Static code analysis and corrections

backend/storage.py

@@ -1,15 +1,19 @@
 # storage.py - storage backend for TeraHz
+'''TeraHz storage backend'''
 # Copyright Kristjan Komloši 2019
-# All code in this file is licensed under the ISC license, provided in LICENSE.txt
+# All code in this file is licensed under the ISC license,
+# provided in LICENSE.txt
 
 
 import sqlite3
 class jsonStorage:
+    '''Class for simple sqlite3 database of JSON entries'''
     def __init__(self, dbFile):
         '''Storage object constructor. Argument is filename'''
         self.db = sqlite3.connect(dbFile)
 
     def listJSONs(self):
+        '''Returns a list of all existing entries.'''
         c = self.db.cursor()
         c.execute('SELECT * FROM storage')
         result = c.fetchall()
@@ -17,8 +21,10 @@ class jsonStorage:
         return result
 
     def storeJSON(self, jsonString, comment):
+        '''Stores a JSON entry along with a timestamp and a comment.'''
         c = self.db.cursor()
-        c.execute('INSERT INTO storage VALUES (datetime(\'now\', \'localtime\'), ?, ?)', (comment, jsonString))
+        c.execute(('INSERT INTO storage VALUES (datetime'
+                   '(\'now\', \'localtime\'), ?, ?)'), (comment, jsonString))
         c.close()
         self.db.commit()