checking in python3 progress...

Dockerfile.test_py2

@@ -0,0 +1,27 @@
+# Dockerfile for testing PyBitmessage with Python 2
+# docker build -f Dockerfile.test_py2 .
+
+FROM ubuntu:xenial
+
+RUN apt-get update
+RUN apt-get install -yq --no-install-suggests --no-install-recommends \
+    build-essential libcap-dev python-all-dev python-setuptools virtualenv
+
+WORKDIR /home/bitmessage
+RUN ln -s src pybitmessage  # tests environment
+
+ENV VIRTUAL_ENV=/home/bitmessage/venv
+RUN virtualenv $VIRTUAL_ENV
+ENV PATH="$VIRTUAL_ENV/bin:$PATH"
+
+RUN python --version
+RUN pip --version
+
+ADD requirements.txt .
+RUN pip install -r requirements.txt
+
+ADD . .
+
+RUN python setup.py install
+RUN coverage run --source=src setup.py test
+RUN coverage report

Dockerfile.test_py3

@@ -0,0 +1,28 @@
+# Dockerfile for testing PyBitmessage with Python 3
+# docker build -f Dockerfile.test_py3 .
+
+FROM ubuntu:xenial
+
+RUN apt-get update
+RUN apt-get install -yq --no-install-suggests --no-install-recommends \
+    build-essential libcap-dev libssl-dev python3-all-dev python3-setuptools \
+    virtualenv
+
+WORKDIR /home/bitmessage
+RUN ln -s src pybitmessage  # tests environment
+
+ENV VIRTUAL_ENV=/home/bitmessage/venv
+RUN virtualenv -p python3 $VIRTUAL_ENV
+ENV PATH="$VIRTUAL_ENV/bin:$PATH"
+
+RUN python --version
+RUN pip --version
+
+ADD requirements.txt .
+RUN pip install -r requirements.txt
+
+ADD . .
+
+RUN python setup.py install
+RUN coverage run --source=src setup.py test
+RUN coverage report

requirements.txt

@@ -1,3 +1,6 @@
-python_prctl
+configparser
+coverage
+future
 psutil
 pycrypto
+python_prctl

src/bitmessagecurses/__init__.py

@@ -1,3 +1,7 @@
+from __future__ import print_function
+from __future__ import unicode_literals
+from __future__ import division
+from __future__ import absolute_import
 # Copyright (c) 2014 Luke Montalvo <lukemontalvo@gmail.com>
 # This file adds a alternative commandline interface, feel free to critique and fork
 # 
@@ -7,9 +11,17 @@
 #     * python2-pythondialog
 #  * dialog
 
+from future import standard_library
+standard_library.install_aliases()
+from builtins import chr
+from builtins import ascii
+from builtins import str
+from builtins import range
+from builtins import *
+from builtins import object
 import os
 import sys
-import StringIO
+import io
 from textwrap import *
 
 import time
@@ -23,7 +35,7 @@ from helper_sql import *
 from helper_ackPayload import genAckPayload
 
 from addresses import *
-import ConfigParser
+import configparser
 from bmconfigparser import BMConfigParser
 from inventory import Inventory
 import l10n
@@ -60,13 +72,13 @@ bwtype = "black"
 
 BROADCAST_STR = "[Broadcast subscribers]"
 
-class printLog:
+class printLog(object):
     def write(self, output):
         global log
         log += output
     def flush(self):
         pass
-class errLog:
+class errLog(object):
     def write(self, output):
         global log
         log += "!"+output
@@ -78,7 +90,7 @@ errlog = errLog()
 
 def cpair(a):
     r = curses.color_pair(a)
-    if r not in range(1, curses.COLOR_PAIRS-1):
+    if r not in list(range(1, curses.COLOR_PAIRS-1)):
         r = curses.color_pair(0)
     return r
 def ascii(s):
@@ -303,11 +315,11 @@ def handlech(c, stdscr):
                                 msg = ""
                                 for i, item in enumerate(data.split("\n")):
                                     msg += fill(item, replace_whitespace=False)+"\n"
-                                scrollbox(d, unicode(ascii(msg)), 30, 80)
+                                scrollbox(d, str(ascii(msg)), 30, 80)
                                 sqlExecute("UPDATE inbox SET read=1 WHERE msgid=?", inbox[inboxcur][0])
                                 inbox[inboxcur][7] = 1
                             else:
-                                scrollbox(d, unicode("Could not fetch message."))
+                                scrollbox(d, str("Could not fetch message."))
                         elif t == "2": # Mark unread
                             sqlExecute("UPDATE inbox SET read=0 WHERE msgid=?", inbox[inboxcur][0])
                             inbox[inboxcur][7] = 0
@@ -321,7 +333,7 @@ def handlech(c, stdscr):
                                     ischan = True
                                     break
                             if not addresses[i][1]:
-                                scrollbox(d, unicode("Sending address disabled, please either enable it or choose a different address."))
+                                scrollbox(d, str("Sending address disabled, please either enable it or choose a different address."))
                                 return
                             toaddr = m[2]
                             if ischan:
@@ -351,7 +363,7 @@ def handlech(c, stdscr):
                                     addrbook.append([label, addr])
                                     addrbook.reverse()
                             else:
-                                scrollbox(d, unicode("The selected address is already in the Address Book."))
+                                scrollbox(d, str("The selected address is already in the Address Book."))
                         elif t == "5": # Save message
                             set_background_title(d, "Save \""+inbox[inboxcur][5]+"\" as text file")
                             r, t = d.inputbox("Filename", init=inbox[inboxcur][5]+".txt")
@@ -365,11 +377,11 @@ def handlech(c, stdscr):
                                     fh.write(msg)
                                     fh.close()
                                 else:
-                                    scrollbox(d, unicode("Could not fetch message."))
+                                    scrollbox(d, str("Could not fetch message."))
                         elif t == "6": # Move to trash
                             sqlExecute("UPDATE inbox SET folder='trash' WHERE msgid=?", inbox[inboxcur][0])
                             del inbox[inboxcur]
-                            scrollbox(d, unicode("Message moved to trash. There is no interface to view your trash, \nbut the message is still on disk if you are desperate to recover it."))
+                            scrollbox(d, str("Message moved to trash. There is no interface to view your trash, \nbut the message is still on disk if you are desperate to recover it."))
                 elif menutab == 2:
                     a = ""
                     if addresses[addrcur][3] != 0: # if current address is a chan
@@ -392,13 +404,13 @@ def handlech(c, stdscr):
                                 msg = ""
                                 for i, item in enumerate(data.split("\n")):
                                     msg += fill(item, replace_whitespace=False)+"\n"
-                                scrollbox(d, unicode(ascii(msg)), 30, 80)
+                                scrollbox(d, str(ascii(msg)), 30, 80)
                             else:
-                                scrollbox(d, unicode("Could not fetch message."))
+                                scrollbox(d, str("Could not fetch message."))
                         elif t == "2": # Move to trash
                             sqlExecute("UPDATE sent SET folder='trash' WHERE subject=? AND ackdata=?", sentbox[sentcur][4], sentbox[sentcur][6])
                             del sentbox[sentcur]
-                            scrollbox(d, unicode("Message moved to trash. There is no interface to view your trash, \nbut the message is still on disk if you are desperate to recover it."))
+                            scrollbox(d, str("Message moved to trash. There is no interface to view your trash, \nbut the message is still on disk if you are desperate to recover it."))
                 elif menutab == 4:
                     set_background_title(d, "Your Identities Dialog Box")
                     if len(addresses) <= addrcur:
@@ -416,7 +428,7 @@ def handlech(c, stdscr):
                     if r == d.DIALOG_OK:
                         if t == "1": # Create new address
                             set_background_title(d, "Create new address")
-                            scrollbox(d, unicode("Here you may generate as many addresses as you like.\n"
+                            scrollbox(d, str("Here you may generate as many addresses as you like.\n"
                                 "Indeed, creating and abandoning addresses is encouraged.\n"
                                 "Deterministic addresses have several pros and cons:\n"
                                 "\nPros:\n"
@@ -474,12 +486,12 @@ def handlech(c, stdscr):
                                                     choices=[("1", "Spend time shortening the address", 1 if shorten else 0)])
                                                 if r == d.DIALOG_OK and "1" in t:
                                                     shorten = True
-                                                scrollbox(d, unicode("In addition to your passphrase, be sure to remember the following numbers:\n"
+                                                scrollbox(d, str("In addition to your passphrase, be sure to remember the following numbers:\n"
                                                     "\n  * Address version number: "+str(4)+"\n"
                                                     "  * Stream number: "+str(stream)))
                                                 queues.addressGeneratorQueue.put(('createDeterministicAddresses', 4, stream, "unused deterministic address", number, str(passphrase), shorten))
                                         else:
-                                            scrollbox(d, unicode("Passphrases do not match"))
+                                            scrollbox(d, str("Passphrases do not match"))
                         elif t == "2": # Send a message
                             a = ""
                             if addresses[addrcur][3] != 0: # if current address is a chan
@@ -527,7 +539,7 @@ def handlech(c, stdscr):
                             a = addresses[addrcur][2]
                             set_background_title(d, "Special address behavior")
                             if BMConfigParser().safeGetBoolean(a, "chan"):
-                                scrollbox(d, unicode("This is a chan address. You cannot use it as a pseudo-mailing list."))
+                                scrollbox(d, str("This is a chan address. You cannot use it as a pseudo-mailing list."))
                             else:
                                 m = BMConfigParser().safeGetBoolean(a, "mailinglist")
                                 r, t = d.radiolist("Select address behavior",
@@ -543,7 +555,7 @@ def handlech(c, stdscr):
                                     elif t == "2" and m == False:
                                         try:
                                             mn = BMConfigParser().get(a, "mailinglistname")
-                                        except ConfigParser.NoOptionError:
+                                        except configparser.NoOptionError:
                                            mn = ""
                                         r, t = d.inputbox("Mailing list name", init=mn)
                                         if r == d.DIALOG_OK:
@@ -632,7 +644,7 @@ def handlech(c, stdscr):
                                         addrbook.append([t, addr])
                                         addrbook.reverse()
                                 else:
-                                    scrollbox(d, unicode("The selected address is already in the Address Book."))
+                                    scrollbox(d, str("The selected address is already in the Address Book."))
                         elif t == "4":
                             r, t = d.inputbox("Type in \"I want to delete this Address Book entry\"")
                             if r == d.DIALOG_OK and t == "I want to delete this Address Book entry":
@@ -771,20 +783,20 @@ def sendMessage(sender="", recv="", broadcast=None, subject="", body="", reply=F
                         err += "Some data encoded in the address is malformed. There might be something wrong with the software of your acquaintance."
                     else:
                         err += "It is unknown what is wrong with the address."
-                    scrollbox(d, unicode(err))
+                    scrollbox(d, str(err))
                 else:
                     addr = addBMIfNotPresent(addr)
                     if version > 4 or version <= 1:
                         set_background_title(d, "Recipient address error")
-                        scrollbox(d, unicode("Could not understand version number " + version + "of address" + addr + "."))
+                        scrollbox(d, str("Could not understand version number " + version + "of address" + addr + "."))
                         continue
                     if stream > 1 or stream == 0:
                         set_background_title(d, "Recipient address error")
-                        scrollbox(d, unicode("Bitmessage currently only supports stream numbers of 1, unlike as requested for address " + addr + "."))
+                        scrollbox(d, str("Bitmessage currently only supports stream numbers of 1, unlike as requested for address " + addr + "."))
                         continue
                     if not network.stats.connectedHostsList():
                         set_background_title(d, "Not connected warning")
-                        scrollbox(d, unicode("Because you are not currently connected to the network, "))
+                        scrollbox(d, str("Because you are not currently connected to the network, "))
                     stealthLevel = BMConfigParser().safeGetInt('bitmessagesettings', 'ackstealthlevel')
                     ackdata = genAckPayload(streamNumber, stealthLevel)
                     sqlExecute(
@@ -808,7 +820,7 @@ def sendMessage(sender="", recv="", broadcast=None, subject="", body="", reply=F
     else: # Broadcast
         if recv == "":
             set_background_title(d, "Empty sender error")
-            scrollbox(d, unicode("You must specify an address to send the message from."))
+            scrollbox(d, str("You must specify an address to send the message from."))
         else:
             # dummy ackdata, no need for stealth
             ackdata = genAckPayload(streamNumber, 0)

