244 lines
9.0 KiB
Python
244 lines
9.0 KiB
Python
import json
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import random
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import time
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from copy import deepcopy
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from datetime import datetime, timezone
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from typing import Any, Union, Optional
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import httpx
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from core.helper import ssrf_proxy
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from extensions.ext_database import db
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from extensions.ext_redis import redis_client
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from libs import helper
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from models.account import Account, TenantAccountRole
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from models.dataset import (
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AppDatasetJoin,
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Dataset,
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DatasetCollectionBinding,
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DatasetPermission,
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DatasetProcessRule,
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DatasetQuery,
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Document,
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DocumentSegment, ExternalApiTemplates, ExternalKnowledgeBindings,
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)
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from models.model import UploadFile
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from services.dataset_service import DocumentService
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from services.entities.external_knowledge_entities.external_knowledge_entities import Authorization, ApiTemplateSetting
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from tasks.external_document_indexing_task import external_document_indexing_task
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class ExternalDatasetService:
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@staticmethod
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def get_external_api_templates(page, per_page, tenant_id, search=None) -> tuple[list[ExternalApiTemplates], int]:
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query = ExternalApiTemplates.query.filter(ExternalApiTemplates.tenant_id == tenant_id).order_by(
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ExternalApiTemplates.created_at.desc()
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)
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if search:
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query = query.filter(ExternalApiTemplates.name.ilike(f'%{search}%'))
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api_templates = query.paginate(
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page=page,
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per_page=per_page,
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max_per_page=100,
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error_out=False
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)
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return api_templates.items, api_templates.total
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@classmethod
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def validate_api_list(cls, api_settings: dict):
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if not api_settings:
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raise ValueError('api list is empty')
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if 'endpoint' not in api_settings and not api_settings['endpoint']:
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raise ValueError('endpoint is required')
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if 'api_key' not in api_settings and not api_settings['api_key']:
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raise ValueError('api_key is required')
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@staticmethod
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def create_api_template(tenant_id: str, user_id: str, args: dict) -> ExternalApiTemplates:
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api_template = ExternalApiTemplates(
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tenant_id=tenant_id,
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created_by=user_id,
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updated_by=user_id,
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name=args.get('name'),
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settings=json.dumps(args.get('settings'), ensure_ascii=False),
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)
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db.session.add(api_template)
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db.session.commit()
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return api_template
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@staticmethod
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def get_api_template(api_template_id: str) -> ExternalApiTemplates:
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return ExternalApiTemplates.query.filter_by(
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id=api_template_id
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).first()
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@staticmethod
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def update_api_template(tenant_id, user_id, api_template_id, args) -> ExternalApiTemplates:
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api_template = ExternalApiTemplates.query.filter_by(
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id=api_template_id,
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tenant_id=tenant_id
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).first()
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if api_template is None:
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raise ValueError('api template not found')
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api_template.name = args.get('name')
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api_template.settings = json.dumps(args.get('settings'), ensure_ascii=False)
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api_template.updated_by = user_id
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api_template.updated_at = datetime.now(timezone.utc).replace(tzinfo=None)
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db.session.commit()
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return api_template
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@staticmethod
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def delete_api_template(tenant_id: str, api_template_id: str):
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api_template = ExternalApiTemplates.query.filter_by(
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id=api_template_id,
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tenant_id=tenant_id
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).first()
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if api_template is None:
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raise ValueError('api template not found')
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db.session.delete(api_template)
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db.session.commit()
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@staticmethod
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def external_api_template_use_check(api_template_id: str) -> bool:
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count = ExternalKnowledgeBindings.query.filter_by(
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external_api_template_id=api_template_id
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).count()
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if count > 0:
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return True
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return False
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@staticmethod
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def document_create_args_validate(tenant_id: str, api_template_id: str, process_parameter: dict):
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api_template = ExternalApiTemplates.query.filter_by(
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id=api_template_id,
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tenant_id=tenant_id
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).first()
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if api_template is None:
