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"""Functions for db interactions for averaging methods"""
from typing import Optional
import MySQLdb as mdb
from MySQLdb.cursors import DictCursor
def averaging_methods(conn: mdb.Connection) -> tuple[dict, ...]:
"""Fetch all available averaging methods"""
with conn.cursor(cursorclass=DictCursor) as cursor:
cursor.execute("SELECT * FROM AvgMethod")
return tuple(dict(row) for row in cursor.fetchall())
def averaging_method_by_id(
conn: mdb.Connection, averageid: int) -> Optional[dict]:
"""Fetch the averaging method by its ID"""
with conn.cursor(cursorclass=DictCursor) as cursor:
cursor.execute("SELECT * FROM AvgMethod WHERE Id=%s",
(averageid,))
result = cursor.fetchone()
if bool(result):
return dict(result)
return None
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