CellMLToNektar.validator.RvpRelaxngValidator Class Reference

Inheritance diagram for CellMLToNektar.validator.RvpRelaxngValidator:

Collaboration diagram for CellMLToNektar.validator.RvpRelaxngValidator:

Classes
class	RvpProtocolError

Public Member Functions
def	__init__

Public Attributes
	expat

Private Attributes
	_ws
	_rvp_pipe
	_rvpout

Detailed Description

A RELAX NG validator built on top of RVP (http://www.davidashen.net/rnv.html).
Can validate against schemas written in the compact syntax.

Definition at line 253 of file validator.py.

Constructor & Destructor Documentation

def CellMLToNektar.validator.RvpRelaxngValidator.__init__	(		self,
			schemaBase
	)

Initialise the RELAX NG validator.
Launches RVP as a parallel process.
schema_filename should be the name of a file containing the RELAX NG schema, in compact syntax.

Definition at line 262 of file validator.py.

    def __init__(self, schemaBase):
        """Initialise the RELAX NG validator.
        Launches RVP as a parallel process.
        schema_filename should be the name of a file containing the RELAX NG schema, in compact syntax.
        """
        self._ws = re.compile('[^\t\n\r ]')
        schema_filename = schemaBase + '.rnc'
        # Launch RVP
        try:
            self._rvp_pipe = subprocess.Popen(['rvp', schema_filename],
                                              stdin=subprocess.PIPE, stdout=subprocess.PIPE, close_fds=True)
        except OSError, e:
            raise self.RvpProtocolError("Failed to run rvp for CellML syntax validation: " + str(e))
        # We use os.read & os.write, so store file descriptors
        self._rvpin, self._rvpout = self._rvp_pipe.stdin.fileno(), self._rvp_pipe.stdout.fileno()
        # Import Expat parser module
        import xml.parsers.expat
        self.expat = xml.parsers.expat