Merge pull request #34 from jaicis/py3qualityfixes

Code quality fixes

src/api.py

@@ -31,7 +31,7 @@ import shared
 import shutdown
 import state
 
-from addresses import addBMIfNotPresent, calculateInventoryHash, decodeAddress,   decodeVarint, varintDecodeError
+from addresses import addBMIfNotPresent, calculateInventoryHash, decodeAddress, decodeVarint, varintDecodeError
 from bmconfigparser import BMConfigParser
 from debug import logger
 from helper_ackPayload import genAckPayload

src/bitmessagekivy/mpybit.py

@@ -47,12 +47,8 @@ from kivymd.uix.list import (
     ILeftBodyTouch,
     IRightBodyTouch,
     TwoLineAvatarIconListItem,
-    TwoLineListItem,
     OneLineIconListItem,
-    OneLineAvatarListItem,
-    IRightBody,
     OneLineAvatarIconListItem,
-    IRightBodyTouch,
     OneLineListItem
 )
 # from kivymd.uix.navigationdrawer import (
@@ -60,7 +56,6 @@ from kivymd.uix.list import (
 #     NavigationDrawerHeaderBase
 # )
 from kivymd.uix.selectioncontrol import MDCheckbox
-from kivymd.theming import ThemeManager
 
 import queues
 from semaphores import kivyuisignaler
@@ -69,10 +64,12 @@ import state
 from addresses import decodeAddress
 
 
-KVFILES = ['settings', 'popup', 'allmails', 'draft',
+KVFILES = [
-            'maildetail', 'common_widgets', 'addressbook',
+    'settings', 'popup', 'allmails', 'draft',
-            'myaddress', 'composer', 'payment', 'sent',
+    'maildetail', 'common_widgets', 'addressbook',
-            'network', 'login', 'credits', 'trash', 'inbox']
+    'myaddress', 'composer', 'payment', 'sent',
+    'network', 'login', 'credits', 'trash', 'inbox'
+]
 
 
 def toast(text):
@@ -151,7 +148,7 @@ class Inbox(Screen):
                 valign='top')
             self.ids.ml.add_widget(content)
 
-    def set_inboxCount(self, msgCnt):
+    def set_inboxCount(self, msgCnt):  # pylint: disable=no-self-use
         """This method is used to sent inbox message count"""
         src_mng_obj = state.kivyapp.root.ids.content_drawer.ids.inbox_cnt
         src_mng_obj.children[0].children[0].text = showLimitedCnt(int(msgCnt))
@@ -386,7 +383,7 @@ class MyAddress(Screen):
         def refresh_callback(interval):
             """Method used for loading the myaddress screen data"""
             state.searcing_text = ''
-            #state.kivyapp.root.ids.sc10.children[2].active = False
+            # state.kivyapp.root.ids.sc10.children[2].active = False
             # self.children[2].children[2].ids.search_field.text = ''
             self.children[3].children[2].ids.search_field.text = ''
             self.has_refreshed = True
@@ -539,7 +536,7 @@ class SelectableLabel(RecycleDataViewBehavior, Label):
         return super(SelectableLabel, self).refresh_view_attrs(
             rv, index, data)
 
-    def on_touch_down(self, touch):
+    def on_touch_down(self, touch):  # pylint: disable=inconsistent-return-statements
         """Add selection on touch down"""
         if super(SelectableLabel, self).on_touch_down(touch):
             return True
@@ -1136,7 +1133,7 @@ class Trash(Screen):
             " ORDER BY actionTime DESC limit {1}, {2}".format(
                 state.association, start_indx, end_indx))
 
-    def set_TrashCnt(self, Count):
+    def set_TrashCnt(self, Count):  # pylint: disable=no-self-use
         """This method is used to set trash message count"""
         trashCnt_obj = state.kivyapp.root.ids.content_drawer.ids.trash_cnt
         trashCnt_obj.children[0].children[0].text = showLimitedCnt(int(Count))
@@ -1284,7 +1281,7 @@ class NavigateApp(MDApp):
         """Method builds the widget"""
         for kv_file in KVFILES:
             Builder.load_file(
-                os.path.join(os.path.dirname(__file__),f"kv/{kv_file}.kv"))
+                os.path.join(os.path.dirname(__file__), f"kv/{kv_file}.kv"))
         self.obj_1 = AddressBook()
         kivysignalthread = UIkivySignaler()
         kivysignalthread.daemon = True
@@ -1408,6 +1405,7 @@ class NavigateApp(MDApp):
         return False
 
