sakura/manifest/manifest.py

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# coding=utf-8
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'''
Created on Apr 23, 2018
Desc: Webp convertor
@author: Mashiro https://2heng.xin
'''
import os
import sys
import json
import hashlib
from PIL import Image
class Single(object):
def __init__(self, file, manifest):
self.file = file
self.mani = manifest
def hash(self):
hasher = hashlib.md5()
with open('gallary/' + self.file, 'rb') as afile:
buf = afile.read()
hasher.update(buf)
self.hash = hasher.hexdigest()
self.jpeg = 'jpeg/' + self.hash + '.jpeg'
self.webp = 'webp/' + self.hash + '.webp'
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self.jpeg_th = 'jpeg/' + self.hash + '.th.jpeg'
self.webp_th = 'webp/' + self.hash + '.th.webp'
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def optimize(self):
im = Image.open('gallary/' + self.file).convert('RGB')
im.save(self.jpeg, 'JPEG') # todo: TinyPNG API
im.save(self.webp, 'WEBP')
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im.thumbnail((450, 300))
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im.save(self.jpeg_th, 'JPEG') # todo: TinyPNG API
im.save(self.webp_th, 'WEBP')
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def manifest(self):
self.mani[self.hash] = {
'source': self.file,
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'jpeg': [self.jpeg, self.jpeg_th],
'webp': [self.webp, self.webp_th]
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}
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def main(self):
self.hash()
# if os.path.exists(self.jpeg) and os.path.exists(self.webp):
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self.optimize()
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self.manifest()
return self.mani
def gen_manifest_json():
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onlyfiles = [f for f in os.listdir('gallary') if os.path.isfile(os.path.join('gallary', f))]
id = 1
Manifest = {}
for f in onlyfiles:
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try:
worker = Single(f, Manifest)
Manifest = worker.main()
print(str(id) + '/' + str(len(onlyfiles)))
id += 1
except OSError:
print("Falied to optimize the picture: " + f)
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with open('manifest.json', 'w+') as json_file:
json.dump(Manifest, json_file)
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def main():
gen_manifest_json()
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if __name__ == '__main__':
main()
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key = input('`manifest.json` saved. Press any key to quit.')
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quit()