84 lines
3.2 KiB
Python
84 lines
3.2 KiB
Python
#!/usr/bin/python3
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# -*- coding: utf-8 -*-
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# Author: İsmail BAŞARAN <ismail.basaran@tubitak.gov.tr> <basaran.ismaill@gmail.com>
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from base.Scope import Scope
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import sqlite3
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class AhenkDbService(object):
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"""
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Sqlite manager for ahenk
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"""
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def __init__(self):
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scope = Scope.getInstance()
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self.logger = scope.getLogger()
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self.configurationManager = scope.getConfigurationManager()
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self.db_path=self.configurationManager.get("BASE","dbPath")
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self.connection=None
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self.cursor = None
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def connect():
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try:
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self.connection=sqlite3.connect(self.db_path, check_same_thread=False)
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self.cursor = self.connection.cursor()
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except Exception as e:
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self.logger.error('Database connection error ' + str(e))
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def check_and_create_table(self,table_name,cols):
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if self.cursor:
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cols = ', '.join([str(x) for x in cols])
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self.cursor.execute("create table if not exists "+table_name+" ("+cols+")")
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else
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self.warn("Could not create table cursor is None! Table Name : " + str(table_name))
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def update(self, table_name, cols, args, criteria=None):
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try:
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if self.connection:
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if criteria == None:
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cols = ', '.join([str(x) for x in cols])
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params = ', '.join(["?" for x in args])
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sql = "INSERT INTO "+table_name+" ("+cols+") VALUES ("+params+")"
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self.cursor.execute(sql, tuple(args))
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else:
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update_list = ""
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params = ', '.join(["?" for x in args])
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for index in range(len(cols)):
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update_list = update_list + " " + cols[index] +" = ?,"
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update_list = update_list.strip(',')
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sql = "UPDATE "+table_name+" SET " + update_list + " " + criteria
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self.cursor.execute(sql, tuple(args))
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self.connection.commit()
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else:
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self.warn("Could not update table cursor is None! Table Name : " + str(table_name))
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except Exception, e:
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self.logger.error("Updating table error ! Table Name : " + str(table_name) + " " + str(e))
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def delete(self):
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sql = "DELETE FROM " + table_name + str(criteria)
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self.cursor.execute(sql)
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self.connection.commit()
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def findByProperty(self):
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# Not implemented yet
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pass
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def select(self,table_name, cols="*", criteria="", orderby=""):
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if self.cursor:
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try:
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if not cols == "*":
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cols = ', '.join([str(x) for x in cols])
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sql = "SELECT "+cols+" FROM " + table_name + " " + str(criteria) + " " + orderby
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self.cursor.execute(sql)
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rows = self.cursor.fetchall()
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return rows
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except Exception as e:
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raise
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else:
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self.warn("Could not select table cursor is None! Table Name : " + str(table_name))
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def close(self):
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try:
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self.cursor.close()
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self.connection.close()
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except Exception as e:
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self.logger.error("Closing database connection error " + str(e))
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