apps/explorer/forms.py

   1 from django import forms
   2
   3 from lxml import etree
   4 from librarian import dcparser
   5
   6 from explorer import models
   7
   8
   9 class BookForm(forms.Form):
  10     text = forms.CharField(widget=forms.Textarea)
  11     commit_message = forms.CharField()
  12     user = forms.CharField()
  13
  14 class ImageFoldersForm(forms.Form):
  15     folders = forms.ChoiceField(required=False)
  16
  17     def __init__(self, *args, **kwargs):
  18         super(ImageFoldersForm, self).__init__(*args, **kwargs)
  19         self.fields['folders'].choices = [('', '-- Wybierz folder z obrazkami --')] + [(fn, fn) for fn in models.get_image_folders()]
  20
  21
  22 class DublinCoreForm(forms.Form):
  23     wiki_url = forms.URLField(verify_exists=False)
  24     author = forms.CharField()
  25     title = forms.CharField()
  26     epoch = forms.CharField()
  27     kind = forms.CharField()
  28     genre = forms.CharField()
  29     created_at = forms.DateField()
  30     released_to_public_domain_at = forms.DateField()
  31     translator = forms.CharField(required=False)
  32     technical_editor = forms.CharField(required=False)
  33     publisher = forms.CharField()
  34     source_name = forms.CharField(widget=forms.Textarea)
  35     source_url = forms.URLField(verify_exists=False)
  36     url = forms.URLField(verify_exists=False)
  37     parts = forms.CharField(widget=forms.Textarea, required=False)
  38     license = forms.CharField(required=False)
  39     license_description = forms.CharField(widget=forms.Textarea, required=False)
  40
  41     def __init__(self, *args, **kwargs):
  42         text = None
  43         if 'text' in kwargs:
  44             text = kwargs.pop('text')
  45
  46         super(DublinCoreForm, self).__init__(*args, **kwargs)
  47
  48         if text is not None:
  49             book_info = dcparser.BookInfo.from_string(text)
  50             for name, value in book_info.to_dict().items():
  51                 self.fields[name].initial = value
  52
  53     def save(self, repository, path):
  54         file_contents = repository.get_file(path).data()
  55         doc = etree.fromstring(file_contents)
  56
  57         book_info = dcparser.BookInfo()
  58         for name, value in self.cleaned_data.items():
  59             if value is not None and value != '':
  60                 setattr(book_info, name, value)
  61         rdf = etree.XML(book_info.to_xml())
  62
  63         old_rdf = doc.getroottree().find('//{http://www.w3.org/1999/02/22-rdf-syntax-ns#}RDF')
  64         old_rdf.getparent().remove(old_rdf)
  65         doc.insert(0, rdf)
  66         repository.add_file(path, unicode(etree.tostring(doc), 'utf-8'))
  67