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comparison env/lib/python3.9/site-packages/rdflib/tools/rdfs2dot.py @ 0:4f3585e2f14b draft default tip

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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
author shellac
date Mon, 22 Mar 2021 18:12:50 +0000
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-1:000000000000 0:4f3585e2f14b
1 """
2 A commandline tool for drawing RDFS Class diagrams in Graphviz DOT
3 format
4
5 You can draw the graph of an RDFS file directly:
6
7 .. code-block: bash
8
9 rdf2dot my_rdfs_file.rdf | dot -Tpng | display
10 """
11
12 from __future__ import absolute_import
13
14 import rdflib.extras.cmdlineutils
15
16 import sys
17 import itertools
18 import collections
19
20
21 from rdflib import XSD, RDF, RDFS
22
23
24 XSDTERMS = [XSD[x] for x in (
25 "anyURI", "base64Binary", "boolean", "byte", "date", "dateTime", "decimal",
26 "double", "duration", "float", "gDay", "gMonth", "gMonthDay", "gYear",
27 "gYearMonth", "hexBinary", "ID", "IDREF", "IDREFS", "int", "integer",
28 "language", "long", "Name", "NCName", "negativeInteger", "NMTOKEN",
29 "NMTOKENS", "nonNegativeInteger", "nonPositiveInteger", "normalizedString",
30 "positiveInteger", "QName", "short", "string", "time", "token",
31 "unsignedByte", "unsignedInt", "unsignedLong", "unsignedShort")]
32
33 EDGECOLOR = "blue"
34 NODECOLOR = "black"
35 ISACOLOR = "black"
36
37
38 def rdfs2dot(g, stream, opts={}):
39 """
40 Convert the RDFS schema in a graph
41 writes the dot output to the stream
42 """
43
44 fields = collections.defaultdict(set)
45 nodes = {}
46
47 def node(x):
48
49 if x not in nodes:
50 nodes[x] = "node%d" % len(nodes)
51 return nodes[x]
52
53 def label(x, g):
54
55 l = g.value(x, RDFS.label)
56 if l is None:
57 try:
58 l = g.namespace_manager.compute_qname(x)[2]
59 except:
60 pass # bnodes and some weird URIs cannot be split
61 return l
62
63 stream.write(u"digraph { \n node [ fontname=\"DejaVu Sans\" ] ; \n")
64
65 for x in g.subjects(RDF.type, RDFS.Class):
66 n = node(x)
67
68 for x, y in g.subject_objects(RDFS.subClassOf):
69 x = node(x)
70 y = node(y)
71 stream.write(u"\t%s -> %s [ color=%s ] ;\n" % (y, x, ISACOLOR))
72
73 for x in g.subjects(RDF.type, RDF.Property):
74 for a, b in itertools.product(
75 g.objects(x, RDFS.domain), g.objects(x, RDFS.range)):
76 if b in XSDTERMS or b == RDFS.Literal:
77 l = label(b, g)
78 if b == RDFS.Literal:
79 l = "literal"
80 fields[node(a)].add((label(x, g), l))
81 else:
82 # if a in nodes and b in nodes:
83 stream.write(
84 "\t%s -> %s [ color=%s, label=\"%s\" ];\n" % (
85 node(a), node(b), EDGECOLOR, label(x, g)))
86
87 for u, n in nodes.items():
88 stream.write(u"# %s %s\n" % (u, n))
89 f = [u"<tr><td align='left'>%s</td><td>%s</td></tr>" %
90 x for x in sorted(fields[n])]
91 opstr = u"%s [ shape=none, color=%s label=< <table color='#666666'" + \
92 u" cellborder=\"0\" cellspacing='0' border=\"1\"><tr>" + \
93 u"<td colspan=\"2\" bgcolor='grey'><B>%s</B></td>" + \
94 u"</tr>%s</table> > ] \n"
95 stream.write(opstr % (n, NODECOLOR, label(u, g), u"".join(f)))
96
97 stream.write("}\n")
98
99
100 def _help():
101 sys.stderr.write("""
102 rdfs2dot.py [-f <format>] files...
103 Read RDF files given on STDOUT, writes a graph of the RDFS schema in
104 DOT language to stdout
105 -f specifies parser to use, if not given,
106
107 """)
108
109
110 def main():
111 rdflib.extras.cmdlineutils.main(rdfs2dot, _help)
112
113
114 if __name__ == '__main__':
115 main()