René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"[TST]: Appveyor Qt tests failing","articleBody":"### Summary\n\nAppveyor Qt sigint tests appear to be consistently failing due DLL loading\r\n\r\n\u003cdetails\u003e\r\n\u003csummary\u003e Relevant log portion\u003c/summary\u003e\r\n\r\n\r\n```\r\n__________________________ test_sigint[show-kwargs0] __________________________\r\n[gw0] win32 -- Python 3.8.13 C:\\Miniconda3-x64\\envs\\test-environment\\python.exe\r\ntarget = 'show', kwargs = {'block': True}\r\n    @pytest.mark.backend('QtAgg', skip_on_importerror=True)\r\n    @pytest.mark.parametrize(\"target, kwargs\", [\r\n        ('show', {'block': True}),\r\n        ('pause', {'interval': 10})\r\n    ])\r\n    def test_sigint(target, kwargs):\r\n        backend = plt.get_backend()\r\n        proc = WaitForStringPopen(\r\n            [sys.executable, \"-c\",\r\n             inspect.getsource(_test_sigint_impl) +\r\n             f\"\\n_test_sigint_impl({backend!r}, {target!r}, {kwargs!r})\"])\r\n        try:\r\n            proc.wait_for('DRAW')\r\n\u003e           stdout, _ = proc.communicate(timeout=_test_timeout)\r\nlib\\matplotlib\\tests\\test_backend_qt.py:130: \r\n_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _\r\nC:\\Miniconda3-x64\\envs\\test-environment\\lib\\subprocess.py:1028: in communicate\r\n    stdout, stderr = self._communicate(input, endtime, timeout)\r\n_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _\r\nself = \u003cmatplotlib.tests.test_backend_qt.WaitForStringPopen object at 0x0000004E17E65CD0\u003e\r\ninput = None, endtime = 526.437, orig_timeout = 60\r\n    def _communicate(self, input, endtime, orig_timeout):\r\n        # Start reader threads feeding into a list hanging off of this\r\n        # object, unless they've already been started.\r\n        if self.stdout and not hasattr(self, \"_stdout_buff\"):\r\n            self._stdout_buff = []\r\n            self.stdout_thread = \\\r\n                    threading.Thread(target=self._readerthread,\r\n                                     args=(self.stdout, self._stdout_buff))\r\n            self.stdout_thread.daemon = True\r\n            self.stdout_thread.start()\r\n        if self.stderr and not hasattr(self, \"_stderr_buff\"):\r\n            self._stderr_buff = []\r\n            self.stderr_thread = \\\r\n                    threading.Thread(target=self._readerthread,\r\n                                     args=(self.stderr, self._stderr_buff))\r\n            self.stderr_thread.daemon = True\r\n            self.stderr_thread.start()\r\n    \r\n        if self.stdin:\r\n            self._stdin_write(input)\r\n    \r\n        # Wait for the reader threads, or time out.  If we time out, the\r\n        # threads remain reading and the fds left open in case the user\r\n        # calls communicate again.\r\n        if self.stdout is not None:\r\n            self.stdout_thread.join(self._remaining_time(endtime))\r\n            if self.stdout_thread.is_alive():\r\n\u003e               raise TimeoutExpired(self.args, orig_timeout)\r\nE               subprocess.TimeoutExpired: Command '['C:\\\\Miniconda3-x64\\\\envs\\\\test-environment\\\\python.exe', '-c', \"def _test_sigint_impl(backend, target_name, kwargs):\\n    import sys\\n    import matplotlib.pyplot as plt\\n    import os\\n    import threading\\n\\n    plt.switch_backend(backend)\\n    from matplotlib.backends.qt_compat import QtCore  # noqa\\n\\n    def interrupter():\\n        if sys.platform == 'win32':\\n            import