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Feature: Split PDF#1

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MPCodeWriter21 merged 9 commits intomasterfrom
dev
Jun 10, 2025
Merged

Feature: Split PDF#1
MPCodeWriter21 merged 9 commits intomasterfrom
dev

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@MPCodeWriter21 MPCodeWriter21 commented Jun 10, 2025

Summary by CodeRabbit

  • New Features

    • Added the ability to split PDF files into multiple smaller PDFs via a new command-line option.
  • Documentation

    • Expanded the README with detailed descriptions for all features, including the new "Split PDFs" functionality and usage examples.
    • Added a "Donations" section to the README.
  • Chores

    • Enhanced pre-commit hook configuration, including new checks for code quality and formatting.
    • Added configuration for the ruff linter.

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coderabbitai Bot commented Jun 10, 2025

Walkthrough

The updates introduce a new "split PDF" feature with corresponding CLI support, add two new pre-commit hooks (ruff and vermin), and enhance configuration for code formatting and linting. Documentation is improved with expanded feature descriptions and a donations section. The pyproject.toml gains a configuration for the ruff linter.

Changes

File(s) Change Summary
.pre-commit-config.yaml Added ruff and vermin hooks; updated args for yapf and docformatter; removed redundant name fields.
README.md Expanded features section; added split PDF usage; improved clarity; added donations section.
main.py Added split_pdf and CLI entry point; adjusted imports; minor refactoring; updated docstrings.
pyproject.toml Added [tool.ruff] and [tool.ruff.lint] configuration for code linting; lowered Python version requirement.

Sequence Diagram(s)

sequenceDiagram
    participant User
    participant CLI
    participant main.py
    participant split_pdf

    User->>CLI: Run "split" command with input PDF and split points
    CLI->>main.py: Call split_pdf_entry_point()
    main.py->>split_pdf: Validate input, parse split points, call split_pdf()
    split_pdf->>main.py: Write split PDFs to output directory
    main.py->>CLI: Return success/failure
    CLI->>User: Display result
Loading

Poem

A rabbit hops through code so neat,
Now splitting PDFs is quite a feat!
With ruff and vermin, the linting is tight,
Docs are improved, features in sight.
Donations now welcome, the README’s aglow—
This project keeps growing, as all rabbits know!
🐇✨


📜 Recent review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 9409df3 and 0f8df9f.

📒 Files selected for processing (2)
  • main.py (7 hunks)
  • pyproject.toml (2 hunks)
🚧 Files skipped from review as they are similar to previous changes (2)
  • pyproject.toml
  • main.py
✨ Finishing Touches
  • 📝 Generate Docstrings

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Actionable comments posted: 2

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 5cc8d16 and 9409df3.

📒 Files selected for processing (4)
  • .pre-commit-config.yaml (1 hunks)
  • README.md (3 hunks)
  • main.py (7 hunks)
  • pyproject.toml (1 hunks)
🔇 Additional comments (10)
README.md (2)

10-22: Excellent documentation improvements!

The enhanced feature descriptions with detailed explanations provide clear guidance for users. The new "Split PDFs" section effectively documents the new functionality with practical examples.


57-70: Clear and helpful usage examples.

The split PDF usage examples effectively demonstrate both splitting by page ranges and single-page splitting, making the feature accessible to users.

main.py (5)

13-13: LGTM on import cleanup.

Removing unused PdfMatrix import is a good cleanup.


92-92: Good refactor to generator expression.

Using a generator expression instead of map(lambda...) is more readable and Pythonic.


465-517: Well-implemented split PDF functionality.

The split_pdf function handles edge cases properly:

  • Creates output directory if needed
  • Validates split points bounds
  • Handles permission errors gracefully
  • Provides informative logging

The logic for handling split points and page ranges is correct.


520-560: Robust entry point implementation.

