mirror of
https://github.com/ilri/dspace-statistics-api.git
synced 2024-11-16 03:17:04 +01:00
Alan Orth
0ef071a91d
We had previously been avoiding the f-strings because we needed to run on Python 3.5 and they were only available in Python 3.6+, but now the black formatter requires Python 3.6 and all our systems are running Python 3.6+ anyways.
37 lines
966 B
Python
37 lines
966 B
Python
import falcon
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import psycopg2
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import psycopg2.extras
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from .config import (
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DATABASE_HOST,
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DATABASE_NAME,
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DATABASE_PASS,
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DATABASE_PORT,
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DATABASE_USER,
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)
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class DatabaseManager:
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"""Manage database connection."""
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def __init__(self):
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self._connection_uri = f"dbname={DATABASE_NAME} user={DATABASE_USER} password={DATABASE_PASS} host={DATABASE_HOST} port={DATABASE_PORT}"
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def __enter__(self):
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try:
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self._connection = psycopg2.connect(
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self._connection_uri, cursor_factory=psycopg2.extras.DictCursor
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)
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except psycopg2.OperationalError:
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title = "500 Internal Server Error"
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description = "Could not connect to database"
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raise falcon.HTTPInternalServerError(title, description)
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return self._connection
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def __exit__(self, exc_type, exc_value, exc_traceback):
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self._connection.close()
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# vim: set sw=4 ts=4 expandtab:
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