-.. code-block:: python
-
-    from flask import Flask
-
-    app = Flask(__name__)
-
-    @app.route('/')
-    def hello():
-        return 'Hello, World!'
-
-.. code-block:: text
-
-    $ FLASK_APP=hello.py flask run
-     * Serving Flask app "hello"
-     * Running on http://127.0.0.1:5000/ (Press CTRL+C to quit)
-
-
-Donate
-------
-
-The Pallets organization develops and supports Flask and the libraries
-it uses. In order to grow the community of contributors and users, and
-allow the maintainers to devote more time to the projects, `please
-donate today`_.
-
-.. _please donate today: https://psfmember.org/civicrm/contribute/transact?reset=1&id=20
-
-
-Links
------
-
-* Website: https://www.palletsprojects.com/p/flask/
-* Documentation: http://flask.pocoo.org/docs/
-* License: `BSD <https://github.com/pallets/flask/blob/master/LICENSE>`_
-* Releases: https://pypi.org/project/Flask/
-* Code: https://github.com/pallets/flask
-* Issue tracker: https://github.com/pallets/flask/issues
-* Test status:
-
-  * Linux, Mac: https://travis-ci.org/pallets/flask
-  * Windows: https://ci.appveyor.com/project/pallets/flask
-
-* Test coverage: https://codecov.io/gh/pallets/flask
-
-.. _WSGI: https://wsgi.readthedocs.io
-.. _Werkzeug: https://www.palletsprojects.com/p/werkzeug/
-.. _Jinja: https://www.palletsprojects.com/p/jinja/
-.. _pip: https://pip.pypa.io/en/stable/quickstart/
-
-

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backend/venv/lib/python3.6/site-packages/Flask-1.0.2.dist-info/entry_points.txt

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-[console_scripts]
-flask = flask.cli:main
-

backend/venv/lib/python3.6/site-packages/Flask-1.0.2.dist-info/top_level.txt

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backend/venv/lib/python3.6/site-packages/Jinja2-2.10.dist-info/DESCRIPTION.rst

@@ -1,37 +0,0 @@
-
-Jinja2
-~~~~~~
-
-Jinja2 is a template engine written in pure Python.  It provides a
-`Django`_ inspired non-XML syntax but supports inline expressions and
-an optional `sandboxed`_ environment.
-
-Nutshell
---------
-
-Here a small example of a Jinja template::
-
-    {% extends 'base.html' %}
-    {% block title %}Memberlist{% endblock %}
-    {% block content %}
-      <ul>
-      {% for user in users %}
-        <li><a href="{{ user.url }}">{{ user.username }}</a></li>
-      {% endfor %}
-      </ul>
-    {% endblock %}
-
-Philosophy
-----------
-
-Application logic is for the controller but don't try to make the life
-for the template designer too hard by giving him too few functionality.
-
-For more informations visit the new `Jinja2 webpage`_ and `documentation`_.
-
-.. _sandboxed: https://en.wikipedia.org/wiki/Sandbox_(computer_security)
-.. _Django: https://www.djangoproject.com/
-.. _Jinja2 webpage: http://jinja.pocoo.org/
-.. _documentation: http://jinja.pocoo.org/2/documentation/
-
-

backend/venv/lib/python3.6/site-packages/Jinja2-2.10.dist-info/INSTALLER

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-pip

backend/venv/lib/python3.6/site-packages/Jinja2-2.10.dist-info/LICENSE.txt

@@ -1,31 +0,0 @@
-Copyright (c) 2009 by the Jinja Team, see AUTHORS for more details.
-
-Some rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are
-met:
-
-    * Redistributions of source code must retain the above copyright
-      notice, this list of conditions and the following disclaimer.
-
-    * Redistributions in binary form must reproduce the above
-      copyright notice, this list of conditions and the following
-      disclaimer in the documentation and/or other materials provided
-      with the distribution.
-
-    * The names of the contributors may not be used to endorse or
-      promote products derived from this software without specific
-      prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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-Name: Jinja2
-Version: 2.10
-Summary: A small but fast and easy to use stand-alone template engine written in pure python.
-Home-page: http://jinja.pocoo.org/
-Author: Armin Ronacher
-Author-email: armin.ronacher@active-4.com
-License: BSD
-Description-Content-Type: UNKNOWN
-Platform: UNKNOWN
-Classifier: Development Status :: 5 - Production/Stable
-Classifier: Environment :: Web Environment
-Classifier: Intended Audience :: Developers
-Classifier: License :: OSI Approved :: BSD License
-Classifier: Operating System :: OS Independent
-Classifier: Programming Language :: Python
-Classifier: Programming Language :: Python :: 2
-Classifier: Programming Language :: Python :: 2.6
-Classifier: Programming Language :: Python :: 2.7
-Classifier: Programming Language :: Python :: 3
-Classifier: Programming Language :: Python :: 3.3
-Classifier: Programming Language :: Python :: 3.4
-Classifier: Programming Language :: Python :: 3.5
-Classifier: Programming Language :: Python :: 3.6
-Classifier: Topic :: Internet :: WWW/HTTP :: Dynamic Content
-Classifier: Topic :: Software Development :: Libraries :: Python Modules
-Classifier: Topic :: Text Processing :: Markup :: HTML
-Requires-Dist: MarkupSafe (>=0.23)
-Provides-Extra: i18n
-Requires-Dist: Babel (>=0.8); extra == 'i18n'
-
-
-Jinja2
-~~~~~~
-
-Jinja2 is a template engine written in pure Python.  It provides a
-`Django`_ inspired non-XML syntax but supports inline expressions and
-an optional `sandboxed`_ environment.
-
-Nutshell
---------
-
-Here a small example of a Jinja template::
-
-    {% extends 'base.html' %}
-    {% block title %}Memberlist{% endblock %}
-    {% block content %}
-      <ul>
-      {% for user in users %}
-        <li><a href="{{ user.url }}">{{ user.username }}</a></li>
-      {% endfor %}
-      </ul>
-    {% endblock %}
-
-Philosophy
-----------
-
-Application logic is for the controller but don't try to make the life
-for the template designer too hard by giving him too few functionality.
-
-For more informations visit the new `Jinja2 webpage`_ and `documentation`_.
-
-.. _sandboxed: https://en.wikipedia.org/wiki/Sandbox_(computer_security)
-.. _Django: https://www.djangoproject.com/
-.. _Jinja2 webpage: http://jinja.pocoo.org/
-.. _documentation: http://jinja.pocoo.org/2/documentation/
-
-

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-    [babel.extractors]
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-    

backend/venv/lib/python3.6/site-packages/Jinja2-2.10.dist-info/metadata.json

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backend/venv/lib/python3.6/site-packages/MarkupSafe-1.1.0.dist-info/INSTALLER

@@ -1 +0,0 @@
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backend/venv/lib/python3.6/site-packages/MarkupSafe-1.1.0.dist-info/LICENSE.txt

@@ -1,33 +0,0 @@
-`BSD 3-Clause <https://opensource.org/licenses/BSD-3-Clause>`_
-
-Copyright © 2010 by the Pallets team.
-
-Some rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are
-met:
-
--   Redistributions of source code must retain the above copyright
-    notice, this list of conditions and the following disclaimer.
-
--   Redistributions in binary form must reproduce the above copyright
-    notice, this list of conditions and the following disclaimer in the
-    documentation and/or other materials provided with the distribution.
-
--   Neither the name of the copyright holder nor the names of its
-    contributors may be used to endorse or promote products derived from
-    this software without specific prior written permission.
-
-THIS SOFTWARE AND DOCUMENTATION IS PROVIDED BY THE COPYRIGHT HOLDERS AND
-CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
-BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
-FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
-COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
-INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
-NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
-USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
-THIS SOFTWARE AND DOCUMENTATION, EVEN IF ADVISED OF THE POSSIBILITY OF
-SUCH DAMAGE.

backend/venv/lib/python3.6/site-packages/MarkupSafe-1.1.0.dist-info/METADATA

@@ -1,103 +0,0 @@
-Metadata-Version: 2.1
-Name: MarkupSafe
-Version: 1.1.0
-Summary: Safely add untrusted strings to HTML/XML markup.
-Home-page: https://www.palletsprojects.com/p/markupsafe/
-Author: Armin Ronacher
-Author-email: armin.ronacher@active-4.com
-Maintainer: Pallets Team
-Maintainer-email: contact@palletsprojects.com
-License: BSD
-Project-URL: Documentation, https://markupsafe.palletsprojects.com/
-Project-URL: Code, https://github.com/pallets/markupsafe
-Project-URL: Issue tracker, https://github.com/pallets/markupsafe/issues
-Platform: UNKNOWN
-Classifier: Development Status :: 5 - Production/Stable
-Classifier: Environment :: Web Environment
-Classifier: Intended Audience :: Developers
-Classifier: License :: OSI Approved :: BSD License
-Classifier: Operating System :: OS Independent
-Classifier: Programming Language :: Python
-Classifier: Programming Language :: Python :: 2
-Classifier: Programming Language :: Python :: 2.7
-Classifier: Programming Language :: Python :: 3
-Classifier: Programming Language :: Python :: 3.4
-Classifier: Programming Language :: Python :: 3.5
-Classifier: Programming Language :: Python :: 3.6
-Classifier: Programming Language :: Python :: 3.7
-Classifier: Topic :: Internet :: WWW/HTTP :: Dynamic Content
-Classifier: Topic :: Software Development :: Libraries :: Python Modules
-Classifier: Topic :: Text Processing :: Markup :: HTML
-Requires-Python: >=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*
-
-MarkupSafe
-==========
-
-MarkupSafe implements a text object that escapes characters so it is
-safe to use in HTML and XML. Characters that have special meanings are
-replaced so that they display as the actual characters. This mitigates
-injection attacks, meaning untrusted user input can safely be displayed
-on a page.
-
-
-Installing
-----------
-
-Install and update using `pip`_:
-
-.. code-block:: text
-
-    pip install -U MarkupSafe
-
-.. _pip: https://pip.pypa.io/en/stable/quickstart/
-
-
-Examples
---------
-
-.. code-block:: pycon
-
-    >>> from markupsafe import Markup, escape
-    >>> # escape replaces special characters and wraps in Markup
-    >>> escape('<script>alert(document.cookie);</script>')
-    Markup(u'&lt;script&gt;alert(document.cookie);&lt;/script&gt;')
-    >>> # wrap in Markup to mark text "safe" and prevent escaping
-    >>> Markup('<strong>Hello</strong>')
-    Markup('<strong>hello</strong>')
-    >>> escape(Markup('<strong>Hello</strong>'))
-    Markup('<strong>hello</strong>')
-    >>> # Markup is a text subclass (str on Python 3, unicode on Python 2)
-    >>> # methods and operators escape their arguments
-    >>> template = Markup("Hello <em>%s</em>")
-    >>> template % '"World"'
-    Markup('Hello <em>&#34;World&#34;</em>')
-
-
-Donate
-------
-
-The Pallets organization develops and supports MarkupSafe and other
-libraries that use it. In order to grow the community of contributors
-and users, and allow the maintainers to devote more time to the
-projects, `please donate today`_.
-
-.. _please donate today: https://psfmember.org/civicrm/contribute/transact?reset=1&id=20
-
-
-Links
------
-
-*   Website: https://www.palletsprojects.com/p/markupsafe/
-*   Documentation: https://markupsafe.palletsprojects.com/
-*   License: `BSD <https://github.com/pallets/markupsafe/blob/master/LICENSE.rst>`_
-*   Releases: https://pypi.org/project/MarkupSafe/
-*   Code: https://github.com/pallets/markupsafe
-*   Issue tracker: https://github.com/pallets/markupsafe/issues
-*   Test status:
-
-    *   Linux, Mac: https://travis-ci.org/pallets/markupsafe
-    *   Windows: https://ci.appveyor.com/project/pallets/markupsafe
-
-*   Test coverage: https://codecov.io/gh/pallets/markupsafe
-
-

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backend/venv/lib/python3.6/site-packages/MarkupSafe-1.1.0.dist-info/top_level.txt

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backend/venv/lib/python3.6/site-packages/PyYAML-3.13.egg-info/PKG-INFO

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-Metadata-Version: 1.1
-Name: PyYAML
-Version: 3.13
-Summary: YAML parser and emitter for Python
-Home-page: http://pyyaml.org/wiki/PyYAML
-Author: Kirill Simonov
-Author-email: xi@resolvent.net
-License: MIT
-Download-URL: http://pyyaml.org/download/pyyaml/PyYAML-3.13.tar.gz
-Description: YAML is a data serialization format designed for human readability
-        and interaction with scripting languages.  PyYAML is a YAML parser
-        and emitter for Python.
-        
-        PyYAML features a complete YAML 1.1 parser, Unicode support, pickle
-        support, capable extension API, and sensible error messages.  PyYAML
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-        PyYAML is applicable for a broad range of tasks from complex
-        configuration files to object serialization and persistance.
-Platform: Any
-Classifier: Development Status :: 5 - Production/Stable
-Classifier: Intended Audience :: Developers
-Classifier: License :: OSI Approved :: MIT License
-Classifier: Operating System :: OS Independent
-Classifier: Programming Language :: Python
-Classifier: Programming Language :: Python :: 2
-Classifier: Programming Language :: Python :: 2.7
-Classifier: Programming Language :: Python :: 3
-Classifier: Programming Language :: Python :: 3.4
-Classifier: Programming Language :: Python :: 3.5
-Classifier: Topic :: Software Development :: Libraries :: Python Modules
-Classifier: Topic :: Text Processing :: Markup

backend/venv/lib/python3.6/site-packages/PyYAML-3.13.egg-info/SOURCES.txt

@@ -1,28 +0,0 @@
-README
-setup.cfg
-setup.py
-ext/_yaml.c
-ext/_yaml.h
-ext/_yaml.pxd
-ext/_yaml.pyx
-lib3/PyYAML.egg-info/PKG-INFO
-lib3/PyYAML.egg-info/SOURCES.txt
-lib3/PyYAML.egg-info/dependency_links.txt
-lib3/PyYAML.egg-info/top_level.txt
-lib3/yaml/__init__.py
-lib3/yaml/composer.py
-lib3/yaml/constructor.py
-lib3/yaml/cyaml.py
-lib3/yaml/dumper.py
-lib3/yaml/emitter.py
-lib3/yaml/error.py
-lib3/yaml/events.py
-lib3/yaml/loader.py
-lib3/yaml/nodes.py
-lib3/yaml/parser.py
-lib3/yaml/reader.py
-lib3/yaml/representer.py
-lib3/yaml/resolver.py
-lib3/yaml/scanner.py
-lib3/yaml/serializer.py
-lib3/yaml/tokens.py

backend/venv/lib/python3.6/site-packages/PyYAML-3.13.egg-info/dependency_links.txt

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backend/venv/lib/python3.6/site-packages/PyYAML-3.13.egg-info/installed-files.txt

@@ -1,38 +0,0 @@
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-../yaml/__pycache__/__init__.cpython-36.pyc
-../yaml/__pycache__/composer.cpython-36.pyc
-../yaml/__pycache__/constructor.cpython-36.pyc
-../yaml/__pycache__/cyaml.cpython-36.pyc
-../yaml/__pycache__/dumper.cpython-36.pyc
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-../yaml/__pycache__/parser.cpython-36.pyc
-../yaml/__pycache__/reader.cpython-36.pyc
-../yaml/__pycache__/representer.cpython-36.pyc
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-../yaml/composer.py
-../yaml/constructor.py
-../yaml/cyaml.py
-../yaml/dumper.py
-../yaml/emitter.py
-../yaml/error.py
-../yaml/events.py
-../yaml/loader.py
-../yaml/nodes.py
-../yaml/parser.py
-../yaml/reader.py
-../yaml/representer.py
-../yaml/resolver.py
-../yaml/scanner.py
-../yaml/serializer.py
-../yaml/tokens.py
-PKG-INFO
-SOURCES.txt
-dependency_links.txt
-top_level.txt

backend/venv/lib/python3.6/site-packages/PyYAML-3.13.egg-info/top_level.txt

@@ -1,2 +0,0 @@
-_yaml
-yaml

backend/venv/lib/python3.6/site-packages/Werkzeug-0.14.1.dist-info/DESCRIPTION.rst

