61 lines
1.5 KiB
Python
61 lines
1.5 KiB
Python
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from tokopedia_config import Config
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from tokopedia_logger import logger
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import psycopg2
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class DBConnector:
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def __init__(self):
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config = Config().get()
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self.host = config.get('db_host')
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self.database = config.get('database')
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self.user = config.get('db_user')
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self.password = config.get('db_pass')
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self.port = config.get('db_port')
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self.dbconn = None
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def create_connection(self):
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return psycopg2.connect(
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database=self.database,
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user=self.user,
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password=self.password,
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host=self.host,
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port=self.port
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)
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def __enter__(self):
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self.dbconn = self.create_connection()
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return self.dbconn
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def __exit__(self, exc_type, exc_val, exc_tb):
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self.dbconn.close()
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class DB(object):
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connection = None
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def __new__(cls, *args, **kw):
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if not hasattr(cls, '_instance'):
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orig = super(DB, cls)
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cls._instance = orig.__new__(cls, *args, **kw)
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return cls._instance
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def get_connection(self):
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if not self.connection:
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self.connection = DBConnector().create_connection()
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return self.connection
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def execute_query(self, query):
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connection = self.get_connection()
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connection.autocommit = True
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try:
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cursor = connection.cursor()
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except psycopg2.ProgrammingError:
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connection = self.get_connection()
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cursor = connection.cursor()
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cursor.execute(query)
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return cursor
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def fetchone(self, query):
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return self.execute_query(query).fetchone()
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def fetchall(self, query):
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return self.execute_query(query).fetchall()
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