source: TI01-discovery/branches/ingestAutomation-upgrade/OAIBatch/SchemaNameSpace.py @ 3817

import sys, logging

class SchemaNameSpace:
    ''' 
    Class to change/correct namespaces to the latest ones used by NDG discovery
    NB, only currently handles correction of DIF files
    '''
    def __init__(self, infile, outfile, format):
        '''
        Constructor - with the logic to do the namespace change
        @param infile: file to correct namespaces in
        @param outfile: file to create with the corrected namespaces
        @param format: Format of file being processed.  DIF is the only format which currently is processed.   
        '''
        logging.info("Correcting namespace in file, " + infile)
            
        self.ff=open(infile,'r')
        self.ww=open(outfile,'w')
        self.format= format
        self.lines=self.ff.readlines()
        
        for self.line in self.lines:
            if self.format== "DIF" and self.line.startswith('<DIF'):
                logging.info("changing line for %s. output to %s" %(infile,outfile))
                self.line='<DIF xmlns="http://gcmd.gsfc.nasa.gov/Aboutus/xml/dif/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">\n'
            self.ww.write(self.line)
        self.ff.close()
        self.ww.close()

        logging.info("Corrected file written to, " + outfile)