     def on_key(self, window, key, *args):
+        # pylint: disable=inconsistent-return-statements
         """Method is used for going on previous screen"""
         if key == 27:
             if state.in_search_mode and self.root.ids.scr_mngr.current != (
@@ -1469,7 +1467,7 @@ class NavigateApp(MDApp):
 
     def loadMyAddressScreen(self, action):
         """loadMyAddressScreen method spin the loader"""
-        if len(self.root.ids.sc10.children) <=3:
+        if len(self.root.ids.sc10.children) <= 3:
             self.root.ids.sc10.children[1].active = action
         else:
             self.root.ids.sc10.children[2].active = action
@@ -1681,7 +1679,7 @@ class NavigateApp(MDApp):
         """Show identicon in address spinner"""
         img = identiconGeneration.generate(text)
         self.root.children[0].children[0].ids.btn.children[1].texture = (img.texture)
-        #below line is for displaing logo
+        # below line is for displaing logo
         self.root.ids.content_drawer.ids.top_box.children[0].texture = (img.texture)
 
     def set_mail_detail_header(self):
@@ -1735,7 +1733,7 @@ class NavigateApp(MDApp):
             except Exception:
                 self.root.ids.sc17.children[0].children[1].active = False
 
-    def on_request_close(self, *args):
+    def on_request_close(self, *args):  # pylint: disable=no-self-use
         """This method is for app closing request"""
         AppClosingPopup().open()
         return True
@@ -1874,7 +1872,6 @@ class IconRightSampleWidget(IRightBodyTouch, MDCheckbox):
     pass
 
 
-
 class MailDetail(Screen):
     """MailDetail Screen uses to show the detail of mails"""
 
@@ -2128,8 +2125,8 @@ class ShowQRCode(Screen):
         from kivy.garden.qrcode import QRCodeWidget
         try:
             address = self.manager.get_parent_window().children[0].address
-        except Exception as e:
+        except Exception:
-             address = self.manager.get_parent_window().children[1].address
+            address = self.manager.get_parent_window().children[1].address
         self.ids.qr.add_widget(QRCodeWidget(data=address))
         toast('Show QR code')
 
@@ -2189,7 +2186,7 @@ class Draft(Screen):
             xAddress, self.account, "draft", where, what,
             False, start_indx, end_indx)
 
-    def set_draftCnt(self, Count):
+    def set_draftCnt(self, Count):  # pylint: disable=no-self-use
         """This method set the count of draft mails"""
         draftCnt_obj = state.kivyapp.root.ids.content_drawer.ids.draft_cnt
         draftCnt_obj.children[0].children[0].text = showLimitedCnt(int(Count))
@@ -2270,8 +2267,8 @@ class Draft(Screen):
         #     msg_count_objs = (
         #         self.parent.parent.parent.parent.parent.parent.children[
         #             2].children[0].ids)
-            # msg_count_objs = self.parent.parent.parent.parent.parent.children[
+        #     msg_count_objs = self.parent.parent.parent.parent.parent.children[
-            #     2].children[0].ids
+        #         2].children[0].ids
         if int(state.draft_count) > 0:
             # msg_count_objs.draft_cnt.badge_text = str(
             #     int(state.draft_count) - 1)
@@ -2394,7 +2391,7 @@ class Allmails(Screen):
             " ORDER BY actionTime DESC limit {1}, {2}".format(
                 self.account, start_indx, end_indx))
 
-    def set_AllmailCnt(self, Count):
+    def set_AllmailCnt(self, Count):  # pylint: disable=no-self-use
         """This method is used to set allmails message count"""
         allmailCnt_obj = state.kivyapp.root.ids.content_drawer.ids.allmail_cnt
         allmailCnt_obj.children[0].children[0].text = showLimitedCnt(int(Count))
@@ -2565,6 +2562,7 @@ class AddressDropdown(OneLineIconListItem):
 
 
 class BadgeText(IRightBodyTouch, MDLabel):
+    """Class for badgetext"""
     pass
 
