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