clean up prev commit

gui/qt/contact_list.py

@@ -23,7 +23,6 @@
 # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 import webbrowser
-import os
 
 from electrum.i18n import _
 from electrum.bitcoin import is_address

gui/qt/invoice_list.py

@@ -23,10 +23,11 @@
 # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-from .util import *
 from electrum.i18n import _
 from electrum.util import format_time
 
+from .util import *
+
 
 class InvoiceList(MyTreeWidget):
     filter_columns = [0, 1, 2, 3]  # Date, Requestor, Description, Amount

gui/qt/main_window.py

@@ -39,15 +39,14 @@ import PyQt5.QtCore as QtCore
 from .exception_window import Exception_Hook
 from PyQt5.QtWidgets import *
 
-from electrum.util import bh2u, bfh
-
 from electrum import keystore, simple_config
 from electrum.bitcoin import COIN, is_address, TYPE_ADDRESS, NetworkConstants
 from electrum.plugins import run_hook
 from electrum.i18n import _
 from electrum.util import (format_time, format_satoshis, PrintError,
                            format_satoshis_plain, NotEnoughFunds,
-                           UserCancelled, NoDynamicFeeEstimates)
+                           UserCancelled, NoDynamicFeeEstimates, profiler,
+                           export_meta, import_meta, bh2u, bfh)
 from electrum import Transaction
 from electrum import util, bitcoin, commands, coinchooser
 from electrum import paymentrequest
@@ -58,10 +57,8 @@ from .qrcodewidget import QRCodeWidget, QRDialog
 from .qrtextedit import ShowQRTextEdit, ScanQRTextEdit
 from .transaction_dialog import show_transaction
 from .fee_slider import FeeSlider
-
 from .util import *
 
-from electrum.util import profiler, export_meta, import_meta
 
 class StatusBarButton(QPushButton):
     def __init__(self, icon, tooltip, func):
@@ -2420,16 +2417,16 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, PrintError):
 
     def do_import_labels(self):
         def import_labels(path):
-            #TODO: Import labels validation
-            def import_labels_validate(data):
-                return data
+            def _validate(data):
+                return data  # TODO
+
             def import_labels_assign(data):
                 for key, value in data.items():
                     self.wallet.set_label(key, value)
-            import_meta(path, import_labels_validate, import_labels_assign)
+            import_meta(path, _validate, import_labels_assign)
+
         def on_import():
-            self.address_list.update()
-            self.history_list.update()
+            self.need_update.set()
         import_meta_gui(self, _('labels'), import_labels, on_import)
 
     def do_export_labels(self):

gui/qt/util.py

@@ -6,12 +6,15 @@ import queue
 from collections import namedtuple
 from functools import partial
 
-from electrum.i18n import _
 from PyQt5.QtGui import *
 from PyQt5.QtCore import *
 from PyQt5.QtWidgets import *
 
+from electrum.i18n import _
 from electrum.util import FileImportFailed, FileExportFailed
+from electrum.paymentrequest import PR_UNPAID, PR_PAID, PR_EXPIRED
+
+
 if platform.system() == 'Windows':
     MONOSPACE_FONT = 'Lucida Console'
 elif platform.system() == 'Darwin':
@@ -22,8 +25,6 @@ else:
 
 dialogs = []
 
-from electrum.paymentrequest import PR_UNPAID, PR_PAID, PR_EXPIRED
-
 pr_icons = {
     PR_UNPAID:":icons/unpaid.png",
     PR_PAID:":icons/confirmed.png",
@@ -675,8 +676,10 @@ class AcceptFileDragDrop:
     def onFileAdded(self, fn):
         raise NotImplementedError()
 
+
 def import_meta_gui(electrum_window, title, importer, on_success):
-    filename = electrum_window.getOpenFileName(_("Open {} file").format(title)  , "*.json")
+    filter_ = "JSON (*.json);;All files (*)"
+    filename = electrum_window.getOpenFileName(_("Open {} file").format(title), filter_)
     if not filename:
         return
     try:
@@ -684,11 +687,14 @@ def import_meta_gui(electrum_window, title, importer, on_success):
     except FileImportFailed as e:
         electrum_window.show_critical(str(e))
     else:
-       electrum_window.show_message(_("Your {} were successfully imported" ).format(title))
+        electrum_window.show_message(_("Your {} were successfully imported").format(title))
         on_success()
 