 
@@ -2610,6 +2608,7 @@ class AppClosingPopup(Popup):
         super(AppClosingPopup, self).__init__(**kwargs)
 
     def closingAction(self, text):
+        """Action on closing window"""
         if text == 'Yes':
             print("*******************EXITING FROM APPLICATION*******************")
             import shutdown

src/bitmessagemain.py

@@ -371,6 +371,7 @@ class Main(object):
 
             elif state.kivy:
                 config.remove_option('bitmessagesettings', 'dontconnect')
+                # pylint: disable=no-member, import-error
                 from bitmessagekivy.mpybit import NavigateApp
                 state.kivyapp = NavigateApp()
                 state.kivyapp.run()

src/knownnodes.py

@@ -126,7 +126,7 @@ def readKnownNodes():
                 except ValueError:
                     source.seek(0)
                     pickle_deserialize_old_knownnodes(source)
-    except (IOError, OSError, KeyError, EOFError,pickle.UnpicklingError):
+    except (IOError, OSError, KeyError, EOFError, pickle.UnpicklingError):
         logger.debug(
             'Failed to read nodes from knownnodes.dat', exc_info=True)
         createDefaultKnownNodes()

src/messagetypes/__init__.py

@@ -16,7 +16,7 @@ logger = logging.getLogger('default')
 class MsgBase(object):  # pylint: disable=too-few-public-methods
     """Base class for message types"""
     def __init__(self):
-        self.data = {"": lower(type(self).__name__)}
+        self.data = {"": (type(self).__name__).lower()}
 
 
 def constructObject(data):

src/network/connectionpool.py

@@ -326,7 +326,7 @@ class BMConnectionPool(object):
 
                     try:
                         if type(chosen.host) == bytes:
-                            onion= '.onion'.encode()
+                            onion = '.onion'.encode()
                         else:
                             onion = '.onion'
                         if chosen.host.endswith(onion) and Proxy.onion_proxy:

src/protocol.py

@@ -105,7 +105,9 @@ def encodeHost(host):
         colon = ':'
         full_stop = '.'
     if host.find(onion) > -1:
-        return  '\xfd\x87\xd8\x7e\xeb\x43'.encode('raw_unicode_escape') + base64.b32decode(host.split(full_stop)[0], True)
+        return '\xfd\x87\xd8\x7e\xeb\x43'.encode(
+            'raw_unicode_escape') + base64.b32decode(
+                host.split(full_stop)[0], True)
     elif host.find(colon) == -1:
         return '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xFF\xFF'.encode('raw_unicode_escape') + \
             socket.inet_aton(host)
@@ -286,7 +288,7 @@ def isProofOfWorkSufficient(
 
 def CreatePacket(command, payload=''):
     """Construct and return a number of bytes from a payload"""
-    payload = payload if type(payload) in [bytes,bytearray] else payload.encode()
+    payload = payload if type(payload) in [bytes, bytearray] else payload.encode()
     payload_length = len(payload)
     checksum = hashlib.sha512(payload).digest()[0:4]
     byte = bytearray(Header.size + payload_length)
@@ -332,7 +334,7 @@ def assembleVersionMessage(remoteHost, remotePort, participatingStreams, server=
         (NODE_DANDELION if state.dandelion else 0)
     )
     # = 127.0.0.1. This will be ignored by the remote host. The actual remote connected IP will be used.
-    #python3 need to check
+    # python3 need to check
     payload += '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xFF\xFF'.encode('raw_unicode_escape') + pack('>L', 2130706433)
 
     # we have a separate extPort and incoming over clearnet

src/pyelliptic/arithmetic.py

@@ -51,6 +51,7 @@ def encode(val, base, minlen=0):
         result = code_string[0] * (minlen - len(result)) + result
     return result
 
+
 def decode(string, base):
     """Returns the decoded string"""
     code_string = get_code_string(base)

src/pyelliptic/openssl.py

@@ -699,7 +699,7 @@ def loadOpenSSL():
                 path.join(sys._MEIPASS, 'libssl.so'),
                 path.join(sys._MEIPASS, 'libcrypto.so.1.1.0'),
                 path.join(sys._MEIPASS, 'libssl.so.1.1.0'),
-                path.join(sys._MEIPASS,  'libcrypto.so.1.0.2'),
+                path.join(sys._MEIPASS, 'libcrypto.so.1.0.2'),
                 path.join(sys._MEIPASS, 'libssl.so.1.0.2'),
                 path.join(sys._MEIPASS, 'libcrypto.so.1.0.1'),
                 path.join(sys._MEIPASS, 'libssl.so.1.0.1'),