@@ -1,80 +0,0 @@
-Werkzeug
-========
-
-Werkzeug is a comprehensive `WSGI`_ web application library. It began as
-a simple collection of various utilities for WSGI applications and has
-become one of the most advanced WSGI utility libraries.
-
-It includes:
-
-* An interactive debugger that allows inspecting stack traces and source
-  code in the browser with an interactive interpreter for any frame in
-  the stack.
-* A full-featured request object with objects to interact with headers,
-  query args, form data, files, and cookies.
-* A response object that can wrap other WSGI applications and handle
-  streaming data.
-* A routing system for matching URLs to endpoints and generating URLs
-  for endpoints, with an extensible system for capturing variables from
-  URLs.
-* HTTP utilities to handle entity tags, cache control, dates, user
-  agents, cookies, files, and more.
-* A threaded WSGI server for use while developing applications locally.
-* A test client for simulating HTTP requests during testing without
-  requiring running a server.
-
-Werkzeug is Unicode aware and doesn't enforce any dependencies. It is up
-to the developer to choose a template engine, database adapter, and even
-how to handle requests. It can be used to build all sorts of end user
-applications such as blogs, wikis, or bulletin boards.
-
-`Flask`_ wraps Werkzeug, using it to handle the details of WSGI while
-providing more structure and patterns for defining powerful
-applications.
-
-
-Installing
-----------
-
-Install and update using `pip`_:
-
-.. code-block:: text
-
-    pip install -U Werkzeug
-
-
-A Simple Example
-----------------
-
-.. code-block:: python
-
-    from werkzeug.wrappers import Request, Response
-
-    @Request.application
-    def application(request):
-        return Response('Hello, World!')
-
-    if __name__ == '__main__':
-        from werkzeug.serving import run_simple
-        run_simple('localhost', 4000, application)
-
-
-Links
------
-
-* Website: https://www.palletsprojects.com/p/werkzeug/
-* Releases: https://pypi.org/project/Werkzeug/
-* Code: https://github.com/pallets/werkzeug
-* Issue tracker: https://github.com/pallets/werkzeug/issues
-* Test status:
-
-  * Linux, Mac: https://travis-ci.org/pallets/werkzeug
-  * Windows: https://ci.appveyor.com/project/davidism/werkzeug
-
-* Test coverage: https://codecov.io/gh/pallets/werkzeug
-
-.. _WSGI: https://wsgi.readthedocs.io/en/latest/
-.. _Flask: https://www.palletsprojects.com/p/flask/
-.. _pip: https://pip.pypa.io/en/stable/quickstart/
-
-

backend/venv/lib/python3.6/site-packages/Werkzeug-0.14.1.dist-info/INSTALLER

@@ -1 +0,0 @@
-pip

backend/venv/lib/python3.6/site-packages/Werkzeug-0.14.1.dist-info/LICENSE.txt

@@ -1,31 +0,0 @@
-Copyright © 2007 by the Pallets team.
-
-Some rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are
-met:
-
-* Redistributions of source code must retain the above copyright notice,
-  this list of conditions and the following disclaimer.
-
-* Redistributions in binary form must reproduce the above copyright
-  notice, this list of conditions and the following disclaimer in the
-  documentation and/or other materials provided with the distribution.
-
-* Neither the name of the copyright holder nor the names of its
-  contributors may be used to endorse or promote products derived from
-  this software without specific prior written permission.
-
-THIS SOFTWARE AND DOCUMENTATION IS PROVIDED BY THE COPYRIGHT HOLDERS AND
-CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
-BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
-FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
-COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
-INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
-NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
-USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
-THIS SOFTWARE AND DOCUMENTATION, EVEN IF ADVISED OF THE POSSIBILITY OF
-SUCH DAMAGE.

backend/venv/lib/python3.6/site-packages/Werkzeug-0.14.1.dist-info/METADATA

@@ -1,116 +0,0 @@
-Metadata-Version: 2.0
-Name: Werkzeug
-Version: 0.14.1
-Summary: The comprehensive WSGI web application library.
-Home-page: https://www.palletsprojects.org/p/werkzeug/
-Author: Armin Ronacher
-Author-email: armin.ronacher@active-4.com
-License: BSD
-Description-Content-Type: UNKNOWN
-Platform: any
-Classifier: Development Status :: 5 - Production/Stable
-Classifier: Environment :: Web Environment
-Classifier: Intended Audience :: Developers
-Classifier: License :: OSI Approved :: BSD License
-Classifier: Operating System :: OS Independent
-Classifier: Programming Language :: Python
-Classifier: Programming Language :: Python :: 2
-Classifier: Programming Language :: Python :: 2.6
-Classifier: Programming Language :: Python :: 2.7
-Classifier: Programming Language :: Python :: 3
-Classifier: Programming Language :: Python :: 3.3
-Classifier: Programming Language :: Python :: 3.4
-Classifier: Programming Language :: Python :: 3.5
-Classifier: Programming Language :: Python :: 3.6
-Classifier: Topic :: Internet :: WWW/HTTP :: Dynamic Content
-Classifier: Topic :: Software Development :: Libraries :: Python Modules
-Provides-Extra: dev
-Requires-Dist: coverage; extra == 'dev'
-Requires-Dist: pytest; extra == 'dev'
-Requires-Dist: sphinx; extra == 'dev'
-Requires-Dist: tox; extra == 'dev'
-Provides-Extra: termcolor
-Requires-Dist: termcolor; extra == 'termcolor'
-Provides-Extra: watchdog
-Requires-Dist: watchdog; extra == 'watchdog'
-
-Werkzeug
-========
-
-Werkzeug is a comprehensive `WSGI`_ web application library. It began as
-a simple collection of various utilities for WSGI applications and has
-become one of the most advanced WSGI utility libraries.
-
-It includes:
-
-* An interactive debugger that allows inspecting stack traces and source
-  code in the browser with an interactive interpreter for any frame in
-  the stack.
-* A full-featured request object with objects to interact with headers,
-  query args, form data, files, and cookies.
-* A response object that can wrap other WSGI applications and handle
-  streaming data.
-* A routing system for matching URLs to endpoints and generating URLs
-  for endpoints, with an extensible system for capturing variables from
-  URLs.
-* HTTP utilities to handle entity tags, cache control, dates, user
-  agents, cookies, files, and more.
-* A threaded WSGI server for use while developing applications locally.
-* A test client for simulating HTTP requests during testing without
-  requiring running a server.
-
-Werkzeug is Unicode aware and doesn't enforce any dependencies. It is up
-to the developer to choose a template engine, database adapter, and even
-how to handle requests. It can be used to build all sorts of end user
-applications such as blogs, wikis, or bulletin boards.
-
-`Flask`_ wraps Werkzeug, using it to handle the details of WSGI while
-providing more structure and patterns for defining powerful
-applications.
-
-
-Installing
-----------
-
-Install and update using `pip`_:
-
-.. code-block:: text
-
-    pip install -U Werkzeug
-
-
-A Simple Example
-----------------
-
-.. code-block:: python
-
-    from werkzeug.wrappers import Request, Response
-
-    @Request.application
-    def application(request):
-        return Response('Hello, World!')
-
-    if __name__ == '__main__':
-        from werkzeug.serving import run_simple
-        run_simple('localhost', 4000, application)
-
-
-Links
------
-
-* Website: https://www.palletsprojects.com/p/werkzeug/
-* Releases: https://pypi.org/project/Werkzeug/
-* Code: https://github.com/pallets/werkzeug
-* Issue tracker: https://github.com/pallets/werkzeug/issues
-* Test status:
-
-  * Linux, Mac: https://travis-ci.org/pallets/werkzeug
-  * Windows: https://ci.appveyor.com/project/davidism/werkzeug
-
-* Test coverage: https://codecov.io/gh/pallets/werkzeug
-
-.. _WSGI: https://wsgi.readthedocs.io/en/latest/
-.. _Flask: https://www.palletsprojects.com/p/flask/
-.. _pip: https://pip.pypa.io/en/stable/quickstart/
-
-

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backend/venv/lib/python3.6/site-packages/Werkzeug-0.14.1.dist-info/WHEEL

@@ -1,6 +0,0 @@
-Wheel-Version: 1.0
-Generator: bdist_wheel (0.26.0)
-Root-Is-Purelib: true
-Tag: py2-none-any
-Tag: py3-none-any
-

backend/venv/lib/python3.6/site-packages/Werkzeug-0.14.1.dist-info/metadata.json

@@ -1 +0,0 @@
-{"generator": "bdist_wheel (0.26.0)", "summary": "The comprehensive WSGI web application library.", "classifiers": ["Development Status :: 5 - Production/Stable", "Environment :: Web Environment", "Intended Audience :: Developers", "License :: OSI Approved :: BSD License", "Operating System :: OS Independent", "Programming Language :: Python", "Programming Language :: Python :: 2", "Programming Language :: Python :: 2.6", "Programming Language :: Python :: 2.7", "Programming Language :: Python :: 3", "Programming Language :: Python :: 3.3", "Programming Language :: Python :: 3.4", "Programming Language :: Python :: 3.5", "Programming Language :: Python :: 3.6", "Topic :: Internet :: WWW/HTTP :: Dynamic Content", "Topic :: Software Development :: Libraries :: Python Modules"], "description_content_type": "UNKNOWN", "extensions": {"python.details": {"project_urls": {"Home": "https://www.palletsprojects.org/p/werkzeug/"}, "contacts": [{"email": "armin.ronacher@active-4.com", "name": "Armin Ronacher", "role": "author"}], "document_names": {"description": "DESCRIPTION.rst", "license": "LICENSE.txt"}}}, "license": "BSD", "metadata_version": "2.0", "name": "Werkzeug", "platform": "any", "extras": ["dev", "termcolor", "watchdog"], "run_requires": [{"requires": ["coverage", "pytest", "sphinx", "tox"], "extra": "dev"}, {"requires": ["termcolor"], "extra": "termcolor"}, {"requires": ["watchdog"], "extra": "watchdog"}], "version": "0.14.1"}

