For a long time I have been happily building my App bundles using py2app. At some point that stopped working. I do not have a record of exactly when. Last time I saw everything work was Feb 2021.
I have reduced the problem to a simple test program and scripts to build and run the test code to show the issue. As a comparison I have py2app and pyinstaller versions of the tests. The pyinstaller version works and the py2app version fails. The code is on github here: https://github.com/barry-scott/scm-workbench/tree/master/Source/Experiments Run ./build-py2app.sh to build and run the py2app version. Run ./build-pyinstaller.sh to build and runt he pyinstaller version. The scripts: 1. build a venv 2. run gui_test.py from the command line 3. build the app using py2app or pyinstaller 4. run the app. I am using macOS 12.1 on Intel MacBook Pro (15-inch, 2016). Python 3.10.1 from python.org. The gui_test.py code logs to ~/gui_test.log at key points. Here is the source: ---- #!/usr/bin/env python import sys import os log_filename = '%s/gui_test.log' % (os.environ['HOME'],) sys.stdout = open( log_filename, 'a' ) sys.stderr = sys.stdout print('---- gui_test.py ----', flush=True) from PyQt5 import QtCore, QtWidgets from PyQt5.QtWidgets import QMainWindow, QLabel, QGridLayout, QWidget from PyQt5.QtCore import QSize class HelloWindow(QMainWindow): def __init__( self ): super().__init__() if sys.maxsize > (2**31): size_int_t = 64 else: size_int_t = 32 py_ver = '%d.%d-%d' % (sys.version_info.major, sys.version_info.minor, size_int_t) self.setMinimumSize( QSize(350, 100) ) self.setWindowTitle( 'GUI test - python %s' % (py_ver,) ) self.setCentralWidget( QLabel( ' GUI test - python %s ' % (py_ver,), self ) ) def main( argv ): print('QtWidgets.QApplication()', flush=True) app = QtWidgets.QApplication( argv ) print('HelloWindow()', flush=True) main_win = HelloWindow() print('main_win.show()', flush=True) main_win.show() print('app.exec_()', flush=True) rc = app.exec_() print('rc', rc, flush=True) return rc if __name__ == "__main__": sys.exit( main( sys.argv ) ) ---- On a successful run the log shows: ---- gui_test.py ---- QtWidgets.QApplication() HelloWindow() main_win.show() app.exec_() rc 0 When it fails it shows: ---- gui_test.py ---- QtWidgets.QApplication() Here is the problem report that is generated: REGION TYPE SIZE COUNT (non-coalesced) =========== ======= ======= Activity Tracing 256K 1 Kernel Alloc Once 8K 1 MALLOC 192.1M 30 MALLOC guard page 16K 4 MALLOC_LARGE (reserved) 128K 1 reserved VM address space (unallocated) MALLOC_NANO (reserved) 384.0M 1 reserved VM address space (unallocated) STACK GUARD 56.0M 3 Stack 9232K 3 VM_ALLOCATE 6156K 9 __DATA 17.4M 265 __DATA_CONST 10.9M 152 __DATA_DIRTY 492K 86 __FONT_DATA 4K 1 __LINKEDIT 651.4M 26 __OBJC_RO 81.8M 1 __OBJC_RW 3136K 2 __TEXT 205.4M 280 __UNICODE 588K 1 dyld private memory 1024K 1 mapped file 28.3M 2 shared memory 592K 7 =========== ======= ======= TOTAL 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0 services, 0 devices, 0 incoming serial ports Network Service: USB 10/100/1000 LAN, Ethernet, en7 USB Device: Anker USB-C Hub Device USB Device: USB3.0 Card Reader USB Device: USB 10/100/1000 LAN USB Device: USB30Bus USB Device: Anker USB-C Hub Device USB Device: hub_device USB Device: USB Keyboard USB Device: hub_device USB Device: Microsoft USB Optical Mouse USB Device: Flash Card Reader USB Device: Anker USB Device: Apple T1 Controller Thunderbolt Bus: MacBook Pro, Apple Inc., 41.5 Thunderbolt Bus: MacBook Pro, Apple Inc., 41.5 Barry _______________________________________________ Pythonmac-SIG maillist - Pythonmac-SIG@python.org https://mail.python.org/mailman/listinfo/pythonmac-sig unsubscribe: https://mail.python.org/mailman/options/Pythonmac-SIG
