tinywallet: migrate from PyQt5 to PySide2

README.md

@@ -7,7 +7,8 @@ The [`decred`](./decred) package contains everything needed to create wallets
 to send and receive DCR.
 
 The [`tinywallet`](./tinywallet) package contains a wallet based on the
-`decred` toolkit.
+`decred` toolkit and on the Qt toolkit via the PySide2 bindings, which are
+licensed under LGPLv3.
 
 Each package may be installed from the [Python Package Index](https://pypi.org/)
 using the [`pip`](https://pip.pypa.io/) command as usual.

LICENSE → decred/LICENSE

@@ -1,7 +1,7 @@
 ISC License
 
 Copyright (c) 2019, Brian Stafford
-Copyright (c) 2019, The Decred developers
+Copyright (c) 2019-2020, The Decred developers
 
 Permission to use, copy, modify, and/or distribute this software for any
 purpose with or without fee is hereby granted, provided that the above

tinywallet/README.md

@@ -1,7 +1,8 @@
 # TinyWallet
 
 TinyWallet is a light [Decred](https://decred.org/) wallet GUI application
-based on PyQt5.
+based on the Qt toolkit via the PySide2 bindings, which are licensed under
+LGPLv3.
 
 **The light wallet is experimental, and should not be used on mainnet.**
 

tinywallet/pyproject.toml

@@ -24,9 +24,9 @@ classifiers = [
 ]
 
 [tool.poetry.dependencies]
-python = "^3.6"
+python = "^3.6, <3.9"
 decred = {path = "../decred/"}
-pyqt5 = "=5.12.3"
+pyside2 = "^5.14.2"
 
 [tool.poetry.dev-dependencies]
 pytest = "^5.3.5"

tinywallet/tinywallet/app.py

@@ -3,14 +3,14 @@
 Copyright (c) 2019, the Decred developers
 See LICENSE for details
 
-A PyQt light wallet.
+A Qt-based light wallet.
 """
 
 import os
 from pathlib import Path
 import sys
 
-from PyQt5 import QtCore, QtGui, QtWidgets
+from PySide2 import QtCore, QtGui, QtWidgets
 
 from decred.dcr import constants as DCR
 from decred.dcr.dcrdata import DcrdataBlockchain
@@ -56,23 +56,24 @@ def __init__(self, balance=None, working=None, done=None, spentTickets=None):
 
 class TinyWallet(QtCore.QObject, Q.ThreadUtilities):
     """
-    TinyWallet is an PyQt application for interacting with the Decred
+    TinyWallet is a Qt application for interacting with the Decred
     blockchain. TinyWallet currently implements a UI for creating and
     controlling a rudimentary, non-staking, Decred testnet light wallet.
 
     TinyWallet is a system tray application.
     """
 
-    qRawSignal = QtCore.pyqtSignal(tuple)
-    homeSig = QtCore.pyqtSignal(Q.PyObj)
-    walletSig = QtCore.pyqtSignal(Q.PyObj)
+    qRawSignal = QtCore.Signal(tuple)
+    homeSig = QtCore.Signal(object)
+    walletSig = QtCore.Signal(object)
 
     def __init__(self, qApp):
         """
         Args:
             qApp (QApplication): An initialized QApplication.
         """
-        super().__init__()
+        QtCore.QObject.__init__(self)
+        Q.ThreadUtilities.__init__(self)
         self.qApp = qApp
         self.cfg = config.load()
         self.log = self.initLogging()

tinywallet/tinywallet/qutilities.py

@@ -3,12 +3,12 @@
 Copyright (c) 2019, the Decred developers
 See LICENSE for detail
 
-PyQt5 utilities.
+Qt utilities.
 """
 
 import re
 
-from PyQt5 import QtCore, QtGui, QtWidgets
+from PySide2 import QtCore, QtGui, QtWidgets
 
 from decred.util import helpers
 
@@ -37,8 +37,6 @@
 
 STRETCH = "stretch"
 
-PyObj = "PyQt_PyObject"
-
 
 class ThreadUtilities:
     """
@@ -314,7 +312,7 @@ def getOffset(self):
         """
         return self.xPos
 
-    pqProp = QtCore.pyqtProperty(int, fget=getOffset, fset=setOffset)
+    pqProp = QtCore.Property(int, fget=getOffset, fset=setOffset)
 
     def set(self, on):
         """

tinywallet/tinywallet/screens.py

@@ -12,7 +12,7 @@
 from urllib.parse import urlsplit, urlunsplit
 import webbrowser
 
-from PyQt5 import QtCore, QtGui, QtSvg, QtWidgets
+from PySide2 import QtCore, QtGui, QtSvg, QtWidgets
 
 from decred import DecredError
 from decred.crypto import crypto
@@ -109,11 +109,11 @@ class TinyDialog(QtWidgets.QFrame):
     maxWidth = 525
     maxHeight = 375
     targetPadding = 15
-    popSig = QtCore.pyqtSignal(Q.PyObj)
-    stackSig = QtCore.pyqtSignal(Q.PyObj)
+    popSig = QtCore.Signal(object)
+    stackSig = QtCore.Signal(object)
     topMenuHeight = 26
-    successSig = QtCore.pyqtSignal(str)
-    errorSig = QtCore.pyqtSignal(str)
+    successSig = QtCore.Signal(str)
+    errorSig = QtCore.Signal(str)
 
     def __init__(self, twApp):
         """
@@ -1825,7 +1825,7 @@ def __init__(self, acct):
 
     def paintEvent(self, e):
         """
-        Paint the lock icon. This is an overloaded PyQt method.
+        Paint the lock icon. This is an overloaded PySide2 method.
         """
         super().paintEvent(e)
         painter = QtGui.QPainter(self)