guetzli-recursively/guetzli-recursively.py

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2017-03-18 17:34:12 +01:00
#!/usr/bin/env python
# -*- coding: utf-8 -*-
from os import path, walk, remove, rename
from subprocess import call
from sys import argv
top_dir = argv[1]
TEMP_FILE = 'temp.jpg'
extensions = ('jpeg', 'jpg')
for dirpath, dirnames, files in walk(top_dir):
for name in files:
for extension in extensions:
if name.lower().endswith(extension):
# Get urls
url = path.join(dirpath, name)
print(url)
url_out = path.join(top_dir, TEMP_FILE)
# Remove temp image
try:
remove(url_out)
except:
pass
# Execute guetzli
call(['guetzli', url, url_out])
# Print your have saved
size_source = path.getsize(url)
try:
size_out = path.getsize(url_out)
except:
size_out = size_source
size_acurate = 100 * size_out / size_source
# Remove source
try:
remove(url)
except:
pass
if size_acurate < 100:
# Move temp to source
rename(url_out, url)
print('Save ' + str(100 - size_acurate) + '%')
else:
print('It is not necessary to optimize')