71 lines
1.3 KiB
Python
71 lines
1.3 KiB
Python
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import uuid
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from django.utils import lru_cache
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class IntConverter:
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regex = '[0-9]+'
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def to_python(self, value):
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return int(value)
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def to_url(self, value):
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return str(value)
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class StringConverter:
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regex = '[^/]+'
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def to_python(self, value):
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return value
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def to_url(self, value):
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return value
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class UUIDConverter:
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regex = '[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}'
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def to_python(self, value):
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return uuid.UUID(value)
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def to_url(self, value):
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return str(value)
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class SlugConverter(StringConverter):
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regex = '[-a-zA-Z0-9_]+'
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class PathConverter(StringConverter):
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regex = '.+'
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DEFAULT_CONVERTERS = {
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'int': IntConverter(),
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'path': PathConverter(),
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'slug': SlugConverter(),
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'str': StringConverter(),
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'uuid': UUIDConverter(),
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}
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REGISTERED_CONVERTERS = {}
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def register_converter(converter, type_name):
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REGISTERED_CONVERTERS[type_name] = converter()
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get_converters.cache_clear()
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@lru_cache.lru_cache(maxsize=None)
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def get_converters():
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converters = {}
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converters.update(DEFAULT_CONVERTERS)
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converters.update(REGISTERED_CONVERTERS)
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return converters
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def get_converter(raw_converter):
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return get_converters()[raw_converter]
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