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Update cherrypy==18.9.0
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JonnyWong16
parent
2fc618c01f
commit
51196a7fb1
137 changed files with 44442 additions and 11582 deletions
278
lib/pydantic/_internal/_validators.py
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278
lib/pydantic/_internal/_validators.py
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"""Validator functions for standard library types.
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Import of this module is deferred since it contains imports of many standard library modules.
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"""
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from __future__ import annotations as _annotations
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import math
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import re
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import typing
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from ipaddress import IPv4Address, IPv4Interface, IPv4Network, IPv6Address, IPv6Interface, IPv6Network
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from typing import Any
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from pydantic_core import PydanticCustomError, core_schema
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from pydantic_core._pydantic_core import PydanticKnownError
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def sequence_validator(
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__input_value: typing.Sequence[Any],
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validator: core_schema.ValidatorFunctionWrapHandler,
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) -> typing.Sequence[Any]:
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"""Validator for `Sequence` types, isinstance(v, Sequence) has already been called."""
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value_type = type(__input_value)
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# We don't accept any plain string as a sequence
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# Relevant issue: https://github.com/pydantic/pydantic/issues/5595
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if issubclass(value_type, (str, bytes)):
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raise PydanticCustomError(
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'sequence_str',
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"'{type_name}' instances are not allowed as a Sequence value",
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{'type_name': value_type.__name__},
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)
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v_list = validator(__input_value)
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# the rest of the logic is just re-creating the original type from `v_list`
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if value_type == list:
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return v_list
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elif issubclass(value_type, range):
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# return the list as we probably can't re-create the range
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return v_list
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else:
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# best guess at how to re-create the original type, more custom construction logic might be required
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return value_type(v_list) # type: ignore[call-arg]
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def import_string(value: Any) -> Any:
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if isinstance(value, str):
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try:
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return _import_string_logic(value)
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except ImportError as e:
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raise PydanticCustomError('import_error', 'Invalid python path: {error}', {'error': str(e)}) from e
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else:
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# otherwise we just return the value and let the next validator do the rest of the work
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return value
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def _import_string_logic(dotted_path: str) -> Any:
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"""Inspired by uvicorn — dotted paths should include a colon before the final item if that item is not a module.
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(This is necessary to distinguish between a submodule and an attribute when there is a conflict.).
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If the dotted path does not include a colon and the final item is not a valid module, importing as an attribute
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rather than a submodule will be attempted automatically.
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So, for example, the following values of `dotted_path` result in the following returned values:
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* 'collections': <module 'collections'>
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* 'collections.abc': <module 'collections.abc'>
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* 'collections.abc:Mapping': <class 'collections.abc.Mapping'>
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* `collections.abc.Mapping`: <class 'collections.abc.Mapping'> (though this is a bit slower than the previous line)
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An error will be raised under any of the following scenarios:
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* `dotted_path` contains more than one colon (e.g., 'collections:abc:Mapping')
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* the substring of `dotted_path` before the colon is not a valid module in the environment (e.g., '123:Mapping')
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* the substring of `dotted_path` after the colon is not an attribute of the module (e.g., 'collections:abc123')
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"""
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from importlib import import_module
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components = dotted_path.strip().split(':')
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if len(components) > 2:
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raise ImportError(f"Import strings should have at most one ':'; received {dotted_path!r}")
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module_path = components[0]
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if not module_path:
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raise ImportError(f'Import strings should have a nonempty module name; received {dotted_path!r}')
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try:
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module = import_module(module_path)
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except ModuleNotFoundError as e:
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if '.' in module_path:
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# Check if it would be valid if the final item was separated from its module with a `:`
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maybe_module_path, maybe_attribute = dotted_path.strip().rsplit('.', 1)
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try:
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return _import_string_logic(f'{maybe_module_path}:{maybe_attribute}')
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except ImportError:
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pass
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raise ImportError(f'No module named {module_path!r}') from e
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raise e
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if len(components) > 1:
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attribute = components[1]
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try:
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return getattr(module, attribute)
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except AttributeError as e:
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raise ImportError(f'cannot import name {attribute!r} from {module_path!r}') from e
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else:
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return module
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def pattern_either_validator(__input_value: Any) -> typing.Pattern[Any]:
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if isinstance(__input_value, typing.Pattern):
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return __input_value
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elif isinstance(__input_value, (str, bytes)):
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# todo strict mode
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return compile_pattern(__input_value) # type: ignore
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else:
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raise PydanticCustomError('pattern_type', 'Input should be a valid pattern')
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def pattern_str_validator(__input_value: Any) -> typing.Pattern[str]:
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if isinstance(__input_value, typing.Pattern):
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if isinstance(__input_value.pattern, str):
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return __input_value
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else:
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raise PydanticCustomError('pattern_str_type', 'Input should be a string pattern')
