From e6350f05d03fd364239d9b3aa95af9faefdcd686 Mon Sep 17 00:00:00 2001
From: Ethan Dalool <ethan@voussoir.net>
Date: Tue, 21 Jan 2020 17:45:34 -0800
Subject: [PATCH] Add function urandom_hex to passwordy.

---
 voussoirkit/passwordy.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/voussoirkit/passwordy.py b/voussoirkit/passwordy.py
index 76ac9ad..51547a7 100644
--- a/voussoirkit/passwordy.py
+++ b/voussoirkit/passwordy.py
@@ -1,3 +1,5 @@
+import math
+import os
 import string
 import random
 import sys
@@ -127,6 +129,11 @@ def make_sentence(length=None, joiner=' '):
     result = joiner.join(words)
     return result
 
+def urandom_hex(length):
+    randbytes = os.urandom(math.ceil(length / 2))
+    token = ''.join('{:02x}'.format(x) for x in randbytes)
+    token = token[:length]
+    return token
 if __name__ == '__main__':
     args = sys.argv[1:]
     argc = len(args)