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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"allure-pytest raises an exception when writing to log from a thread started inside pytest_generate_tests","articleBody":"#### I'm submitting a ... \r\n  - [x] bug report\r\n\r\n#### What is the current behavior?\r\nI have a function that creates a thread which writes some information in the log. When I try to call it from `pytest_generate_tests` allure-pytest raises the following `StopIteration` exception:\r\n```\r\nplatform linux -- Python 3.9.16, pytest-7.4.0, pluggy-1.2.0\r\nrootdir: /mnt/c/storage/allure_bug\r\nplugins: allure-pytest-2.13.2\r\ncollecting ... Exception in thread Thread-1:\r\nTraceback (most recent call last):\r\n  File \"/usr/lib/python3.9/threading.py\", line 980, in _bootstrap_inner\r\n    self.run()\r\n  File \"/usr/lib/python3.9/threading.py\", line 917, in run\r\n    self._target(*self._args, **self._kwargs)\r\n  File \"/mnt/c/storage/allure_bug/conftest.py\", line 17, in _thread\r\n    log.warning('thread')\r\n  File \"/usr/lib/python3.9/logging/init.py\", line 1458, in warning\r\n    self._log(WARNING, msg, args, **kwargs)\r\n  File \"/usr/lib/python3.9/logging/init.py\", line 1589, in _log\r\n    self.handle(record)\r\n  File \"/usr/lib/python3.9/logging/init.py\", line 1599, in handle\r\n    self.callHandlers(record)\r\n  File \"/usr/lib/python3.9/logging/init.py\", line 1661, in callHandlers\r\n    hdlr.handle(record)\r\n  File \"/usr/lib/python3.9/logging/init.py\", line 952, in handle\r\n    self.emit(record)\r\n  File \"/mnt/c/storage/allure_bug/conftest.py\", line 9, in emit\r\n    with step(f'[{record.levelname}] {record.getMessage()}'):\r\n  File \"/tmp/test_venv/lib/python3.9/site-packages/allure_commons/_allure.py\", line 179, in enter\r\n    plugin_manager.hook.start_step(uuid=self.uuid, title=self.title, params=self.params)\r\n  File \"/tmp/test_venv/lib/python3.9/site-packages/pluggy/_hooks.py\", line 433, in call\r\n    return self._hookexec(self.name, self._hookimpls, kwargs, firstresult)\r\n  File \"/tmp/test_venv/lib/python3.9/site-packages/pluggy/_manager.py\", line 112, in _hookexec\r\n    return self._inner_hookexec(hook_name, methods, kwargs, firstresult)\r\n  File \"/tmp/test_venv/lib/python3.9/site-packages/pluggy/_callers.py\", line 116, in _multicall\r\n    raise exception.with_traceback(exception.traceback)\r\n  File \"/tmp/test_venv/lib/python3.9/site-packages/pluggy/_callers.py\", line 80, in _multicall\r\n    res = hook_impl.function(*args)\r\n  File \"/tmp/test_venv/lib/python3.9/site-packages/allure_pytest/listener.py\", line 48, in start_step\r\n    self.allure_logger.start_step(None, uuid, step)\r\n  File \"/tmp/test_venv/lib/python3.9/site-packages/allure_commons/reporter.py\", line 128, in start_step\r\n    parent_uuid = parent_uuid if parent_uuid else self._last_executable()\r\n  File \"/tmp/test_venv/lib/python3.9/site-packages/allure_commons/reporter.py\", line 71, in _last_executable\r\n    for _uuid in reversed(self._items):\r\n  File \"/tmp/test_venv/lib/python3.9/site-packages/allure_commons/reporter.py\", line 39, in reversed\r\n    return self.thread_context.reversed()\r\n  File \"/tmp/test_venv/lib/python3.9/site-packages/allure_commons/reporter.py\", line 21, in thread_context\r\n    uuid, last_item = next(reversed(self._thread_context[self._init_thread].items()))\r\nStopIteration\r\ncollected 1 item\r\n\r\ntest_bug.py test\r\n.\r\n```\r\n\r\n#### If the current behavior is a bug, please provide the steps to reproduce and if possible a minimal demo of the problem\r\n1. Install requirements `pip install pytest allure-pytest`\r\n2. Prepare the demo test suite:\r\n\r\nconftest.py\r\n```python\r\nimport logging\r\nfrom threading import Thread\r\n\r\nfrom allure import step\r\n\r\nclass AllureLoggerHandler(logging.Handler):\r\n    def emit(self, record):\r\n        with step(f'[{record.levelname}] {record.getMessage()}'):\r\n            pass\r\n\r\nlog = logging.getLogger()\r\nallure_handler = AllureLoggerHandler()\r\nlog.addHandler(allure_handler)\r\n\r\ndef _thread():\r\n    log.warning('thread')\r\n\r\ndef pytest_generate_tests(metafunc):\r\n    log.info('generate')\r\n    thread = Thread(target=_thread)\r\n    thread.start()\r\n    thread.join(100)\r\n```\r\ntest_bug.py\r\n```python\r\ndef test_allure_log():\r\n    print('test')\r\n```\r\n3. Run test: `pytest -s --alluredir=./allure`\r\n\r\n#### What is the expected behavior?\r\nTest suite works without any exceptions\r\n\r\n#### What is the motivation / use case for changing the behavior?\r\n\r\n\r\n#### Please tell us about your environment:\r\n\r\n- Allure version:        2.22.0\r\n- Test framework:     pytest 7.4.0\r\n- Allure adaptor:       allure-pytest 2.13.2\r\n\r\n#### Other information \r\n\r\n[//]: # (\r\n. e.g. detailed explanation, stacktraces, related issues, suggestions \r\n. how to fix, links for us to have more context, eg. Stackoverflow, Gitter etc\r\n)\r\n","author":{"url":"https://github.com/eltimen","@type":"Person","name":"eltimen"},"datePublished":"2023-08-04T20:47:53.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/757/allure-python/issues/757"}