--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/planemo/lib/python3.7/site-packages/rdflib/tools/rdfs2dot.py	Fri Jul 31 00:32:28 2020 -0400
@@ -0,0 +1,112 @@
+"""
+A commandline tool for drawing RDFS Class diagrams in Graphviz DOT
+format
+
+You can draw the graph of an RDFS file directly:
+
+.. code-block: bash
+
+   rdf2dot my_rdfs_file.rdf | dot -Tpng | display
+"""
+
+import rdflib.extras.cmdlineutils
+
+import sys
+import itertools
+import collections
+
+
+from rdflib import XSD, RDF, RDFS
+
+
+XSDTERMS = [XSD[x] for x in (
+    "anyURI", "base64Binary", "boolean", "byte", "date", "dateTime", "decimal",
+    "double", "duration", "float", "gDay", "gMonth", "gMonthDay", "gYear",
+    "gYearMonth", "hexBinary", "ID", "IDREF", "IDREFS", "int", "integer",
+    "language", "long", "Name", "NCName", "negativeInteger", "NMTOKEN",
+    "NMTOKENS", "nonNegativeInteger", "nonPositiveInteger", "normalizedString",
+    "positiveInteger", "QName", "short", "string", "time", "token",
+    "unsignedByte", "unsignedInt", "unsignedLong", "unsignedShort")]
+
+EDGECOLOR = "blue"
+NODECOLOR = "black"
+ISACOLOR = "black"
+
+
+def rdfs2dot(g, stream, opts={}):
+    """
+    Convert the RDFS schema in a graph
+    writes the dot output to the stream
+    """
+
+    fields = collections.defaultdict(set)
+    nodes = {}
+
+    def node(x):
+
+        if x not in nodes:
+            nodes[x] = "node%d" % len(nodes)
+        return nodes[x]
+
+    def label(x, g):
+
+        l = g.value(x, RDFS.label)
+        if l is None:
+            try:
+                l = g.namespace_manager.compute_qname(x)[2]
+            except:
+                pass  # bnodes and some weird URIs cannot be split
+        return l
+
+    stream.write("digraph { \n node [ fontname=\"DejaVu Sans\" ] ; \n")
+
+    for x in g.subjects(RDF.type, RDFS.Class):
+        n = node(x)
+
+    for x, y in g.subject_objects(RDFS.subClassOf):
+        x = node(x)
+        y = node(y)
+        stream.write("\t%s -> %s [ color=%s ] ;\n" % (y, x, ISACOLOR))
+
+    for x in g.subjects(RDF.type, RDF.Property):
+        for a, b in itertools.product(
+                g.objects(x, RDFS.domain), g.objects(x, RDFS.range)):
+            if b in XSDTERMS or b == RDFS.Literal:
+                l = label(b, g)
+                if b == RDFS.Literal:
+                    l = "literal"
+                fields[node(a)].add((label(x, g), l))
+            else:
+    #            if a in nodes and b in nodes:
+                stream.write(
+                    "\t%s -> %s [ color=%s, label=\"%s\" ];\n" % (
+                        node(a), node(b), EDGECOLOR, label(x, g)))
+
+    for u, n in list(nodes.items()):
+        stream.write("# %s %s\n" % (u, n))
+        f = ["<tr><td align='left'>%s</td><td>%s</td></tr>" %
+             x for x in sorted(fields[n])]
+        opstr = "%s [ shape=none, color=%s label=< <table color='#666666'" + \
+                " cellborder=\"0\" cellspacing='0' border=\"1\"><tr>" + \
+                "<td colspan=\"2\" bgcolor='grey'><B>%s</B></td>" + \
+                "</tr>%s</table> > ] \n"
+        stream.write(opstr % (n, NODECOLOR, label(u, g), "".join(f)))
+
+    stream.write("}\n")
+
+
+def _help():
+    sys.stderr.write("""
+rdfs2dot.py [-f <format>] files...
+Read RDF files given on STDOUT, writes a graph of the RDFS schema in
+DOT language to stdout
+-f specifies parser to use, if not given,
+
+""")
+
+
+def main():
+    rdflib.extras.cmdlineutils.main(rdfs2dot, _help)
+
+if __name__ == '__main__':
+    main()