Stanislav Hejny
126 lines
4.6 KiB
Python
126 lines
4.6 KiB
Python
"""
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This module provides the CleverBRAG AMQP Adapter for handling API requests via AMQP.
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The code IS MEANT to be part of CleverBRAG codebase, and has direct dependencies on the CleverBRAG codebase.
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It is NOT MEANT to be used as a standalone module. It WILL NOT run outside the CleverBRAG context.
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"""
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from threading import Thread
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from typing import Any, List
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from uuid import UUID
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# CleverBrag specific imports
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import core
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from fastapi.routing import APIRoute
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from fastapi.security.http import HTTPAuthorizationCredentials
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from pydantic import BaseModel
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from shared.abstractions import R2RSerializable, User
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# AMQP specific imports
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from amqp.adapter.cleverthis_service_adapter import CleverThisServiceAdapter
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from amqp.config.amq_configuration import AMQConfiguration
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from amqp.service.amq_service import AMQService
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class BRAGArgument:
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"""
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This class is used to represent a BRAG API input argument. It is uses FastAPI annotation to define the arguments
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(the argument type_string) that are passed as input arguments to the BRAG endpoint.
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"""
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def __init__(self, arg: Any):
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self.arg = arg
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self.module = arg.__module__
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self.cls = arg.__name__ if hasattr(arg, "__name__") else str(arg)
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self.is_r2r_serializable = issubclass(arg, R2RSerializable)
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self.is_builtin = self.module == "builtins"
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self.is_uuid = self.cls == "UUID"
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self.is_optional = self.cls == "Optional"
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self.is_list = self.cls == "list"
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self.is_dict = self.cls == "dict"
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self.is_base_model = issubclass(arg, BaseModel)
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self.is_nested = self.is_list or self.is_optional or self.is_dict
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if self.is_nested and hasattr(arg, "__args__"):
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self.nested = BRAGArgument(getattr(arg, "__args__")[0])
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if self.is_dict:
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self.nested = (self.nested, BRAGArgument(getattr(arg, "__args__")[1]))
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else:
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self.nested = None
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self.is_nested = False
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def __repr__(self):
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return f"{self.module}.{self.cls}" + (f"[{self.nested}]" if self.is_nested else "")
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def convert_to_argument(arg: BRAGArgument, value: str) -> Any:
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"""
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Converts the argument to a string representation.
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"""
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try:
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if arg.cls == "str":
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return value
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elif arg.cls == "bool":
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return str(value).lower() == "true"
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elif arg.cls == "float":
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return float(value)
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elif arg.cls == "int":
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return int(value)
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elif arg.is_uuid:
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return UUID(value)
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elif arg.is_optional:
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return convert_to_argument(arg.nested, value) if arg.nested else None
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elif arg.is_list:
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return (
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[convert_to_argument(arg.nested, v.strip()) for v in value.split(",")]
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if arg.nested
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else value.split()
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)
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elif arg.is_dict:
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return (
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{
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convert_to_argument(arg.nested[0], k.strip()): convert_to_argument(
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arg.nested[1], v.strip()
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)
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for k, v in (item.split(":") for item in value.split(","))
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}
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if arg.nested
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else dict(item.split(":") for item in value.split(","))
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)
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elif arg.is_base_model:
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return arg.arg.parse_raw(value)
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else:
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print(f"Unsupported argument type_string: {type(arg)}")
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except Exception as e:
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print(f"Error converting argument {arg}: {e}")
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return None
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class CleverBragAmqpAdapter(CleverThisServiceAdapter):
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"""
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CleverBRAG AMQP Adapter for CleverBRAG API. Implements the interface to CleverBRAG API.
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"""
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def __init__(
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self,
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amq_configuration: AMQConfiguration,
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routes: List[APIRoute],
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auth_provider: core.base.providers.auth.AuthProvider,
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extra_init_data: dict,
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):
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super().__init__(
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amq_configuration, routes, None, "auth_user", extra_init_data=extra_init_data
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)
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self.auth_provider = auth_provider
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_amq_service: AMQService = AMQService(amq_configuration, self)
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self.thread = Thread(target=_amq_service.run)
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self.thread.start()
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async def get_current_user(self, token: str) -> User:
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"""
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Overrides the default get_current_user method to use the token from the AMQP message.
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:param token: JWT token from the AMQP message
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:return: User object
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"""
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return await self.auth_provider.auth_wrapper(
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HTTPAuthorizationCredentials(scheme="Bearer", credentials=token)
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)
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