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df8d4c83a6
* bpo-41490: ``path`` method to aggressively close handles * Add blurb * In ZipReader.contents, eagerly evaluate the contents to release references to the zipfile. * Instead use _ensure_sequence to ensure any iterable from a reader is eagerly converted to a list if it's not already a sequence.
41 lines
1.2 KiB
Python
41 lines
1.2 KiB
Python
import zipfile
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import pathlib
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from . import abc
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class FileReader(abc.TraversableResources):
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def __init__(self, loader):
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self.path = pathlib.Path(loader.path).parent
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def resource_path(self, resource):
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"""
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Return the file system path to prevent
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`resources.path()` from creating a temporary
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copy.
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"""
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return str(self.path.joinpath(resource))
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def files(self):
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return self.path
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class ZipReader(abc.TraversableResources):
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def __init__(self, loader, module):
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_, _, name = module.rpartition('.')
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self.prefix = loader.prefix.replace('\\', '/') + name + '/'
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self.archive = loader.archive
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def open_resource(self, resource):
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try:
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return super().open_resource(resource)
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except KeyError as exc:
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raise FileNotFoundError(exc.args[0])
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def is_resource(self, path):
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# workaround for `zipfile.Path.is_file` returning true
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# for non-existent paths.
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target = self.files().joinpath(path)
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return target.is_file() and target.exists()
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def files(self):
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return zipfile.Path(self.archive, self.prefix)
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