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-rw-r--r--misc/mon_ami/mysqlr.py135
1 files changed, 135 insertions, 0 deletions
diff --git a/misc/mon_ami/mysqlr.py b/misc/mon_ami/mysqlr.py
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+# -*- coding: utf-8 -*-
+# MySQL library
+
+import MySQLdb
+
+class MySQLR():
+
+ def __init__(self, database=None, user=None, password='', address='127.0.0.1', port=3306):
+ self.db_name = database
+ if (self.db_name == None):
+ self.db_name = ':memory:'
+ self.db_conn = None
+ self.db_cursor = None
+ self.db_port = int(port)
+ self.db_address = address
+ self.db_user = user
+ self.db_password = password
+
+ def record_factory(self, cursor, row):
+ record = dict()
+ for index, column in enumerate(cursor.description):
+ record[column[0]] = row[index]
+ return record
+
+ def connect(self, isolation_level = None):
+ try:
+ self.db_conn = MySQLdb.connect(host=self.db_address, port=self.db_port, user=self.db_user, passwd=self.db_password, db=self.db_name)
+ self.db_cursor = self.db_conn.cursor()
+ except:
+ return False
+
+ return True
+
+ def disconnect(self):
+ try:
+ self.db_nonn.close()
+ except:
+ return False
+ return True
+
+ def execute(self, query, parameters = []):
+ try:
+ return self.db_cursor.execute(query, parameters)
+ except:
+ return False
+
+ def fetch_row(self):
+ return self.db_cursor.fetchone()
+
+ def fetch_rows(self):
+ return self.db_cursor.fetchall()
+
+ def execute_get_rows(self, query, parameters = []):
+ if (self.execute(query, parameters)):
+ return self.fetch_rows()
+ else:
+ return False
+
+ def execute_get_row(self, query, parameters = []):
+ query = "%s LIMIT 1" % query
+ if (self.execute(query, parameters)):
+ return self.fetch_row()
+ else:
+ return False
+
+ def execute_get_value(self, query, parameters = []):
+ row = self.execute_get_row(query, parameters)
+ if (row):
+ return row[0]
+ else:
+ return row
+
+ def create_table(self, table, structure, primary_key = None):
+ columns = list()
+ for row in structure:
+ key, value = row.items()[0]
+ sql_type = "VARCHAR(255)"
+ sql_key = ''
+ if (key == primary_key):
+ sql_key = 'PRIMARY KEY'
+ type_r = value.split(':', 1)
+ type_n = type_r[0]
+ if (type_n == 'integer'):
+ sql_type = 'INTEGER'
+ elif (type_n == 'string'):
+ try:
+ sql_type = "VARCHAR(%s)" % type_r[1]
+ except IndexError, e:
+ sql_type = "VARCHAR(255)"
+
+ columns.append('"%s" %s %s' % (key, sql_type, sql_key))
+
+ query = 'CREATE TABLE "%s" (%s)' % (table, ', '.join(columns))
+ return self.execute(query)
+
+ def save(self, table, row):
+ keys = row.keys()
+ query = 'INSERT OR REPLACE INTO "%s" (%s) VALUES (:%s)' % (table, ', '.join(keys), ', :'.join(keys))
+
+ return self.execute(query, row)
+
+ def find_sql(self, table, rows = None):
+ values = list()
+ if (rows):
+ if (type(rows) == type(list())):
+ rows_list = rows
+ else:
+ rows_list = list()
+ rows_list.append(rows)
+
+ query_parts = list()
+
+ for row in rows_list:
+ statements = list()
+ for key, value in row.items():
+ if (value == None):
+ statements.append("`%s` IS %s" % (key, '%s'))
+ else:
+ statements.append("`%s` = %s" % (key, '%s'))
+ values.append(value)
+ query_parts.append('(%s)' % ' AND '.join(statements))
+
+ query = 'SELECT * FROM `%s` WHERE %s' % (table, ' OR '.join(query_parts))
+ else:
+ query = 'SELECT * FROM `%s`' % table
+ return query, values
+
+ def find(self, table, row = None):
+ query, value = self.find_sql(table, row)
+
+ return self.execute_get_row(query, value)
+
+ def findall(self, table, row = None):
+ query, values = self.find_sql(table, row)
+ return self.execute_get_rows(query, values)