[damned-lies] Allow '+' char in module names

[Claude Paroz <claudep src gnome org>]

commit 88cc35a5ad04daaa1e28d99025103f9c237a0f9d
Author: Claude Paroz <claude 2xlibre net>
Date:   Sun Sep 13 21:11:28 2015 +0200

    Allow '+' char in module names
    
    Fixes bug #754967.

 stats/migrations/0005_update_module_name_field.py |   21 +++++++++++++++++++++
 stats/models.py                                   |   12 +++++++++++-
 2 files changed, 32 insertions(+), 1 deletions(-)
---
diff --git a/stats/migrations/0005_update_module_name_field.py 
b/stats/migrations/0005_update_module_name_field.py
new file mode 100644
index 0000000..f08b31b
--- /dev/null
+++ b/stats/migrations/0005_update_module_name_field.py
@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+import re
+import django.core.validators
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('stats', '0004_remove_old_cat_name'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='module',
+            name='name',
+            field=models.CharField(unique=True, max_length=50, 
validators=[django.core.validators.RegexValidator(re.compile('^[-\\+a-zA-Z0-9_]+\\Z'), "Enter a valid 'slug' 
consisting of letters, numbers, underscores, hyphens or plus signs.", 'invalid')]),
+        ),
+    ]
diff --git a/stats/models.py b/stats/models.py
index 69390c0..fb2b57a 100644
--- a/stats/models.py
+++ b/stats/models.py
@@ -31,6 +31,7 @@ from urllib2 import URLError
 from django.conf import settings
 from django.core.exceptions import ValidationError
 from django.core.urlresolvers import reverse
+from django.core.validators import RegexValidator
 from django.utils.translation import ungettext, ugettext as _, ugettext_noop
 from django.utils import dateformat
 from django.db import models, connection
@@ -42,6 +43,15 @@ from stats.doap import update_doap_infos
 from people.models import Person
 from languages.models import Language
 
+
+# Standard Django slug validation but also accept '+' (for gtk+)
+slug_re = re.compile(r'^[-\+a-zA-Z0-9_]+\Z')
+validate_slug = RegexValidator(
+    slug_re,
+    "Enter a valid 'slug' consisting of letters, numbers, underscores, hyphens or plus signs.",
+    'invalid'
+)
+
 VCS_TYPE_CHOICES = (
     ('cvs', 'CVS'),
     ('svn', 'Subversion'),
@@ -57,7 +67,7 @@ BRANCH_HEAD_NAMES = (
 )
 
 class Module(models.Model):
-    name = models.SlugField(max_length=50, unique=True)
+    name = models.CharField(max_length=50, unique=True, validators=[validate_slug])
     homepage    = models.URLField(null=True, blank=True,
                       help_text="Automatically updated if the module contains a doap file.")
     description = models.TextField(null=True, blank=True)