New question #253589 on Sikuli:
https://answers.launchpad.net/sikuli/+question/253589
Raiman,
So I'm working on this tracking tool that shows on a map (like a googlemaps
satellite view) where there was movement. It does this by showing these little
red stars where the movement was detected. The little stars are about 40-50
pixels large. What I wanted to do is keep a log of the position the stars
come up on the screen. So I coded up a section below and it runs the code, but
I never detect these stars showing up although I can clearly see them when I
run the program. I've read through several other posts on using the onChange
function and thought I had it correct, but I must be doing something wrong.
Can you please take a look? I've only included what is applicable here. This
is obviously within a class and there's other classes involved. The
self.resfile is just a file_io class that has functions for reading and writing
to a result text file. I know for sure it's entering my watch_for_tracks
method and it's clicking on the start_tracking_icon, and then waiting the
full 45 seconds for something to appear, but my "changed" method never gets
called. I know that because nothing gets written to my file. But I did write
a line before I called watch_for_tracks and that works so I know my file_io
works (I use it for several other working programs too).
Or is there a better way altogether to do this?
def changed(event):
self.resfile.write_string("Change observed\n")
for ch in event.changes:
center_loc = ch.getCenter()
self.resfile.write_string("Observed track at " + str(center_loc.x) +
", " + str(center_loc.y) + "\n")
def watch_for_tracks(self, tracking_icon):
start_tracking_icon = self.toolbar_reg.exists(tracking_icon)
if (start_tracking_icon):
click(start_tracking_icon)
self.watch_region.highlight(1)
self.watch_region.onChange(25, self.changed)
self.watch_region.observe(background=True)
wait(45)
self.watch_region.stopObserver()
click(start_tracking_icon)
else:
self.resfile.write_string("Was not able to see the enable tracking
icon \n")
self.breakscript(None)
def breakscript(self, event):
exit(1)
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