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b457f8d1c1
* feat: add deprecation warning when importing shared libs * enhance(downloader): add shared libs deprecation warns * enhance: add deprecation warning when (re)loading cogs * docs(downloader): add deprecation note about shared libs * chore(changelog): add towncrier entries * style: split long tuple unpacks in multiple lines * fix: argument to `humanize_list` has to be a sequence
30 lines
969 B
Python
30 lines
969 B
Python
from importlib.abc import MetaPathFinder
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import warnings
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class SharedLibDeprecationWarning(DeprecationWarning):
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pass
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warnings.simplefilter("always", SharedLibDeprecationWarning)
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class SharedLibImportWarner(MetaPathFinder):
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"""
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Deprecation warner for shared libraries. This class sits on `sys.meta_path`
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and prints warning if imported module is a shared library
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"""
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def find_spec(self, fullname, path, target=None) -> None:
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"""This is only supposed to print warnings, it won't ever return module spec."""
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parts = fullname.split(".")
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if parts[0] != "cog_shared" or len(parts) != 2:
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return None
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msg = (
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"One of cogs uses shared libraries which are"
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" deprecated and scheduled for removal in Red 3.3.\n"
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"You should inform author of the cog about this message."
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)
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warnings.warn(msg, SharedLibDeprecationWarning, stacklevel=2)
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return None
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