Fix flake8 issues

src/bitmessagekivy/main.kv

@@ -43,7 +43,7 @@ BoxLayout:
     orientation: 'vertical'
     Toolbar:
         id: toolbar
-        title: 'PyBitmessage'
+        title: app.getCurrentAccount()
         background_color: app.theme_cls.primary_dark
         left_action_items: [['menu', lambda x: app.nav_drawer.toggle()]]
         Button:
@@ -51,7 +51,7 @@ BoxLayout:
             color: 0,0,0,1
             background_color: (0,0,0,0)
             size_hint_y: 0.4
-            size_hint_x: 0.5
+            size_hint_x: 0.1
             pos_hint: {'x': 0.8, 'y':0.4}
             on_press: app.say_exit()
 

src/bitmessagekivy/mpybit.py

@@ -1,43 +1,41 @@
-import os
 import kivy_helper_search
+import os
 import queues
-import random
 import shutdown
 import time
 
 from kivy.app import App
 from kivy.lang import Builder
-from kivy.uix.boxlayout import BoxLayout
 from kivy.properties import BooleanProperty
-from kivy.uix.button import Button
 from kivy.clock import Clock
-from kivy.uix.floatlayout import FloatLayout
-from kivy.uix.image import Image
-from kivy.uix.label import Label
-from kivy.uix.listview import ListItemButton
 from navigationdrawer import NavigationDrawer
-from kivy.properties import ObjectProperty, StringProperty, ListProperty, NumericProperty
+from kivy.properties import ObjectProperty, StringProperty, ListProperty
 from kivy.uix.screenmanager import Screen
 from kivy.uix.textinput import TextInput
 from kivymd.theming import ThemeManager
 from kivymd.toolbar import Toolbar
-from kivy.uix.widget import Widget
 from bmconfigparser import BMConfigParser
 from helper_ackPayload import genAckPayload
 from addresses import decodeAddress, addBMIfNotPresent
 from helper_sql import sqlExecute
 
 statusIconColor = 'red'
-avatarlist = os.listdir("images/ngletteravatar")
 global belonging
 belonging = ''
 
 
 class NavigateApp(App, TextInput):
+    """Application uses kivy in which base Class of Navigate App inherits from the App class."""
+
     theme_cls = ThemeManager()
     nav_drawer = ObjectProperty()
 
     def build(self):
+        """Return a main_widget as a root widget.
+
+        An application can be built if you return a widget on build(), or if you set
+        self.root.
+        """
         global main_widget
         main_widget = Builder.load_file(
             os.path.join(os.path.dirname(__file__), 'main.kv'))
@@ -45,6 +43,7 @@ class NavigateApp(App, TextInput):
         return main_widget
 
     def getCurrentAccountData(self, text):
+        """Get Current Address Account Data."""
         global belonging
         belonging = text
         main_widget.ids.sc1.clear_widgets()
@@ -53,22 +52,27 @@ class NavigateApp(App, TextInput):
         main_widget.ids.sc1.add_widget(Inbox())
         main_widget.ids.sc2.add_widget(Sent())
         main_widget.ids.sc3.add_widget(Trash())
+        main_widget.ids.toolbar.title = BMConfigParser().get(
+            belonging, 'label') + '({})'.format(belonging)
         Inbox()
         Sent()
         Trash()
 
     def say_exit(self):
+        """Exit the application as uses shutdown PyBitmessage."""
         print("**************************EXITING FROM APPLICATION*****************************")
         App.get_running_app().stop()
         shutdown.doCleanShutdown()
 
     def showmeaddresses(self, name="text"):
+        """Show the addresses in spinner to make as dropdown."""
         if name == "text":
             return BMConfigParser().addresses()[0]
         elif name == "values":
             return BMConfigParser().addresses()
 
     def update_index(self, data_index, index):
+        """Update index after archieve message to trash."""
         if self.root.ids.scr_mngr.current == 'inbox':
             self.root.ids.sc1.data[data_index]['index'] = index
         elif self.root.ids.scr_mngr.current == 'sent':
@@ -77,14 +81,17 @@ class NavigateApp(App, TextInput):
             self.root.ids.sc3.data[data_index]['index'] = index
 
     def delete(self, data_index):
+        """It will make delete using remove function."""
         print("delete {}".format(data_index))
         self._remove(data_index)
 
     def archive(self, data_index):
+        """It will make archieve using remove function."""
         print("archive {}".format(data_index))
         self._remove(data_index)
 
     def _remove(self, data_index):
+        """It will remove message by resetting the values in recycleview data."""
         if self.root.ids.scr_mngr.current == 'inbox':
             self.root.ids.sc1.data.pop(data_index)
             self.root.ids.sc1.data = [{
@@ -114,19 +121,35 @@ class NavigateApp(App, TextInput):
             ]
 
     def getInboxMessageDetail(self, instance):
+        """It will get message detail after make selected message description."""
         try:
             self.root.ids.scr_mngr.current = 'page'
         except AttributeError:
             self.parent.manager.current = 'page'
         print('Message Clicked {}'.format(instance))
 