src/bitmessagekivy/kivy_helper_search.py

@@ -1,3 +1,10 @@
+from __future__ import unicode_literals
+from __future__ import print_function
+from __future__ import division
+from __future__ import absolute_import
+from future import standard_library
+standard_library.install_aliases()
+from builtins import *
 from helper_sql import *
 
 

src/bitmessagekivy/mpybit.py

@@ -1,4 +1,11 @@
-import kivy_helper_search
+from __future__ import print_function
+from __future__ import absolute_import
+from __future__ import unicode_literals
+from __future__ import division
+from future import standard_library
+standard_library.install_aliases()
+from builtins import *
+from . import kivy_helper_search
 import os
 import queues
 import shutdown
@@ -308,7 +315,7 @@ class Create(Screen):
         message = self.ids.message.text
         subject = self.ids.subject.text
         encoding = 3
-        print("message: ", self.ids.message.text)
+        print(("message: ", self.ids.message.text))
         sendMessageToPeople = True
         if sendMessageToPeople:
             if toAddress != '':

src/bitmessagemain.py

@@ -53,8 +53,7 @@ from bmconfigparser import BMConfigParser
 
 from inventory import Inventory
 
-from network.connectionpool import BMConnectionPool
-from network.dandelion import Dandelion
+from network.fix_circular_imports import BMConnectionPool, Dandelion
 from network.networkthread import BMNetworkThread
 from network.receivequeuethread import ReceiveQueueThread
 from network.announcethread import AnnounceThread
@@ -472,8 +471,8 @@ class Main:
         # signal.signal(signal.SIGINT, signal.SIG_DFL)
 
     def usage(self):
-        print 'Usage: ' + sys.argv[0] + ' [OPTIONS]'
-        print '''
+        print('Usage: ' + sys.argv[0] + ' [OPTIONS]')
+        print('''
 Options:
   -h, --help            show this help message and exit
   -c, --curses          use curses (text mode) interface
@@ -482,6 +481,7 @@ Options:
 
 All parameters are optional.
 '''
+        )
 
     def stop(self):
         with shared.printLock:

src/bitmessageqt/__init__.py

@@ -1,7 +1,17 @@
 """
 PyQt based UI for bitmessage, the main module
 """
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import unicode_literals
+from __future__ import print_function
 
+from future import standard_library
+standard_library.install_aliases()
+from builtins import str
+from builtins import range
+from builtins import *
+from past.utils import old_div
 import hashlib
 import locale
 import os
@@ -21,41 +31,41 @@ from debug import logger
 from tr import _translate
 from addresses import decodeAddress, addBMIfNotPresent
 import shared
-from bitmessageui import Ui_MainWindow
+from .bitmessageui import Ui_MainWindow
 from bmconfigparser import BMConfigParser
 import defaults
 import namecoin
-from messageview import MessageView
-from migrationwizard import Ui_MigrationWizard
-from foldertree import (
+from .messageview import MessageView
+from .migrationwizard import Ui_MigrationWizard
+from .foldertree import (
     AccountMixin, Ui_FolderWidget, Ui_AddressWidget, Ui_SubscriptionWidget,
     MessageList_AddressWidget, MessageList_SubjectWidget,
     Ui_AddressBookWidgetItemLabel, Ui_AddressBookWidgetItemAddress)
-from settings import Ui_settingsDialog
-import settingsmixin
-import support
+from .settings import Ui_settingsDialog
+from . import settingsmixin
+from . import support
 import debug
 from helper_ackPayload import genAckPayload
 from helper_sql import sqlQuery, sqlExecute, sqlExecuteChunked, sqlStoredProcedure
 import helper_search
 import l10n
 import openclpow
-from utils import str_broadcast_subscribers, avatarize
-from account import (
+from .utils import str_broadcast_subscribers, avatarize
+from .account import (
     getSortedAccounts, getSortedSubscriptions, accountClass, BMAccount,
     GatewayAccount, MailchuckAccount, AccountColor)
-import dialogs
+from . import dialogs
 from network.stats import pendingDownload, pendingUpload
-from uisignaler import UISignaler
+from .uisignaler import UISignaler
 import knownnodes
 import paths
 from proofofwork import getPowType
 import queues
 import shutdown
 import state
-from statusbar import BMStatusBar
+from .statusbar import BMStatusBar
 from network.asyncore_pollchoose import set_rates
-import sound
+from . import sound
 
 
 try:
@@ -404,7 +414,7 @@ class MyForm(settingsmixin.SMainWindow):
 
     def rerenderTabTreeSubscriptions(self):
         treeWidget = self.ui.treeWidgetSubscriptions
-        folders = Ui_FolderWidget.folderWeight.keys()
+        folders = list(Ui_FolderWidget.folderWeight.keys())
         folders.remove("new")
 
