Refactoring out challenge

lemur/common/utils.py

@@ -6,6 +6,8 @@
 
 .. moduleauthor:: Kevin Glisson <kglisson@netflix.com>
 """
+import string
+import random
 from functools import wraps
 
 from flask import current_app
@@ -15,6 +17,17 @@ from flask.ext.restful.reqparse import RequestParser
 from flask.ext.sqlalchemy import Pagination
 
 
+def get_psuedo_random_string():
+    """
+    Create a random and strongish challenge.
+    """
+    challenge = ''.join(random.choice(string.ascii_uppercase) for x in range(6))  # noqa
+    challenge += ''.join(random.choice("~!@#$%^&*()_+") for x in range(6))  # noqa
+    challenge += ''.join(random.choice(string.ascii_lowercase) for x in range(6))
+    challenge += ''.join(random.choice(string.digits) for x in range(6))  # noqa
+    return challenge
+
+
 class marshal_items(object):
     def __init__(self, fields, envelope=None):
         self.fields = fields