+
 def export_meta_gui(electrum_window, title, exporter):
-    filename = electrum_window.getSaveFileName(_("Select file to save your {}").format(title), 'electrum_{}.json'.format(title), "*.json")
+    filter_ = "JSON (*.json);;All files (*)"
+    filename = electrum_window.getSaveFileName(_("Select file to save your {}").format(title),
+                                               'electrum_{}.json'.format(title), filter_)
     if not filename:
         return
     try:
@@ -696,7 +702,9 @@ def export_meta_gui(electrum_window, title, exporter):
     except FileExportFailed as e:
         electrum_window.show_critical(str(e))
     else:
-        electrum_window.show_message(_("Your {0} were exported to '{1}'").format(title,str(filename)))
+        electrum_window.show_message(_("Your {0} were exported to '{1}'")
+                                     .format(title, str(filename)))
+
 
 if __name__ == "__main__":
     app = QApplication([])

lib/contacts.py

@@ -25,7 +25,6 @@ import dns
 import json
 import traceback
 import sys
-import os
 
 from . import bitcoin
 from . import dnssec
@@ -52,14 +51,14 @@ class Contacts(dict):
         self.storage.put('contacts', dict(self))
 
     def import_file(self, path):
-        import_meta(path, self.validate, self.load_meta)
+        import_meta(path, self._validate, self.load_meta)
 
     def load_meta(self, data):
         self.update(data)
         self.save()
 
-    def export_file(self, fileName):
-        export_meta(self, fileName)
+    def export_file(self, filename):
+        export_meta(self, filename)
 
     def __setitem__(self, key, value):
         dict.__setitem__(self, key, value)
@@ -117,14 +116,14 @@ class Contacts(dict):
         except AttributeError:
             return None
             
-    def validate(self, data):
-        for k,v in list(data.items()):
+    def _validate(self, data):
+        for k, v in list(data.items()):
             if k == 'contacts':
                 return self._validate(v)
             if not bitcoin.is_address(k):
                 data.pop(k)
             else:
-                _type,_ = v
+                _type, _ = v
                 if _type != 'address':
                     data.pop(k)
         return data

lib/paymentrequest.py

@@ -468,31 +468,29 @@ class InvoiceStore(object):
                 continue
 
     def import_file(self, path):
-        import_meta(path, self.validate, self.on_import)
-
-    #TODO: Invoice import validation
-    def validate(self, data):
-        return data
+        def validate(data):
+            return data  # TODO
+        import_meta(path, validate, self.on_import)
 
     def on_import(self, data):
         self.load(data)
         self.save()
 
-    def export_file(self, fileName):
-        export_meta(self.before_save(), fileName)
+    def export_file(self, filename):
+        export_meta(self.dump(), filename)
 
-    def before_save(self):
-        l= {}
+    def dump(self):
+        d = {}
         for k, pr in self.invoices.items():
-            l[k] = {
+            d[k] = {
                 'hex': bh2u(pr.raw),
                 'requestor': pr.requestor,
                 'txid': pr.tx
             }
-        return l
+        return d
 
     def save(self):
-        self.storage.put('invoices', self.before_save())
+        self.storage.put('invoices', self.dump())
 
     def get_status(self, key):
         pr = self.get(key)

lib/util.py

@@ -66,12 +66,14 @@ class FileImportFailed(Exception):
     def __str__(self):
         return _("Failed to import from file.") + "\n" + self.message
 
+
 class FileExportFailed(Exception):
-    def __init__(self, reason=''):
-        self.message = str(reason)
+    def __init__(self, message=''):
+        self.message = str(message)
 
     def __str__(self):
-        return( _("Failed to export to file.") + "\n" + self.message )
+        return _("Failed to export to file.") + "\n" + self.message
+
 
 # Throw this exception to unwind the stack like when an error occurs.
 # However unlike other exceptions the user won't be informed.
@@ -788,6 +790,7 @@ def setup_thread_excepthook():
 def versiontuple(v):
     return tuple(map(int, (v.split("."))))
 
+
 def import_meta(path, validater, load_meta):
     try:
         with open(path, 'r') as f:
@@ -801,10 +804,11 @@ def import_meta(path, validater, load_meta):
         traceback.print_exc(file=sys.stdout)
         raise FileImportFailed(e)
 
+
 def export_meta(meta, fileName):
     try:
         with open(fileName, 'w+') as f:
             json.dump(meta, f, indent=4, sort_keys=True)
-     except (IOError, os.error) as reason:
+    except (IOError, os.error) as e:
         traceback.print_exc(file=sys.stderr)
-         raise FileExportFailed(str(reason))
+        raise FileExportFailed(e)