add GDFL to campaign choices

needed for framasoft translation of a Stallman book

core/cc.py

@@ -10,8 +10,8 @@ INFO_CC = (
     ('CC BY', 'by', 'Creative Commons Attribution 3.0 Unported (CC BY 3.0)', 'http://creativecommons.org/licenses/by/3.0/'), 
     ('CC0', 'cc0', 'No Rights Reserved (CC0)', 'http://creativecommons.org/about/cc0'),
 )
+INFO_FREE = INFO_CC + (('GFDL', 'gdfl', 'GNU Free Documentation License', 'http://www.gnu.org/licenses/fdl-1.3-standalone.html'),)
 INFO_PD = (
-    ('GFDL', 'gdfl', 'GNU Free Documentation License', 'http://www.gnu.org/licenses/fdl-1.3-standalone.html'),
     ('PD-US', 'pd-us', 'Public Domain, US', 'http://creativecommons.org/about/pdm'),
 )
 INFO_ALL = INFO_CC + INFO_PD
@@ -19,6 +19,7 @@ INFO_ALL = INFO_CC + INFO_PD
 # CONTENT_TYPES will be easiest to manipulate in ungluify_record as a dict
 
 CCCHOICES = tuple([(item[0],item[2]) for item in INFO_CC])
+FREECHOICES = tuple([(item[0],item[2]) for item in INFO_FREE])
     
 CHOICES = tuple([(item[0],item[2]) for item in INFO_ALL])
 

core/models.py

@@ -377,7 +377,7 @@ class Hold(models.Model):
         return Hold.objects.filter(work=self.work,library=self.library,created__lt=self.created).count()
 
 class Campaign(models.Model):
-    LICENSE_CHOICES = cc.CCCHOICES
+    LICENSE_CHOICES = cc.FREECHOICES
     created = models.DateTimeField(auto_now_add=True,)
     name = models.CharField(max_length=500, null=True, blank=False)
     description = RichTextField(null=True, blank=False)

frontend/forms.py

@@ -546,6 +546,8 @@ def getManageCampaignForm ( instance, data=None, initial=None, *args, **kwargs )
                         raise forms.ValidationError(_('The proposed license for an ACTIVE campaign may not add restrictions.'))
                     elif self.instance.license == 'CC0' :
                         raise forms.ValidationError(_('The proposed license for an ACTIVE campaign may not add restrictions.'))
+                    elif self.instance.license == 'GDFL' :
+                        raise forms.ValidationError(_('Once you start a campaign with GDFL, you can\'t use any other license.'))
             return new_license
     return ManageCampaignForm(instance = instance, data=data, initial=initial)