def clean_custom_css(self, *args, **kwargs):
if self.cleaned_data.get('custom_css') or self.files.get('custom_css'):
css = self.cleaned_data['custom_css'] or self.files['custom_css']
try:
validate_css(css.read())
return css
except IsADirectoryError:
self.instance.custom_css = None
self.instance.save(update_fields=['custom_css'])
else:
self.instance.custom_css = None
self.instance.save(update_fields=['custom_css'])
def clean_custom_css(self):
if self.cleaned_data.get("custom_css") or self.files.get("custom_css"):
css = self.cleaned_data["custom_css"] or self.files["custom_css"]
if self.is_administrator:
return css
try:
validate_css(css.read())
return css
except IsADirectoryError:
self.instance.custom_css = None
self.instance.save(update_fields=["custom_css"])
else:
self.instance.custom_css = None
self.instance.save(update_fields=["custom_css"])
return None
def clean_custom_css_text(self):
css = self.cleaned_data.get("custom_css_text").strip()
if not css or self.is_administrator:
return css
validate_css(css)
return css
def test_invalid_css(invalid_css):
with pytest.raises(ValidationError):
validate_css(invalid_css)
def test_valid_css(valid_css):
assert validate_css(valid_css) == valid_css