[webkitcorepy] Autoinstaller unsafe with multiple processes

https://bugs.webkit.org/show_bug.cgi?id=244868
<rdar://99574043>

Reviewed by Alexey Proskuryakov.

* Tools/Scripts/libraries/webkitcorepy/setup.py: Bump version.
* Tools/Scripts/libraries/webkitcorepy/webkitcorepy/__init__.py: Ditto.
* Tools/Scripts/libraries/webkitcorepy/webkitcorepy/autoinstall.py:
(Package.install): Include PID in temp directory name.

Canonical link: https://commits.webkit.org/254210@main

Tools/Scripts/libraries/webkitcorepy/setup.py

@@ -30,7 +30,7 @@ def readme():
 
 setup(
     name='webkitcorepy',
-    version='0.13.11',
+    version='0.13.12',
     description='Library containing various Python support classes and functions.',
     long_description=readme(),
     classifiers=[

Tools/Scripts/libraries/webkitcorepy/webkitcorepy/__init__.py

@@ -44,7 +44,7 @@
 from webkitcorepy.editor import Editor
 from webkitcorepy.file_lock import FileLock
 
-version = Version(0, 13, 11)
+version = Version(0, 13, 12)
 
 from webkitcorepy.autoinstall import Package, AutoInstall
 if sys.version_info > (3, 0):

Tools/Scripts/libraries/webkitcorepy/webkitcorepy/autoinstall.py

@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Apple Inc. All rights reserved.
+# Copyright (C) 2020-2022 Apple Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
@@ -292,7 +292,7 @@ def install(self):
             AutoInstall.log('Downloading {}...'.format(archive))
             archive.download()
 
-            temp_location = os.path.join(tempfile.gettempdir(), self.name)
+            temp_location = os.path.join(tempfile.gettempdir(), '{}-{}'.format(self.name, os.getpid()))
             archive.unpack(temp_location)
 
             for candidate in os.listdir(temp_location):