backend/venv/lib/python3.6/site-packages/Werkzeug-0.14.1.dist-info/top_level.txt

@@ -1 +0,0 @@
-werkzeug

backend/venv/lib/python3.6/site-packages/backports/configparser/helpers.py

@@ -1,171 +0,0 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
-
-from collections import MutableMapping
-try:
-    from collections import UserDict
-except ImportError:
-    from UserDict import UserDict
-
-try:
-    from collections import OrderedDict
-except ImportError:
-    from ordereddict import OrderedDict
-
-from io import open
-import sys
-try:
-    from thread import get_ident
-except ImportError:
-    try:
-        from _thread import get_ident
-    except ImportError:
-        from _dummy_thread import get_ident
-
-
-PY2 = sys.version_info[0] == 2
-PY3 = sys.version_info[0] == 3
-
-str = type('str')
-
-
-def from_none(exc):
-    """raise from_none(ValueError('a')) == raise ValueError('a') from None"""
-    exc.__cause__ = None
-    exc.__suppress_context__ = True
-    return exc
-
-
-# from reprlib 3.2.1
-def recursive_repr(fillvalue='...'):
-    'Decorator to make a repr function return fillvalue for a recursive call'
-
-    def decorating_function(user_function):
-        repr_running = set()
-
-        def wrapper(self):
-            key = id(self), get_ident()
-            if key in repr_running:
-                return fillvalue
-            repr_running.add(key)
-            try:
-                result = user_function(self)
-            finally:
-                repr_running.discard(key)
-            return result
-
-        # Can't use functools.wraps() here because of bootstrap issues
-        wrapper.__module__ = getattr(user_function, '__module__')
-        wrapper.__doc__ = getattr(user_function, '__doc__')
-        wrapper.__name__ = getattr(user_function, '__name__')
-        wrapper.__annotations__ = getattr(user_function, '__annotations__', {})
-        return wrapper
-
-    return decorating_function
-
-# from collections 3.2.1
-class _ChainMap(MutableMapping):
-    ''' A ChainMap groups multiple dicts (or other mappings) together
-    to create a single, updateable view.
-
-    The underlying mappings are stored in a list.  That list is public and can
-    accessed or updated using the *maps* attribute.  There is no other state.
-
-    Lookups search the underlying mappings successively until a key is found.
-    In contrast, writes, updates, and deletions only operate on the first
-    mapping.
-
-    '''
-
-    def __init__(self, *maps):
-        '''Initialize a ChainMap by setting *maps* to the given mappings.
-        If no mappings are provided, a single empty dictionary is used.
-
-        '''
-        self.maps = list(maps) or [{}]          # always at least one map
-
-    def __missing__(self, key):
-        raise KeyError(key)
-
-    def __getitem__(self, key):
-        for mapping in self.maps:
-            try:
-                return mapping[key]             # can't use 'key in mapping' with defaultdict
-            except KeyError:
-                pass
-        return self.__missing__(key)            # support subclasses that define __missing__
-
-    def get(self, key, default=None):
-        return self[key] if key in self else default
-
-    def __len__(self):
-        return len(set().union(*self.maps))     # reuses stored hash values if possible
-
-    def __iter__(self):
-        return iter(set().union(*self.maps))
-
-    def __contains__(self, key):
-        return any(key in m for m in self.maps)
-
-    @recursive_repr()
-    def __repr__(self):
-        return '{0.__class__.__name__}({1})'.format(
-            self, ', '.join(map(repr, self.maps)))
-
-    @classmethod
-    def fromkeys(cls, iterable, *args):
-        'Create a ChainMap with a single dict created from the iterable.'
-        return cls(dict.fromkeys(iterable, *args))
-
-    def copy(self):
-        'New ChainMap or subclass with a new copy of maps[0] and refs to maps[1:]'
-        return self.__class__(self.maps[0].copy(), *self.maps[1:])
-
-    __copy__ = copy
-
-    def new_child(self):                        # like Django's Context.push()
-        'New ChainMap with a new dict followed by all previous maps.'
-        return self.__class__({}, *self.maps)
-
-    @property
-    def parents(self):                          # like Django's Context.pop()
-        'New ChainMap from maps[1:].'
-        return self.__class__(*self.maps[1:])
-
-    def __setitem__(self, key, value):
-        self.maps[0][key] = value
-
-    def __delitem__(self, key):
-        try:
-            del self.maps[0][key]
-        except KeyError:
-            raise KeyError('Key not found in the first mapping: {!r}'.format(key))
-
-    def popitem(self):
-        'Remove and return an item pair from maps[0]. Raise KeyError is maps[0] is empty.'
-        try:
-            return self.maps[0].popitem()
-        except KeyError:
-            raise KeyError('No keys found in the first mapping.')
-
-    def pop(self, key, *args):
-        'Remove *key* from maps[0] and return its value. Raise KeyError if *key* not in maps[0].'
-        try:
-            return self.maps[0].pop(key, *args)
-        except KeyError:
-            raise KeyError('Key not found in the first mapping: {!r}'.format(key))
-
-    def clear(self):
-        'Clear maps[0], leaving maps[1:] intact.'
-        self.maps[0].clear()
-
-
-try:
-    from collections import ChainMap
-except ImportError:
-    ChainMap = _ChainMap

backend/venv/lib/python3.6/site-packages/blinker-1.4.egg-info/PKG-INFO

@@ -1,101 +0,0 @@
-Metadata-Version: 1.1
-Name: blinker
-Version: 1.4
-Summary: Fast, simple object-to-object and broadcast signaling
-Home-page: http://pythonhosted.org/blinker/
-Author: Jason Kirtland
-Author-email: jek@discorporate.us
-License: MIT License
-Description: [![Build Status](https://travis-ci.org/jek/blinker.svg?branch=master)](https://travis-ci.org/jek/blinker)
-        
-        
-        # Blinker
-        
-        Blinker provides a fast dispatching system that allows any number of
-        interested parties to subscribe to events, or "signals".
-        
-        Signal receivers can subscribe to specific senders or receive signals
-        sent by any sender.
-        
-            >>> from blinker import signal
-            >>> started = signal('round-started')
-            >>> def each(round):
-            ...     print "Round %s!" % round
-            ...
-            >>> started.connect(each)
-            
-            >>> def round_two(round):
-            ...     print "This is round two."
-            ...
-            >>> started.connect(round_two, sender=2)
-          
-            >>> for round in range(1, 4):
-            ...     started.send(round)
-            ...
-            Round 1!
-            Round 2!
-            This is round two.
-            Round 3!
-        
-        See the [Blinker documentation](https://pythonhosted.org/blinker/) for more information.
-        
-        ## Requirements
-        
-        Blinker requires Python 2.4 or higher, Python 3.0 or higher, or Jython 2.5 or higher.
-        
-        ## Changelog Summary
-        
-        1.3 (July 3, 2013)
-        
-         - The global signal stash behind blinker.signal() is now backed by a
-           regular name-to-Signal dictionary. Previously, weak references were
-           held in the mapping and ephemeral usage in code like
-           ``signal('foo').connect(...)`` could have surprising program behavior
-           depending on import order of modules.
-         - blinker.Namespace is now built on a regular dict. Use
-           blinker.WeakNamespace for the older, weak-referencing behavior.
-         - Signal.connect('text-sender') uses an alternate hashing strategy to
-           avoid sharp edges in text identity.
-        
-        1.2 (October 26, 2011)
-        
-         - Added Signal.receiver_connected and Signal.receiver_disconnected
-           per-Signal signals.
-         - Deprecated the global 'receiver_connected' signal.
-         - Verified Python 3.2 support (no changes needed!)
-        
-        1.1 (July 21, 2010)
-        
-         - Added ``@signal.connect_via(sender)`` decorator
-         - Added ``signal.connected_to`` shorthand name for the
-           ``temporarily_connected_to`` context manager.
-        
-        1.0 (March 28, 2010)
-        
-         - Python 3.x compatibility
-        
-        0.9 (February 26, 2010)
-        
-         - Sphinx docs, project website
-         - Added ``with a_signal.temporarily_connected_to(receiver): ...`` support
-        
-Keywords: signal emit events broadcast
-Platform: UNKNOWN
-Classifier: Development Status :: 5 - Production/Stable
-Classifier: Intended Audience :: Developers
-Classifier: License :: OSI Approved :: MIT License
-Classifier: Operating System :: OS Independent
-Classifier: Programming Language :: Python
-Classifier: Programming Language :: Python :: 2
-Classifier: Programming Language :: Python :: 2.4
-Classifier: Programming Language :: Python :: 2.5
-Classifier: Programming Language :: Python :: 2.6
-Classifier: Programming Language :: Python :: 2.7
-Classifier: Programming Language :: Python :: 3
-Classifier: Programming Language :: Python :: 3.0
-Classifier: Programming Language :: Python :: 3.1
-Classifier: Programming Language :: Python :: 3.2
-Classifier: Programming Language :: Python :: 3.3
-Classifier: Programming Language :: Python :: 3.4
-Classifier: Topic :: Software Development :: Libraries
-Classifier: Topic :: Utilities

