web_broadcast/mysql_class.py at master · SWLBot/web_broadcast · GitHub

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import os.path

import pymysql


class mysql:

	def __init__(self, db=None, cursor=None):

		self.db = db;

		self.cursor = cursor;


	def __enter__(self):

		return self


	#file dir where file store host\n user\n password\n dbname\n

	def connect(self):

		file_name = "mysql_auth.txt"

		if not os.path.isfile(file_name) :

			return -1


		try:

			file_pointer = open(file_name,"r")

		except:

			return -1

		host_str = file_pointer.readline().rstrip('\n').strip(' ')

		user_str = file_pointer.readline().rstrip('\n').strip(' ')

		token_str = file_pointer.readline().rstrip('\n').strip(' ')

		dbname_str = file_pointer.readline().rstrip('\n').strip(' ')

		file_pointer.close()


		try:

			self.db = pymysql.connect(host_str, user_str, token_str, dbname_str, use_unicode=True, charset="utf8")

			self.cursor = self.db.cursor()

			#cursor.execute('SET NAMES utf8;')

			#cursor.execute('SET CHARACTER SET utf8;')

			#cursor.execute('SET character_set_connection=utf8;')

		except:

			return -1


		return 1


	#drop old table if exist!! be careful when using it!!

	def create_table(self, sql, table_name):

		try:

			drop_sql = "DROP TABLE IF EXISTS " + table_name

			self.cursor.execute(drop_sql)

			self.cursor.execute(sql)

		except:

			return -1

		return 1


	#insert, update, delete query

	def cmd(self, sql):

		try:

			self.cursor.execute(sql)

			self.db.commit()

		except:

			self.db.rollback()

			return -1

		return 1


	#find query

	def query(self, sql):

		try:

			self.cursor.execute(sql)

			result = self.cursor.fetchall()

		except:

			result = -1

		return result


	def close(self):

		self.db.close()


	def __exit__(self, exc_type, exc_value, traceback):

		self.db.close()