36 lines
1.1 KiB
Python
36 lines
1.1 KiB
Python
# -*- coding: utf-8 -*-
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import pkg_resources
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def get_plugins(group, point='', name=None, fallback=None):
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"""
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Iterate through plugins (`connect_plugin` attribute of entry point)
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which name starts with `point` or equals to `name`.
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If `fallback` kwarg specified, plugin with that name yield last.
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"""
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for ep in pkg_resources.iter_entry_points('bitmessage.' + group):
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if name and ep.name == name or ep.name.startswith(point):
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try:
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plugin = ep.load().connect_plugin
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if ep.name == fallback:
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_fallback = plugin
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else:
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yield plugin
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except (AttributeError,
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ImportError,
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ValueError,
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pkg_resources.DistributionNotFound,
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pkg_resources.UnknownExtra):
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continue
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try:
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yield _fallback
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except NameError:
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pass
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def get_plugin(*args, **kwargs):
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"""Returns first available plugin `from get_plugins()` if any."""
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for plugin in get_plugins(*args, **kwargs):
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return plugin
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