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Example database class for wrapping mysql-connector for python
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import mysql.connector | |
# from mysql.connector import Error | |
# pip3 install mysql-connector | |
# https://dev.mysql.com/doc/connector-python/en/connector-python-reference.html | |
class DB(): | |
def __init__(self, config): | |
self.connection = None | |
self.connection = mysql.connector.connect(**config) | |
def query(self, sql, args): | |
cursor = self.connection.cursor() | |
cursor.execute(sql, args) | |
return cursor | |
def insert(self,sql,args): | |
cursor = self.query(sql, args) | |
id = cursor.lastrowid | |
self.connection.commit() | |
cursor.close() | |
return id | |
# https://dev.mysql.com/doc/connector-python/en/connector-python-api-mysqlcursor-executemany.html | |
def insertmany(self,sql,args): | |
cursor = self.connection.cursor() | |
cursor.executemany(sql, args) | |
rowcount = cursor.rowcount | |
self.connection.commit() | |
cursor.close() | |
return rowcount | |
def update(self,sql,args): | |
cursor = self.query(sql, args) | |
rowcount = cursor.rowcount | |
self.connection.commit() | |
cursor.close() | |
return rowcount | |
def fetch(self, sql, args): | |
rows = [] | |
cursor = self.query(sql, args) | |
if cursor.with_rows: | |
rows = cursor.fetchall() | |
cursor.close() | |
return rows | |
def fetchone(self, sql, args): | |
row = None | |
cursor = self.query(sql, args) | |
if cursor.with_rows: | |
row = cursor.fetchone() | |
cursor.close() | |
return row | |
def __del__(self): | |
if self.connection != None: | |
self.connection.close() |
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