Fix #6

[Eeems]

Summary by CodeRabbit

• Bug Fixes

  • Improved error handling in tests to ensure invalid offsets are properly detected.
  • Adjusted test logic to dynamically calculate and use correct file offsets.

• Chores

  • Updated workflow and test scripts to use a temporary file for ext4 image creation, and modified artifact uploads to include both the temporary and final image files.
  • Enhanced cleanup routines in test scripts for better file management.

• Refactor

  • Improved internal file handling by updating volume read methods for better stream access.

[Eeems]

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"""

Walkthrough

The changes modify the process of generating and handling the test.ext4 filesystem image in build scripts and tests. The image creation now uses a temporary file, which is then prefixed with a character before forming the final image. The code and tests are updated to accommodate this change, including offset calculations and error handling.

Changes

Cohort / File(s)	Change Summary
Workflow and Script Updates .github/workflows/build.yaml, test.sh	Modified the ext4 image creation to use a temporary file (test.ext4.tmp), then generate test.ext4 by prefixing with "F" and appending the temp file. Artifact upload and cleanup steps updated accordingly.
Test Adjustments test.py	Added logic to compute offset between test.ext4 and test.ext4.tmp, validate error handling for invalid offset, and use the correct offset in volume initialization.
Internal API Usage Update ext4/struct.py	Updated Ext4Struct.read_from_volume to use volume.seek() and volume.read() instead of accessing the stream attribute directly.
Metadata Update pyproject.toml	Bumped project version from 1.1.0 to 1.1.1 without other content changes.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~15 minutes

Poem

A rabbit hopped through scripts and code,
With temp files in its clever load.
Prefixed an "F"—what fun, what flair!
Checked offsets here, and error there.
Now tests and builds both run anew,
This bunny leaves a clearer view! 🐇✨
"""

Note

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📒 Files selected for processing (1)

• pyproject.toml (1 hunks)

✅ Files skipped from review due to trivial changes (1)

• pyproject.toml

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• GitHub Check: Test on macos-latest python 3.10
• GitHub Check: Test on macos-latest python 3.9
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