vips_bench.py

#!/usr/bin/python

import sys
import time
from PIL import Image, ImageFilter, PILLOW_VERSION

class Timer:
    def __init__(self, name):
        self.name = name

    def __enter__(self):
        self.start = time.clock()
        return self

    def __exit__(self, *args):
        self.end = time.clock()
        self.interval = self.end - self.start
        print('>>> %s: %.03f sec' % (self.name, self.interval))


with Timer('Load'):
    im = Image.open(sys.argv[1])
    im.load()

with Timer('Crop'):
    im = im.crop((100, 100, im.size[0] - 100, im.size[1] - 100))

with Timer('Resize'):
    im = im.resize((int (im.size[0] * 0.9), int (im.size[1] * 0.9)),
                  Image.BILINEAR)

with Timer('Filter'):
    filter = ImageFilter.Kernel((3, 3),
            (-1, -1, -1,
             -1, 16, -1,
             -1, -1, -1))
    im = im.filter(filter)

with Timer('Save'):
    im.save(sys.argv[2])