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elif isinstance(__input_value, str):
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return compile_pattern(__input_value)
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elif isinstance(__input_value, bytes):
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raise PydanticCustomError('pattern_str_type', 'Input should be a string pattern')
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else:
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raise PydanticCustomError('pattern_type', 'Input should be a valid pattern')
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def pattern_bytes_validator(__input_value: Any) -> typing.Pattern[bytes]:
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if isinstance(__input_value, typing.Pattern):
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if isinstance(__input_value.pattern, bytes):
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return __input_value
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else:
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raise PydanticCustomError('pattern_bytes_type', 'Input should be a bytes pattern')
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elif isinstance(__input_value, bytes):
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return compile_pattern(__input_value)
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elif isinstance(__input_value, str):
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raise PydanticCustomError('pattern_bytes_type', 'Input should be a bytes pattern')
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else:
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raise PydanticCustomError('pattern_type', 'Input should be a valid pattern')
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PatternType = typing.TypeVar('PatternType', str, bytes)
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def compile_pattern(pattern: PatternType) -> typing.Pattern[PatternType]:
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try:
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return re.compile(pattern)
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except re.error:
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raise PydanticCustomError('pattern_regex', 'Input should be a valid regular expression')
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def ip_v4_address_validator(__input_value: Any) -> IPv4Address:
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if isinstance(__input_value, IPv4Address):
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return __input_value
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try:
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return IPv4Address(__input_value)
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except ValueError:
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raise PydanticCustomError('ip_v4_address', 'Input is not a valid IPv4 address')
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def ip_v6_address_validator(__input_value: Any) -> IPv6Address:
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if isinstance(__input_value, IPv6Address):
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return __input_value
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try:
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return IPv6Address(__input_value)
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except ValueError:
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raise PydanticCustomError('ip_v6_address', 'Input is not a valid IPv6 address')
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def ip_v4_network_validator(__input_value: Any) -> IPv4Network:
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"""Assume IPv4Network initialised with a default `strict` argument.
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See more:
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https://docs.python.org/library/ipaddress.html#ipaddress.IPv4Network
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"""
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if isinstance(__input_value, IPv4Network):
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return __input_value
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try:
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return IPv4Network(__input_value)
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except ValueError:
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raise PydanticCustomError('ip_v4_network', 'Input is not a valid IPv4 network')
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def ip_v6_network_validator(__input_value: Any) -> IPv6Network:
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"""Assume IPv6Network initialised with a default `strict` argument.
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See more:
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https://docs.python.org/library/ipaddress.html#ipaddress.IPv6Network
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"""
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if isinstance(__input_value, IPv6Network):
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return __input_value
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try:
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return IPv6Network(__input_value)
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except ValueError:
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raise PydanticCustomError('ip_v6_network', 'Input is not a valid IPv6 network')
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def ip_v4_interface_validator(__input_value: Any) -> IPv4Interface:
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if isinstance(__input_value, IPv4Interface):
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return __input_value
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try:
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return IPv4Interface(__input_value)
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except ValueError:
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raise PydanticCustomError('ip_v4_interface', 'Input is not a valid IPv4 interface')
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def ip_v6_interface_validator(__input_value: Any) -> IPv6Interface:
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if isinstance(__input_value, IPv6Interface):
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return __input_value
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try:
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return IPv6Interface(__input_value)
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except ValueError:
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raise PydanticCustomError('ip_v6_interface', 'Input is not a valid IPv6 interface')
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def greater_than_validator(x: Any, gt: Any) -> Any:
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if not (x > gt):
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raise PydanticKnownError('greater_than', {'gt': gt})
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return x
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def greater_than_or_equal_validator(x: Any, ge: Any) -> Any:
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if not (x >= ge):
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raise PydanticKnownError('greater_than_equal', {'ge': ge})
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return x
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def less_than_validator(x: Any, lt: Any) -> Any:
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if not (x < lt):
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raise PydanticKnownError('less_than', {'lt': lt})
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return x
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def less_than_or_equal_validator(x: Any, le: Any) -> Any:
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if not (x <= le):
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raise PydanticKnownError('less_than_equal', {'le': le})
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return x
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def multiple_of_validator(x: Any, multiple_of: Any) -> Any:
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if not (x % multiple_of == 0):
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raise PydanticKnownError('multiple_of', {'multiple_of': multiple_of})
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return x
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def min_length_validator(x: Any, min_length: Any) -> Any:
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if not (len(x) >= min_length):
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raise PydanticKnownError(
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'too_short',
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{'field_type': 'Value', 'min_length': min_length, 'actual_length': len(x)},
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)
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return x
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def max_length_validator(x: Any, max_length: Any) -> Any:
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if len(x) > max_length:
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raise PydanticKnownError(
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'too_long',
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{'field_type': 'Value', 'max_length': max_length, 'actual_length': len(x)},
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)
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return x
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def forbid_inf_nan_check(x: Any) -> Any:
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if not math.isfinite(x):
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raise PydanticKnownError('finite_number')
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return x
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