1 files changed, 92 insertions, 0 deletions
diff --git a/scripts/osim-extract.py b/scripts/osim-extract.py
new file mode 100755
index 0000000..e9686ec
--- /dev/null
+++ b/scripts/osim-extract.py
@@ -0,0 +1,92 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+#
+# osim-extract.py -- Extract information from .osim file
+#
+# Copyright (C) 2013 Tobias Klauser <tklauser@distanz.ch>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+
+import os
+import sys
+import getopt
+import xml.etree.ElementTree as ET
+
+def usage():
+    print("""usage: {} [OPTION...] FILE
+
+options:
+    -b  print only body names
+    -j  print only joint names
+    -m  print only muscle names
+    -v  verbose mode
+    -h  show this help and exit""".format(os.path.basname(sys.argv[0])))
+
+
+def main():
+    try:
+        opts, args = getopt.getopt(sys.argv[1:], "bjmvh")
+    except getopt.GetoptError as err:
+        print(str(err))
+        usage()
+        sys.exit(-1)
+
+    do_print = { 'b': False, 'j': False, 'm': False }
+    verbose = False
+    for o, a in opts:
+        if o == '-b':
+            do_print['b'] = True;
+        elif o == '-j':
+            do_print['j'] = True;
+        elif o == '-m':
+            do_print['m'] = True;
+        elif o == '-v':
+            verbose = True
+        elif o == '-h':
+            usage()
+            sys.exit(0)
+        else:
+            assert False, "unhandled option"
+
+    if len(args) < 1:
+        print("Error: no .osim model file specified")
+        usage()
+        sys.exit(-1)
+
+    if not True in do_print.values():
+        for k in do_print.iterkeys():
+            do_print[k] = True
+
+    try:
+        tree = ET.parse(args[0])
+    except:
+        print("Error: failed to parse .osim model file")
+        sys.exit(-1)
+
+    root = tree.getroot()
+    if verbose:
+        print("Found root with version {}".format(root.attrib['Version']))
+    model = tree.find('Model')
+    if verbose:
+        print("Found model '{}'".format(model.attrib['name']))
+
+    if do_print['b']:
+        bodies = [ body.attrib['name'] for body in root.findall('Model/BodySet/objects/Body') ]
+        if verbose:
+            print("bodies:")
+        print(','.join(bodies))
+    if do_print['j']:
+        joints = [ joint.attrib['name'] for joint in root.findall('Model/BodySet/objects/Body/Joint/*') ]
+        if verbose:
+            print("joints:")
+        print(','.join(joints))
+    if do_print['m']:
+        muscles = [ force.attrib['name'] for force in root.findall('Model/ForceSet/objects/Thelen2003Muscle') ]
+        if verbose:
+            print("muscles:")
+        print(','.join(muscles))
+
+if __name__ == '__main__':
+    main()