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34 lines
1.1 KiB
Python
34 lines
1.1 KiB
Python
import tempfile
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from .persisters.filesystem import FilesystemPersister
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from . import migration
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def _check_for_old_cassette(cassette_content):
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# crate tmp with cassete content and try to migrate it
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with tempfile.NamedTemporaryFile(mode='w+') as f:
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f.write(cassette_content)
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f.seek(0)
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if migration.try_migrate(f.name):
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raise ValueError(
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"Your cassette files were generated in an older version "
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"of VCR. Delete your cassettes or run the migration script."
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"See http://git.io/mHhLBg for more details."
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)
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def load_cassette(cassette_path, serializer):
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with open(cassette_path) as f:
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cassette_content = f.read()
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try:
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cassette = serializer.deserialize(cassette_content)
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except TypeError:
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_check_for_old_cassette(cassette_content)
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raise
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return cassette
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def save_cassette(cassette_path, cassette_dict, serializer):
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data = serializer.serialize(cassette_dict)
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FilesystemPersister.write(cassette_path, data)
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