add option to disable progress bar animation on Windows 7

gooey/_tmp/example_progress_bar_2.py

@@ -9,7 +9,8 @@ from gooey import Gooey, GooeyParser
 
 
 @Gooey(progress_regex=r"^progress: (\d+)/(\d+)$",
-       progress_expr="x[0] / x[1] * 100")
+       progress_expr="x[0] / x[1] * 100",
+       progress_animation=False)
 def main():
     parser = GooeyParser(prog="example_progress_bar_2")
     parser.add_argument("steps", type=int, default=15)

gooey/_tmp/example_progress_bar_4.py

@@ -0,0 +1,39 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+from __future__ import unicode_literals
+from __future__ import print_function
+import sys
+from time import sleep
+from gooey import Gooey, GooeyParser
+
+
+@Gooey(progress_regex=r"^progress: (-?\d+)%$",
+       progress_animation=False)
+def main():
+    parser = GooeyParser(prog="example_progress_bar_1")
+    _ = parser.parse_args(sys.argv[1:])
+
+    print("Step 1")
+
+    for i in range(1, 101):
+        print("progress: {}%".format(i))
+        sys.stdout.flush()
+        sleep(0.05)
+
+    print("Step 2")
+
+    print("progress: -1%")  # pulse
+    sys.stdout.flush()
+    sleep(3)
+
+    print("Step 3")
+
+    for i in range(1, 101):
+        print("progress: {}%".format(i))
+        sys.stdout.flush()
+        sleep(0.05)
+
+
+if __name__ == "__main__":
+    sys.exit(main())

gooey/gui/windows/base_window.py

@@ -3,6 +3,8 @@ Created on Jan 19, 2014
 @author: Chris
 '''
 
+import sys
+
 import wx
 from gooey.gui.pubsub import pub
 
@@ -158,7 +160,17 @@ class BaseWindow(wx.Frame):
     if value < 0:
       pb.Pulse()
     else:
-      pb.SetValue(min(value, pb.GetRange()))
+      value = min(int(value), pb.GetRange())
+      if pb.GetValue() != value:
+        # Windows 7 progress bar animation hack
+        if not self.build_spec["progress_animation"] \
+           and sys.platform.startswith("win"):
+          if pb.GetRange() == value:
+            pb.SetValue(value)
+            pb.SetValue(value-1)
+          else:
+            pb.SetValue(value+1)
+        pb.SetValue(value)
 
 
 if __name__ == '__main__':

gooey/python_bindings/config_generator.py

@@ -28,6 +28,7 @@ def create_from_parser(parser, source_path, **kwargs):
     'monospace_display':    kwargs.get('monospace_display', False),
     'progress_regex':       kwargs.get('progress_regex'),
     'progress_expr':        kwargs.get('progress_expr'),
+    'progress_animation':   kwargs.get('progress_animation'),
   }
 
   if show_config:

gooey/python_bindings/gooey_decorator.py

@@ -35,7 +35,8 @@ def Gooey(f=None,
           load_build_config=None,
           monospace_display=False,
           progress_regex=None,
-          progress_expr=None):
+          progress_expr=None,
+          progress_animation=True):
   '''
   Decorator for client code's main function.
   Serializes argparse data to JSON for use with the Gooey front end