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[fix] issues when launching a local development server

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A local development server can be launched by one of these command lines::

    $ flask --app searx.webapp run
    $ python -m searx.webapp

The different ways of starting the server should lead to the same result, which
is generally the case.  However, if the modules are reloaded after code
changes (reload option), it must be avoided that the application is initialized
twice at startup.  We have already discussed this in 2022 [1][2].

Further information on this topic can be found in [3][4][5].

To test a bash in the ./local environment was started and the follwing commands
had been executed::

    $ ./manage pyenv.cmd bash --norc --noprofile
    (py3) SEARXNG_DEBUG=1 flask --app searx.webapp run --reload
    (py3) SEARXNG_DEBUG=1 python -m searx.webapp

Since the generic parts of the docs also initialize the app to generate doc from
it, the build of the docs was also tested::

    $ make docs.clean docs.live

[1] https://github.com/searxng/searxng/pull/1656#issuecomment-1214198941
[2] https://github.com/searxng/searxng/pull/1616#issuecomment-1206137468
[3] https://flask.palletsprojects.com/en/stable/api/#flask.Flask.run
[4] https://github.com/pallets/flask/issues/5307#issuecomment-1774646119
[5] https://stackoverflow.com/a/25504196

Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
This commit is contained in:
Markus Heiser 2025-04-09 14:01:01 +02:00 • committed by Markus Heiser
parent 5ae3b3f17e
commit e9157b3c1a
8 changed files with 112 additions and 76 deletions
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9
tests/robot/__main__.py
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@ -27,15 +27,6 @@ class SearxRobotLayer:
webapp = str(tests_path.parent / 'searx' / 'webapp.py')
exe = 'python'
# The Flask app is started by Flask.run(...), don't enable Flask's debug
# mode, the debugger from Flask will cause wired process model, where
# the server never dies. Further read:
#
# - debug mode: https://flask.palletsprojects.com/quickstart/#debug-mode
# - Flask.run(..): https://flask.palletsprojects.com/api/#flask.Flask.run
os.environ['SEARXNG_DEBUG'] = '0'
# set robot settings path
os.environ['SEARXNG_SETTINGS_PATH'] = str(tests_path / 'robot' / 'settings_robot.yml')