From 5ff2b08b4ab834508cb2dad5b401b0a463784227 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alexis=20M=C3=A9taireau?= <alexis@freedom.press>
Date: Mon, 7 Apr 2025 14:58:59 +0200
Subject: [PATCH] Move multithreading patch up so that it's working in the GUI

---
 dangerzone/__init__.py        | 6 ++++++
 dangerzone/gui/__init__.py    | 1 +
 dangerzone/gui/main_window.py | 4 ----
 3 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/dangerzone/__init__.py b/dangerzone/__init__.py
index f029398..a67ebcf 100644
--- a/dangerzone/__init__.py
+++ b/dangerzone/__init__.py
@@ -4,6 +4,12 @@ import sys
 
 logger = logging.getLogger(__name__)
 
+# Call freeze_support() to avoid passing unknown options to the subprocess.
+# See https://github.com/freedomofpress/dangerzone/issues/873
+import multiprocessing
+
+multiprocessing.freeze_support()
+
 
 try:
     from . import vendor  # type: ignore [attr-defined]
diff --git a/dangerzone/gui/__init__.py b/dangerzone/gui/__init__.py
index 5a4c26c..cee8a0e 100644
--- a/dangerzone/gui/__init__.py
+++ b/dangerzone/gui/__init__.py
@@ -10,6 +10,7 @@ from typing import List, Optional
 import click
 import colorama
 
+
 # FIXME: See https://github.com/freedomofpress/dangerzone/issues/320 for more details.
 if typing.TYPE_CHECKING:
     from PySide2 import QtCore, QtGui, QtWidgets
diff --git a/dangerzone/gui/main_window.py b/dangerzone/gui/main_window.py
index 52ac9a1..f10d500 100644
--- a/dangerzone/gui/main_window.py
+++ b/dangerzone/gui/main_window.py
@@ -3,7 +3,6 @@ import os
 import platform
 import tempfile
 import typing
-from multiprocessing import freeze_support
 from multiprocessing.pool import ThreadPool
 from pathlib import Path
 from typing import List, Optional
@@ -1238,9 +1237,6 @@ class DocumentsListWidget(QtWidgets.QListWidget):
     def start_conversion(self) -> None:
         if not self.thread_pool_initized:
             max_jobs = self.dangerzone.isolation_provider.get_max_parallel_conversions()
-            # Call freeze_support() to avoid passing unknown options to the subprocess.
-            # See https://github.com/freedomofpress/dangerzone/issues/873
-            freeze_support()
             self.thread_pool = ThreadPool(max_jobs)
 
         for doc in self.docs_list: