B q\M@s dZddlZddlZddZdS)z Functions to do XML schema and DTD validation. At the moment, this makes a subprocess call to xmllint. This could use a Python-based library at some point in the future, if something appropriate could be found. Nc Cstj|\}}|dkr"d|}n|dkr4d|}ntdtjd||dtjtjd}|\}}|j d krzt d n,|j d krd d l m }t d ||j |j ||fS)ay Validates an XML file against a schema or DTD. Parameters ---------- filename : str The path to the XML file to validate schema_file : str The path to the XML schema or DTD Returns ------- returncode, stdout, stderr : int, str, str Returns the returncode from xmllint and the stdout and stderr as strings z.xsdz --schema z.dtdz --dtdvalid z2schema_file must be a path to an XML Schema or DTDzxmllint --noout --nonet {} {}T)shellstdoutstderrz-xmllint not found, so can not validate schemar)signal_number_to_namez&xmllint was terminated by signal '{0}') ospathsplitext TypeError subprocessPopenformatPIPEZ communicate returncodeOSErrorZastropy.utils.miscr) filenameZ schema_filebaseZextZ schema_partprrrr9lib/python3.7/site-packages/astropy/utils/xml/validate.pyvalidate_schemas&       r)__doc__rr rrrrrs