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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Possible CGI entry point for the owl package.
@author: U{Ivan Herman<a href="http://www.w3.org/People/Ivan/">}
@license: This software is available for use under the
U{W3C® SOFTWARE NOTICE AND LICENSE<href="http://www.w3.org/Consortium/Legal/2002/copyright-software-20021231">}
@contact: Ivan Herman, ivan@w3.org
"""
"""
$Id: RDFConvertService.py,v 1.3 2009/07/10 08:45:14 ivan Exp $
"""
import os
import sys
import cgi
import cgitb
# prevent accidentally importing `scripts/owlrl` file when calling
# `from owlrl import ...` below.
HERE_DIR = os.path.abspath(os.path.dirname(__file__))
if HERE_DIR in sys.path:
sys.path.remove(HERE_DIR)
# Add 'owlrl' module from the parent directory into the path if it exists.
PARENT_DIR = os.path.dirname(HERE_DIR)
parent_dir_list = os.listdir(PARENT_DIR)
if 'owlrl' in parent_dir_list:
possible_owlrl = os.path.join(PARENT_DIR, 'owlrl')
if os.path.isdir(possible_owlrl):
sys.path.append(possible_owlrl)
__version__ = "4.0"
cgitb.enable()
form = cgi.FieldStorage()
from owlrl import convert_graph, RDFXML, TURTLE, AUTO
# ---------------------------------------------------------------------------------------------------------------------
class Options:
def __init__(self, frm):
self.iformat = AUTO
self.owlClosure = "no"
self.rdfsClosure = "no"
self.owlExtras = "no"
self.axioms = "no"
self.daxioms = "no"
self.sources = []
self.text = None
self.format = TURTLE
if "source_1" in list(frm.keys()):
self.sources.append(frm["source_1"].value)
if "source_2" in list(frm.keys()):
self.sources.append(frm["source_2"].value)
if "text" in list(frm.keys()):
self.text = frm["text"].value
if "format" in list(frm.keys()):
self.format = frm["format"].value
if "iformat" in list(frm.keys()):
v = frm["iformat"].value
if v == "xml" or v == "turtle":
self.iformat = v
if "fullClosure" in list(frm.keys()) and frm["fullClosure"].value == "yes":
self.owlClosure = "yes"
self.rdfsClosure = "yes"
self.axioms = "no"
self.daxioms = "no"
self.owlExtras = "no"
else:
if "owlClosure" in list(frm.keys()):
self.owlClosure = frm["owlClosure"].value
if "rdfsClosure" in list(frm.keys()):
self.rdfsClosure = frm["rdfsClosure"].value
if "owlExtras" in list(frm.keys()):
self.owlExtras = frm["owlExtras"].value
if "axioms" in list(frm.keys()):
self.axioms = frm["axioms"].value
if "daxioms" in list(frm.keys()):
self.daxioms = frm["daxioms"].value
# this one is for backward compatibility...
if "uri" in list(frm.keys()):
self.sources.append(frm["uri"].value)
if "source" in list(frm.keys()):
self.sources.append(frm["source"].value)
def to_html(self):
print('<dl>')
print('<dt>Sources:</dt>')
print('<dd>')
if len(self.sources) == 0:
print("none")
elif len(self.sources) == 1:
print(cgi.escape(self.sources[0]))
else:
print(cgi.escape(self.sources[0]), ", ", cgi.escape(self.sources[1]))
print('</dd>')
print('<dt>Input format:</dt>')
print('<dd>%s</dd>' % self.iformat)
print('<dt>Output format:</dt><dd>%s</dd>' % self.format)
print('<dt>OWL 2 RL Processing:</dt><dd>%s</dd>' % self.owlClosure)
print('<dt>RDFS Processing:</dt><dd>%s</dd>' % self.rdfsClosure)
print('<dt>Extra OWL Processing:</dt><dd>%s</dd>' % self.owlExtras)
print('<dt>Axiomatic triples added:</dt><dd>%s</dd>' % self.axioms)
print('<dt>Datatype Axiomatic triples added:</dt><dd>%s</dd>' % self.daxioms)
if self.text is not None:
print('<dt>Turtle code added to the graph:</dt>')
print('<dl>')
if self.text is not None:
print(cgi.escape(self.text).replace('\n', '<br/>'))
# ---------------------------------------------------------------------------------------------------------------------
options = Options(form)
try:
retval = convert_graph(options)
if options.format == TURTLE:
print('Content-Type: text/turtle; charset=utf-8')
else:
print('Content-Type: application/rdf+xml; charset=utf-8')
print()
print(retval)
except:
(typ, value, traceback) = sys.exc_info()
print('Content-type: text/html; charset=utf-8')
print('Status: 400 Invalid Input')
print()
print("<html>")
print("<head>")
print("<title>Error in RDF Closure processing</title>")
print("</head><body>")
print("<h1>Error in RDF Closure processing:</h1>")
print("<pre>%s</pre>" % value)
print("<h1>For reference, the input arguments were:</h1>")
options.to_html()
print("</body>")
print("</html>")
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