def decode_body(content, charset):
if content is None:
return None
if content == b'':
return ''
if charset:
charset = six.ensure_unicode(charset)
return content.decode(charset, errors='ignore')
# todo: encoding detect
try:
return content.decode('utf-8')
except:
pass
try:
return content.decode('gb18030')
except:
pass
return '{decode content failed, unknown charset}'