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import zipfile
import pathlib
from . import abc
class FileReader(abc.TraversableResources):
def __init__(self, loader):
self.path = pathlib.Path(loader.path).parent
def files(self):
return self.path
class ZipReader(FileReader):
def __init__(self, loader, module):
_, _, name = module.rpartition('.')
prefix = loader.prefix.replace('\\', '/') + name + '/'
self.path = zipfile.Path(loader.archive, prefix)
def open_resource(self, resource):
try:
return super().open_resource(resource)
except KeyError as exc:
raise FileNotFoundError(exc.args[0])
def is_resource(self, path):
# workaround for `zipfile.Path.is_file` returning true
# for non-existent paths.
target = self.files().joinpath(path)
return target.is_file() and target.exists()
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