check-duplicate-functions

Detect duplicate function names in Python files using AST parsing.

Features

Detects duplicate function names (module-level and in classes)
AST-based; handles async functions and type annotations
Excludes special methods (__init__, __str__, etc.)
No external dependencies

Requirements

Python 3.8+
Standard library only

Installation

pip install check-duplicate-functions

Usage

check-duplicate-functions <python_file_path>

Examples

check-duplicate-functions my_script.py
check-duplicate-functions src/utils.py

Output

No duplicates: Exits with code 0 (no output)
Duplicates found: Prints each duplicate name and line numbers, e.g.
[DUPLICATE] 'my_function' appears on lines: 10, 25, 42
Errors: Prints message and exits with code 1

Exit codes

0 — Success
1 — Error (bad args, file not found, syntax error, etc.)

Author

Pandiyaraj Karuppasamy

Metadata

Release files for check-duplicate-functions 1.0.2

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Source distribution (sdist)

Source distribution for check-duplicate-functions 1.0.2
File	Size	Uploaded	Provenance
check_duplicate_functions-1.0.2.tar.gz	6.9 kB	Jul 20, 2026	Without provenance	Details

Built distribution (wheel)

Table of built distributions (wheels) for check-duplicate-functions 1.0.2
File	Interpreter	ABI	Platform	Reset
check_duplicate_functions-1.0.2-py3-none-any.whl 7.2 kB Jul 20, 2026 Without provenance	Python 3	none	any	Details

Total release size: 14.1 kB

Release files / check_duplicate_functions-1.0.2.tar.gz

Download URL	check_duplicate_functions-1.0.2.tar.gz
Size	6.9 kB
Tags	Source
SHA-256 checksum How to use checksums	`e67c8f576c16d2f5ac81c3914bfb23ed02a3410d234ba3d091353f8e9b6c3c7e`
BLAKE2b-256 checksum How to use checksums	`451abb9933f8b6fb519e501042873f3a89204b778d553a4fa965be2438aa2e3e`
Upload date	Jul 20, 2026
Uploaded using Trusted Publishing? What is trusted publishing?	No
Uploaded via	`twine/6.2.0 CPython/3.13.5`

Release files / check_duplicate_functions-1.0.2-py3-none-any.whl

Download URL	check_duplicate_functions-1.0.2-py3-none-any.whl
Size	7.2 kB
Tags	Python 3
SHA-256 checksum How to use checksums	`ae86452fdb95b2a9ee88972bcaeb9599dbfdeda1be8edad856eca085391227a9`
BLAKE2b-256 checksum How to use checksums	`4e2d87eb349042b38996684fc156dd54725b0d85a5d8c6a5c13a6f2245342a0f`
Upload date	Jul 20, 2026
Uploaded using Trusted Publishing? What is trusted publishing?	No
Uploaded via	`twine/6.2.0 CPython/3.13.5`

Security for check-duplicate-functions 1.0.2

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