         # sort ascending when creating
@@ -452,7 +462,7 @@ class MyForm(settingsmixin.SMainWindow):
             # add missing folders
             if len(db[toAddress]) > 0:
                 j = 0
-                for f, c in db[toAddress].iteritems():
+                for f, c in db[toAddress].items():
                     try:
                         subwidget = Ui_FolderWidget(widget, j, toAddress, f, c['count'])
                     except KeyError:
@@ -491,7 +501,7 @@ class MyForm(settingsmixin.SMainWindow):
             treeWidget = self.ui.treeWidgetYourIdentities
         elif tab == 'chan':
             treeWidget = self.ui.treeWidgetChans
-        folders = Ui_FolderWidget.folderWeight.keys()
+        folders = list(Ui_FolderWidget.folderWeight.keys())
         
         # sort ascending when creating
         if treeWidget.topLevelItemCount() == 0:
@@ -572,7 +582,7 @@ class MyForm(settingsmixin.SMainWindow):
             # add missing folders
             if len(db[toAddress]) > 0:
                 j = 0
-                for f, c in db[toAddress].iteritems():
+                for f, c in db[toAddress].items():
                     if toAddress is not None and tab == 'messages' and folder == "new":
                         continue
                     subwidget = Ui_FolderWidget(widget, j, toAddress, f, c)
@@ -835,7 +845,7 @@ class MyForm(settingsmixin.SMainWindow):
         BMConfigParser().save()
 
     def updateHumanFriendlyTTLDescription(self, TTL):
-        numberOfHours = int(round(TTL / (60*60)))
+        numberOfHours = int(round(old_div(TTL, (60*60))))
         font = QtGui.QFont()
         stylesheet = ""
 
@@ -848,7 +858,7 @@ class MyForm(settingsmixin.SMainWindow):
             stylesheet = "QLabel { color : red; }"
             font.setBold(True)
         else:
-            numberOfDays = int(round(TTL / (24*60*60)))
+            numberOfDays = int(round(old_div(TTL, (24*60*60))))
             self.ui.labelHumanFriendlyTTLDescription.setText(_translate("MainWindow", "%n day(s)", None, QtCore.QCoreApplication.CodecForTr, numberOfDays))
             font.setBold(False)
         self.ui.labelHumanFriendlyTTLDescription.setStyleSheet(stylesheet)
@@ -955,7 +965,7 @@ class MyForm(settingsmixin.SMainWindow):
             # rrow = related.row(msgid), msgid should be QTableWidgetItem
             # related = related.findItems(msgid, QtCore.Qt.MatchExactly),
             # returns an empty list
-            for rrow in xrange(related.rowCount()):
+            for rrow in range(related.rowCount()):
                 if msgid == str(related.item(rrow, 3).data(
                         QtCore.Qt.UserRole).toPyObject()):
                     break
@@ -1022,7 +1032,7 @@ class MyForm(settingsmixin.SMainWindow):
             for i in range(root.childCount()):
                 addressItem = root.child(i)
                 if addressItem.type == AccountMixin.ALL:
-                    newCount = sum(totalUnread.itervalues())
+                    newCount = sum(totalUnread.values())
                     self.drawTrayIcon(self.currentTrayIconFileName, newCount)
                 else:
                     try:
@@ -1030,7 +1040,7 @@ class MyForm(settingsmixin.SMainWindow):
                             broadcastsUnread
                             if addressItem.type == AccountMixin.SUBSCRIPTION
                             else normalUnread
-                        )[addressItem.address].itervalues())
+                        )[addressItem.address].values())
                     except KeyError:
                         newCount = 0
                 if newCount != addressItem.unreadCount:
@@ -1073,9 +1083,9 @@ class MyForm(settingsmixin.SMainWindow):
         acct.parseMessage(toAddress, fromAddress, subject, "")
 
         items = []
-        MessageList_AddressWidget(items, str(toAddress), unicode(acct.toLabel, 'utf-8'))
-        MessageList_AddressWidget(items, str(fromAddress), unicode(acct.fromLabel, 'utf-8'))
-        MessageList_SubjectWidget(items, str(subject), unicode(acct.subject, 'utf-8', 'replace'))
+        MessageList_AddressWidget(items, str(toAddress), str(acct.toLabel, 'utf-8'))
+        MessageList_AddressWidget(items, str(fromAddress), str(acct.fromLabel, 'utf-8'))
+        MessageList_SubjectWidget(items, str(subject), str(acct.subject, 'utf-8', 'replace'))
 
         if status == 'awaitingpubkey':
             statusText = _translate(
@@ -1144,11 +1154,11 @@ class MyForm(settingsmixin.SMainWindow):
             
         items = []
         #to
-        MessageList_AddressWidget(items, toAddress, unicode(acct.toLabel, 'utf-8'), not read)
+        MessageList_AddressWidget(items, toAddress, str(acct.toLabel, 'utf-8'), not read)
         # from
-        MessageList_AddressWidget(items, fromAddress, unicode(acct.fromLabel, 'utf-8'), not read)
+        MessageList_AddressWidget(items, fromAddress, str(acct.fromLabel, 'utf-8'), not read)
         # subject
-        MessageList_SubjectWidget(items, str(subject), unicode(acct.subject, 'utf-8', 'replace'), not read)
+        MessageList_SubjectWidget(items, str(subject), str(acct.subject, 'utf-8', 'replace'), not read)
         # time received
         time_item = myTableWidgetItem(l10n.formatTimestamp(received))
         time_item.setToolTip(l10n.formatTimestamp(received))
@@ -1427,7 +1437,7 @@ class MyForm(settingsmixin.SMainWindow):
             self, title, subtitle, category, label=None, icon=None):
         self.playSound(category, label)
         self._notifier(
-            unicode(title), unicode(subtitle), category, label, icon)
+            str(title), str(subtitle), category, label, icon)
 
