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d888ff5381
This reverts commit 57316c52ba for files pertaining to importlib.metadata and importlib.resources.
62 lines
2 KiB
Python
62 lines
2 KiB
Python
import io
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import unittest
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from importlib import resources
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from . import data01
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from .resources import util
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class CommonTests(util.CommonTests, unittest.TestCase):
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def execute(self, package, path):
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with resources.as_file(resources.files(package).joinpath(path)):
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pass
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class PathTests:
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def test_reading(self):
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# Path should be readable.
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# Test also implicitly verifies the returned object is a pathlib.Path
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# instance.
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target = resources.files(self.data) / 'utf-8.file'
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with resources.as_file(target) as path:
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self.assertTrue(path.name.endswith("utf-8.file"), repr(path))
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# pathlib.Path.read_text() was introduced in Python 3.5.
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with path.open('r', encoding='utf-8') as file:
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text = file.read()
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self.assertEqual('Hello, UTF-8 world!\n', text)
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class PathDiskTests(PathTests, unittest.TestCase):
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data = data01
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def test_natural_path(self):
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# Guarantee the internal implementation detail that
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# file-system-backed resources do not get the tempdir
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# treatment.
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target = resources.files(self.data) / 'utf-8.file'
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with resources.as_file(target) as path:
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assert 'data' in str(path)
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class PathMemoryTests(PathTests, unittest.TestCase):
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def setUp(self):
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file = io.BytesIO(b'Hello, UTF-8 world!\n')
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self.addCleanup(file.close)
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self.data = util.create_package(
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file=file, path=FileNotFoundError("package exists only in memory")
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)
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self.data.__spec__.origin = None
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self.data.__spec__.has_location = False
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class PathZipTests(PathTests, util.ZipSetup, unittest.TestCase):
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def test_remove_in_context_manager(self):
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# It is not an error if the file that was temporarily stashed on the
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# file system is removed inside the `with` stanza.
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target = resources.files(self.data) / 'utf-8.file'
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with resources.as_file(target) as path:
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path.unlink()
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if __name__ == '__main__':
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unittest.main()
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