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https://issues.apache.org/jira/browse/AIRFLOW-1729?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16542905#comment-16542905
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ASF subversion and git services commented on AIRFLOW-1729:
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Commit 23191605e463c85f0935cbf5c47f31c357d1596b in incubator-airflow's branch
refs/heads/v1-10-test from [~ashb]
[ https://git-wip-us.apache.org/repos/asf?p=incubator-airflow.git;h=2319160 ]
[AIRFLOW-1729][AIRFLOW-2797][AIRFLOW-2729] Ignore whole directories in
.airflowignore
We can ignore whole directories by removing them
from the `dirs` array
that `os.walk()` returns. Doing this means that we
fewer disk ops if
someone has a set of modules in their dag folder
that they want to
ignore.
Also fixes [AIRFLOW-2797] - we weren't honoring
.airflowignore from a
parent dir as of #3717 -- that (expected)
behaviour is now back again.
De-duplicate the walking code as well - we had two
versions that had
gotten out of sync as of #3171. So that doesn't
happen again we now only
have one version.
Closes #3602 from ashb/ignore-whole-dirs-
airflowignore
(cherry picked from commit 6b2fdbef0ab4bd1ed91e6338bcf6440e782b7035)
Signed-off-by: Bolke de Bruin <bo...@xs4all.nl>
> Ignore whole directories in .airflowignore
> ------------------------------------------
>
> Key: AIRFLOW-1729
> URL: https://issues.apache.org/jira/browse/AIRFLOW-1729
> Project: Apache Airflow
> Issue Type: Improvement
> Components: core
> Affects Versions: Airflow 2.0
> Reporter: Cedric Hourcade
> Assignee: Ash Berlin-Taylor
> Priority: Minor
> Fix For: 2.0.0
>
>
> The .airflowignore file allows to prevent scanning files for DAG. But even if
> we blacklist fulldirectory the {{os.walk}} will still go through them no
> matter how deep they are and skip files one by one, which can be an issue
> when you keep around big .git or virtualvenv directories.
> I suggest to add something like:
> {code}
> dirs[:] = [d for d in dirs if not any([re.findall(p, os.path.join(root, d))
> for p in patterns])]
> {code}
> to prune the directories here:
> https://github.com/apache/incubator-airflow/blob/cfc2f73c445074e1e09d6ef6a056cd2b33a945da/airflow/utils/dag_processing.py#L208-L209
> and in {{list_py_file_paths}}
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