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import datetime, sys
import random
NAMESPACES = [
("rdf", "<http://www.w3.org/2000/01/rdf-schema#>"),
("nrl", "<http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#>"),
("nid3","<http://www.semanticdesktop.org/ontologies/2007/05/10/nid3#>"),
("nao", "<http://www.semanticdesktop.org/ontologies/2007/08/15/nao#>"),
("nco", "<http://www.semanticdesktop.org/ontologies/2007/03/22/nco#>"),
("nmo", "<http://www.semanticdesktop.org/ontologies/2007/03/22/nmo#>"),
("nfo", "<http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#>"),
("nie", "<http://www.semanticdesktop.org/ontologies/2007/01/19/nie#>"),
("ncal", "<http://www.semanticdesktop.org/ontologies/2007/04/02/ncal#>"),
("xsd", "<http://www.w3.org/2001/XMLSchema#>")
]
def print_namespaces ():
for prefix, uri in NAMESPACES:
print "@prefix %s: %s." % (prefix, uri)
print ""
def print_property (property_name, value, t="str", final=False):
if (value):
if (final):
end_line = ".\n"
else:
end_line = ";"
try:
if (t == "str"):
print '\t%s "%s"%s' % (property_name.encode ('utf8'),
str(value).encode ('utf8').replace('"','\\"').replace('\n','\\n'), end_line)
elif (t == "uri"):
print '\t%s <%s>%s' % (property_name.encode ('utf8'),
value.encode ('utf8'), end_line)
elif (t == "int"):
print '\t%s %s%s' % (property_name.encode ('utf8'),
str(value), end_line)
except (UnicodeDecodeError, UnicodeEncodeError):
print >> sys.stderr, "Encoding error in %s %s %s" % (property_name,
value,
end_line)
def print_instance (uri, klass, final=False):
if (final):
append = "."
else:
append = ";"
print "<%s> a %s%s" % (uri, klass, append)
def print_anon_node (prop, objtype, objprop, objpropvalue, t="str", final=False):
delimiter_before = "\""
delimiter_after = "\""
if (t == "uri"):
delimiter_before = "<"
delimiter_after = ">"
if (final):
end = ".\n"
else:
end = ";"
print "\t%s [a %s; %s %s%s%s]%s" % (prop, objtype, objprop,
delimiter_before, objpropvalue, delimiter_after,
end)
def getPseudoRandomDate ():
moment = datetime.datetime.now() - datetime.timedelta(days=random.randint(0, 400), minutes=random.randint(0, 59), seconds=random.randint(0, 59))
return moment.isoformat ().split('.')[0]
def get_random_uuid_uri ():
return "urn:uuid:" + str(random.randint(0, sys.maxint))
def get_random_in_list (l):
if len(l) == 0:
return None
return l[random.randint (0, len(l) - 1)]
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