Fixed pylint CQ issues of class_sqlThread module

Author: navjotcis

src/class_sqlThread.py

@@ -27,8 +27,10 @@ def __init__(self):
         threading.Thread.__init__(self, name="SQL")
 
     def update_sent(self):
-        # After code refactoring, the possible status values for sent messages
-        # have changed.
+        """
+        After code refactoring, the possible status values for sent messages
+        have changed.
+        """
         self.cur.execute(
             '''update sent set status='doingmsgpow' where status='doingpow'  ''')
         self.cur.execute(
@@ -40,8 +42,10 @@ def update_sent(self):
         self.conn.commit()
 
     def versionTwo(self):
-        # Let's get rid of the first20bytesofencryptedmessage field in
-        # the inventory table.
+        """
+        method for getting rid of the first20bytesofencryptedmessage field in
+        the inventory table.
+        """
         logger.debug(
             'In messages.dat database, removing an obsolete field from'
             ' the inventory table.')
@@ -66,7 +70,7 @@ def versionTwo(self):
         self.cur.execute(item, parameters)
 
     def versionThree(self):
-        # Add a new column to the inventory table to store tags.
+        """Adding a new column to the inventory table to store tags."""
         logger.debug(
             'In messages.dat database, adding tag field to'
             ' the inventory table.')
@@ -78,8 +82,10 @@ def versionThree(self):
         self.cur.execute(item, parameters)
 
     def versionFour(self):
-        # Add a new column to the pubkeys table to store the address version.
-        # We're going to trash all of our pubkeys and let them be redownloaded.
+        """
+        Add a new column to the pubkeys table to store the address version.
+        We're going to trash all of our pubkeys and let them be redownloaded.
+        """
         self.cur.execute('''DROP TABLE pubkeys''')
         self.cur.execute(
             '''CREATE TABLE pubkeys (hash blob, addressversion int, transmitdata blob, time int,'''
@@ -91,8 +97,10 @@ def versionFour(self):
         self.cur.execute(item, parameters)
 
     def versionFive(self):
-        # Add a new table: objectprocessorqueue with which to hold objects
-        # that have yet to be processed if the user shuts down Bitmessage.
+        """
+        Add a new table: objectprocessorqueue with which to hold objects
+        that have yet to be processed if the user shuts down Bitmessage.
+        """
         self.cur.execute('''DROP TABLE knownnodes''')
         self.cur.execute(
             '''CREATE TABLE objectprocessorqueue'''
@@ -102,9 +110,11 @@ def versionFive(self):
         self.cur.execute(item, parameters)
 
     def versionSix(self):
-        # changes related to protocol v3
-        # In table inventory and objectprocessorqueue, objecttype is now
-        # an integer (it was a human-friendly string previously)
+        """
+        changes related to protocol v3
+        In table inventory and objectprocessorqueue, objecttype is now
+        an integer (it was a human-friendly string previously)
+        """
         logger.debug(
             'In messages.dat database, dropping and recreating'
             ' the inventory table.')
@@ -124,9 +134,11 @@ def versionSix(self):
             'Finished dropping and recreating the inventory table.')
 
     def versionSeven(self):
-        # The format of data stored in the pubkeys table has changed. Let's
-        # clear it, and the pubkeys from inventory, so that they'll
-        # be re-downloaded.
+        """
+        The format of data stored in the pubkeys table has changed. Let's
+        clear it, and the pubkeys from inventory, so that they'll
+        be re-downloaded.
+        """
         logger.debug(
             'In messages.dat database, clearing pubkeys table'
             ' because the data format has been updated.')
@@ -144,9 +156,11 @@ def versionSeven(self):
         logger.debug('Finished clearing currently held pubkeys.')
 
     def versionEight(self):
-        # Add a new column to the inbox table to store the hash of
-        # the message signature. We'll use this as temporary message UUID
-        # in order to detect duplicates.
+        """
+        Add a new column to the inbox table to store the hash of
+        the message signature. We'll use this as temporary message UUID
+        in order to detect duplicates.
+        """
         logger.debug(
             'In messages.dat database, adding sighash field to'
             ' the inbox table.')
@@ -158,8 +172,10 @@ def versionEight(self):
         self.cur.execute(item, parameters)
 
     def versionNine(self):
-        # We'll also need a `sleeptill` field and a `ttl` field. Also we
-        # can combine the pubkeyretrynumber and msgretrynumber into one.
+        """
+        We'll also need a `sleeptill` field and a `ttl` field. Also we
+        can combine the pubkeyretrynumber and msgretrynumber into one.
+        """
         logger.info(
             'In messages.dat database, making TTL-related changes:'
             ' combining the pubkeyretrynumber and msgretrynumber'
@@ -221,7 +237,7 @@ def versionNine(self):
         self.cur.execute('''update settings set value=10 WHERE key='version';''')
 
     def versionTen(self):
-        # Update the address colunm to unique in addressbook table
+        """Update the address colunm to unique in addressbook table"""
         logger.debug(
             'In messages.dat database, updating address column to UNIQUE'
             ' in the addressbook table.')