fix #4720

electrum/gui/kivy/nfc_scanner/__init__.py

@@ -1,3 +1,6 @@
+from kivy.uix.widget import Widget
+from kivy.properties import ObjectProperty
+
 __all__ = ('NFCBase', 'NFCScanner')
 
 class NFCBase(Widget):

electrum/gui/kivy/nfc_scanner/scanner_android.py

@@ -117,8 +117,8 @@ class ScannerAndroid(NFCBase):
             recTypes = []
             for record in ndefrecords:
                 recTypes.append({
-                    'type': ''.join(map(unichr, record.getType())),
-                    'payload': ''.join(map(unichr, record.getPayload()))
+                    'type': ''.join(map(chr, record.getType())),
+                    'payload': ''.join(map(chr, record.getPayload()))
                     })
 
             details['recTypes'] = recTypes

electrum/gui/kivy/nfc_scanner/scanner_dummy.py

@@ -3,6 +3,7 @@
 from . import NFCBase
 from kivy.clock import Clock
 from kivy.logger import Logger
+from kivy.app import App
 
 class ScannerDummy(NFCBase):
     '''This is the dummy interface that gets selected in case any other

electrum/gui/kivy/uix/dialogs/nfc_transaction.py

@@ -1,4 +1,8 @@
-class NFCTransactionDialog(AnimatedPopup):
+from kivy.properties import ObjectProperty, OptionProperty
+from kivy.factory import Factory
+
+
+class NFCTransactionDialog(Factory.AnimatedPopup):
 
     mode = OptionProperty('send', options=('send','receive'))
 
@@ -19,14 +23,14 @@ class NFCTransactionDialog(AnimatedPopup):
         sctr = self.ids.sctr
         if value:
             def _cmp(*l):
-                anim = Animation(rotation=2, scale=1, opacity=1)
+                anim = Factory.Animation(rotation=2, scale=1, opacity=1)
                 anim.start(sctr)
                 anim.bind(on_complete=_start)
 
             def _start(*l):
-                anim = Animation(rotation=350, scale=2, opacity=0)
+                anim = Factory.Animation(rotation=350, scale=2, opacity=0)
                 anim.start(sctr)
                 anim.bind(on_complete=_cmp)
             _start()
             return
-        Animation.cancel_all(sctr)
+        Factory.Animation.cancel_all(sctr)

electrum/gui/kivy/uix/drawer.py

@@ -10,6 +10,7 @@ from kivy.factory import Factory
 from kivy.properties import OptionProperty, NumericProperty, ObjectProperty
 from kivy.clock import Clock
 from kivy.lang import Builder
+from kivy.logger import Logger
 
 import gc
 

electrum/gui/kivy/uix/menus.py

@@ -1,95 +0,0 @@
-from functools import partial
-
-from kivy.animation import Animation
-from kivy.core.window import Window
-from kivy.clock import Clock
-from kivy.uix.bubble import Bubble, BubbleButton
-from kivy.properties import ListProperty
-from kivy.uix.widget import Widget
-
-from ..i18n import _
-
-class ContextMenuItem(Widget):
-    '''abstract class
-    '''
-
-class ContextButton(ContextMenuItem, BubbleButton):
-    pass
-
-class ContextMenu(Bubble):
-
-    buttons = ListProperty([_('ok'), _('cancel')])
-    '''List of Buttons to be displayed at the bottom'''
-
-    __events__ = ('on_press', 'on_release')
-
-    def __init__(self, **kwargs):
-        self._old_buttons = self.buttons
-        super(ContextMenu, self).__init__(**kwargs)
-        self.on_buttons(self, self.buttons)
-
-    def on_touch_down(self, touch):
-        if not self.collide_point(*touch.pos):
-            self.hide()
-            return
-        return super(ContextMenu, self).on_touch_down(touch)
-
-    def on_buttons(self, _menu, value):
-        if 'menu_content' not in self.ids.keys():
-            return
-        if value == self._old_buttons:
-            return
-        blayout = self.ids.menu_content
-        blayout.clear_widgets()
-        for btn in value:
-            ib = ContextButton(text=btn)
-            ib.bind(on_press=partial(self.dispatch, 'on_press'))
-            ib.bind(on_release=partial(self.dispatch, 'on_release'))
-            blayout.add_widget(ib)
-        self._old_buttons = value
-
-    def on_press(self, instance):
-        pass
-
-    def on_release(self, instance):
-        pass
-
-    def show(self, pos, duration=0):
-        Window.add_widget(self)
-        # wait for the bubble to adjust it's size according to text then animate
-        Clock.schedule_once(lambda dt: self._show(pos, duration))
-
-    def _show(self, pos, duration):
-        def on_stop(*l):
-            if duration:
-                Clock.schedule_once(self.hide, duration + .5)
-
-        self.opacity = 0
-        arrow_pos = self.arrow_pos
-        if arrow_pos[0] in ('l', 'r'):
-            pos = pos[0], pos[1] - (self.height/2)
-        else:
-            pos = pos[0] - (self.width/2), pos[1]
-
-        self.limit_to = Window
-
-        anim = Animation(opacity=1, pos=pos, d=.32)
-        anim.bind(on_complete=on_stop)
-        anim.cancel_all(self)
-        anim.start(self)
-
-
-    def hide(self, *dt):
-
-        def on_stop(*l):
-            Window.remove_widget(self)
-        anim = Animation(opacity=0, d=.25)
-        anim.bind(on_complete=on_stop)
-        anim.cancel_all(self)
-        anim.start(self)
-
-    def add_widget(self, widget, index=0):
-        if not isinstance(widget, ContextMenuItem):
-            super(ContextMenu, self).add_widget(widget, index)
-            return
-        menu_content.add_widget(widget, index)

electrum/paymentrequest.py

@@ -370,8 +370,7 @@ def verify_cert_chain(chain):
             hashBytes = bytearray(hashlib.sha512(data).digest())
             verify = pubkey.verify(sig, x509.PREFIX_RSA_SHA512 + hashBytes)
         else:
-            raise Exception("Algorithm not supported")
-            util.print_error(self.error, algo.getComponentByName('algorithm'))
+            raise Exception("Algorithm not supported: {}".format(algo))
         if not verify:
             raise Exception("Certificate not Signed by Provided CA Certificate Chain")
 

electrum/scripts/block_headers.py

@@ -3,6 +3,8 @@
 # A simple script that connects to a server and displays block headers
 
 import time
+import sys
+
 from .. import SimpleConfig, Network
 from electrum.util import print_msg, json_encode