dbtools

DbTools.py

+from string import ascii_lowercase
+from random import choice
+import informixdb
+
+# http://stackoverflow.com/questions/2257441/random-string-generation-with-upper-case-letters-and-digits-in-python
+CURSOR_NAME_COUNT = range(6)
+
+def get_cursor_name():
+    chars = string.ascii_lowercase
+    return ''.join(random.choice(chars) for _ in CURSOR_NAME_COUNT)
+
+
+class OtherEngine(object):
+    def __init__(self, db_name, db_user, db_pass):
+        self.db_name = db_name
+        self.db_user = db_user
+        self.db_pass = db_pass
+        self.conn = None
+        self.connected = False
+
+    def get_connect(self):
+        return informixdb.connect(self.db_name, user=self.db_user,
+                password=self.db_pass)
+
+    def connect(self):
+        if self.connected:
+            return self.conn
+        self.conn = self.get_connect()
+        self.connected = True
+        return self.conn
+
+    def disconnect(self):
+        if self.connected:
+            self.conn.close()
+            self.connected = False
+
+    def get_cursor(self):
+        name = ''.join(choice(ascii_lowercase) for _ in CURSOR_NAME_COUNT)
+        return self.conn.cursor(name, rowformat=informixdb.ROW_AS_DICT)
+        #return self.conn.cursor(rowformat=informixdb.ROW_AS_OBJECT)
+
+    def execute(self, sql):
+        self.connect()
+        cursor = self.get_cursor()
+        cursor.execute(sql)
+        cursor.close()
+
+    def fetchone(self, sql):
+        self.connect()
+        cursor = self.get_cursor()
+        cursor.execute(sql)
+        r = cursor.fetchone()
+        cursor.close()
+        return r
+
+    def fetchall(self, sql):
+        self.connect()
+        cursor = self.get_cursor()
+        cursor.execute(sql)
+        r = cursor.fetchall()
+        cursor.close()
+        return r