From ffaeb55113d34ef037206c8bdd45ba6bd01e14fa Mon Sep 17 00:00:00 2001
From: dani poni <459630@gmail.com>
Date: Sat, 2 Apr 2016 17:04:44 +0200
Subject: [PATCH] Better ZIP code validation for German ZIP codes.

Regex expression taken from:
http://www.fadoe.de/blog/archives/262-Regulaerer-Ausdruck-fuer-Deutsche-Postleitzahlen.html
---
 docs/authors.rst        | 1 +
 localflavor/de/forms.py | 7 ++-----
 tests/test_de.py        | 1 +
 3 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/docs/authors.rst b/docs/authors.rst
index 387eb7c8b..dca22d37d 100644
--- a/docs/authors.rst
+++ b/docs/authors.rst
@@ -18,6 +18,7 @@ Authors
 * Bruno M. Custódio
 * Claude Paroz
 * Daniel Roschka
+* Daniela Ponader
 * Douglas Miranda
 * Erik Romijn
 * Flavio Curella
diff --git a/localflavor/de/forms.py b/localflavor/de/forms.py
index 1d15a7281..dea66bc54 100644
--- a/localflavor/de/forms.py
+++ b/localflavor/de/forms.py
@@ -28,11 +28,8 @@ class DEZipCodeField(RegexField):
     }
 
     def __init__(self, max_length=None, min_length=None, *args, **kwargs):
-        super(DEZipCodeField, self).__init__(r'^\d{5}$',
-                                             max_length,
-                                             min_length,
-                                             *args,
-                                             **kwargs)
+        super(DEZipCodeField, self).__init__(r'^([0]{1}[1-9]{1}|[1-9]{1}[0-9]{1})[0-9]{3}$',
+                                             max_length, min_length, *args, **kwargs)
 
 
 class DEStateSelect(Select):
diff --git a/tests/test_de.py b/tests/test_de.py
index a7d9edf30..46fbd24ef 100644
--- a/tests/test_de.py
+++ b/tests/test_de.py
@@ -35,6 +35,7 @@ def test_DEZipCodeField(self):
             '99423': '99423',
         }
         invalid = {
+            '00000': error_format,
             ' 99423': error_format,
         }
         self.assertFieldOutput(DEZipCodeField, valid, invalid)