     # tree
     def treeWidgetKeyPressEvent(self, event):
@@ -1856,9 +1866,9 @@ class MyForm(settingsmixin.SMainWindow):
     def rerenderAddressBook(self):
         def addRow (address, label, type):
             self.ui.tableWidgetAddressBook.insertRow(0)
-            newItem = Ui_AddressBookWidgetItemLabel(address, unicode(label, 'utf-8'), type)
+            newItem = Ui_AddressBookWidgetItemLabel(address, str(label, 'utf-8'), type)
             self.ui.tableWidgetAddressBook.setItem(0, 0, newItem)
-            newItem = Ui_AddressBookWidgetItemAddress(address, unicode(label, 'utf-8'), type)
+            newItem = Ui_AddressBookWidgetItemAddress(address, str(label, 'utf-8'), type)
             self.ui.tableWidgetAddressBook.setItem(0, 1, newItem)
 
         oldRows = {}
@@ -1892,13 +1902,13 @@ class MyForm(settingsmixin.SMainWindow):
         completerList = []
         for address in sorted(oldRows, key = lambda x: oldRows[x][2], reverse = True):
             if address in newRows:
-                completerList.append(unicode(newRows[address][0], encoding="UTF-8") + " <" + address + ">")
+                completerList.append(str(newRows[address][0], encoding="UTF-8") + " <" + address + ">")
                 newRows.pop(address)
             else:
                 self.ui.tableWidgetAddressBook.removeRow(oldRows[address][2])
         for address in newRows:
             addRow(address, newRows[address][0], newRows[address][1])
-            completerList.append(unicode(newRows[address][0], encoding="UTF-8") + " <" + address + ">")
+            completerList.append(str(newRows[address][0], encoding="UTF-8") + " <" + address + ">")
 
         # sort
         self.ui.tableWidgetAddressBook.sortByColumn(
@@ -2010,7 +2020,7 @@ class MyForm(settingsmixin.SMainWindow):
                         toAddress)
                     if status != 'success':
                         try:
-                            toAddress = unicode(toAddress, 'utf-8', 'ignore')
+                            toAddress = str(toAddress, 'utf-8', 'ignore')
                         except:
                             pass
                         logger.error('Error: Could not decode recipient address ' + toAddress + ':' + status)
@@ -2235,7 +2245,7 @@ class MyForm(settingsmixin.SMainWindow):
                 addressInKeysFile, 'enabled')  # I realize that this is poor programming practice but I don't care. It's easier for others to read.
             isMaillinglist = BMConfigParser().safeGetBoolean(addressInKeysFile, 'mailinglist')
             if isEnabled and not isMaillinglist:
-                label = unicode(BMConfigParser().get(addressInKeysFile, 'label'), 'utf-8', 'ignore').strip()
+                label = str(BMConfigParser().get(addressInKeysFile, 'label'), 'utf-8', 'ignore').strip()
                 if label == "":
                     label = addressInKeysFile
                 self.ui.comboBoxSendFrom.addItem(avatarize(addressInKeysFile), label, addressInKeysFile)
@@ -2259,7 +2269,7 @@ class MyForm(settingsmixin.SMainWindow):
                 addressInKeysFile, 'enabled')  # I realize that this is poor programming practice but I don't care. It's easier for others to read.
             isChan = BMConfigParser().safeGetBoolean(addressInKeysFile, 'chan')
             if isEnabled and not isChan:
-                label = unicode(BMConfigParser().get(addressInKeysFile, 'label'), 'utf-8', 'ignore').strip()
+                label = str(BMConfigParser().get(addressInKeysFile, 'label'), 'utf-8', 'ignore').strip()
                 if label == "":
                     label = addressInKeysFile
                 self.ui.comboBoxSendFromBroadcast.addItem(avatarize(addressInKeysFile), label, addressInKeysFile)
@@ -2298,7 +2308,7 @@ class MyForm(settingsmixin.SMainWindow):
                 continue
             
             self.addMessageListItemSent(sent, toAddress, fromAddress, subject, "msgqueued", ackdata, time.time())
-            self.getAccountTextedit(acct).setPlainText(unicode(message, 'utf-8', 'replace'))
+            self.getAccountTextedit(acct).setPlainText(str(message, 'utf-8', 'replace'))
             sent.setCurrentCell(0, 0)
 
     def displayNewInboxMessage(self, inventoryHash, toAddress, fromAddress, subject, message):
@@ -2331,7 +2341,7 @@ class MyForm(settingsmixin.SMainWindow):
             self.notifierShow(
                 _translate("MainWindow", "New Message"),
                 _translate("MainWindow", "From %1").arg(
-                    unicode(acct.fromLabel, 'utf-8')),
+                    str(acct.fromLabel, 'utf-8')),
                 sound.SOUND_UNKNOWN
             )
         if self.getCurrentAccount() is not None and ((self.getCurrentFolder(treeWidget) != "inbox" and self.getCurrentFolder(treeWidget) is not None) or self.getCurrentAccount(treeWidget) != acct.address):
@@ -2879,8 +2889,8 @@ class MyForm(settingsmixin.SMainWindow):
                 if curWorkerQueue > 0:
                     self.updateStatusBar(_translate(
                         "MainWindow", "Waiting for PoW to finish... %1%"
-                    ).arg(50 * (maxWorkerQueue - curWorkerQueue) /
-                          maxWorkerQueue))
+                    ).arg(old_div(50 * (maxWorkerQueue - curWorkerQueue),
+                          maxWorkerQueue)))
                     time.sleep(0.5)
                     QtCore.QCoreApplication.processEvents(
                         QtCore.QEventLoop.AllEvents, 1000
@@ -2908,7 +2918,7 @@ class MyForm(settingsmixin.SMainWindow):
                 self.updateStatusBar(_translate(
                     "MainWindow",
                     "Waiting for objects to be sent... %1%"
-                ).arg(int(50 + 20 * (pendingUpload() / maxPendingUpload))))
+                ).arg(int(50 + 20 * (old_div(pendingUpload(), maxPendingUpload)))))
                 time.sleep(0.5)
                 QtCore.QCoreApplication.processEvents(
                     QtCore.QEventLoop.AllEvents, 1000
@@ -2928,7 +2938,7 @@ class MyForm(settingsmixin.SMainWindow):
             QtCore.QEventLoop.AllEvents, 1000
         )
         self.saveSettings()
-        for attr, obj in self.ui.__dict__.iteritems():
+        for attr, obj in self.ui.__dict__.items():
             if hasattr(obj, "__class__") \
                     and isinstance(obj, settingsmixin.SettingsMixin):
                 saveMethod = getattr(obj, "saveSettings", None)
@@ -2978,7 +2988,7 @@ class MyForm(settingsmixin.SMainWindow):
 