win32api\\n            win32api.GenerateConsoleCtrlEvent(0, 0)\\n        else:\\n            import signal\\n            os.kill(os.getpid(), signal.SIGINT)\\n\\n    target = getattr(plt, target_name)\\n    timer = threading.Timer(1, interrupter)\\n    fig = plt.figure()\\n    fig.canvas.mpl_connect(\\n        'draw_event',\\n        lambda *args: print('DRAW', flush=True)\\n    )\\n    fig.canvas.mpl_connect(\\n        'draw_event',\\n        lambda *args: timer.start()\\n    )\\n    try:\\n        target(**kwargs)\\n    except KeyboardInterrupt:\\n        print('SUCCESS', flush=True)\\n\\n_test_sigint_impl('QtAgg', 'show', {'block': True})\"]' timed out after 60 seconds\r\nC:\\Miniconda3-x64\\envs\\test-environment\\lib\\subprocess.py:1401: TimeoutExpired\r\n----------------------------- Captured log setup ------------------------------\r\nDEBUG    matplotlib.pyplot:pyplot.py:316 Loaded backend QtAgg version 5.15.7.\r\n---------------------------- Captured stderr call -----------------------------\r\nWindows fatal exception: code 0xc0000139\r\nCurrent thread 0x00000900 (most recent call first):\r\n  File \"\u003cfrozen importlib._bootstrap\u003e\", line 219 in _call_with_frames_removed\r\n  File \"\u003cfrozen importlib._bootstrap_external\u003e\", line 1166 in create_module\r\n  File \"\u003cfrozen importlib._bootstrap\u003e\", line 556 in module_from_spec\r\n  File \"\u003cfrozen importlib._bootstrap\u003e\", line 657 in _load_unlocked\r\n  File \"\u003cfrozen importlib._bootstrap\u003e\", line 975 in _find_and_load_unlocked\r\n  File \"\u003cfrozen importlib._bootstrap\u003e\", line 991 in _find_and_load\r\n  File \"\u003cstring\u003e\", line 12 in interrupter\r\n  File \"C:\\Miniconda3-x64\\envs\\test-environment\\lib\\threading.py\", line 1254 in run\r\n  File \"C:\\Miniconda3-x64\\envs\\test-environment\\lib\\threading.py\", line 932 in _bootstrap_inner\r\n  File \"C:\\Miniconda3-x64\\envs\\test-environment\\lib\\threading.py\", line 890 in _bootstrap\r\nThread 0x00000344 (most recent call first):\r\n  File \"c:\\projects\\matplotlib\\lib\\matplotlib\\backends\\qt_compat.py\", line 168 in _exec\r\n  File \"c:\\projects\\matplotlib\\lib\\matplotlib\\backends\\backend_qt.py\", line 1022 in mainloop\r\n  File \"c:\\projects\\matplotlib\\lib\\matplotlib\\backend_bases.py\", line 3554 in show\r\n  File \"c:\\projects\\matplotlib\\lib\\matplotlib\\pyplot.py\", line 421 in show\r\n  File \"\u003cstring\u003e\", line 30 in _test_sigint_impl\r\n  File \"\u003cstring\u003e\", line 34 in \u003cmodule\u003e\r\nException in thread Thread-1:\r\nTraceback (most recent call last):\r\n  File \"C:\\Miniconda3-x64\\envs\\test-environment\\lib\\threading.py\", line 932, in _bootstrap_inner\r\n    self.run()\r\n  File \"C:\\Miniconda3-x64\\envs\\test-environment\\lib\\threading.py\", line 1254, in run\r\n    self.function(*self.args, **self.kwargs)\r\n  File \"\u003cstring\u003e\", line 12, in interrupter\r\nImportError: DLL load failed while importing win32api: The specified procedure could not be found.\r\n---------------------------- Captured log teardown ----------------------------\r\nDEBUG    matplotlib.pyplot:pyplot.py:316 Loaded backend agg version v2.2.