Start switching from PyQt5 to PySide2

BUILD.md

@@ -5,10 +5,10 @@
 Install dependencies:
 
 ```sh
-sudo apt install -y python-all dh-python python3-stdeb python3 python3-pyqt5 python3-appdirs python3-click python3-xdg python3-requests python3-termcolor
+sudo apt install -y python3 python3-stdeb python3-pyside2.qtcore python3-pyside2.qtgui python3-pyside2.qtwidgets python3-appdirs python3-click python3-xdg python3-requests python3-termcolor
 ```
 
-You also need docker, either by installing the `docker.io` package, or by installing `docker-ce` by following [these instructions for Ubuntu](https://docs.docker.com/install/linux/docker-ce/ubuntu/) or [for Debian](https://docs.docker.com/install/linux/docker-ce/debian/).
+You also need docker, either by installing the `docker.io` package, or by installing `docker-ce` by following [these instructions for Ubuntu](https://docs.docker.com/install/linux/docker-ce/ubuntu/) or [for Debian](https://docs.docker.com/install/linux/docker-ce/debian/), or installing the [Docker snap package](https://snapcraft.io/docker).
 
 Run from source tree:
 

dangerzone/doc_selection_widget.py

@@ -1,8 +1,8 @@
-from PyQt5 import QtCore, QtGui, QtWidgets
+from PySide2 import QtCore, QtGui, QtWidgets
 
 
 class DocSelectionWidget(QtWidgets.QWidget):
-    document_selected = QtCore.pyqtSignal()
+    document_selected = QtCore.Signal()
 
     def __init__(self, common):
         super(DocSelectionWidget, self).__init__()

dangerzone/docker_installer.py

@@ -6,7 +6,7 @@ import subprocess
 import shutil
 import time
 import platform
-from PyQt5 import QtCore, QtGui, QtWidgets
+from PySide2 import QtCore, QtGui, QtWidgets
 
 from .container import container_runtime
 
@@ -194,9 +194,9 @@ class DockerInstaller(QtWidgets.QDialog):
 
 
 class Downloader(QtCore.QThread):
-    download_finished = QtCore.pyqtSignal()
+    download_finished = QtCore.Signal()
-    download_failed = QtCore.pyqtSignal(int)
+    download_failed = QtCore.Signal(int)
-    update_progress = QtCore.pyqtSignal(int, int)
+    update_progress = QtCore.Signal(int, int)
 
     def __init__(self, installer_filename):
         super(Downloader, self).__init__()

dangerzone/global_common.py

@@ -7,7 +7,7 @@ import platform
 import subprocess
 import shlex
 import pipes
-from PyQt5 import QtCore, QtGui, QtWidgets
+from PySide2 import QtCore, QtGui, QtWidgets
 
 if platform.system() == "Darwin":
     import CoreServices

dangerzone/gui.py

@@ -1,4 +1,3 @@
-from PyQt5 import QtCore, QtWidgets
 import os
 import sys
 import signal
@@ -7,6 +6,7 @@ import click
 import time
 import uuid
 import subprocess
+from PySide2 import QtCore, QtWidgets
 
 from .global_common import GlobalCommon
 from .main_window import MainWindow
@@ -21,8 +21,8 @@ from .container import container_runtime
 
 
 class Application(QtWidgets.QApplication):
-    document_selected = QtCore.pyqtSignal(str)
+    document_selected = QtCore.Signal(str)
-    application_activated = QtCore.pyqtSignal()
+    application_activated = QtCore.Signal()
 
     def __init__(self):
         QtWidgets.QApplication.__init__(self, sys.argv)

dangerzone/main_window.py

@@ -1,7 +1,7 @@
 import shutil
 import os
 import platform
-from PyQt5 import QtCore, QtGui, QtWidgets
+from PySide2 import QtCore, QtGui, QtWidgets
 
 from .doc_selection_widget import DocSelectionWidget
 from .settings_widget import SettingsWidget
@@ -10,7 +10,7 @@ from .common import Common
 
 
 class MainWindow(QtWidgets.QMainWindow):
-    delete_window = QtCore.pyqtSignal(str)
+    delete_window = QtCore.Signal(str)
 
     def __init__(self, global_common, window_id):
         super(MainWindow, self).__init__()

dangerzone/settings_widget.py

@@ -1,12 +1,12 @@
 import os
 import subprocess
 import platform
-from PyQt5 import QtCore, QtGui, QtWidgets
+from PySide2 import QtCore, QtGui, QtWidgets
 
 
 class SettingsWidget(QtWidgets.QWidget):
-    start_clicked = QtCore.pyqtSignal()
+    start_clicked = QtCore.Signal()
-    close_window = QtCore.pyqtSignal()
+    close_window = QtCore.Signal()
 
     def __init__(self, global_common, common):
         super(SettingsWidget, self).__init__()

dangerzone/tasks.py

@@ -3,15 +3,15 @@ import time
 import os
 import pipes
 import platform
-from PyQt5 import QtCore, QtWidgets, QtGui
+from PySide2 import QtCore, QtWidgets, QtGui
 from termcolor import cprint
 
 
 class TaskBase(QtCore.QThread):
-    task_finished = QtCore.pyqtSignal()
+    task_finished = QtCore.Signal()
-    task_failed = QtCore.pyqtSignal(str)
+    task_failed = QtCore.Signal(str)
-    update_label = QtCore.pyqtSignal(str)
+    update_label = QtCore.Signal(str)
-    update_details = QtCore.pyqtSignal(str)
+    update_details = QtCore.Signal(str)
 
     def __init__(self):
         super(TaskBase, self).__init__()

dangerzone/tasks_widget.py

@@ -3,13 +3,13 @@ import tempfile
 import os
 import platform
 import subprocess
-from PyQt5 import QtCore, QtGui, QtWidgets
+from PySide2 import QtCore, QtGui, QtWidgets
 
 from .tasks import PullImageTask, ConvertToPixels, ConvertToPDF
 
 
 class TasksWidget(QtWidgets.QWidget):
-    close_window = QtCore.pyqtSignal()
+    close_window = QtCore.Signal()
 
     def __init__(self, global_common, common):
         super(TasksWidget, self).__init__()