Add Login screen

src/bitmessagekivy/baseclass/login.py

@@ -0,0 +1,96 @@
+# pylint: disable=no-member, too-many-arguments, too-few-public-methods
+# pylint: disable=no-name-in-module, unused-argument, arguments-differ
+
+"""
+Login screen appears when the App is first time starts and when new Address is generated.
+"""
+
+
+from kivy.clock import Clock
+from kivy.properties import StringProperty, BooleanProperty
+from kivy.uix.boxlayout import BoxLayout
+from kivy.uix.screenmanager import Screen
+from kivy.app import App
+
+from backend.address_generator import AddressGenerator  # pylint: disable=import-error
+from kivymd.uix.behaviors.elevation import RectangularElevationBehavior
+from bitmessagekivy.baseclass.common import toast
+from bmconfigparser import config
+
+
+class Login(Screen):
+    """Login Screeen class for kivy Ui"""
+    log_text1 = (
+        'You may generate addresses by using either random numbers'
+        ' or by using a passphrase If you use a passphrase, the address'
+        ' is called a deterministic; address The Random Number option is'
+        ' selected by default but deterministic addresses have several pros'
+        ' and cons:')
+    log_text2 = ('If talk about pros You can recreate your addresses on any computer'
+                 ' from memory, You need-not worry about backing up your keys.dat file'
+                 ' as long as you can remember your passphrase and aside talk about cons'
+                 ' You must remember (or write down) your  You must remember the address'
+                 ' version number and the stream number along with your passphrase If you'
+                 ' choose a weak passphrase and someone on the Internet can brute-force it,'
+                 ' they can read your messages and send messages as you')
+
+
+class Random(Screen):
+    """Random Screen class for Ui"""
+
+    is_active = BooleanProperty(False)
+    checked = StringProperty("")
+
+    def generateaddress(self):
+        """Method for Address Generator"""
+        entered_label = str(self.ids.add_random_bx.children[0].ids.lab.text).strip()
+        if not entered_label:
+            self.ids.add_random_bx.children[0].ids.lab.focus = True
+        is_address = AddressGenerator.random_address_generation(
+            entered_label, streamNumberForAddress=1, eighteenByteRipe=False,
+            nonceTrialsPerByte=1000, payloadLengthExtraBytes=1000
+        )
+        if is_address:
+            toast('Creating New Address ...')
+            self.parent.parent.ids.toolbar.opacity = 1
+            self.parent.parent.ids.toolbar.disabled = False
+            App.get_running_app().loadMyAddressScreen(True)
+            self.manager.current = 'myaddress'
+            Clock.schedule_once(self.address_created_callback, 6)
+
+    def address_created_callback(self, dt=0):
+        """New address created"""
+        App.get_running_app().loadMyAddressScreen(False)
+        App.get_running_app().root.ids.sc10.ids.ml.clear_widgets()
+        App.get_running_app().root.ids.sc10.is_add_created = True
+        App.get_running_app().root.ids.sc10.init_ui()
+        self.reset_address_spinner()
+        toast('New address created')
+
+    def reset_address_spinner(self):
+        """reseting spinner address and UI"""
+        addresses = [addr for addr in config.addresses()
+                     if config.get(str(addr), 'enabled') == 'true']
+        self.manager.parent.ids.content_drawer.ids.btn.values = []
+        self.manager.parent.ids.sc3.children[1].ids.btn.values = []
+        self.manager.parent.ids.content_drawer.ids.btn.values = addresses
+        self.manager.parent.ids.sc3.children[1].ids.btn.values = addresses
+
+    @staticmethod
+    def add_validation(instance):
+        """Retrieve created labels and validate"""
+        entered_label = str(instance.text.strip())
+        AddressGenerator.address_validation(instance, entered_label)
+
+    def reset_address_label(self):
+        """Resetting address labels"""
+        if not self.ids.add_random_bx.children:
+            self.ids.add_random_bx.add_widget(RandomBoxlayout())
+
+
+class InfoLayout(BoxLayout, RectangularElevationBehavior):
+    """InfoLayout class for kivy Ui"""
+
+
+class RandomBoxlayout(BoxLayout):
+    """RandomBoxlayout class for BoxLayout behaviour"""