1 files changed, 58 insertions, 0 deletions
diff --git a/tools/dev/merge-graph.py b/tools/dev/merge-graph.py
new file mode 100755
index 0000000..7f7ced2
--- /dev/null
+++ b/tools/dev/merge-graph.py
@@ -0,0 +1,58 @@
+#!/usr/bin/env python
+
+# ====================================================================
+#    Licensed to the Apache Software Foundation (ASF) under one
+#    or more contributor license agreements.  See the NOTICE file
+#    distributed with this work for additional information
+#    regarding copyright ownership.  The ASF licenses this file
+#    to you under the Apache License, Version 2.0 (the
+#    "License"); you may not use this file except in compliance
+#    with the License.  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing,
+#    software distributed under the License is distributed on an
+#    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+#    KIND, either express or implied.  See the License for the
+#    specific language governing permissions and limitations
+#    under the License.
+# ====================================================================
+
+args_message = '[-f png|svg|gif|dia... [-f ...]] GRAPH_CONFIG_FILE...'
+help_message = """Produce pretty graphs representing branches and merging.
+For each config file specified, construct a graph and write it as a PNG file
+(or other graphical file formats)."""
+
+import sys
+import getopt
+from mergegraph import MergeDot
+
+
+# If run as a program, process each input filename as a graph config file.
+if __name__ == '__main__':
+  optlist, args = getopt.getopt(sys.argv[1:], 'f:', ['format'])
+
+  prog_name = sys.argv[0]
+  if not args:
+    usage = '%s: usage: "%s %s"' % (prog_name, prog_name, args_message)
+    print >> sys.stderr, usage
+    sys.exit(1)
+
+  formats = []
+
+  for opt, opt_arg in optlist:
+    if opt == '-f':
+      formats.append(opt_arg)
+
+  if not formats:
+    formats.append('png')
+
+  for config_filename in args:
+    print "%s: reading '%s'," % (prog_name, config_filename),
+    graph = MergeDot(config_filename, rankdir='LR', dpi='72')
+    for format in formats:
+      filename = '%s.%s' % (graph.basename, format)
+      print "writing '%s'" % filename,
+      graph.save(format=format, filename=filename)
+    print