password generator

users.py

@@ -2,6 +2,7 @@
 
 import argparse
 import bcrypt
+import random
 import sqlite3
 
 
@@ -45,12 +46,16 @@ class User:
     def add(self):
         if self.password is None:
             self.password = self._passgen()
+            print "Password has been generated: %s", self.password 
         hashed_password = bcrypt.hashpw(self.password.encode('utf-8'), bcrypt.gensalt())
-        self.connection["cursor"].execute(
-            "INSERT INTO users (name, password) VALUES (?, ?)",
-            (self.user, hashed_password)
-        )
-        self._commit()
+        try: 
+            self.connection["cursor"].execute(
+                "INSERT INTO users (name, password) VALUES (?, ?)",
+                (self.user, hashed_password)
+            )
+            self._commit()
+        except sqlite3.IntegrityError: 
+            print 'user already exists'
         self._close_connection()
 
     def delete(self):
@@ -62,7 +67,8 @@ class User:
         self._close_connection()
 
     def _passgen(self):
-        pass
+        chars = 'abcdefghijklmnopqrstuvwxyz0123456789!@#$%^&*(-_=+)'
+        return ''.join(random.choice(chars) for i in range(10))
 
 
 if __name__ == "__main__":