Fix/130

[lmseidler]

This pull request improves the way ORCA binary versions are extracted and adds comprehensive tests for the new approach. The main change is switching to memory-mapped file access (mmap) for parsing the version directly from the binary, which is more efficient. The code now also gracefully falls back to reading the file if memory-mapping fails, ensuring robustness. Additionally, new unit tests have been added to verify correctness and benchmark the performance of both methods.

ORCA version extraction improvements:

• Updated get_orca_version in src/censo/config/paths.py to use mmap for parsing the version from the ORCA binary, with a fallback to reading the file if memory-mapping fails. This improves performance and reliability when extracting the version string.
• Added import mmap to src/censo/config/paths.py to support memory-mapped file access.

Testing and benchmarking:

• Added new unit tests in test/unit/test_config/test_paths.py to verify that ORCA version parsing using mmap matches the previous method and to benchmark the speedup achieved.

fixes #130

[Copilot]

Pull request overview

This PR addresses incorrect ORCA version detection (issue #130) by extracting the version from the ORCA binary contents instead of parsing it from the executable path, using mmap with a read fallback for robustness.

Changes:

• Updated PathsConfig.get_orca_version to search for Program Version X.Y.Z within the ORCA binary via mmap, with a fallback to reading bytes if memory-mapping fails.
• Added a new unit test file intended to compare mmap-based parsing with the previous full-read approach and print a benchmark.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 3 comments.

File	Description
src/censo/config/paths.py	Switches ORCA version extraction to binary-content parsing using mmap with a read fallback.
test/unit/test_config/test_paths.py	Adds a test/benchmark comparing mmap vs full-read parsing (currently environment-dependent).

---

💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.