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import config
import mysql.connector as mysql
import pgpy
def load_keys(addrs: list[str]) -> list[pgpy.PGPKey]:
if len(addrs) < 1:
return []
db = mysql.connect(**config.db_config)
try:
stmt = db.cursor()
except Exception as e:
db.close()
raise e
try:
stmt.execute(\
format_multiquery(config.key_loader_query, len(addrs)), \
tuple(addrs) \
)
keys = {}
for (keyfpr, keydata) in stmt:
if keyfpr in keys:
continue
key = pgpy.PGPKey()
try:
key.parse(keydata)
except:
continue
return list(keys.values())
finally:
stmt.close()
db.close()
def format_multiquery(query: str, n_items: int) -> str:
return query % (', '.join(['%s'] * n_items),)
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