backend/venv/lib/python3.6/site-packages/blinker-1.4.egg-info/SOURCES.txt

@@ -1,49 +0,0 @@
-AUTHORS
-CHANGES
-LICENSE
-MANIFEST.in
-README.md
-setup.cfg
-setup.py
-blinker/__init__.py
-blinker/_saferef.py
-blinker/_utilities.py
-blinker/base.py
-blinker.egg-info/PKG-INFO
-blinker.egg-info/SOURCES.txt
-blinker.egg-info/dependency_links.txt
-blinker.egg-info/top_level.txt
-docs/html/genindex.html
-docs/html/index.html
-docs/html/objects.inv
-docs/html/search.html
-docs/html/searchindex.js
-docs/html/_sources/index.txt
-docs/html/_static/basic.css
-docs/html/_static/blinker-named.png
-docs/html/_static/blinker64.png
-docs/html/_static/comment-bright.png
-docs/html/_static/comment-close.png
-docs/html/_static/comment.png
-docs/html/_static/doctools.js
-docs/html/_static/down-pressed.png
-docs/html/_static/down.png
-docs/html/_static/file.png
-docs/html/_static/flasky.css
-docs/html/_static/jquery.js
-docs/html/_static/minus.png
-docs/html/_static/plus.png
-docs/html/_static/pygments.css
-docs/html/_static/searchtools.js
-docs/html/_static/underscore.js
-docs/html/_static/up-pressed.png
-docs/html/_static/up.png
-docs/html/_static/websupport.js
-docs/source/conf.py
-docs/source/index.rst
-docs/source/_themes/flask_theme_support.py
-docs/text/index.txt
-tests/test_context.py
-tests/test_saferef.py
-tests/test_signals.py
-tests/test_utilities.py

backend/venv/lib/python3.6/site-packages/blinker-1.4.egg-info/dependency_links.txt

@@ -1 +0,0 @@
-

backend/venv/lib/python3.6/site-packages/blinker-1.4.egg-info/installed-files.txt

@@ -1,12 +0,0 @@
-../blinker/__init__.py
-../blinker/__pycache__/__init__.cpython-36.pyc
-../blinker/__pycache__/_saferef.cpython-36.pyc
-../blinker/__pycache__/_utilities.cpython-36.pyc
-../blinker/__pycache__/base.cpython-36.pyc
-../blinker/_saferef.py
-../blinker/_utilities.py
-../blinker/base.py
-PKG-INFO
-SOURCES.txt
-dependency_links.txt
-top_level.txt

backend/venv/lib/python3.6/site-packages/blinker-1.4.egg-info/top_level.txt

@@ -1 +0,0 @@
-blinker

backend/venv/lib/python3.6/site-packages/blinker/__init__.py

@@ -1,22 +0,0 @@
-from blinker.base import (
-    ANY,
-    NamedSignal,
-    Namespace,
-    Signal,
-    WeakNamespace,
-    receiver_connected,
-    signal,
-)
-
-__all__ = [
-    'ANY',
-    'NamedSignal',
-    'Namespace',
-    'Signal',
-    'WeakNamespace',
-    'receiver_connected',
-    'signal',
-    ]
-
-
-__version__ = '1.4'

backend/venv/lib/python3.6/site-packages/blinker/_saferef.py

@@ -1,234 +0,0 @@
-# extracted from Louie, http://pylouie.org/
-# updated for Python 3
-#
-# Copyright (c) 2006 Patrick K. O'Brien, Mike C. Fletcher,
-#                    Matthew R. Scott
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
-#
-#     * Redistributions of source code must retain the above copyright
-#       notice, this list of conditions and the following disclaimer.
-#
-#     * Redistributions in binary form must reproduce the above
-#       copyright notice, this list of conditions and the following
-#       disclaimer in the documentation and/or other materials provided
-#       with the distribution.
-#
-#     * Neither the name of the <ORGANIZATION> nor the names of its
-#       contributors may be used to endorse or promote products derived
-#       from this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-#
-"""Refactored 'safe reference from dispatcher.py"""
-
-import operator
-import sys
-import traceback
-import weakref
-
-
-try:
-    callable
-except NameError:
-    def callable(object):
-        return hasattr(object, '__call__')
-
-
-if sys.version_info < (3,):
-    get_self = operator.attrgetter('im_self')
-    get_func = operator.attrgetter('im_func')
-else:
-    get_self = operator.attrgetter('__self__')
-    get_func = operator.attrgetter('__func__')
-
-
-def safe_ref(target, on_delete=None):
-    """Return a *safe* weak reference to a callable target.
-
-    - ``target``: The object to be weakly referenced, if it's a bound
-      method reference, will create a BoundMethodWeakref, otherwise
-      creates a simple weakref.
-
-    - ``on_delete``: If provided, will have a hard reference stored to
-      the callable to be called after the safe reference goes out of
-      scope with the reference object, (either a weakref or a
-      BoundMethodWeakref) as argument.
-    """
-    try:
-        im_self = get_self(target)
-    except AttributeError:
-        if callable(on_delete):
-            return weakref.ref(target, on_delete)
-        else:
-            return weakref.ref(target)
-    else:
-        if im_self is not None:
-            # Turn a bound method into a BoundMethodWeakref instance.
-            # Keep track of these instances for lookup by disconnect().
-            assert hasattr(target, 'im_func') or hasattr(target, '__func__'), (
-                "safe_ref target %r has im_self, but no im_func, "
-                "don't know how to create reference" % target)
-            reference = BoundMethodWeakref(target=target, on_delete=on_delete)
-            return reference
-
-
-class BoundMethodWeakref(object):
-    """'Safe' and reusable weak references to instance methods.
-
-    BoundMethodWeakref objects provide a mechanism for referencing a
-    bound method without requiring that the method object itself
-    (which is normally a transient object) is kept alive.  Instead,
-    the BoundMethodWeakref object keeps weak references to both the
-    object and the function which together define the instance method.
-
-    Attributes:
-
-    - ``key``: The identity key for the reference, calculated by the
-      class's calculate_key method applied to the target instance method.
-
-    - ``deletion_methods``: Sequence of callable objects taking single
-      argument, a reference to this object which will be called when
-      *either* the target object or target function is garbage
-      collected (i.e. when this object becomes invalid).  These are
-      specified as the on_delete parameters of safe_ref calls.
-
-    - ``weak_self``: Weak reference to the target object.
-
-    - ``weak_func``: Weak reference to the target function.
-
-    Class Attributes:
-
-    - ``_all_instances``: Class attribute pointing to all live
-      BoundMethodWeakref objects indexed by the class's
-      calculate_key(target) method applied to the target objects.
-      This weak value dictionary is used to short-circuit creation so
-      that multiple references to the same (object, function) pair
-      produce the same BoundMethodWeakref instance.
-    """
-
-    _all_instances = weakref.WeakValueDictionary()
-
-    def __new__(cls, target, on_delete=None, *arguments, **named):
-        """Create new instance or return current instance.
-
-        Basically this method of construction allows us to
-        short-circuit creation of references to already- referenced
-        instance methods.  The key corresponding to the target is
-        calculated, and if there is already an existing reference,
-        that is returned, with its deletion_methods attribute updated.
-        Otherwise the new instance is created and registered in the
-        table of already-referenced methods.
-        """
-        key = cls.calculate_key(target)
-        current = cls._all_instances.get(key)
-        if current is not None:
-            current.deletion_methods.append(on_delete)
-            return current
-        else:
-            base = super(BoundMethodWeakref, cls).__new__(cls)
-            cls._all_instances[key] = base
-            base.__init__(target, on_delete, *arguments, **named)
-            return base
-
-    def __init__(self, target, on_delete=None):
-        """Return a weak-reference-like instance for a bound method.
-
-        - ``target``: The instance-method target for the weak reference,
-          must have im_self and im_func attributes and be
-          reconstructable via the following, which is true of built-in
-          instance methods::
-
-            target.im_func.__get__( target.im_self )
-
-        - ``on_delete``: Optional callback which will be called when
-          this weak reference ceases to be valid (i.e. either the
-          object or the function is garbage collected).  Should take a
-          single argument, which will be passed a pointer to this
-          object.
-        """
-        def remove(weak, self=self):
-            """Set self.isDead to True when method or instance is destroyed."""
-            methods = self.deletion_methods[:]
-            del self.deletion_methods[:]
-            try:
-                del self.__class__._all_instances[self.key]
-            except KeyError:
-                pass
-            for function in methods:
-                try:
-                    if callable(function):
-                        function(self)
-                except Exception:
-                    try:
-                        traceback.print_exc()
-                    except AttributeError:
-                        e = sys.exc_info()[1]
-                        print ('Exception during saferef %s '
-                               'cleanup function %s: %s' % (self, function, e))
-        self.deletion_methods = [on_delete]
-        self.key = self.calculate_key(target)
-        im_self = get_self(target)
-        im_func = get_func(target)
-        self.weak_self = weakref.ref(im_self, remove)
-        self.weak_func = weakref.ref(im_func, remove)
-        self.self_name = str(im_self)
-        self.func_name = str(im_func.__name__)
-
-    def calculate_key(cls, target):
-        """Calculate the reference key for this reference.
-
-        Currently this is a two-tuple of the id()'s of the target
-        object and the target function respectively.
-        """
-        return (id(get_self(target)), id(get_func(target)))
-    calculate_key = classmethod(calculate_key)
-
-    def __str__(self):
-        """Give a friendly representation of the object."""
-        return "%s(%s.%s)" % (
-            self.__class__.__name__,
-            self.self_name,
-            self.func_name,
-            )
-
-    __repr__ = __str__
-
-    def __nonzero__(self):
-        """Whether we are still a valid reference."""
-        return self() is not None
-
-    def __cmp__(self, other):
-        """Compare with another reference."""
-        if not isinstance(other, self.__class__):
-            return cmp(self.__class__, type(other))
-        return cmp(self.key, other.key)
-
-    def __call__(self):
-        """Return a strong reference to the bound method.
-
-        If the target cannot be retrieved, then will return None,
-        otherwise returns a bound instance method for our object and
-        function.
-
-        Note: You may call this method any number of times, as it does
-        not invalidate the reference.
-        """
-        target = self.weak_self()
-        if target is not None:
-            function = self.weak_func()
-            if function is not None:
-                return function.__get__(target)
-        return None

backend/venv/lib/python3.6/site-packages/blinker/_utilities.py

@@ -1,163 +0,0 @@
-from weakref import ref
-
-from blinker._saferef import BoundMethodWeakref
-
-
-try:
-    callable
-except NameError:
-    def callable(object):
-        return hasattr(object, '__call__')
-
-
-try:
-    from collections import defaultdict
-except:
-    class defaultdict(dict):
-
-        def __init__(self, default_factory=None, *a, **kw):
-            if (default_factory is not None and
-                not hasattr(default_factory, '__call__')):
-                raise TypeError('first argument must be callable')
-            dict.__init__(self, *a, **kw)
-            self.default_factory = default_factory
-
-        def __getitem__(self, key):
-            try:
-                return dict.__getitem__(self, key)
-            except KeyError:
-                return self.__missing__(key)
-
-        def __missing__(self, key):
-            if self.default_factory is None:
-                raise KeyError(key)
-            self[key] = value = self.default_factory()
-            return value
-
-        def __reduce__(self):
-            if self.default_factory is None:
-                args = tuple()
-            else:
-                args = self.default_factory,
-            return type(self), args, None, None, self.items()
-
-        def copy(self):
-            return self.__copy__()
-
-        def __copy__(self):
-            return type(self)(self.default_factory, self)
-
-        def __deepcopy__(self, memo):
-            import copy
-            return type(self)(self.default_factory,
-                              copy.deepcopy(self.items()))
-
-        def __repr__(self):
-            return 'defaultdict(%s, %s)' % (self.default_factory,
-                                            dict.__repr__(self))
-
-
-try:
-    from contextlib import contextmanager
-except ImportError:
-    def contextmanager(fn):
-        def oops(*args, **kw):
-            raise RuntimeError("Python 2.5 or above is required to use "
-                               "context managers.")
-        oops.__name__ = fn.__name__
-        return oops
-
-class _symbol(object):
-
-    def __init__(self, name):
-        """Construct a new named symbol."""
-        self.__name__ = self.name = name
-
-    def __reduce__(self):
-        return symbol, (self.name,)
-
-    def __repr__(self):
-        return self.name
-_symbol.__name__ = 'symbol'
-
-
-class symbol(object):
-    """A constant symbol.
-
-    >>> symbol('foo') is symbol('foo')
-    True
-    >>> symbol('foo')
-    foo
-
-    A slight refinement of the MAGICCOOKIE=object() pattern.  The primary
-    advantage of symbol() is its repr().  They are also singletons.
-
-    Repeated calls of symbol('name') will all return the same instance.
-
-    """
-    symbols = {}
-
-    def __new__(cls, name):
-        try:
-            return cls.symbols[name]
-        except KeyError:
-            return cls.symbols.setdefault(name, _symbol(name))
-
-
-try:
-    text = (str, unicode)
-except NameError:
-    text = str
-
-
-def hashable_identity(obj):
-    if hasattr(obj, '__func__'):
-        return (id(obj.__func__), id(obj.__self__))
-    elif hasattr(obj, 'im_func'):
-        return (id(obj.im_func), id(obj.im_self))
-    elif isinstance(obj, text):
-        return obj
-    else:
-        return id(obj)
-
-
-WeakTypes = (ref, BoundMethodWeakref)
-
-
-class annotatable_weakref(ref):
-    """A weakref.ref that supports custom instance attributes."""
-
-
-def reference(object, callback=None, **annotations):
-    """Return an annotated weak ref."""
-    if callable(object):
-        weak = callable_reference(object, callback)
-    else:
-        weak = annotatable_weakref(object, callback)
-    for key, value in annotations.items():
-        setattr(weak, key, value)
-    return weak
-
-
-def callable_reference(object, callback=None):
-    """Return an annotated weak ref, supporting bound instance methods."""
-    if hasattr(object, 'im_self') and object.im_self is not None:
-        return BoundMethodWeakref(target=object, on_delete=callback)
-    elif hasattr(object, '__self__') and object.__self__ is not None:
-        return BoundMethodWeakref(target=object, on_delete=callback)
-    return annotatable_weakref(object, callback)
-
-
-class lazy_property(object):
-    """A @property that is only evaluated once."""
-
-    def __init__(self, deferred):
-        self._deferred = deferred
-        self.__doc__ = deferred.__doc__
-
-    def __get__(self, obj, cls):
-        if obj is None:
-            return self
-        value = self._deferred(obj)
-        setattr(obj, self._deferred.__name__, value)
-        return value

