OpenScenarioXML Export

[Eric-Vin]

Description

Added experimental functionality to export the result of a Scenic simulation to OpenScenarioXML.

Issue Link

#334 #32

Checklist

• I have tested the changes locally via pytest and/or other means
• I have added or updated relevant documentation
• I have autoformatted the code with black and isort
• I have added test cases (if applicable)

Additional Notes

N/A

[codecov]

Codecov Report

❌ Patch coverage is 17.56757% with 61 lines in your changes missing coverage. Please review.
✅ Project coverage is 87.97%. Comparing base (4be87bd) to head (96b3ee1).

Files with missing lines	Patch %	Lines
src/scenic/core/serialization.py	6.15%	61 Missing ⚠️

❌ Your patch check has failed because the patch coverage (17.56%) is below the target coverage (80.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #421      +/-   ##
==========================================
- Coverage   89.85%   87.97%   -1.89%     
==========================================
  Files          48       48              
  Lines       13346    13419      +73     
==========================================
- Hits        11992    11805     -187     
- Misses       1354     1614     +260     

Files with missing lines	Coverage Δ
src/scenic/core/simulators.py	83.76% <100.00%> (-12.08%)	⬇️
src/scenic/core/serialization.py	34.79% <6.15%> (-56.55%)	⬇️

... and 10 files with indirect coverage changes

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[Eric-Vin]

An example scenario of a pedestrian crossing the road, occluded by a car, simulated in Metadrive and then exported to XOSC and replayed in ESMINI.
Metadrive GIF:

ESMINI Replay MP4:
https://github.com/user-attachments/assets/e7032e35-11f1-49e3-8634-6703ead6e9ba