ltutar opened a new issue #21392:
URL: https://github.com/apache/airflow/issues/21392
### Description
Hi,
It would be nice of the file `.airflowignore` also used 'glob' as
`.gitignore` for example. In my case when I used `*_test.py` instead of
`.*_test.py`, I could not see the dags and also got errors when I used `airflow
dags list`. The error message was not easy to understand. Without the help of
@potiuk, I was lost.
An example is shown below:
`
Traceback (most recent call last):
File "/usr/local/lib/python3.8/multiprocessing/process.py", line 315, in
_bootstrap
self.run()
File "/usr/local/lib/python3.8/multiprocessing/process.py", line 108, in
run
self._target(*self._args, **self._kwargs)
File
"/home/airflow/.local/lib/python3.8/site-packages/airflow/utils/dag_processing.py",
line 370, in _run_processor_manager
processor_manager.start()
File
"/home/airflow/.local/lib/python3.8/site-packages/airflow/utils/dag_processing.py",
line 610, in start
return self._run_parsing_loop()
File
"/home/airflow/.local/lib/python3.8/site-packages/airflow/utils/dag_processing.py",
line 620, in _run_parsing_loop
self._refresh_dag_dir()
File
"/home/airflow/.local/lib/python3.8/site-packages/airflow/utils/dag_processing.py",
line 755, in _refresh_dag_dir
self._file_paths = list_py_file_paths(self._dag_directory)
File
"/home/airflow/.local/lib/python3.8/site-packages/airflow/utils/file.py", line
169, in list_py_file_paths
file_paths.extend(find_dag_file_paths(directory, safe_mode))
File
"/home/airflow/.local/lib/python3.8/site-packages/airflow/utils/file.py", line
187, in find_dag_file_paths
for file_path in find_path_from_directory(str(directory),
".airflowignore"):
File
"/home/airflow/.local/lib/python3.8/site-packages/airflow/utils/file.py", line
115, in find_path_from_directory
patterns += [re.compile(line) for line in lines_no_comments if line]
File
"/home/airflow/.local/lib/python3.8/site-packages/airflow/utils/file.py", line
115, in <listcomp>
patterns += [re.compile(line) for line in lines_no_comments if line]
File "/usr/local/lib/python3.8/re.py", line 252, in compile
return _compile(pattern, flags)
File "/usr/local/lib/python3.8/re.py", line 304, in _compile
p = sre_compile.compile(pattern, flags)
File "/usr/local/lib/python3.8/sre_compile.py", line 764, in compile
p = sre_parse.parse(p, flags)
File "/usr/local/lib/python3.8/sre_parse.py", line 948, in parse
p = _parse_sub(source, state, flags & SRE_FLAG_VERBOSE, 0)
File "/usr/local/lib/python3.8/sre_parse.py", line 443, in _parse_sub
itemsappend(_parse(source, state, verbose, nested + 1,
File "/usr/local/lib/python3.8/sre_parse.py", line 668, in _parse
raise source.error("nothing to repeat",
re.error: nothing to repeat at position 0
`
### Use case/motivation
_No response_
### Related issues
_No response_
### Are you willing to submit a PR?
- [ ] Yes I am willing to submit a PR!
### Code of Conduct
- [X] I agree to follow this project's [Code of
Conduct](https://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md)
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