#!/usr/bin/python """Simple web demo .... read from form, perform action based on data entered onto form, output results""" import cgi import os import commands import re inputs = cgi.FieldStorage() fill = {} for key in inputs: fill[key] = inputs[key].value userinput = fill.get("query") print "content-type: text/html\n" print "SPARQL to N3 Conversion" print "

SPARQL to N3 Query Conversion

" print """

Part of the IARPA-PIR Project

""" print """

Please enter the SPARQL query you would like to translate. Here's an example, or enter your own. Here are some great test cases. Please note that this is a work in progress, and some features are not yet implemented.

' else: print """# Sample SPARQL query that queries for SSN, age, OpenID. PREFIX example: <http://example.com/#> PREFIX foaf: <http://xmlns.com/foaf/0.1/> SELECT * WHERE { ?s example:ssn ?n. ?s foaf:age ?a. ?s foaf:openid ?id. FILTER (?a > 18) }""" print """
""" if userinput > -1: # DEBUG: We can print the user input as a sanity check here. # This should not be necessary as it stays in the input form. #print "You entered:
"
       #inputcopy = userinput
       #inputcopy = inputcopy.replace("<", "<")
       #inputcopy = inputcopy.replace(">", ">")
       #print inputcopy
       print "
The translated output is:
" #f = open('/tmp/sparql-input-query.rq', 'w') # We now support true tempfile creation. fname = '/tmp/sparql_%s.txt' % os.getpid() f = open(fname, 'w+b') f.write(userinput) f.close() #print commands.getoutput('cat /tmp/hard-query.rq') #print commands.getoutput('./sparql2n3 /tmp/hard-query.rq') #commands.getoutput('./sparql2n3 /tmp/sparql-input-query.rq > /tmp/n3output') gname = '/tmp/n3_%s.txt' % os.getpid() g = open(gname, 'w+b') arg = "./sparql2n3 " + f.name + " > " + g.name #print arg commands.getoutput(arg) #f = open('/tmp/n3output', 'r') print "
"
       for line in g:
           # Go line by line
           linetemp = line
           # Strip tags
           linetemp = linetemp.replace("<", "<")
           linetemp = linetemp.replace(">", ">")
           # Strip newline
           linetemp = linetemp[0:len(linetemp)-1]
           print linetemp
           #print "
"
       g.close()
       os.remove(fname)
       os.remove(gname)
       print "
" print """
Maintained by Jose Hiram Soltren
""" print ""