Shofel2_T124_python/venv/lib/python3.10/site-packages/dacite/exceptions.py

81 lines
2.6 KiB
Python

from typing import Any, Type, Optional, Set, Dict
from dacite.types import is_union
def _name(type_: Type) -> str:
return type_.__name__ if hasattr(type_, "__name__") and not is_union(type_) else str(type_)
class DaciteError(Exception):
pass
class DaciteFieldError(DaciteError):
def __init__(self, field_path: Optional[str] = None):
super().__init__()
self.field_path = field_path
def update_path(self, parent_field_path: str) -> None:
if self.field_path:
self.field_path = f"{parent_field_path}.{self.field_path}"
else:
self.field_path = parent_field_path
class WrongTypeError(DaciteFieldError):
def __init__(self, field_type: Type, value: Any, field_path: Optional[str] = None) -> None:
super().__init__(field_path=field_path)
self.field_type = field_type
self.value = value
def __str__(self) -> str:
return (
f'wrong value type for field "{self.field_path}" - should be "{_name(self.field_type)}" '
f'instead of value "{self.value}" of type "{_name(type(self.value))}"'
)
class MissingValueError(DaciteFieldError):
def __init__(self, field_path: Optional[str] = None):
super().__init__(field_path=field_path)
def __str__(self) -> str:
return f'missing value for field "{self.field_path}"'
class UnionMatchError(WrongTypeError):
def __str__(self) -> str:
return (
f'can not match type "{_name(type(self.value))}" to any type '
f'of "{self.field_path}" union: {_name(self.field_type)}'
)
class StrictUnionMatchError(DaciteFieldError):
def __init__(self, union_matches: Dict[Type, Any], field_path: Optional[str] = None) -> None:
super().__init__(field_path=field_path)
self.union_matches = union_matches
def __str__(self) -> str:
conflicting_types = ", ".join(_name(type_) for type_ in self.union_matches)
return f'can not choose between possible Union matches for field "{self.field_path}": {conflicting_types}'
class ForwardReferenceError(DaciteError):
def __init__(self, message: str) -> None:
super().__init__()
self.message = message
def __str__(self) -> str:
return f"can not resolve forward reference: {self.message}"
class UnexpectedDataError(DaciteError):
def __init__(self, keys: Set[str]) -> None:
super().__init__()
self.keys = keys
def __str__(self) -> str:
formatted_keys = ", ".join(f'"{key}"' for key in self.keys)
return f"can not match {formatted_keys} to any data class field"