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dspace-statistics-api/dspace_statistics_api/database.py
Alan Orth d5d2d2149b
dspace_statistics_api/database.py: Raise HTTP 500 on error
Properly except on database connection error and raise an HTTP 500
instead of spamming the console/log with twenty lines of text.
2018-11-10 23:58:58 +02:00

31 lines
1003 B
Python

from .config import DATABASE_NAME
from .config import DATABASE_USER
from .config import DATABASE_PASS
from .config import DATABASE_HOST
from .config import DATABASE_PORT
import falcon
import psycopg2
import psycopg2.extras
class DatabaseManager():
'''Manage database connection.'''
def __init__(self):
self._connection_uri = 'dbname={} user={} password={} host={} port={}'.format(DATABASE_NAME, DATABASE_USER, DATABASE_PASS, DATABASE_HOST, 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: