Add graph references

references/igraph-1.0.1/tools/removeexamples.py

@@ -0,0 +1,37 @@
+#!/usr/bin/env python3
+"""Helper script used to remove the bundled examples from the DocBook files
+that are used to generate the PDF documentation.
+
+This file is part of the documentation build process. You do not need to call
+it manually.
+"""
+
+import sys
+from xml.etree.ElementTree import ElementTree
+
+
+def usage():
+    print(sys.argv[0], "<infile> <outfile>")
+
+
+def main():
+    if len(sys.argv) != 3:
+        usage()
+        sys.exit(2)
+
+    # Read in
+    tree = ElementTree()
+    tree.parse(sys.argv[1])
+
+    # Remove examples
+    examples = tree.findall(".//example")
+    for ex in examples:
+        prog = ex.find("programlisting")
+        ex.remove(prog)
+
+    # Write result
+    tree.write(sys.argv[2])
+
+
+if __name__ == "__main__":
+    main()