entrypoints

library0.4pypypi✓ verified 35d ago

The `entrypoints` library facilitates the discovery and loading of entry points advertised by installed Python packages. It offers a lightweight and faster alternative to `pkg_resources` for this specific functionality, avoiding the full package scans that can slow down `pkg_resources` at import time. The current version is 0.4. The package is in maintenance-only mode, with new code advised to use the `importlib.metadata` module from the Python standard library for entry point management.

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Install & Compatibility

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Code

Verified usage

Verified import paths — ran on the pinned version, not inferred.

from entrypoints import get_group_all

from entrypoints import get_group_named

from entrypoints import EntryPoint

This quickstart demonstrates how to find and load entry points, specifically 'console_scripts'. It iterates through found entry points, prints their details, and attempts to load the associated Python object.

from entrypoints import get_group_all # Example: Find all 'console_scripts' entry points console_scripts = get_group_all('console_scripts') print(f"Found {len(console_scripts)} console scripts:") for ep in console_scripts: print(f" - {ep.name}: {ep.module}.{ep.attr}") try: # Load the entry point (e.g., a function) loaded_object = ep.load() # You can then call the loaded_object if it's a function # print(f" Loaded object: {loaded_object}") except Exception as e: print(f" Could not load {ep.name}: {e}")

Debug

Known footguns

breakingThe `entrypoints` package is in maintenance-only mode. New code should use `importlib.metadata` (part of the Python standard library since 3.8, non-provisional since 3.10) for discovering and loading entry points. For Python versions older than 3.8, consider using the `importlib_metadata` backport.

gotchaWhen multiple versions of the same distribution are present in different directories on `sys.path`, `entrypoints` follows a 'first one wins' rule. This typically aligns with Python's import logic, but can lead to unexpected behavior if specific versions are expected.

gotcha`entrypoints` relies on `pip` (or similar tools) to ensure only one `.dist-info` or `.egg-info` directory exists for each installed package. If this assumption is violated, there's no reliable way to pick the correct metadata, which can lead to incorrect entry point resolution.

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Resources

githubhttps://github.com/takluyver/entrypoints ↗

packagehttps://pypi.org/project/entrypoints/ ↗

docshttps://entrypoints.readthedocs.io/en/latest/ ↗