+    def getCurrentAccount(self):
+        """It uses to get current account label."""
+        global belonging
+        return BMConfigParser().get(belonging, 'label') + '({})'.format(belonging)
+
 
 class Navigator(NavigationDrawer):
+    """Navigator class uses NavigationDrawer.
+
+    It is an UI panel that shows our app's main navigation menu
+    It is hidden when not in use, but appears when the user swipes
+    a finger from the left edge of the screen or, when at the top
+    level of the app, the user touches the drawer icon in the app bar
+    """
+
     image_source = StringProperty('images/qidenticon_two.png')
     title = StringProperty('Navigation')
 
 
 class Inbox(Screen):
+    """Inbox Screen uses screen to show widgets of screens."""
+
     data = ListProperty()
 
     def __init__(self, *args, **kwargs):
@@ -148,7 +171,8 @@ class Inbox(Screen):
 
     def loadMessagelist(self, account, folder, where="", what="", unreadOnly=False):
         xAddress = "toaddress"
-        queryreturn = kivy_helper_search.search_sql(xAddress, account, folder, where, what, unreadOnly)
+        queryreturn = kivy_helper_search.search_sql(
+            xAddress, account, folder, where, what, unreadOnly)
         if queryreturn:
             self.data = [{
                 'data_index': i,
@@ -175,6 +199,8 @@ class AddressSuccessful(Screen):
 
 
 class Sent(Screen):
+    """Sent Screen uses screen to show widgets of screens."""
+
     data = ListProperty()
 
     def __init__(self, *args, **kwargs):
@@ -196,7 +222,8 @@ class Sent(Screen):
 
     def loadSent(self, account, where="", what=""):
         xAddress = 'fromaddress'
-        queryreturn = kivy_helper_search.search_sql(xAddress, account, "sent", where, what, False)
+        queryreturn = kivy_helper_search.search_sql(
+            xAddress, account, "sent", where, what, False)
         if queryreturn:
             self.data = [{
                 'data_index': i,
@@ -222,6 +249,8 @@ class Sent(Screen):
 
 
 class Trash(Screen):
+    """Trash Screen uses screen to show widgets of screens."""
+
     data = ListProperty()
 
     def __init__(self, *args, **kwargs):
@@ -243,7 +272,8 @@ class Trash(Screen):
 
     def loadTrashlist(self, account, folder, where="", what="", unreadOnly=False):
         xAddress = "toaddress"
-        queryreturn = kivy_helper_search.search_sql(xAddress, account, folder, where, what, unreadOnly)
+        queryreturn = kivy_helper_search.search_sql(
+            xAddress, account, folder, where, what, unreadOnly)
         if queryreturn:
             self.data = [{
                 'data_index': i,
@@ -270,6 +300,7 @@ class Test(Screen):
 
 
 class Create(Screen):
+    """Create Screen uses screen to show widgets of screens."""
 
     def __init__(self, *args, **kwargs):
         super(Create, self).__init__(*args, **kwargs)
@@ -279,7 +310,7 @@ class Create(Screen):
         pass
 
     def send(self):
-        # toAddress = self.ids.recipent.text
+        """Send message from one address to another."""
         fromAddress = self.ids.spinner_id.text
         # For now we are using static address i.e we are not using recipent field value.
         toAddress = "BM-2cWyUfBdY2FbgyuCb7abFZ49JYxSzUhNFe"
@@ -332,6 +363,7 @@ class Create(Screen):
                     return None
 
     def cancel(self):
+        """Reset values for send message."""
         self.ids.message.text = ''
         self.ids.spinner_id.text = '<select>'
         self.ids.subject.text = ''
@@ -340,11 +372,14 @@ class Create(Screen):
 
 
 class NewIdentity(Screen):
+    """Create new address for PyBitmessage."""
+
     is_active = BooleanProperty(False)
     checked = StringProperty("")
     # self.manager.parent.ids.create.children[0].source = 'images/plus-4-xxl.png'
 
     def generateaddress(self):
+        """Generate new address."""
         if self.checked == 'use a random number generator to make an address':
             queues.apiAddressGeneratorReturnQueue.queue.clear()
             streamNumberForAddress = 1
@@ -352,10 +387,16 @@ class NewIdentity(Screen):
             eighteenByteRipe = False
             nonceTrialsPerByte = 1000
             payloadLengthExtraBytes = 1000
+
             queues.addressGeneratorQueue.put((
-                'createRandomAddress', 4, streamNumberForAddress, label, 1, "", eighteenByteRipe, nonceTrialsPerByte, payloadLengthExtraBytes)
+                'createRandomAddress',
+                4, streamNumberForAddress,
+                label, 1, "", eighteenByteRipe,
+                nonceTrialsPerByte,
+                payloadLengthExtraBytes)
             )
             self.manager.current = 'add_sucess'
 
+
 if __name__ == '__main__':
     NavigateApp().run()