def assign_files_to_iconfonts(self):
from filer.models.filemodels import File
from cmsplugin_cascade.models import IconFont
for file in File.objects.all():
if file.label != 'Font Awesome':
continue
if self.verbosity >= 2:
self.stdout.write("Creating Icon Font from: {}".format(
file.label))
try:
zip_ref = zipfile.ZipFile(file.file, 'r')
except zipfile.BadZipFile as exc:
self.stderr.write("Unable to unpack {}: {}".format(
file.label, exc))
else:
if not IconFont.objects.filter(zip_file=file).exists():
font_folder, config_data = unzip_archive(
file.label, zip_ref)
IconFont.objects.create(
identifier=config_data['name'],
config_data=config_data,
zip_file=file,
font_folder=font_folder,
)
zip_ref.close()
def clean(self):
fontello_url = 'http://fontello.com/'
cleaned_data = super().clean()
if 'zip_file' in self.changed_data:
try:
label = cleaned_data['zip_file'].label
zip_ref = zipfile.ZipFile(cleaned_data['zip_file'].file.file, 'r')
cleaned_data.update(zip(['font_folder', 'config_data'], unzip_archive(label, zip_ref)))
except Exception as exc:
raise ValidationError(format_lazy(_("Can not unzip uploaded archive {}: {}"), label, exc))
finally:
zip_ref.close()
try:
css_prefix_text = cleaned_data['config_data']['css_prefix_text']
except KeyError:
raise ValidationError(format_lazy(
_("File does not seem to originate from <a href=\"{url}\" target=\"_blank\">{url}</a>"),
url=fontello_url,
))
other_icon_fonts = IconFont.objects.all()
if self.instance:
other_icon_fonts = other_icon_fonts.exclude(id=self.instance.id)
for icon_font in other_icon_fonts:
if icon_font.config_data['css_prefix_text'] == css_prefix_text:
msg = format_lazy(_(
"Icon Font '{icon_font}' already uses CSS prefix '{css_prefix}'.<br/>" \
"Please reload the font from <a href=\"{url}\" target=\"_blank\">{url}</a> " \
"using another CSS prefix."),
icon_font=icon_font.identifier, css_prefix=css_prefix_text, url=fontello_url)
raise ValidationError(mark_safe(msg))
return cleaned_data