GeezerVison is showing github.com — binascii.hexlify by youknowone · Pull Request #5820 · RustPython/RustPython
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youknowone
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Jun 22, 2025
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edited by coderabbitai
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Summary by CodeRabbit
-
New Features
- Enhanced hexlify functionality to support optional separators between groups of hex-encoded bytes.
-
Bug Fixes
- Updated test cases to run as normal tests, removing their expected failure status.
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coderabbitai
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commented
Jun 22, 2025
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edited
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Walkthrough
The updates enhance the hexlify function in the binascii module to support optional separator insertion between groups of hex-encoded bytes. Corresponding test cases are updated to remove expected failure markers, reflecting the improved functionality. The function and struct signatures are adjusted to accommodate these changes.
Changes
| File(s) |
Change Summary |
| stdlib/src/binascii.rs |
Extended hexlify to accept optional separator and interval arguments; updated function and struct signatures. |
| Lib/test/test_binascii.py |
Removed @unittest.expectedFailure and related comments from two test methods. |
Sequence Diagram(s)
sequenceDiagram
participant Caller
participant binascii.hexlify
participant Validator
Caller->>binascii.hexlify: Call with data, sep (optional), bytes_per_sep (optional)
binascii.hexlify->>Validator: Validate sep (if provided)
Validator-->>binascii.hexlify: Return validation result
binascii.hexlify->>binascii.hexlify: Hexlify data, insert sep at intervals (if specified)
binascii.hexlify-->>Caller: Return hexlified bytes (with or without separators)
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Poem
In the land of hex, a new path appears,
With separators dancing between bytey peers.
No longer expected to stumble or fail,
The tests now hop on a seamless trail.
Rusty code and Python unite,
Hexlify shines ever so bright!
🐇✨
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📥 Commits
Reviewing files that changed from the base of the PR and between 5d68313 and eafdfe1.
📒 Files selected for processing (2)
Lib/test/test_binascii.py (0 hunks)stdlib/src/binascii.rs (2 hunks)
💤 Files with no reviewable changes (1)
- Lib/test/test_binascii.py
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🔇 Additional comments (3)
stdlib/src/binascii.rs (3)
46-161: Well-implemented enhancement to support hex separators!
The implementation correctly handles the optional separator insertion with both positive and negative bytes_per_sep values, matching Python's behavior. The error validation, optimization for simple cases, and pre-allocation of the result vector are all excellent design choices.
477-477: Good type broadening for quoted-printable encoding!
Changing from ArgAsciiBuffer to ArgBytesLike correctly allows the function to accept any bytes-like input, which aligns with Python's binascii.b2a_qp behavior that can encode any binary data.
52-53: Verify the default value for bytes_per_sep matches Python's behavior.
The implementation uses a default value of 1 for bytes_per_sep. Please ensure this matches Python's binascii.hexlify behavior.
What is the default value of bytes_per_sep parameter in Python's binascii.hexlify function when a separator is provided?
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