+++ /dev/null
-# -*- coding: utf-8 -*-
-#
-# This file is part of FNP-Redakcja, licensed under GNU Affero GPLv3 or later.
-# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
-#
-import re
-from urllib2 import urlopen
-from django import forms
-from django.utils.translation import ugettext_lazy as _
-from cover.models import Image
-
-class ImageAddForm(forms.ModelForm):
- class Meta:
- model = Image
-
-class ImageEditForm(forms.ModelForm):
- """Form used for editing a Book."""
- class Meta:
- model = Image
- exclude = ['download_url']
-
-
-class ReadonlyImageEditForm(ImageEditForm):
- """Form used for not editing a Book."""
-
- def __init__(self, *args, **kwargs):
- ret = super(ReadonlyImageEditForm, self).__init__(*args, **kwargs)
- for field in self.fields.values():
- field.widget.attrs.update({"readonly": True})
- return ret
-
- def save(self, *args, **kwargs):
- raise AssertionError, "ReadonlyImageEditForm should not be saved."
-
-
-class FlickrForm(forms.Form):
- source_url = forms.URLField(label=_('Flickr URL'))
-
- def clean_source_url(self):
- def normalize_html(html):
- return re.sub('[\t\n]', '', html)
-
- url = self.cleaned_data['source_url']
- m = re.match(r'(https?://)?(www\.|secure\.)?flickr\.com/photos/(?P<author>[^/]+)/(?P<img>\d+)/?', url)
- if not m:
- raise forms.ValidationError("It doesn't look like Flickr URL.")
- author_slug, img_id = m.group('author'), m.group('img')
- base_url = "https://www.flickr.com/photos/%s/%s/" % (author_slug, img_id)
-
- try:
- html = normalize_html(urlopen(url).read().decode('utf-8'))
- except:
- raise forms.ValidationError('Error reading page.')
- match = re.search(r'<a href="([^"]*)" rel="license cc:license">Some rights reserved</a>', html)
- try:
- assert match
- license_url = match.group(1)
- self.cleaned_data['license_url'] = license_url
- re_license = re.compile(r'http://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))
- except AssertionError:
- raise forms.ValidationError('Error reading license name.')
-
- m = re.search(r'<strong class="username">By <a href="[^"]*">([^<]*)</a></strong>', html)
- if m:
- self.cleaned_data['author'] = "%s@Flickr" % m.group(1)
- else:
- raise forms.ValidationError('Error reading author name.')
-
- m = re.search(r'<h1[^>]*>(.*?)</h1>', html)
- if not m:
- raise forms.ValidationError('Error reading image title.')
- self.cleaned_data['title'] = m.group(1)
-
- url_size = base_url + "sizes/o/"
- html = normalize_html(urlopen(url_size).read().decode('utf-8'))
- m = re.search(r'<div id="allsizes-photo">\s*<img src="([^"]*)"', html)
- if m:
- self.cleaned_data['download_url'] = m.group(1)
- else:
- raise forms.ValidationError('Error reading image URL.')
- return base_url