Mercurial > repos > guerler > springsuite

annotate planemo/lib/python3.7/site-packages/rdflib/tools/rdf2dot.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 RDF graphs in Graphviz DOT format
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3
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4 You can draw the graph of an RDF file directly:
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5
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6 .. code-block: bash
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7
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8 rdf2dot my_rdf_file.rdf | dot -Tpng | display
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9
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10 """
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11
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12 import rdflib
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13 import rdflib.extras.cmdlineutils
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14
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15 import sys
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16 import cgi
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17 import collections
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18
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19 from rdflib import XSD
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20
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21 LABEL_PROPERTIES = [rdflib.RDFS.label,
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22 rdflib.URIRef("http://purl.org/dc/elements/1.1/title"),
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23 rdflib.URIRef("http://xmlns.com/foaf/0.1/name"),
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24 rdflib.URIRef("http://www.w3.org/2006/vcard/ns#fn"),
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25 rdflib.URIRef("http://www.w3.org/2006/vcard/ns#org")
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26 ]
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27
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28 XSDTERMS = [
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29 XSD[x] for x in (
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30 "anyURI", "base64Binary", "boolean", "byte", "date",
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31 "dateTime", "decimal", "double", "duration", "float", "gDay", "gMonth",
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32 "gMonthDay", "gYear", "gYearMonth", "hexBinary", "ID", "IDREF",
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33 "IDREFS", "int", "integer", "language", "long", "Name", "NCName",
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34 "negativeInteger", "NMTOKEN", "NMTOKENS", "nonNegativeInteger",
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35 "nonPositiveInteger", "normalizedString", "positiveInteger", "QName",
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36 "short", "string", "time", "token", "unsignedByte", "unsignedInt",
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37 "unsignedLong", "unsignedShort")]
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38
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39 EDGECOLOR = "blue"
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40 NODECOLOR = "black"
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41 ISACOLOR = "black"
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42
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43
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44 def rdf2dot(g, stream, opts={}):
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45 """
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46 Convert the RDF graph to DOT
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47 writes the dot output to the stream
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48 """
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49
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50 fields = collections.defaultdict(set)
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51 nodes = {}
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52
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53 def node(x):
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54
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55 if x not in nodes:
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56 nodes[x] = "node%d" % len(nodes)
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57 return nodes[x]
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58
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59 def label(x, g):
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60
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61 for labelProp in LABEL_PROPERTIES:
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62 l = g.value(x, labelProp)
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63 if l:
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64 return l
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65
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66 try:
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67 return g.namespace_manager.compute_qname(x)[2]
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68 except:
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69 return x
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70
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71 def formatliteral(l, g):
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72 v = cgi.escape(l)
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73 if l.datatype:
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74 return '"%s"^^%s' % (v, qname(l.datatype, g))
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75 elif l.language:
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76 return '"%s"@%s' % (v, l.language)
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77 return '"%s"' % v
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78
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79 def qname(x, g):
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80 try:
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81 q = g.compute_qname(x)
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82 return q[0] + ":" + q[2]
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83 except:
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84 return x
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85
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86 def color(p):
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87 return "BLACK"
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88
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89 stream.write("digraph { \n node [ fontname=\"DejaVu Sans\" ] ; \n")
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90
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91 for s, p, o in g:
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92 sn = node(s)
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93 if p == rdflib.RDFS.label:
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94 continue
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95 if isinstance(o, (rdflib.URIRef, rdflib.BNode)):
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96 on = node(o)
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97 opstr = "\t%s -> %s [ color=%s, label=< <font point-size='10' " + \
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98 "color='#336633'>%s</font> > ] ;\n"
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99 stream.write(opstr % (sn, on, color(p), qname(p, g)))
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100 else:
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101 fields[sn].add((qname(p, g), formatliteral(o, g)))
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102
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103 for u, n in list(nodes.items()):
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104 stream.write("# %s %s\n" % (u, n))
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105 f = ["<tr><td align='left'>%s</td><td align='left'>%s</td></tr>" %
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106 x for x in sorted(fields[n])]
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107 opstr = "%s [ shape=none, color=%s label=< <table color='#666666'" + \
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108 " cellborder='0' cellspacing='0' border='1'><tr>" + \
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109 "<td colspan='2' bgcolor='grey'><B>%s</B></td></tr><tr>" + \
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110 "<td href='%s' bgcolor='#eeeeee' colspan='2'>" + \
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111 "<font point-size='10' color='#6666ff'>%s</font></td>" + \
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112 "</tr>%s</table> > ] \n"
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113 stream.write(opstr % (n, NODECOLOR, label(u, g), u, u, "".join(f)))
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114
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115 stream.write("}\n")
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116
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117
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118 def _help():
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119 sys.stderr.write("""
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120 rdf2dot.py [-f <format>] files...
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121 Read RDF files given on STDOUT, writes a graph of the RDFS schema in DOT
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122 language to stdout
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123 -f specifies parser to use, if not given,
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124
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125 """)
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126
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127
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128 def main():
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129 rdflib.extras.cmdlineutils.main(rdf2dot, _help)
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130
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131 if __name__ == '__main__':
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132 main()