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raise ValueError('api template not found')
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settings = json.loads(api_template.settings)
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for settings in settings:
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if settings.get('method') == 'create':
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parameters = settings.get('parameters')
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for parameter in parameters:
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if parameter.get('required') and not process_parameter.get(parameter.get('name')):
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raise ValueError(f'{parameter.get("name")} is required')
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@staticmethod
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def init_external_dataset(tenant_id: str, user_id: str, args: dict, created_from: str = 'web'):
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api_template_id = args.get('api_template_id')
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data_source = args.get('data_source')
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if data_source is None:
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raise ValueError('data source is required')
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process_parameter = args.get('process_parameter')
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api_template = ExternalApiTemplates.query.filter_by(
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id=api_template_id,
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tenant_id=tenant_id
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).first()
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if api_template is None:
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raise ValueError('api template not found')
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dataset = Dataset(
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tenant_id=tenant_id,
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name=args.get('name'),
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description=args.get('description', ''),
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provider='external',
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created_by=user_id,
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)
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db.session.add(dataset)
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db.session.flush()
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position = DocumentService.get_documents_position(dataset.id)
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batch = time.strftime('%Y%m%d%H%M%S') + str(random.randint(100000, 999999))
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document_ids = []
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if data_source["type"] == "upload_file":
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upload_file_list = data_source["info_list"]['file_info_list']['file_ids']
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for file_id in upload_file_list:
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file = db.session.query(UploadFile).filter(
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UploadFile.tenant_id == dataset.tenant_id,
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UploadFile.id == file_id
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).first()
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if file:
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data_source_info = {
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"upload_file_id": file_id,
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}
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document = Document(
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tenant_id=dataset.tenant_id,
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dataset_id=dataset.id,
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position=position,
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data_source_type=data_source["type"],
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data_source_info=json.dumps(data_source_info),
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batch=batch,
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name=file.name,
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created_from=created_from,
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created_by=user_id,
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)
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position += 1
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db.session.add(document)
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db.session.flush()
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document_ids.append(document.id)
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db.session.commit()
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external_document_indexing_task.delay(dataset.id, api_template_id, data_source, process_parameter)
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return dataset
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@staticmethod
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def process_external_api(settings: ApiTemplateSetting,
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headers: Union[None, dict[str, Any]],
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parameter: Union[None, dict[str, Any]],
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files: Union[None, dict[str, Any]]) -> httpx.Response:
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"""
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do http request depending on api bundle
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"""
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kwargs = {
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'url': settings.url,
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'headers': headers,
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'follow_redirects': True,
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}
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if settings.request_method in ('get', 'head', 'post', 'put', 'delete', 'patch'):
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response = getattr(ssrf_proxy, settings.request_method)(data=parameter, files=files, **kwargs)
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else:
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raise ValueError(f'Invalid http method {settings.request_method}')
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return response
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@staticmethod
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def assembling_headers(authorization: Authorization, headers: Optional[dict] = None) -> dict[str, Any]:
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authorization = deepcopy(authorization)
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if headers:
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headers = deepcopy(headers)
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else:
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headers= {}
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if authorization.type == 'api-key':
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if authorization.config is None:
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raise ValueError('authorization config is required')
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if authorization.config.api_key is None:
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raise ValueError('api_key is required')
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if not authorization.config.header:
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authorization.config.header = 'Authorization'
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if authorization.config.type == 'bearer':
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headers[authorization.config.header] = f'Bearer {authorization.config.api_key}'
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elif authorization.config.type == 'basic':
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headers[authorization.config.header] = f'Basic {authorization.config.api_key}'
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elif authorization.config.type == 'custom':
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headers[authorization.config.header] = authorization.config.api_key
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return headers
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@staticmethod
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def get_api_template_settings(settings: dict) -> ApiTemplateSetting:
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return ApiTemplateSetting.parse_obj(settings) |