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Handle empty input folders

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Michael Mandl 2018-11-10 18:33:27 +01:00
parent 6deefc7ea8
commit d5f6b4bfd7
1 changed files with 11 additions and 8 deletions
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3
slider.py
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@ -26,6 +26,7 @@ def random():
@app.route("/random_image/") @app.route("/random_image/")
def random_image(): def random_image():
try:
last_modified_time, last_modified_file = max( last_modified_time, last_modified_file = max(
(f.stat().st_mtime, f) for f in imgdir.glob(img_glob) (f.stat().st_mtime, f) for f in imgdir.glob(img_glob)
) )
@ -35,6 +36,8 @@ def random_image():
else: else:
images = list(imgdir.glob(img_glob)) images = list(imgdir.glob(img_glob))
selected_image = choice(images).relative_to(imgdir) selected_image = choice(images).relative_to(imgdir)
except ValueError:
return redirect(url_for("static", filename="clear.gif"))
return redirect( return redirect(
url_for("image", filename=selected_image) url_for("image", filename=selected_image)