84 lines
2.9 KiB
Python
84 lines
2.9 KiB
Python
import inspect
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import sys
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from dataclasses import dataclass, field
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from functools import cached_property
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from typing import Any, Callable, List, Optional, Sequence, Union
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from fastapi._compat import ModelField
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from fastapi.security.base import SecurityBase
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from fastapi.types import DependencyCacheKey
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from typing_extensions import Literal
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if sys.version_info >= (3, 13): # pragma: no cover
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from inspect import iscoroutinefunction
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else: # pragma: no cover
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from asyncio import iscoroutinefunction
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@dataclass
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class SecurityRequirement:
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security_scheme: SecurityBase
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scopes: Optional[Sequence[str]] = None
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@dataclass
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class Dependant:
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path_params: List[ModelField] = field(default_factory=list)
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query_params: List[ModelField] = field(default_factory=list)
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header_params: List[ModelField] = field(default_factory=list)
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cookie_params: List[ModelField] = field(default_factory=list)
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body_params: List[ModelField] = field(default_factory=list)
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dependencies: List["Dependant"] = field(default_factory=list)
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security_requirements: List[SecurityRequirement] = field(default_factory=list)
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name: Optional[str] = None
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call: Optional[Callable[..., Any]] = None
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request_param_name: Optional[str] = None
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websocket_param_name: Optional[str] = None
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http_connection_param_name: Optional[str] = None
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response_param_name: Optional[str] = None
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background_tasks_param_name: Optional[str] = None
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security_scopes_param_name: Optional[str] = None
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security_scopes: Optional[List[str]] = None
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use_cache: bool = True
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path: Optional[str] = None
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scope: Union[Literal["function", "request"], None] = None
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@cached_property
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def cache_key(self) -> DependencyCacheKey:
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return (
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self.call,
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tuple(sorted(set(self.security_scopes or []))),
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self.computed_scope or "",
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)
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@cached_property
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def is_gen_callable(self) -> bool:
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if inspect.isgeneratorfunction(self.call):
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return True
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dunder_call = getattr(self.call, "__call__", None) # noqa: B004
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return inspect.isgeneratorfunction(dunder_call)
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@cached_property
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def is_async_gen_callable(self) -> bool:
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if inspect.isasyncgenfunction(self.call):
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return True
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dunder_call = getattr(self.call, "__call__", None) # noqa: B004
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return inspect.isasyncgenfunction(dunder_call)
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@cached_property
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def is_coroutine_callable(self) -> bool:
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if inspect.isroutine(self.call):
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return iscoroutinefunction(self.call)
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if inspect.isclass(self.call):
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return False
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dunder_call = getattr(self.call, "__call__", None) # noqa: B004
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return iscoroutinefunction(dunder_call)
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@cached_property
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def computed_scope(self) -> Union[str, None]:
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if self.scope:
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return self.scope
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if self.is_gen_callable or self.is_async_gen_callable:
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return "request"
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return None
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