104 lines
2.7 KiB
Python
104 lines
2.7 KiB
Python
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from mashumaro.meta.helpers import type_name
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class MissingField(LookupError):
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def __init__(self, field_name, field_type, holder_class):
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self.field_name = field_name
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self.field_type = field_type
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self.holder_class = holder_class
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@property
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def field_type_name(self):
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return type_name(self.field_type)
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@property
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def holder_class_name(self):
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return type_name(self.holder_class)
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def __str__(self):
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return (
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f'Field "{self.field_name}" of type {self.field_type_name}'
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f" is missing in {self.holder_class_name} instance"
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)
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class UnserializableDataError(TypeError):
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pass
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class UnserializableField(UnserializableDataError):
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def __init__(self, field_name, field_type, holder_class, msg=None):
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self.field_name = field_name
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self.field_type = field_type
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self.holder_class = holder_class
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self.msg = msg
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@property
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def field_type_name(self):
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return type_name(self.field_type)
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@property
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def holder_class_name(self):
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return type_name(self.holder_class)
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def __str__(self):
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s = (
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f'Field "{self.field_name}" of type {self.field_type_name} '
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f"in {self.holder_class_name} is not serializable"
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)
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if self.msg:
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s += f": {self.msg}"
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return s
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class InvalidFieldValue(ValueError):
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def __init__(
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self, field_name, field_type, field_value, holder_class, msg=None
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):
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self.field_name = field_name
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self.field_type = field_type
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self.field_value = field_value
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self.holder_class = holder_class
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self.msg = msg
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@property
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def field_type_name(self):
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return type_name(self.field_type)
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@property
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def holder_class_name(self):
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return type_name(self.holder_class)
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def __str__(self):
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s = (
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f'Field "{self.field_name}" of type {self.field_type_name} '
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f"in {self.holder_class_name} has invalid value "
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f"{repr(self.field_value)}"
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)
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if self.msg:
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s += f": {self.msg}"
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return s
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class BadHookSignature(TypeError):
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pass
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class ThirdPartyModuleNotFoundError(ModuleNotFoundError):
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def __init__(self, module_name, field_name, holder_class):
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self.module_name = module_name
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self.field_name = field_name
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self.holder_class = holder_class
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@property
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def holder_class_name(self):
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return type_name(self.holder_class)
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def __str__(self):
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s = (
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f'Install "{self.module_name}" to use it as the serialization '
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f'method for the field "{self.field_name}" '
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f"in {self.holder_class_name}"
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)
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return s
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