implement new module gvawebcore to provide common code

- add gvawebcore.forms.PasswordModelFormMixin
- add generated documentation
- add german translation

docs/code.rst

@@ -15,6 +15,7 @@ Common code
 .. toctree::
 
    code/gvacommon
+   code/gvawebcore
 
 
 Celery task stubs

docs/code/gvawebcore.rst

@@ -0,0 +1,11 @@
+:py:mod:`gvawebcore`
+====================
+
+.. automodule:: gvawebcore
+
+
+:py:mod:`forms <gvawebcore.forms>`
+----------------------------------
+
+.. automodule:: gvawebcore.forms
+   :members:

gnuviechadmin/gvawebcore/__init__.py

@@ -0,0 +1,5 @@
+"""
+This is a collection of modules that can be used by multiple gnuviechadmin
+apps.
+
+"""

gnuviechadmin/gvawebcore/forms.py

@@ -0,0 +1,43 @@
+"""
+This module defines form classes that can be extended by other gnuviechadmin
+apps' forms.
+
+"""
+from __future__ import absolute_import, unicode_literals
+
+from django import forms
+from django.utils.translation import ugettext_lazy as _
+
+
+PASSWORD_MISMATCH_ERROR = _("Passwords don't match")
+"""
+Error message for non matching passwords.
+"""
+
+
+class PasswordModelFormMixin(forms.Form):
+    """
+    A form for entering a password in two password fields. The form checks
+    whether both fields contain the same string.
+
+    """
+    password1 = forms.CharField(
+        label=_('Password'), widget=forms.PasswordInput,
+    )
+    password2 = forms.CharField(
+        label=_('Password (again)'), widget=forms.PasswordInput,
+    )
+
+    def clean_password2(self):
+        """
+        Check that the two password entries match.
+
+        :return: the validated password
+        :rtype: str or None
+
+        """
+        password1 = self.cleaned_data.get('password1')
+        password2 = self.cleaned_data.get('password2')
+        if password1 and password2 and password1 != password2:
+            raise forms.ValidationError(PASSWORD_MISMATCH_ERROR)
+        return password2

gnuviechadmin/gvawebcore/locale/de/LC_MESSAGES/django.po

@@ -0,0 +1,32 @@
+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the PACKAGE package.
+# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: gvawebcore\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2015-01-25 11:49+0100\n"
+"PO-Revision-Date: 2015-01-25 11:49+0100\n"
+"Last-Translator: Jan Dittberner <jan@dittberner.info>\n"
+"Language-Team: Jan Dittberner <jan@dittberner.info>\n"
+"Language: de\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+"X-Generator: Poedit 1.6.10\n"
+"X-Poedit-SourceCharset: UTF-8\n"
+
+#: forms.py:12
+msgid "Passwords don't match"
+msgstr "Passwörter stimmen nicht überein"
+
+#: forms.py:25
+msgid "Password"
+msgstr "Passwort: "
+
+#: forms.py:28
+msgid "Password (again)"
+msgstr "Passwortwiederholung"