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osc2_scenario: Fix SyntaxWarnings #1122

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merged 2 commits into from
Mar 27, 2025

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wentasah
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@wentasah wentasah commented Oct 16, 2024

Checklist:

  • Your branch is up-to-date with the master branch and tested with latest changes
  • Extended the README / documentation, if necessary
  • Code compiles correctly and runs
  • Code is formatted and checked with Utilities/code_check_and_formatting.sh
  • Changelog is updated

Description

This fixes warnings like the one below:

.../srunner/scenarios/osc2_scenario.py:515: SyntaxWarning: invalid escape sequence '\W'
expression_value = re.split("\W+", option)

These were introduced in Python 3.12. See https://docs.python.org/3.12/reference/lexical_analysis.html#escape-sequences.

Where has this been tested?

  • Platform(s): Linux
  • Python version(s): 3.12
  • Unreal Engine version(s): 4.26
  • CARLA version: 0.9.15

Possible Drawbacks

Hopefully none. r-strings are available even in Python 2.6, so this should work even with older Python versions.


This change is Reviewable

This fixes warnings like the one below:

    .../srunner/scenarios/osc2_scenario.py:515: SyntaxWarning: invalid escape sequence '\W'
    expression_value = re.split("\W+", option)
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@Daraan Daraan left a comment

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LGTM, I am no maintainer though. Raw strings are indeed already present in Python2 and \W is not a escape sequence recognized by python.

I would encourage their usage for regex much more as it helps to avoid mistakes and future compatibility.

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Reviewed 2 of 2 files at r1, all commit messages.
Reviewable status: :shipit: complete! all files reviewed, all discussions resolved (waiting on @wentasah)

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Reviewed 1 of 2 files at r1, 1 of 1 files at r2, all commit messages.
Reviewable status: :shipit: complete! all files reviewed, all discussions resolved (waiting on @wentasah)

@glopezdiest glopezdiest merged commit aff5dbc into carla-simulator:master Mar 27, 2025
1 of 4 checks passed
Daraan pushed a commit to Daraan/scenario_runner that referenced this pull request Mar 27, 2025
This fixes warnings like the one below:

    .../srunner/scenarios/osc2_scenario.py:515: SyntaxWarning: invalid escape sequence '\W'
    expression_value = re.split("\W+", option)

Co-authored-by: glopezdiest <[email protected]>
glopezdiest added a commit that referenced this pull request Mar 31, 2025
* upgraded version checking to fix deprecation warnings

Removed usage of pgk_resources and distutils.version.LooseVersion

* Code cleanup 1

Ruff E,W, defalts

* Check return statement

--ignore F405,F403,F401,RET504,RET505 --exclude tests/ --select E,W,R,PIE,R

* flake8-bugbear

* remove full width comma

* Simplify code with SIM

* remove double defined function

* fix too long lines

* Unnecessary lambda and unnecessary else if

* parameterless super()

minor changes

* Whitespace and other E,W fixes

* Add docstring to CDP methods

- minor lint fixes

* Avoid unbound Name Error

* Solve most atomic behavior warnings

* further formatting

remove extra lines (#1074)

Add misc type default blueprint (#1064)

Co-authored-by: Pablo Villanueva-Domingo <[email protected]>

Fix: wrong initial transform when using request_new_batch_actors (#1068) (#1075)

See: #1068

Co-authored-by: Daraan <[email protected]>

Update atomic_trigger_conditions.py (#946)

In the StandStill() class, change the EPSILON, 0.001

Implement variable frame rate (#1005)

Replaced class variable frame_rate with an argument provided on the CLI.

Co-authored-by: glopezdiest <[email protected]>

Workflow improvements and code quality passing (#1052)

* CI: Checkout v4 and unit tests name correction

* Small tweaks to ensure Code Quality passes

---------

Co-authored-by: glopezdiest <[email protected]>

Fixed metrics wheel parser (#1076)

Co-authored-by: glopezdiest <[email protected]>

[Feature] Blueprint-based spawn_actor function for CarlaDataProvider (#1071)

* blueprint-based spawn_actor function for CDP

* Auto-Option to decide tracking

* Updated changelog

* spawned actors are tracked if they are Vehicle | Walker

* Updated spawn_actor description

---------

Co-authored-by: glopezdiest <[email protected]>

Hotfix: missing AttachmentType in the carla mock module for unittest (#1077)

