Example #1
0
    def __init__(self,source, defaultStatements=(), context='', **kw):
        stmts, format, fsize, mtime = loadFileStore(source, context)
        if stmts is None:
            stmts = defaultStatements
        
        #try to save in source format 
        if format == 'ntriples':
            self.format = 'nt'
            self.path = source
        elif format == 'rdfxml':
            self.format = 'xml'
            self.path = source
        else:
            #unsupported format, save as ntriples (to new file)
            self.format = 'nt'
            base, ext = os.path.splitext(path)
            self.path = base + '.nt'

        import rdflib
        RDFLibStore.__init__(self, rdflib.ConjunctiveGraph())
        self.addStatements( stmts )
Example #2
0
from vesper.data.store import basic 
import sys

if len(args) == 2:
  source = sys.argv[1]
  dest = sys.argv[2]
else:
  print 'usage: copystore.py [source] [dest]'
  sys.exit(-1)

stmts, format, fsize, mtime = basic.loadFileStore(source)
store = basic.MemStore(stmts)
format = basic.guessFileType(dest)
if not format:
  print 'error: unknown format for', dest
  sys.exit(-1)  
outputfile = open(dest, 'wt')
try:
  stmts = store.getStatements()
  basic.serializeRDF_Stream(stmts, outputfile, format)
finally:
  outputfile.close()