def copy_snippet_from_form(form, snippet=None):
if snippet is None:
snippet = CodeSnippet()
for field_name, clean_val in form.cleaned_data.items():
setattr(snippet, field_name, clean_val)
current_user = User.get_current()
if not snippet.is_saved():
snippet.creator = current_user
snippet.modifier = current_user
return snippet
