def value_from_datadict(self, data, files, name):
upload = data.get(self.md5sum_field_name(name), None)
fq = data.get(self.fq_field_name(name), None)
if isinstance(upload, six.string_types) and upload[:3] == 'id:':
# Pre uploaded linked file.
return TemporaryFileWrapper.get_image_from_id(upload[3:], self.field_query)
if fq != self.get_fq():
raise Exception(force_text('For some reason FQ value is wrong...'))
was_deleted = CheckboxInput().value_from_datadict(data, files, self.clear_checkbox_name(name))
if not self.get_required_state() and was_deleted:
# If isn't required and delete is checked
if not upload:
# False signals to clear any existing value, as opposed to just None
return False
if upload:
try:
real_file = TemporaryFileWrapper.objects.get(md5sum=upload)
except TemporaryFileWrapper.DoesNotExist:
pass
else:
upload = real_file.file
return upload
def to_python(self, data):
if isinstance(data, six.string_types) and data[:3] == 'id:':
# Pre uploaded linked file.
return TemporaryFileWrapper.get_image_from_id(data[3:], self.field_query)
data = super(TgmFormImageField, self).to_python(data)
if data:
content_type = TgmFormFileField.get_content_type(data)
if content_type is not None and not allowed_type(content_type, self.allowed_types):
TgmFormFileField.file_type_error(content_type, self.allowed_types)
return data
