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dspace-statistics-api/dspace_statistics_api/database.py
2021-03-22 13:42:42 +02:00

39 lines
1007 B
Python

# SPDX-License-Identifier: GPL-3.0-only
import falcon
import psycopg2
import psycopg2.extras
from .config import (
DATABASE_HOST,
DATABASE_NAME,
DATABASE_PASS,
DATABASE_PORT,
DATABASE_USER,
)
class DatabaseManager:
"""Manage database connection."""
def __init__(self):
self._connection_uri = f"dbname={DATABASE_NAME} user={DATABASE_USER} password={DATABASE_PASS} host={DATABASE_HOST} port={DATABASE_PORT}"
def __enter__(self):
try:
self._connection = psycopg2.connect(
self._connection_uri, cursor_factory=psycopg2.extras.DictCursor
)
except psycopg2.OperationalError:
title = "500 Internal Server Error"
description = "Could not connect to database"
raise falcon.HTTPInternalServerError(title, description)
return self._connection
def __exit__(self, exc_type, exc_value, exc_traceback):
self._connection.close()
# vim: set sw=4 ts=4 expandtab: