import re
from urllib2 import urlopen
from django import forms
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import ugettext_lazy as _, ugettext
from cover.models import Image
+from django.utils.text import mark_safe
class ImageAddForm(forms.ModelForm):
class Meta:
def __init__(self, *args, **kwargs):
super(ImageAddForm, self).__init__(*args, **kwargs)
- self.fields['file'].required = self.fields['download_url'].required = self.fields['source_url'].required = False
+ self.fields['file'].required = False
def clean_download_url(self):
- return self.cleaned_data['download_url'] or None
-
- def clean_source_url(self):
- return self.cleaned_data['source_url'] or None
+ cl = self.cleaned_data['download_url'] or None
+ if cl is not None:
+ try:
+ img = Image.objects.get(download_url=cl)
+ except Image.DoesNotExist:
+ pass
+ else:
+ raise forms.ValidationError(mark_safe(
+ ugettext('Image <a href="%(url)s">already in repository</a>.'
+ ) % {'url': img.get_absolute_url()}))
+ return cl
def clean(self):
cleaned_data = super(ImageAddForm, self).clean()
raise forms.ValidationError('No image specified')
return cleaned_data
-
class ImageEditForm(forms.ModelForm):
"""Form used for editing a Book."""
class Meta:
class ReadonlyImageEditForm(ImageEditForm):
- """Form used for not editing a Book."""
+ """Form used for not editing an Image."""
def __init__(self, *args, **kwargs):
ret = super(ReadonlyImageEditForm, self).__init__(*args, **kwargs)
assert match
license_url = match.group(1)
self.cleaned_data['license_url'] = license_url
- re_license = re.compile(r'http://creativecommons.org/licenses/([^/]*)/([^/]*)/.*')
+ re_license = re.compile(r'https?://creativecommons.org/licenses/([^/]*)/([^/]*)/.*')
m = re_license.match(license_url)
assert m
self.cleaned_data['license_name'] = 'CC %s %s' % (m.group(1).upper(), m.group(2))