The split_pdf_entry_point function follows established patterns from other entry points:

  • Proper input validation
  • Consistent error handling
  • Appropriate logging configuration
  • Clear user feedback

575-575:

Details

❓ Verification inconclusive

Verify CLI integration works correctly.

The new split command is properly added to the CLI dictionary.

Let's verify the CLI integration works as expected:


🏁 Script executed:

#!/bin/bash
# Description: Test the CLI integration for the new split command

# Check if the split command is properly integrated
python main.py --help 2>/dev/null | grep -i split || echo "Split command not found in help"

# Verify the function is callable
python -c "
import sys
sys.path.append('.')
from main import split_pdf_entry_point
import inspect
print('Function signature:', inspect.signature(split_pdf_entry_point))
"

Length of output: 491


🏁 Script executed:

#!/bin/bash
# Inspect main.py for CLI integration and dependencies

echo "---- import log21 occurrences ----"
rg "import log21" -n main.py || true

echo
echo "---- argparse usage ----"
rg "argparse" -n main.py || true

echo
echo "---- split_pdf_entry_point references ----"
rg "split_pdf_entry_point" -n main.py || true

Length of output: 447


🏁 Script executed:

#!/bin/bash
# Search for CLI entrypoint and parser definitions in main.py

echo "---- __main__ entrypoint ----"
rg -n "if __name__.*__main__" -n main.py || true

echo
echo "---- def main ----"
rg -n "def main" -n main.py || true

echo
echo "---- argparse/ArgumentParser ----"
rg -n "ArgumentParser" -n main.py || true

echo
echo "---- click usage ----"
rg -n "click\." -n main.py || true

Length of output: 457


🏁 Script executed:

#!/bin/bash
# Display CLI command registration and entrypoint logic
echo "---- Commands dictionary and dispatcher ----"
sed -n '500,650p' main.py

Length of output: 3071


Manual verification required: missing log21 dependency prevents automated CLI tests

It looks like the new split command is correctly registered in the __main__ block (main.py lines 572–582), but running python main.py --help fails due to a missing log21 module. Please ensure log21 is installed and then manually verify:

  • Install or include the log21 dependency so that import log21 at line 10 succeeds.

  • Run python main.py --help and confirm the split command appears in the help output.

  • From a REPL or one-liner, import and inspect the entry point:

    python - <<'PYCODE'
    import sys
    sys.path.append('.')
    from main import split_pdf_entry_point
    import inspect
    print(inspect.signature(split_pdf_entry_point))
    PYCODE
.pre-commit-config.yaml (3)

17-17: Good enhancement to yapf arguments.

Adding -i for in-place formatting and -m for minimal diff output improves the pre-commit workflow.


27-35: Excellent addition of modern linting tools.

The ruff and vermin hooks enhance code quality:

  • Ruff provides fast, comprehensive linting
  • Vermin ensures Python version compatibility (targeting 3.11+ correctly)

The vermin configuration is comprehensive with appropriate backport checks.


23-26:

Details

✅ Verification successful

Verify the docformatter commit hash is valid.

Using a commit hash instead of a version tag requires verification to ensure it's a valid, secure commit.


🏁 Script executed:

#!/bin/bash
# Description: Verify the docformatter commit hash is valid and recent

# Check if the commit exists and get its details
curl -s "https://api.github.com/repos/PyCQA/docformatter/commits/06907d0" | jq '.commit.message, .commit.committer.date' || echo "Failed to fetch commit info"

Length of output: 413


Commit hash verified

The specified commit (06907d0) exists in the PyCQA/docformatter repository with message:

🩹 Fix pre commit hook manifest (#287)

and was committed on 2024-10-09T18:21:50Z. No further action is required.

Comment thread pyproject.toml
Comment thread main.py Outdated
@MPCodeWriter21 MPCodeWriter21 merged commit 4bbca82 into master Jun 10, 2025
1 check passed
@MPCodeWriter21 MPCodeWriter21 deleted the dev branch June 10, 2025 12:16
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1 participant