* blueprint-based spawn_actor function for CDP

* Auto-Option to decide tracking

* Updated changelog

* spawned actors are tracked if they are Vehicle | Walker

* Updated spawn_actor description

* Added missing AttachmentType for carla mock

---------

Co-authored-by: glopezdiest <[email protected]>

Backward compatible upgrade to fix deprecation warnings concerning LooseVersion and pkg_resources for Python3.8+ (#1058)

* upgraded version checking to fix deprecation warnings

Removed usage of pgk_resources and distutils.version.LooseVersion

* < python3.8 backward compatible version checking

* Compacter version checking.

---------

Co-authored-by: glopezdiest <[email protected]>

Replace deprecated python 3.8 code and add missing __init__.py files for proper python module recognition (#1053)

Co-authored-by: glopezdiest <[email protected]>

add support for scientific notation parsing while running OpenSCENARIO files (#1023)

Co-authored-by: glopezdiest <[email protected]>

Update osc2_scenario_configuration.py (#1040)

Add super.__init__() to class OSC2ScenarioConfiguration to prevent error "AttributeError: 'OSC2ScenarioConfiguration' object has no attribute 'route'" when running scenario_runner.py with --openscenario2 parameter

Co-authored-by: glopezdiest <[email protected]>

Remove version redundancy (#1081)

Update minimum CARLA version to 0.9.14 (#1082)

* Remove version redundancy

* Merge branch 'master' of https://github.com/carla-simulator/scenario_runner

* Update minimum CARLA version

Type-hint comments for CarlaDataProvider (#1066)

* Type-hint comments for CarlaDataProvider

* Suppress Any import warning

* Removed None values, increased type-coverage

Added log agent

[fix]rename compound_symbol.py (#1089)

Fixed a typo in openscenario_parser.py (#1118)

* Fixed a typo

There was a typo in function "get_traffic_light_from_osc_name", which was accessing "CCarlaDataProvider" insted of "CarlaDataProvider".

* Delete the unneeded file

Fix: Remove duplicate clean method calls (#1096)

* [fix]rename compound_symbol.py

* [fix]Remove duplicate clean method calls

* Fix Atomic_behaviors AddActor Func

No return status

Link documentation in README (#1129)

Include 0.9.14 carla release as compatible with scenario runner 0.9.13 (#1130)

* Link documentation in README

* Include 0.9.14 carla release as compatible with scenario runner 0.9.13

* Merge branch 'master' into docs_in_readme

Added a missing element to the blackboard (#1141)

Co-authored-by: glopezdiest <[email protected]>

Replaced deprecated is_intersection with is_junction (#1114)

Co-authored-by: glopezdiest <[email protected]>

CDP request_new_actor new optional argument. (#1113)

spawn_point can be ommited when random_location=True

Co-authored-by: glopezdiest <[email protected]>

Faster information retrieval if actor key is present (#1098)

Co-authored-by: glopezdiest <[email protected]>

Don't depend on distutils (#1121)

distutils are no longer available in Python 3.12. Therefore, we copy
the strtobool function from distutils to our own module. This is in
line with https://peps.python.org/pep-0632/#migration-advice.

Co-authored-by: glopezdiest <[email protected]>

Fix dead actor accumulation in CDP (#1091)

* Slightly more informative function

Returns bool if actor was in the pool, else otherwise

* Fix accumulation of dead actors in CDP actor pool

* Dead actor cleaning in CDP._actor_*_maps

---------

Co-authored-by: glopezdiest <[email protected]>

* osc2_scenario: Fix SyntaxWarnings (#1122)

This fixes warnings like the one below:

    .../srunner/scenarios/osc2_scenario.py:515: SyntaxWarning: invalid escape sequence '\W'
    expression_value = re.split("\W+", option)

Co-authored-by: glopezdiest <[email protected]>

* formatting

* Return iterable

* fix: missing import, docstring, explicit return

* style: unnecessary super

* style: import order

* fix | ignore further infractions

* some more formatting

* define method in init

* less general Exception
also formatting

---------

Co-authored-by: glopezdiest <[email protected]>
Co-authored-by: Michal Sojka <[email protected]>
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3 participants