def step( self ) :
error = None
mets_file = self.command_line.exported_mets_file
mets_file_original = mets_file + self.config.general.mets_file_original_extension
# Duplicate METS so we always have the original file (This has the current image paths)
if self.debug:
print "File locations:", mets_file, mets_file_original
shutil.copyfile( mets_file, mets_file_original )
error = self.checkFile( mets_file_original )
if error == None:
silo = self.config.databank.silo
mets, error = self._open( mets_file )
if mets:
error = None
schema = r"{http://www.loc.gov/METS/}"
pretty_print = False
if self.debug:
pretty_print = True
root = mets.getroot()
for div_element in root.iterfind( r"./{0}structMap[@TYPE='PHYSICAL']/{0}div/{0}div".format (schema) ) :
uuid = div_element.get( "CONTENTIDS" )[9:]
for fptr in div_element.iterfind( "{0}fptr".format(schema) ) :
xpath = r"./{0}fileSec/{0}fileGrp/{0}file[@ID='{1}']/{0}FLocat".format( schema, fptr.get( "FILEID" ) )
file_link = root.find( xpath )
file_href_basename = os.path.basename( file_link.get( "{http://www.w3.org/1999/xlink}href" ) )
databank_href = self.config.update_mets.databank_url + Databank.getFileUrl( silo, uuid, file_href_basename )
file_link.set( "{http://www.w3.org/1999/xlink}href", databank_href )
success, error = self._save( mets_file, unicode( etree.tostring( root, xml_declaration=True, encoding='UTF-8', method='xml', pretty_print=pretty_print ), "utf-8" ) )
if success:
error = None
else:
error += " Unable to copy the METS file"
return error
