Updates
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import functools
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import uuid
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import warnings
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from django.utils.deprecation import RemovedInDjango60Warning
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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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if type_name in REGISTERED_CONVERTERS or type_name in DEFAULT_CONVERTERS:
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# RemovedInDjango60Warning: when the deprecation ends, replace with
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# raise ValueError(f"Converter {type_name} is already registered.")
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warnings.warn(
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f"Converter {type_name!r} is already registered. Support for overriding "
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"registered converters is deprecated and will be removed in Django 6.0.",
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RemovedInDjango60Warning,
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stacklevel=2,
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)
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REGISTERED_CONVERTERS[type_name] = converter()
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get_converters.cache_clear()
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from django.urls.resolvers import _route_to_regex
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_route_to_regex.cache_clear()
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@functools.cache
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def get_converters():
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return {**DEFAULT_CONVERTERS, **REGISTERED_CONVERTERS}
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