Added the possibility to export all canvases in rubber compatible format

src/omnigraffle_export/rubber.py

@@ -7,12 +7,8 @@
 
 arg_re_ = re.compile('(.*):(.*)\.(.*)')
 
-def main():
-    if len(sys.argv) != 2:
-        print >> sys.stderr, 'Usage: %s: <path_to_omnigraffle_source>:<canvas_name>.<format>' % sys.argv[0]
-        sys.exit(1)
-
-    input = arg_re_.match(sys.argv[1])
+def export_one(input):
+    input = arg_re_.match(input)
 
     if len(input.groups()) != 3:
         print >> sys.stderr, 'Invalid input: %s' % sys.argv[1]
@@ -26,7 +22,32 @@ def main():
 
     schema = omnigraffle_export.OmniGraffleSchema(source)
     schema.export(canvas, target, format)
+
     sys.exit(0)
 
+def export_all(source, targetdir, format):
+    base_source = os.path.basename(source)
+    nameprefix = base_source[:base_source.rindex('.graffle')]
+
+    schema = omnigraffle_export.OmniGraffleSchema(source)
+    schema.export_all(targetdir, format, True, lambda n: '%s:%s.pdf' % (nameprefix, n))
+
+    sys.exit(0)    
+
+def main():
+    if len(sys.argv) not in [2,4]:
+        name = os.path.basename(sys.argv[0])
+        print >> sys.stderr, 'Usage: %s <path_to_omnigraffle_source>:<canvas_name>.<format>' % name
+        print >> sys.stderr, '         exports one canvas\n'
+        print >> sys.stderr, '       %s <path_to_omnigraffle_source> <output_directory> <format>' % name
+        print >> sys.stderr, '         exports all canvases to output_directory'
+        sys.exit(1)
+
+    if len(sys.argv) == 2:
+        export_one(sys.argv[1])
+    elif len(sys.argv) == 4:
+        export_all(*sys.argv[1:])
+
+
 if __name__ == '__main__':
     main()