from lxml import etree
from librarian import dcparser
+import django.utils
from explorer import models
+class PersonField(forms.CharField):
+ def clean(self, value):
+ try:
+ return dcparser.Person.from_text( super(PersonField, self).clean(value) )
+ except ValueError, e:
+ raise django.utils.ValidationError(e.message)
+
+class PersonListField(forms.Field):
+
+ def __init__(self, *args, **kwargs):
+ super(PersonListField, self).__init__(*args, **kwargs)
+
+ def _get_initial(self):
+ return u'\n'.join( ( unicode(person) for person in self._initial) )
+
+ def _set_initial(self, value):
+ if value is None:
+ self._initial = None
+ elif isinstance(value, list):
+ self._initial = [ e if isinstance(e, dcparser.Person) \
+ else dcparser.Person.from_text(e) for e in value ]
+ elif isinstance(value, basestring):
+ self._initial = [dcparser.Person.from_text(token) for token in value.split('\n') ]
+ else:
+ raise ValueError("Invalid value. Must be a list of dcparser.Person or string")
+
+ initial = property(_get_initial, _set_initial)
+
+ def clean(self, value):
+ super(PersonListField, self).clean(value)
+ people = value.split('\n')
+ try:
+ return [dcparser.Person.from_text(person) for person in people]
+ except ValueError, e:
+ raise django.utils.ValidationError(e.message)
+
class BookForm(forms.Form):
content = forms.CharField(widget=forms.Textarea)
commit_message = forms.CharField(required=False)
class DublinCoreForm(forms.Form):
- wiki_url = forms.URLField(verify_exists=False)
- author = forms.CharField()
+ about = forms.URLField(verify_exists=False)
+ author = PersonField()
title = forms.CharField()
epoch = forms.CharField()
kind = forms.CharField()
genre = forms.CharField()
created_at = forms.DateField()
released_to_public_domain_at = forms.DateField()
- translator = forms.CharField(required=False)
- technical_editor = forms.CharField(required=False)
- publisher = forms.CharField()
+ editors = PersonListField(widget=forms.Textarea, required=False)
+ translator = PersonField(required=False)
+ technical_editor = PersonField(required=False)
+ publisher = PersonField()
source_name = forms.CharField(widget=forms.Textarea)
source_url = forms.URLField(verify_exists=False)
url = forms.URLField(verify_exists=False)
license = forms.CharField(required=False)
license_description = forms.CharField(widget=forms.Textarea, required=False)
+ commit_message = forms.CharField(required=False, widget=forms.HiddenInput)
+
def __init__(self, *args, **kwargs):
text = None
- if 'text' in kwargs:
- text = kwargs.pop('text')
+ info = kwargs.pop('info', None)
super(DublinCoreForm, self).__init__(*args, **kwargs)
- if text is not None:
- book_info = dcparser.BookInfo.from_string(text)
- for name, value in book_info.to_dict().items():
+ if isinstance(info, dcparser.BookInfo):
+ for name, value in info.to_dict().items():
self.fields[name].initial = value
-
- def save(self, repository, path):
- file_contents = repository.get_file(path)
- doc = etree.fromstring(file_contents)
-
- book_info = dcparser.BookInfo()
- for name, value in self.cleaned_data.items():
- if value is not None and value != '':
- setattr(book_info, name, value)
- rdf = etree.XML(book_info.to_xml())
-
- old_rdf = doc.getroottree().find('//{http://www.w3.org/1999/02/22-rdf-syntax-ns#}RDF')
- old_rdf.getparent().remove(old_rdf)
- doc.insert(0, rdf)
- repository.add_file(path, etree.tostring(doc, pretty_print=True, encoding=unicode))
-