Mercurial > repos > guerler > springsuite

annotate planemo/lib/python3.7/site-packages/rdflib/tools/rdfs2dot.py @ 1:56ad4e20f292 draft

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"planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
author guerler
date Fri, 31 Jul 2020 00:32:28 -0400
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1
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1 """
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2 A commandline tool for drawing RDFS Class diagrams in Graphviz DOT
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3 format
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4
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5 You can draw the graph of an RDFS file directly:
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6
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7 .. code-block: bash
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8
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9 rdf2dot my_rdfs_file.rdf | dot -Tpng | display
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10 """
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11
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12 import rdflib.extras.cmdlineutils
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13
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14 import sys
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15 import itertools
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16 import collections
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17
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18
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19 from rdflib import XSD, RDF, RDFS
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20
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21
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22 XSDTERMS = [XSD[x] for x in (
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23 "anyURI", "base64Binary", "boolean", "byte", "date", "dateTime", "decimal",
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24 "double", "duration", "float", "gDay", "gMonth", "gMonthDay", "gYear",
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25 "gYearMonth", "hexBinary", "ID", "IDREF", "IDREFS", "int", "integer",
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26 "language", "long", "Name", "NCName", "negativeInteger", "NMTOKEN",
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27 "NMTOKENS", "nonNegativeInteger", "nonPositiveInteger", "normalizedString",
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28 "positiveInteger", "QName", "short", "string", "time", "token",
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29 "unsignedByte", "unsignedInt", "unsignedLong", "unsignedShort")]
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30
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31 EDGECOLOR = "blue"
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32 NODECOLOR = "black"
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33 ISACOLOR = "black"
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34
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35
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36 def rdfs2dot(g, stream, opts={}):
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37 """
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38 Convert the RDFS schema in a graph
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39 writes the dot output to the stream
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40 """
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41
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42 fields = collections.defaultdict(set)
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43 nodes = {}
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44
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45 def node(x):
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46
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47 if x not in nodes:
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48 nodes[x] = "node%d" % len(nodes)
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49 return nodes[x]
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50
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51 def label(x, g):
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52
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53 l = g.value(x, RDFS.label)
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54 if l is None:
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55 try:
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56 l = g.namespace_manager.compute_qname(x)[2]
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57 except:
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58 pass # bnodes and some weird URIs cannot be split
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59 return l
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60
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61 stream.write("digraph { \n node [ fontname=\"DejaVu Sans\" ] ; \n")
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62
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63 for x in g.subjects(RDF.type, RDFS.Class):
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64 n = node(x)
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65
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66 for x, y in g.subject_objects(RDFS.subClassOf):
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67 x = node(x)
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68 y = node(y)
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69 stream.write("\t%s -> %s [ color=%s ] ;\n" % (y, x, ISACOLOR))
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70
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71 for x in g.subjects(RDF.type, RDF.Property):
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72 for a, b in itertools.product(
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73 g.objects(x, RDFS.domain), g.objects(x, RDFS.range)):
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74 if b in XSDTERMS or b == RDFS.Literal:
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75 l = label(b, g)
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76 if b == RDFS.Literal:
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77 l = "literal"
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78 fields[node(a)].add((label(x, g), l))
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79 else:
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80 # if a in nodes and b in nodes:
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81 stream.write(
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82 "\t%s -> %s [ color=%s, label=\"%s\" ];\n" % (
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83 node(a), node(b), EDGECOLOR, label(x, g)))
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84
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85 for u, n in list(nodes.items()):
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86 stream.write("# %s %s\n" % (u, n))
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87 f = ["<tr><td align='left'>%s</td><td>%s</td></tr>" %
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88 x for x in sorted(fields[n])]
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89 opstr = "%s [ shape=none, color=%s label=< <table color='#666666'" + \
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90 " cellborder=\"0\" cellspacing='0' border=\"1\"><tr>" + \
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91 "<td colspan=\"2\" bgcolor='grey'><B>%s</B></td>" + \
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92 "</tr>%s</table> > ] \n"
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93 stream.write(opstr % (n, NODECOLOR, label(u, g), "".join(f)))
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94
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95 stream.write("}\n")
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96
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97
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98 def _help():
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99 sys.stderr.write("""
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100 rdfs2dot.py [-f <format>] files...
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101 Read RDF files given on STDOUT, writes a graph of the RDFS schema in
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102 DOT language to stdout
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103 -f specifies parser to use, if not given,
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104
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105 """)
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106
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107
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108 def main():
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109 rdflib.extras.cmdlineutils.main(rdfs2dot, _help)
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110
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111 if __name__ == '__main__':
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112 main()