Aleksei Sokol
6e9ed87ec4
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This is a FastAPI backend microservice template used with `copier` utility. Features of applied template are: - Configuration file processing logic - Metrics and tracing (both optional) configuration available - Debug endpoints - Database migration commands, prepared Alembic environment - Database usage example in ping_db endpoint - gitea sanity check pipeline
26 lines
1.1 KiB
Django/Jinja
26 lines
1.1 KiB
Django/Jinja
"""PostgresConnectionManager dependency functions are defined here."""
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from fastapi import FastAPI, Request
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from {{project_slug}}.db.connection.manager import PostgresConnectionManager
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def init_dispencer(app: FastAPI, connection_manager: PostgresConnectionManager) -> None:
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"""Initialize PostgresConnectionManager dispencer at app's state."""
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if hasattr(app.state, "postgres_connection_manager"):
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if not isinstance(app.state.postgres_connection_manager, PostgresConnectionManager):
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raise ValueError(
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"postgres_connection_manager attribute of app's state is already set"
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f"with other value ({app.state.postgres_connection_manager})"
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)
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return
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app.state.postgres_connection_manager = connection_manager
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def obtain(request: Request) -> PostgresConnectionManager:
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"""Get a PostgresConnectionManager from request's app state."""
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if not hasattr(request.app.state, "postgres_connection_manager"):
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raise ValueError("PostgresConnectionManager dispencer was not initialized at app preparation")
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return request.app.state.postgres_connection_manager
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