backend/venv/lib/python3.6/site-packages/blinker/base.py

@@ -1,455 +0,0 @@
-# -*- coding: utf-8; fill-column: 76 -*-
-"""Signals and events.
-
-A small implementation of signals, inspired by a snippet of Django signal
-API client code seen in a blog post.  Signals are first-class objects and
-each manages its own receivers and message emission.
-
-The :func:`signal` function provides singleton behavior for named signals.
-
-"""
-from warnings import warn
-from weakref import WeakValueDictionary
-
-from blinker._utilities import (
-    WeakTypes,
-    contextmanager,
-    defaultdict,
-    hashable_identity,
-    lazy_property,
-    reference,
-    symbol,
-    )
-
-
-ANY = symbol('ANY')
-ANY.__doc__ = 'Token for "any sender".'
-ANY_ID = 0
-
-
-class Signal(object):
-    """A notification emitter."""
-
-    #: An :obj:`ANY` convenience synonym, allows ``Signal.ANY``
-    #: without an additional import.
-    ANY = ANY
-
-    @lazy_property
-    def receiver_connected(self):
-        """Emitted after each :meth:`connect`.
-
-        The signal sender is the signal instance, and the :meth:`connect`
-        arguments are passed through: *receiver*, *sender*, and *weak*.
-
-        .. versionadded:: 1.2
-
-        """
-        return Signal(doc="Emitted after a receiver connects.")
-
-    @lazy_property
-    def receiver_disconnected(self):
-        """Emitted after :meth:`disconnect`.
-
-        The sender is the signal instance, and the :meth:`disconnect` arguments
-        are passed through: *receiver* and *sender*.
-
-        Note, this signal is emitted **only** when :meth:`disconnect` is
-        called explicitly.
-
-        The disconnect signal can not be emitted by an automatic disconnect
-        (due to a weakly referenced receiver or sender going out of scope),
-        as the receiver and/or sender instances are no longer available for
-        use at the time this signal would be emitted.
-
-        An alternative approach is available by subscribing to
-        :attr:`receiver_connected` and setting up a custom weakref cleanup
-        callback on weak receivers and senders.
-
-        .. versionadded:: 1.2
-
-        """
-        return Signal(doc="Emitted after a receiver disconnects.")
-
-    def __init__(self, doc=None):
-        """
-        :param doc: optional.  If provided, will be assigned to the signal's
-          __doc__ attribute.
-
-        """
-        if doc:
-            self.__doc__ = doc
-        #: A mapping of connected receivers.
-        #:
-        #: The values of this mapping are not meaningful outside of the
-        #: internal :class:`Signal` implementation, however the boolean value
-        #: of the mapping is useful as an extremely efficient check to see if
-        #: any receivers are connected to the signal.
-        self.receivers = {}
-        self._by_receiver = defaultdict(set)
-        self._by_sender = defaultdict(set)
-        self._weak_senders = {}
-
-    def connect(self, receiver, sender=ANY, weak=True):
-        """Connect *receiver* to signal events sent by *sender*.
-
-        :param receiver: A callable.  Will be invoked by :meth:`send` with
-          `sender=` as a single positional argument and any \*\*kwargs that
-          were provided to a call to :meth:`send`.
-
-        :param sender: Any object or :obj:`ANY`, defaults to ``ANY``.
-          Restricts notifications delivered to *receiver* to only those
-          :meth:`send` emissions sent by *sender*.  If ``ANY``, the receiver
-          will always be notified.  A *receiver* may be connected to
-          multiple *sender* values on the same Signal through multiple calls
-          to :meth:`connect`.
-
-        :param weak: If true, the Signal will hold a weakref to *receiver*
-          and automatically disconnect when *receiver* goes out of scope or
-          is garbage collected.  Defaults to True.
-
-        """
-        receiver_id = hashable_identity(receiver)
-        if weak:
-            receiver_ref = reference(receiver, self._cleanup_receiver)
-            receiver_ref.receiver_id = receiver_id
-        else:
-            receiver_ref = receiver
-        if sender is ANY:
-            sender_id = ANY_ID
-        else:
-            sender_id = hashable_identity(sender)
-
-        self.receivers.setdefault(receiver_id, receiver_ref)
-        self._by_sender[sender_id].add(receiver_id)
-        self._by_receiver[receiver_id].add(sender_id)
-        del receiver_ref
-
-        if sender is not ANY and sender_id not in self._weak_senders:
-            # wire together a cleanup for weakref-able senders
-            try:
-                sender_ref = reference(sender, self._cleanup_sender)
-                sender_ref.sender_id = sender_id
-            except TypeError:
-                pass
-            else:
-                self._weak_senders.setdefault(sender_id, sender_ref)
-                del sender_ref
-
-        # broadcast this connection.  if receivers raise, disconnect.
-        if ('receiver_connected' in self.__dict__ and
-            self.receiver_connected.receivers):
-            try:
-                self.receiver_connected.send(self,
-                                             receiver=receiver,
-                                             sender=sender,
-                                             weak=weak)
-            except:
-                self.disconnect(receiver, sender)
-                raise
-        if receiver_connected.receivers and self is not receiver_connected:
-            try:
-                receiver_connected.send(self,
-                                        receiver_arg=receiver,
-                                        sender_arg=sender,
-                                        weak_arg=weak)
-            except:
-                self.disconnect(receiver, sender)
-                raise
-        return receiver
-
-    def connect_via(self, sender, weak=False):
-        """Connect the decorated function as a receiver for *sender*.
-
-        :param sender: Any object or :obj:`ANY`.  The decorated function
-          will only receive :meth:`send` emissions sent by *sender*.  If
-          ``ANY``, the receiver will always be notified.  A function may be
-          decorated multiple times with differing *sender* values.
-
-        :param weak: If true, the Signal will hold a weakref to the
-          decorated function and automatically disconnect when *receiver*
-          goes out of scope or is garbage collected.  Unlike
-          :meth:`connect`, this defaults to False.
-
-        The decorated function will be invoked by :meth:`send` with
-          `sender=` as a single positional argument and any \*\*kwargs that
-          were provided to the call to :meth:`send`.
-
-
-        .. versionadded:: 1.1
-
-        """
-        def decorator(fn):
-            self.connect(fn, sender, weak)
-            return fn
-        return decorator
-
-    @contextmanager
-    def connected_to(self, receiver, sender=ANY):
-        """Execute a block with the signal temporarily connected to *receiver*.
-
-        :param receiver: a receiver callable
-        :param sender: optional, a sender to filter on
-
-        This is a context manager for use in the ``with`` statement.  It can
-        be useful in unit tests.  *receiver* is connected to the signal for
-        the duration of the ``with`` block, and will be disconnected
-        automatically when exiting the block:
-
-        .. testsetup::
-
-          from __future__ import with_statement
-          from blinker import Signal
-          on_ready = Signal()
-          receiver = lambda sender: None
-
-        .. testcode::
-
-          with on_ready.connected_to(receiver):
-             # do stuff
-             on_ready.send(123)
-
-        .. versionadded:: 1.1
-
-        """
-        self.connect(receiver, sender=sender, weak=False)
-        try:
-            yield None
-        except:
-            self.disconnect(receiver)
-            raise
-        else:
-            self.disconnect(receiver)
-
-    def temporarily_connected_to(self, receiver, sender=ANY):
-        """An alias for :meth:`connected_to`.
-
-        :param receiver: a receiver callable
-        :param sender: optional, a sender to filter on
-
-        .. versionadded:: 0.9
-
-        .. versionchanged:: 1.1
-          Renamed to :meth:`connected_to`.  ``temporarily_connected_to`` was
-          deprecated in 1.2 and will be removed in a subsequent version.
-
-        """
-        warn("temporarily_connected_to is deprecated; "
-             "use connected_to instead.",
-             DeprecationWarning)
-        return self.connected_to(receiver, sender)
-
-    def send(self, *sender, **kwargs):
-        """Emit this signal on behalf of *sender*, passing on \*\*kwargs.
-
-        Returns a list of 2-tuples, pairing receivers with their return
-        value. The ordering of receiver notification is undefined.
-
-        :param \*sender: Any object or ``None``.  If omitted, synonymous
-          with ``None``.  Only accepts one positional argument.
-
-        :param \*\*kwargs: Data to be sent to receivers.
-
-        """
-        # Using '*sender' rather than 'sender=None' allows 'sender' to be
-        # used as a keyword argument- i.e. it's an invisible name in the
-        # function signature.
-        if len(sender) == 0:
-            sender = None
-        elif len(sender) > 1:
-            raise TypeError('send() accepts only one positional argument, '
-                            '%s given' % len(sender))
-        else:
-            sender = sender[0]
-        if not self.receivers:
-            return []
-        else:
-            return [(receiver, receiver(sender, **kwargs))
-                    for receiver in self.receivers_for(sender)]
-
-    def has_receivers_for(self, sender):
-        """True if there is probably a receiver for *sender*.
-
-        Performs an optimistic check only.  Does not guarantee that all
-        weakly referenced receivers are still alive.  See
-        :meth:`receivers_for` for a stronger search.
-
-        """
-        if not self.receivers:
-            return False
-        if self._by_sender[ANY_ID]:
-            return True
-        if sender is ANY:
-            return False
-        return hashable_identity(sender) in self._by_sender
-
-    def receivers_for(self, sender):
-        """Iterate all live receivers listening for *sender*."""
-        # TODO: test receivers_for(ANY)
-        if self.receivers:
-            sender_id = hashable_identity(sender)
-            if sender_id in self._by_sender:
-                ids = (self._by_sender[ANY_ID] |
-                       self._by_sender[sender_id])
-            else:
-                ids = self._by_sender[ANY_ID].copy()
-            for receiver_id in ids:
-                receiver = self.receivers.get(receiver_id)
-                if receiver is None:
-                    continue
-                if isinstance(receiver, WeakTypes):
-                    strong = receiver()
-                    if strong is None:
-                        self._disconnect(receiver_id, ANY_ID)
-                        continue
-                    receiver = strong
-                yield receiver
-
-    def disconnect(self, receiver, sender=ANY):
-        """Disconnect *receiver* from this signal's events.
-
-        :param receiver: a previously :meth:`connected<connect>` callable
-
-        :param sender: a specific sender to disconnect from, or :obj:`ANY`
-          to disconnect from all senders.  Defaults to ``ANY``.
-
-        """
-        if sender is ANY:
-            sender_id = ANY_ID
-        else:
-            sender_id = hashable_identity(sender)
-        receiver_id = hashable_identity(receiver)
-        self._disconnect(receiver_id, sender_id)
-
-        if ('receiver_disconnected' in self.__dict__ and
-            self.receiver_disconnected.receivers):
-            self.receiver_disconnected.send(self,
-                                            receiver=receiver,
-                                            sender=sender)
-
-    def _disconnect(self, receiver_id, sender_id):
-        if sender_id == ANY_ID:
-            if self._by_receiver.pop(receiver_id, False):
-                for bucket in self._by_sender.values():
-                    bucket.discard(receiver_id)
-            self.receivers.pop(receiver_id, None)
-        else:
-            self._by_sender[sender_id].discard(receiver_id)
-            self._by_receiver[receiver_id].discard(sender_id)
-
-    def _cleanup_receiver(self, receiver_ref):
-        """Disconnect a receiver from all senders."""
-        self._disconnect(receiver_ref.receiver_id, ANY_ID)
-
-    def _cleanup_sender(self, sender_ref):
-        """Disconnect all receivers from a sender."""
-        sender_id = sender_ref.sender_id
-        assert sender_id != ANY_ID
-        self._weak_senders.pop(sender_id, None)
-        for receiver_id in self._by_sender.pop(sender_id, ()):
-            self._by_receiver[receiver_id].discard(sender_id)
-
-    def _cleanup_bookkeeping(self):
-        """Prune unused sender/receiver bookeeping. Not threadsafe.
-
-        Connecting & disconnecting leave behind a small amount of bookeeping
-        for the receiver and sender values. Typical workloads using Blinker,
-        for example in most web apps, Flask, CLI scripts, etc., are not
-        adversely affected by this bookkeeping.
-
-        With a long-running Python process performing dynamic signal routing
-        with high volume- e.g. connecting to function closures, "senders" are
-        all unique object instances, and doing all of this over and over- you
-        may see memory usage will grow due to extraneous bookeeping. (An empty
-        set() for each stale sender/receiver pair.)
-
-        This method will prune that bookeeping away, with the caveat that such
-        pruning is not threadsafe. The risk is that cleanup of a fully
-        disconnected receiver/sender pair occurs while another thread is
-        connecting that same pair. If you are in the highly dynamic, unique
-        receiver/sender situation that has lead you to this method, that
-        failure mode is perhaps not a big deal for you.
-        """
-        for mapping in (self._by_sender, self._by_receiver):
-            for _id, bucket in list(mapping.items()):
-                if not bucket:
-                    mapping.pop(_id, None)
-
-    def _clear_state(self):
-        """Throw away all signal state.  Useful for unit tests."""
-        self._weak_senders.clear()
-        self.receivers.clear()
-        self._by_sender.clear()
-        self._by_receiver.clear()
-
-
-receiver_connected = Signal("""\
-Sent by a :class:`Signal` after a receiver connects.
-
-:argument: the Signal that was connected to
-:keyword receiver_arg: the connected receiver
-:keyword sender_arg: the sender to connect to
-:keyword weak_arg: true if the connection to receiver_arg is a weak reference
-
-.. deprecated:: 1.2
-
-As of 1.2, individual signals have their own private
-:attr:`~Signal.receiver_connected` and
-:attr:`~Signal.receiver_disconnected` signals with a slightly simplified
-call signature.  This global signal is planned to be removed in 1.6.
-
-""")
-
-
-class NamedSignal(Signal):
-    """A named generic notification emitter."""
-
-    def __init__(self, name, doc=None):
-        Signal.__init__(self, doc)
-
-        #: The name of this signal.
-        self.name = name
-
-    def __repr__(self):
-        base = Signal.__repr__(self)
-        return "%s; %r>" % (base[:-1], self.name)
-
-
-class Namespace(dict):
-    """A mapping of signal names to signals."""
-
-    def signal(self, name, doc=None):
-        """Return the :class:`NamedSignal` *name*, creating it if required.
-
-        Repeated calls to this function will return the same signal object.
-
-        """
-        try:
-            return self[name]
-        except KeyError:
-            return self.setdefault(name, NamedSignal(name, doc))
-
-
-class WeakNamespace(WeakValueDictionary):
-    """A weak mapping of signal names to signals.
-
-    Automatically cleans up unused Signals when the last reference goes out
-    of scope.  This namespace implementation exists for a measure of legacy
-    compatibility with Blinker <= 1.2, and may be dropped in the future.
-
-    .. versionadded:: 1.3
-
-    """
-
-    def signal(self, name, doc=None):
-        """Return the :class:`NamedSignal` *name*, creating it if required.
-
-        Repeated calls to this function will return the same signal object.
-
-        """
-        try:
-            return self[name]
-        except KeyError:
-            return self.setdefault(name, NamedSignal(name, doc))
-
-
-signal = Namespace().signal

