def validate(self):
from ductus.resource import get_resource_database
from ductus.resource.ductmodels import DuctModelMismatchError
resource_database = get_resource_database()
for r in self._re_objects:
match = r.match(self.uri)
if match is not None:
hash_type, digest = match.group(1), match.group(2)
urn = "urn:%s:%s" % (hash_type, digest)
if urn not in resource_database:
raise forms.ValidationError(
_(u"This urn cannot be found on the server you are currently accessing."
))
try:
Picture.load(urn)
except DuctModelMismatchError:
raise forms.ValidationError(
_(u"This urn represents content that is not a picture."
))
# fixme: handle exception raised by get_resource_object if it's
# actually a blob
self.urn = urn
return
# this should never be reached
assert self.handles(self.uri)
def save(self, save_context):
if self.cleaned_data['uri'] != '':
# either we have a uri (like a flickr picture)
return self.handler.save(save_context)
if self.cleaned_data['file'] is not None:
# or it's a local file we need to save
pic = Picture()
pic.blob.store(iter(self.cleaned_data['file'].chunks()))
pic.blob.mime_type = self.cleaned_data['file'].ductus_mime_type
pic.common.patch_from_blueprint(None, save_context)
return pic.save()
def save(self, save_context):
if self.cleaned_data['uri'] != '':
# either we have a uri (like a flickr picture)
return self.handler.save(save_context)
if self.cleaned_data['file'] is not None:
# or it's a local file we need to save
pic = Picture()
pic.blob.store(iter(self.cleaned_data['file'].chunks()))
pic.blob.mime_type = self.cleaned_data['file'].ductus_mime_type
pic.common.patch_from_blueprint(None, save_context)
return pic.save()
def save(self, save_context, picture=None, return_before_saving=False):
photo = self.photo
if picture is None:
picture = Picture()
img_url = photo.original_url or photo.large_url or photo.medium_url
picture.blob.store(iterate_file_object(urlopen(img_url)))
picture.blob.mime_type = 'image/jpeg'
license_elt = picture.common.licenses.new_item()
license_elt.href = photo['license']
picture.common.licenses.array = [license_elt]
picture.common.patch_from_blueprint(None, save_context)
picture.credit.title.text = photo['title']['_content']
picture.credit.original_url.href = photo.page_url
picture.credit.author.text = "%(realname)s (%(username)s)" % photo['owner']
picture.credit.author_url.href = photo.userpage_url
if photo['rotation'] and photo.original_url:
picture.rotation = unicode(360 - int(photo['rotation']))
if return_before_saving:
return
return picture.save()
def validate(self):
from ductus.resource import get_resource_database
from ductus.resource.ductmodels import DuctModelMismatchError
resource_database = get_resource_database()
for r in self._re_objects:
match = r.match(self.uri)
if match is not None:
hash_type, digest = match.group(1), match.group(2)
urn = "urn:%s:%s" % (hash_type, digest)
if urn not in resource_database:
raise forms.ValidationError(_(u"This urn cannot be found on the server you are currently accessing."))
try:
Picture.load(urn)
except DuctModelMismatchError:
raise forms.ValidationError(_(u"This urn represents content that is not a picture."))
# fixme: handle exception raised by get_resource_object if it's
# actually a blob
self.urn = urn
return
# this should never be reached
assert self.handles(self.uri)
def edit_picture(request):
if request.method == 'POST':
form = PictureRotationForm(request.POST)
if form.is_valid() and "parent" in request.POST:
save_context = BlueprintSaveContext.from_request(request)
blueprint = {
'resource': {
'@patch': request.POST["parent"],
'rotation': form.cleaned_data['rotation'],
}
}
urn = Picture.save_blueprint(blueprint, save_context)
return SuccessfulEditRedirect(urn)
else:
form = PictureRotationForm()
return render_to_response('picture/edit.html', {
'form': form,
'parent_urn': request.ductus.resource.urn,
}, RequestContext(request))
def edit_picture(request):
if request.method == 'POST':
form = PictureRotationForm(request.POST)
if form.is_valid() and "parent" in request.POST:
save_context = BlueprintSaveContext.from_request(request)
blueprint = {
'resource': {
'@patch': request.POST["parent"],
'rotation': form.cleaned_data['rotation'],
}
}
urn = Picture.save_blueprint(blueprint, save_context)
return SuccessfulEditRedirect(urn)
else:
form = PictureRotationForm()
return render_to_response('picture/edit.html', {
'form': form,
'parent_urn': request.ductus.resource.urn,
}, RequestContext(request))