\r\n_________________________ test_sigint[pause-kwargs1] __________________________\r\n[gw0] win32 -- Python 3.8.13 C:\\Miniconda3-x64\\envs\\test-environment\\python.exe\r\ntarget = 'pause', kwargs = {'interval': 10}\r\n    @pytest.mark.backend('QtAgg', skip_on_importerror=True)\r\n    @pytest.mark.parametrize(\"target, kwargs\", [\r\n        ('show', {'block': True}),\r\n        ('pause', {'interval': 10})\r\n    ])\r\n    def test_sigint(target, kwargs):\r\n        backend = plt.get_backend()\r\n        proc = WaitForStringPopen(\r\n            [sys.executable, \"-c\",\r\n             inspect.getsource(_test_sigint_impl) +\r\n             f\"\\n_test_sigint_impl({backend!r}, {target!r}, {kwargs!r})\"])\r\n        try:\r\n            proc.wait_for('DRAW')\r\n            stdout, _ = proc.communicate(timeout=_test_timeout)\r\n        except:\r\n            proc.kill()\r\n            stdout, _ = proc.communicate()\r\n            raise\r\n        print(stdout)\r\n\u003e       assert 'SUCCESS' in stdout\r\nE       AssertionError: assert 'SUCCESS' in '\\n'\r\nlib\\matplotlib\\tests\\test_backend_qt.py:136: AssertionError\r\n----------------------------- Captured log setup ------------------------------\r\nDEBUG    matplotlib.pyplot:pyplot.py:316 Loaded backend QtAgg version 5.15.7.\r\n---------------------------- Captured stdout call -----------------------------\r\n---------------------------- Captured stderr call -----------------------------\r\nWindows fatal exception: code 0xc0000139\r\nCurrent thread 0x00000664 (most recent call first):\r\n  File \"\u003cfrozen importlib._bootstrap\u003e\", line 219 in _call_with_frames_removed\r\n  File \"\u003cfrozen importlib._bootstrap_external\u003e\", line 1166 in create_module\r\n  File \"\u003cfrozen importlib._bootstrap\u003e\", line 556 in module_from_spec\r\n  File \"\u003cfrozen importlib._bootstrap\u003e\", line 657 in _load_unlocked\r\n  File \"\u003cfrozen importlib._bootstrap\u003e\", line 975 in _find_and_load_unlocked\r\n  File \"\u003cfrozen importlib._bootstrap\u003e\", line 991 in _find_and_load\r\n  File \"\u003cstring\u003e\", line 12 in interrupter\r\n  File \"C:\\Miniconda3-x64\\envs\\test-environment\\lib\\threading.py\", line 1254 in run\r\n  File \"C:\\Miniconda3-x64\\envs\\test-environment\\lib\\threading.py\", line 932 in _bootstrap_inner\r\n  File \"C:\\Miniconda3-x64\\envs\\test-environment\\lib\\threading.py\", line 890 in _bootstrap\r\nThread 0x00000538 (most recent call first):\r\n  File \"c:\\projects\\matplotlib\\lib\\matplotlib\\backends\\qt_compat.py\", line 168 in _exec\r\n  File \"c:\\projects\\matplotlib\\lib\\matplotlib\\backends\\backend_qt.py\", line 408 in start_event_loop\r\n  File \"c:\\projects\\matplotlib\\lib\\matplotlib\\pyplot.py\", line 557 in pause\r\n  File \"\u003cstring\u003e\", line 30 in _test_sigint_impl\r\n  File \"\u003cstring\u003e\", line 34 in \u003cmodule\u003e\r\nException in thread Thread-1:\r\nTraceback (most recent call last):\r\n  File \"C:\\Miniconda3-x64\\envs\\test-environment\\lib\\threading.py\", line 932, in _bootstrap_inner\r\n    self.run()\r\n  File \"C:\\Miniconda3-x64\\envs\\test-environment\\lib\\threading.py\", line 1254, in run\r\n    self.function(*self.args, **self.kwargs)\r\n  File \"\u003cstring\u003e\", line 12, in interrupter\r\nImportError: DLL load failed while importing win32api: The specified procedure could not be found.\r\n---------------------------- Captured log teardown ----------------------------\r\nDEBUG    matplotlib.pyplot:pyplot.py:316 Loaded backend agg version v2.2.\r\n```\r\n\r\n\u003c/details\u003e\n\n### Proposed fix\n\n_No response_","author":{"url":"https://github.com/ksunden","@type":"Person","name":"ksunden"},"datePublished":"2022-11-07T19:34:58.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":10},"url":"https://github.com/24394/matplotlib/issues/24394"}