|
|
@@ -0,0 +1,89 @@
|
|
|
+#!/usr/bin/env python
|
|
|
+# encoding: utf-8
|
|
|
+"""
|
|
|
+This script takes one or more animated GIF files as input and calculates their
|
|
|
+total durations, returning zero for non-animated GIF files.
|
|
|
+
|
|
|
+Requires Pillow, formerly known as the Python Imaging Library (PIL).
|
|
|
+
|
|
|
+Code by Markus Amalthea Magnuson <markus@polyscopic.works>
|
|
|
+"""
|
|
|
+
|
|
|
+from __future__ import print_function
|
|
|
+
|
|
|
+import getopt
|
|
|
+import os.path
|
|
|
+import sys
|
|
|
+
|
|
|
+from PIL import Image, ImageSequence
|
|
|
+
|
|
|
+help_message = """
|
|
|
+Supply one or more animated GIF files as input to get their total durations.
|
|
|
+"""
|
|
|
+
|
|
|
+
|
|
|
+class Usage(Exception):
|
|
|
+ def __init__(self, msg):
|
|
|
+ self.msg = msg
|
|
|
+
|
|
|
+
|
|
|
+def main(argv=None):
|
|
|
+ if argv is None:
|
|
|
+ argv = sys.argv
|
|
|
+ try:
|
|
|
+ try:
|
|
|
+ opts, args = getopt.getopt(argv[1:], "h:v", ["help", "verbose"])
|
|
|
+ except getopt.error as err:
|
|
|
+ raise Usage(err.msg)
|
|
|
+
|
|
|
+ # Option processing.
|
|
|
+ verbose = False
|
|
|
+ for option, value in opts:
|
|
|
+ if option in ("-v", "--verbose"):
|
|
|
+ verbose = True
|
|
|
+ if option in ("-h", "--help"):
|
|
|
+ raise Usage(help_message)
|
|
|
+
|
|
|
+ except Usage as err:
|
|
|
+ print(sys.argv[0].split("/")[-1] + ": " + str(err.msg), file=sys.stderr)
|
|
|
+ print("\t for help use --help", file=sys.stderr)
|
|
|
+ return 2
|
|
|
+
|
|
|
+ # Start processing the images.
|
|
|
+ for path in args:
|
|
|
+ try:
|
|
|
+ im = Image.open(path)
|
|
|
+ except IOError as err:
|
|
|
+ print("%s:" % os.path.basename(path), file=sys.stderr)
|
|
|
+ print(err, file=sys.stderr)
|
|
|
+ print("---", file=sys.stderr)
|
|
|
+ continue
|
|
|
+
|
|
|
+ durations = []
|
|
|
+ for frame in ImageSequence.Iterator(im):
|
|
|
+ try:
|
|
|
+ durations.append(frame.info["duration"])
|
|
|
+ except KeyError:
|
|
|
+ # Ignore if there was no duration, we will not count that frame.
|
|
|
+ pass
|
|
|
+
|
|
|
+ if not durations:
|
|
|
+ print("Not an animated GIF image")
|
|
|
+ else:
|
|
|
+ if verbose:
|
|
|
+ for index, duration in enumerate(durations):
|
|
|
+ print(
|
|
|
+ "Frame %d: %d ms (%0.2f seconds)"
|
|
|
+ % (index + 1, duration, duration / 1000.0)
|
|
|
+ )
|
|
|
+ total_duration = sum(durations)
|
|
|
+ print(
|
|
|
+ "Total duration: %d ms (%0.2f seconds)"
|
|
|
+ % (total_duration, total_duration / 1000.0)
|
|
|
+ )
|
|
|
+
|
|
|
+ print("---")
|
|
|
+
|
|
|
+
|
|
|
+if __name__ == "__main__":
|
|
|
+ sys.exit(main())
|