backend/venv/lib/python3.6/site-packages/click/__init__.py

@@ -1,97 +0,0 @@
-# -*- coding: utf-8 -*-
-"""
-click
-~~~~~
-
-Click is a simple Python module inspired by the stdlib optparse to make
-writing command line scripts fun. Unlike other modules, it's based
-around a simple API that does not come with too much magic and is
-composable.
-
-:copyright: © 2014 by the Pallets team.
-:license: BSD, see LICENSE.rst for more details.
-"""
-
-# Core classes
-from .core import Context, BaseCommand, Command, MultiCommand, Group, \
-     CommandCollection, Parameter, Option, Argument
-
-# Globals
-from .globals import get_current_context
-
-# Decorators
-from .decorators import pass_context, pass_obj, make_pass_decorator, \
-     command, group, argument, option, confirmation_option, \
-     password_option, version_option, help_option
-
-# Types
-from .types import ParamType, File, Path, Choice, IntRange, Tuple, \
-     DateTime, STRING, INT, FLOAT, BOOL, UUID, UNPROCESSED, FloatRange
-
-# Utilities
-from .utils import echo, get_binary_stream, get_text_stream, open_file, \
-     format_filename, get_app_dir, get_os_args
-
-# Terminal functions
-from .termui import prompt, confirm, get_terminal_size, echo_via_pager, \
-     progressbar, clear, style, unstyle, secho, edit, launch, getchar, \
-     pause
-
-# Exceptions
-from .exceptions import ClickException, UsageError, BadParameter, \
-     FileError, Abort, NoSuchOption, BadOptionUsage, BadArgumentUsage, \
-     MissingParameter
-
-# Formatting
-from .formatting import HelpFormatter, wrap_text
-
-# Parsing
-from .parser import OptionParser
-
-
-__all__ = [
-    # Core classes
-    'Context', 'BaseCommand', 'Command', 'MultiCommand', 'Group',
-    'CommandCollection', 'Parameter', 'Option', 'Argument',
-
-    # Globals
-    'get_current_context',
-
-    # Decorators
-    'pass_context', 'pass_obj', 'make_pass_decorator', 'command', 'group',
-    'argument', 'option', 'confirmation_option', 'password_option',
-    'version_option', 'help_option',
-
-    # Types
-    'ParamType', 'File', 'Path', 'Choice', 'IntRange', 'Tuple',
-    'DateTime', 'STRING', 'INT', 'FLOAT', 'BOOL', 'UUID', 'UNPROCESSED',
-    'FloatRange',
-
-    # Utilities
-    'echo', 'get_binary_stream', 'get_text_stream', 'open_file',
-    'format_filename', 'get_app_dir', 'get_os_args',
-
-    # Terminal functions
-    'prompt', 'confirm', 'get_terminal_size', 'echo_via_pager',
-    'progressbar', 'clear', 'style', 'unstyle', 'secho', 'edit', 'launch',
-    'getchar', 'pause',
-
-    # Exceptions
-    'ClickException', 'UsageError', 'BadParameter', 'FileError',
-    'Abort', 'NoSuchOption', 'BadOptionUsage', 'BadArgumentUsage',
-    'MissingParameter',
-
-    # Formatting
-    'HelpFormatter', 'wrap_text',
-
-    # Parsing
-    'OptionParser',
-]
-
-
-# Controls if click should emit the warning about the use of unicode
-# literals.
-disable_unicode_literals_warning = False
-
-
-__version__ = '7.0'