108 lines
3.1 KiB
Python
108 lines
3.1 KiB
Python
#!/usr/bin/env python3
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import sys
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import MySQLdb.cursors
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import sqlalchemy.pool as pool
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import traceback
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class SqlClass:
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mypool=None
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def __init__(self):
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self.max_overflow=65
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self.pool_size=45
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self.error_connection=""
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self.connection={}
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self.connected=False
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self.connection_method=self.connect_to_db_sql
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def dummy_connect(self, connection, name_connection="default"):
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pass
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def connect_to_db(self, connection, name_connection="default"):
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self.connection_method(connection, name_connection)
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self.connection_method=self.dummy_connect
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def connect_to_db_sql(self, connection, name_connection="default"):
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try:
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def getconn():
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return MySQLdb.connect(connection['host'],
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user=connection['user'],
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passwd=connection['password'],
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db=connection['db'],
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charset='utf8mb4',
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cursorclass=MySQLdb.cursors.DictCursor)
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if SqlClass.mypool==None:
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SqlClass.mypool=pool.QueuePool(getconn, max_overflow=self.max_overflow, pool_size=self.pool_size)
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self.connection[name_connection]=SqlClass.mypool.connect()
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self.connection[name_connection].ping(True)
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self.connected=True
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except:
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e = sys.exc_info()[0]
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v = sys.exc_info()[1]
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self.error_connection="Error in connection: %s %s" % (e, v)
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#return False
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raise NameError(self.error_connection)
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#Make def query more simple if not debugging.
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def query(self, sql_query, arguments=[], name_connection="default"):
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#if fetch_type=="ASSOC":
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#fetch_type=MySQLdb.cursors.DictCursor
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#with self.connection[name_connection].cursor(MySQLdb.cursors.DictCursor) as cursor:
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cursor=self.connection[name_connection].cursor(MySQLdb.cursors.DictCursor)
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try:
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cursor.execute(sql_query, arguments)
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self.connection[name_connection].commit()
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return cursor
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except:
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e = sys.exc_info()[0]
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v = sys.exc_info()[1]
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if hasattr(cursor, '_last_executed'):
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sql_query=cursor._last_executed
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#, traceback.format_exc()
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self.error_connection="Error in query ||%s||Values: %s" % (sql_query, str(arguments))
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#return False
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raise NameError(self.error_connection)
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#Fetcho row return dictionary if is defined in query.
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#def fetch(self, cursor):
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#return cursor.fetchone()
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"""
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def __del__(self):
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self.close()
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"""
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def close(self, name_connection="default"):
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if self.connection[name_connection]:
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self.connection[name_connection].close()
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#self.connection[name_connection]=False
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pass
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