         lines = messageText.split('\n')
         totalLines = len(lines)
-        for i in xrange(totalLines):
+        for i in range(totalLines):
             if 'Message ostensibly from ' in lines[i]:
                 lines[i] = '<p style="font-size: 12px; color: grey;">%s</span></p>' % (
                     lines[i])
@@ -2989,7 +2999,7 @@ class MyForm(settingsmixin.SMainWindow):
                 lines[i] = '<br><br>'
         content = ' '.join(lines) # To keep the whitespace between lines
         content = shared.fixPotentiallyInvalidUTF8Data(content)
-        content = unicode(content, 'utf-8)')
+        content = str(content, 'utf-8)')
         textEdit.setHtml(QtCore.QString(content))
 
     def on_action_InboxMarkUnread(self):
@@ -3172,7 +3182,7 @@ class MyForm(settingsmixin.SMainWindow):
         self.setSendFromComboBox(toAddressAtCurrentInboxRow)
 
         quotedText = self.quoted_text(
-            unicode(messageAtCurrentInboxRow, 'utf-8', 'replace'))
+            str(messageAtCurrentInboxRow, 'utf-8', 'replace'))
         widget['message'].setPlainText(quotedText)
         if acct.subject[0:3] in ['Re:', 'RE:']:
             widget['subject'].setText(
@@ -3416,7 +3426,7 @@ class MyForm(settingsmixin.SMainWindow):
             return self.updateStatusBar(_translate(
                 "MainWindow", "No addresses selected."))
 
-        addresses_string = unicode(
+        addresses_string = str(
             self.ui.lineEditTo.text().toUtf8(), 'utf-8')
         for item in selected_items:
             address_string = item.accountString()
@@ -3804,7 +3814,7 @@ class MyForm(settingsmixin.SMainWindow):
             text = str(tableWidget.item(currentRow, currentColumn).label)
         else:
             text = tableWidget.item(currentRow, currentColumn).data(QtCore.Qt.UserRole)
-        text = unicode(str(text), 'utf-8', 'ignore')
+        text = str(str(text), 'utf-8', 'ignore')
         clipboard = QtGui.QApplication.clipboard()
         clipboard.setText(text)
 
@@ -3900,11 +3910,11 @@ class MyForm(settingsmixin.SMainWindow):
         self.setAddressSound(widget.item(widget.currentRow(), 0).text())
 
     def setAddressSound(self, addr):
-        filters = [unicode(_translate(
+        filters = [str(_translate(
             "MainWindow", "Sound files (%s)" %
             ' '.join(['*%s%s' % (os.extsep, ext) for ext in sound.extensions])
         ))]
-        sourcefile = unicode(QtGui.QFileDialog.getOpenFileName(
+        sourcefile = str(QtGui.QFileDialog.getOpenFileName(
             self, _translate("MainWindow", "Set notification sound..."),
             filter=';;'.join(filters)
         ))
@@ -3913,7 +3923,7 @@ class MyForm(settingsmixin.SMainWindow):
             return
 
         destdir = os.path.join(state.appdata, 'sounds')
-        destfile = unicode(addr) + os.path.splitext(sourcefile)[-1]
+        destfile = str(addr) + os.path.splitext(sourcefile)[-1]
         destination = os.path.join(destdir, destfile)
 
         if sourcefile == destination:
@@ -4120,7 +4130,7 @@ class MyForm(settingsmixin.SMainWindow):
         if item.type == AccountMixin.ALL:
             return
         
-        newLabel = unicode(item.text(0), 'utf-8', 'ignore')
+        newLabel = str(item.text(0), 'utf-8', 'ignore')
         oldLabel = item.defaultLabel()
 
         # unchanged, do not do anything either
@@ -4191,7 +4201,7 @@ class MyForm(settingsmixin.SMainWindow):
         self.rerenderMessagelistToLabels()
         completerList = self.ui.lineEditTo.completer().model().stringList()
         for i in range(len(completerList)):
-            if unicode(completerList[i]).endswith(" <" + item.address + ">"):
+            if str(completerList[i]).endswith(" <" + item.address + ">"):
                 completerList[i] = item.label + " <" + item.address + ">"
         self.ui.lineEditTo.completer().model().setStringList(completerList)
 
@@ -4245,7 +4255,7 @@ class MyForm(settingsmixin.SMainWindow):
         QtCore.QCoreApplication.setOrganizationDomain("bitmessage.org")
         QtCore.QCoreApplication.setApplicationName("pybitmessageqt")
         self.loadSettings()
-        for attr, obj in self.ui.__dict__.iteritems():
+        for attr, obj in self.ui.__dict__.items():
             if hasattr(obj, "__class__") and \
                     isinstance(obj, settingsmixin.SettingsMixin):
                 loadMethod = getattr(obj, "loadSettings", None)

src/bitmessageqt/account.py

@@ -8,7 +8,16 @@ Account related functions.
 """
 
 from __future__ import absolute_import
+from __future__ import unicode_literals
+from __future__ import print_function
+from __future__ import division
 
+from past.builtins import cmp
+from future import standard_library
+standard_library.install_aliases()
+from builtins import str
+from builtins import *
+from builtins import object
 import inspect
 import re
 import sys
@@ -31,12 +40,12 @@ def getSortedAccounts():
     configSections = BMConfigParser().addresses()
     configSections.sort(
         cmp=lambda x, y: cmp(
-            unicode(
+            str(
                 BMConfigParser().get(
                     x,
                     'label'),
                 'utf-8').lower(),
-            unicode(
+            str(
                 BMConfigParser().get(
                     y,
                     'label'),
@@ -169,7 +178,7 @@ class BMAccount(object):
 
         self.toAddress = toAddress
         self.fromAddress = fromAddress
-        if isinstance(subject, unicode):
+        if isinstance(subject, str):
             self.subject = str(subject)
         else:
             self.subject = subject

src/bitmessageqt/address_dialogs.py

@@ -3,18 +3,27 @@ src/bitmessageqt/address_dialogs.py
 ===================================
 
 """
+from __future__ import absolute_import
+from __future__ import unicode_literals
+from __future__ import print_function
+from __future__ import division
 # pylint: disable=attribute-defined-outside-init
 
+from future import standard_library
+standard_library.install_aliases()
+from builtins import str
+from builtins import *
+from builtins import object
 import hashlib
 
 from PyQt4 import QtCore, QtGui
 
 import queues
-import widgets
-from account import AccountMixin, GatewayAccount, MailchuckAccount, accountClass, getSortedAccounts
+from . import widgets
+from .account import AccountMixin, GatewayAccount, MailchuckAccount, accountClass, getSortedAccounts
 from addresses import addBMIfNotPresent, decodeAddress, encodeVarint
 from inventory import Inventory
-from retranslateui import RetranslateMixin
+from .retranslateui import RetranslateMixin
 from tr import _translate
 
 
@@ -262,7 +271,7 @@ class SpecialAddressBehaviorDialog(QtGui.QDialog, RetranslateMixin):
                 except:
                     mailingListName = ''
                 self.lineEditMailingListName.setText(
-                    unicode(mailingListName, 'utf-8')
+                    str(mailingListName, 'utf-8')
                 )
 
         QtGui.QWidget.resize(self, QtGui.QWidget.sizeHint(self))

src/bitmessageqt/addressvalidator.py

@@ -1,13 +1,22 @@
+from __future__ import absolute_import
+from __future__ import unicode_literals
+from __future__ import print_function
+from __future__ import division
+from future import standard_library
+standard_library.install_aliases()
+from builtins import str
+from builtins import *
+from builtins import object
 from PyQt4 import QtGui
-from Queue import Empty
+from queue import Empty
 
 from addresses import decodeAddress, addBMIfNotPresent
-from account import getSortedAccounts
+from .account import getSortedAccounts
 from queues import apiAddressGeneratorReturnQueue, addressGeneratorQueue
 from tr import _translate
-from utils import str_chan
+from .utils import str_chan
 
-class AddressPassPhraseValidatorMixin():
+class AddressPassPhraseValidatorMixin(object):
     def setParams(self, passPhraseObject=None, addressObject=None, feedBackObject=None, buttonBox=None, addressMandatory=True):
         self.addressObject = addressObject
         self.passPhraseObject = passPhraseObject

src/bitmessageqt/bitmessage_icons_rc.py

@@ -7,9 +7,16 @@
 #
 # WARNING! All changes made in this file will be lost!
 
+from __future__ import unicode_literals
+from __future__ import print_function
+from __future__ import division
+from __future__ import absolute_import
+from future import standard_library
+standard_library.install_aliases()
+from builtins import *
 from PyQt4 import QtCore
 
-qt_resource_data = "\
+qt_resource_data = b"\
 \x00\x00\x03\x66\
 \x89\
 \x50\x4e\x47\x0d\x0a\x1a\x0a\x00\x00\x00\x0d\x49\x48\x44\x52\x00\
@@ -1534,7 +1541,7 @@ qt_resource_data = "\
 \x82\
 "
 
-qt_resource_name = "\
+qt_resource_name = b"\
 \x00\x09\
 \x0c\x78\x54\x88\
 \x00\x6e\
@@ -1639,7 +1646,7 @@ qt_resource_name = "\
 \x00\x70\x00\x6e\x00\x67\
 "
 
-qt_resource_struct = "\
+qt_resource_struct = b"\
 \x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x00\x00\x01\
 \x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x00\x00\x02\
 \x00\x00\x00\x18\x00\x02\x00\x00\x00\x15\x00\x00\x00\x03\

src/bitmessageqt/bitmessageui.py

@@ -7,14 +7,23 @@
 #
 # WARNING! All changes made in this file will be lost!
 
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import unicode_literals
+from __future__ import print_function
+from future import standard_library
+standard_library.install_aliases()
+from builtins import *
+from builtins import object
+from past.utils import old_div
 from PyQt4 import QtCore, QtGui
 from bmconfigparser import BMConfigParser
-from foldertree import AddressBookCompleter
-from messageview import MessageView
-from messagecompose import MessageCompose
-import settingsmixin
-from networkstatus import NetworkStatus
-from blacklist import Blacklist
+from .foldertree import AddressBookCompleter
+from .messageview import MessageView
+from .messagecompose import MessageCompose
+from . import settingsmixin
+from .networkstatus import NetworkStatus
+from .blacklist import Blacklist
 
 try:
     _fromUtf8 = QtCore.QString.fromUtf8
@@ -708,7 +717,7 @@ class Ui_MainWindow(object):
         self.pushButtonTTL.setText(_translate("MainWindow", "TTL:", None))
         hours = 48
         try:
-            hours = int(BMConfigParser().getint('bitmessagesettings', 'ttl')/60/60)
+            hours = int(old_div(BMConfigParser().getint('bitmessagesettings', 'ttl'),60/60))
         except:
             pass
         self.labelHumanFriendlyTTLDescription.setText(_translate("MainWindow", "%n hour(s)", None, QtCore.QCoreApplication.CodecForTr, hours))
@@ -771,7 +780,7 @@ class Ui_MainWindow(object):
         self.actionDeleteAllTrashedMessages.setText(_translate("MainWindow", "Delete all trashed messages", None))
         self.actionJoinChan.setText(_translate("MainWindow", "Join / Create chan", None))
 
-import bitmessage_icons_rc
+from . import bitmessage_icons_rc
 
 if __name__ == "__main__":
     import sys

src/bitmessageqt/blacklist.py

@@ -1,15 +1,23 @@
+from __future__ import absolute_import
+from __future__ import unicode_literals
+from __future__ import print_function
+from __future__ import division
+from future import standard_library
+standard_library.install_aliases()
+from builtins import str
+from builtins import *
 from PyQt4 import QtCore, QtGui
 
-import widgets
+from . import widgets
 from addresses import addBMIfNotPresent
 from bmconfigparser import BMConfigParser
-from dialogs import AddAddressDialog
+from .dialogs import AddAddressDialog
 from helper_sql import sqlExecute, sqlQuery
 from queues import UISignalQueue
-from retranslateui import RetranslateMixin
+from .retranslateui import RetranslateMixin
 from tr import _translate
-from uisignaler import UISignaler
-from utils import avatarize
+from .uisignaler import UISignaler
+from .utils import avatarize
 
 
 class Blacklist(QtGui.QWidget, RetranslateMixin):
@@ -73,7 +81,7 @@ class Blacklist(QtGui.QWidget, RetranslateMixin):
                 if queryreturn == []:
                     self.tableWidgetBlacklist.setSortingEnabled(False)
                     self.tableWidgetBlacklist.insertRow(0)
-                    newItem = QtGui.QTableWidgetItem(unicode(
+                    newItem = QtGui.QTableWidgetItem(str(
                         self.NewBlacklistDialogInstance.lineEditLabel.text().toUtf8(), 'utf-8'))
                     newItem.setIcon(avatarize(address))
                     self.tableWidgetBlacklist.setItem(0, 0, newItem)
@@ -172,7 +180,7 @@ class Blacklist(QtGui.QWidget, RetranslateMixin):
         for row in queryreturn:
             label, address, enabled = row
             self.tableWidgetBlacklist.insertRow(0)
-            newItem = QtGui.QTableWidgetItem(unicode(label, 'utf-8'))
+            newItem = QtGui.QTableWidgetItem(str(label, 'utf-8'))
             if not enabled:
                 newItem.setTextColor(QtGui.QColor(128, 128, 128))
             newItem.setIcon(avatarize(address))

src/bitmessageqt/dialogs.py

@@ -2,19 +2,27 @@
 src/bitmessageqt/dialogs.py
 ===========================
 """
+from __future__ import absolute_import
+from __future__ import unicode_literals
+from __future__ import print_function
+from __future__ import division
 
+from future import standard_library
+standard_library.install_aliases()
+from builtins import str
+from builtins import *
 from PyQt4 import QtGui
 
 from version import softwareVersion
 
 import paths
-import widgets
-from address_dialogs import (
+from . import widgets
+from .address_dialogs import (
     AddAddressDialog, EmailGatewayDialog, NewAddressDialog, NewSubscriptionDialog, RegenerateAddressesDialog,
     SpecialAddressBehaviorDialog
 )
-from newchandialog import NewChanDialog
-from retranslateui import RetranslateMixin
+from .newchandialog import NewChanDialog
+from .retranslateui import RetranslateMixin
 from tr import _translate
 
 __all__ = [

src/bitmessageqt/foldertree.py

@@ -2,17 +2,27 @@
 src/bitmessageqt/foldertree.py
 ==============================
 """
+from __future__ import absolute_import
+from __future__ import unicode_literals
+from __future__ import print_function
+from __future__ import division
 # pylint: disable=too-many-arguments,bad-super-call,attribute-defined-outside-init
 
+from future import standard_library
+standard_library.install_aliases()
+from builtins import str
+from builtins import range
+from builtins import *
+from builtins import object
 from cgi import escape
 
 from PyQt4 import QtCore, QtGui
 
 from bmconfigparser import BMConfigParser
 from helper_sql import sqlExecute, sqlQuery
-from settingsmixin import SettingsMixin
+from .settingsmixin import SettingsMixin
 from tr import _translate
-from utils import avatarize
+from .utils import avatarize
 
 # for pylupdate
 _translate("MainWindow", "inbox")
@@ -122,7 +132,7 @@ class AccountMixin(object):
                 AccountMixin.NORMAL,
                 AccountMixin.CHAN, AccountMixin.MAILINGLIST):
             try:
-                retval = unicode(
+                retval = str(
                     BMConfigParser().get(self.address, 'label'), 'utf-8')
             except Exception:
                 queryreturn = sqlQuery(
@@ -134,12 +144,12 @@ class AccountMixin(object):
             if queryreturn != []:
                 for row in queryreturn:
                     retval, = row
-                    retval = unicode(retval, 'utf-8')
+                    retval = str(retval, 'utf-8')
         elif self.address is None or self.type == AccountMixin.ALL:
-            return unicode(
+            return str(
                 str(_translate("MainWindow", "All accounts")), 'utf-8')
 
-        return retval or unicode(self.address, 'utf-8')
+        return retval or str(self.address, 'utf-8')
 
 
 class BMTreeWidgetItem(QtGui.QTreeWidgetItem, AccountMixin):
@@ -230,15 +240,15 @@ class Ui_AddressWidget(BMTreeWidgetItem, SettingsMixin):
 
     def _getLabel(self):
         if self.address is None:
-            return unicode(_translate(
+            return str(_translate(
                 "MainWindow", "All accounts").toUtf8(), 'utf-8', 'ignore')
         else:
             try:
-                return unicode(