centos安裝pngquant及python使用pngquant

安裝:

yum install libpng libpng-devel && cd / && git clone --recursive https://github.com/kornelski/pngquant.git && cd /pngquant && ./configure && make && make install && pngquant -v && pip install pngquant

使用:

import pngquant
#pngquant所在路徑
pngquant.config('/usr/local/bin/pngquant')
#需要壓縮的文件
pngquant.quant_image('~/demo.png')
#其它相關的api:quant_file程序文件,min_quality默認65,max_quality默認80,speed默認3,最高10(壓縮率也相應少了10%)
def config(self, quant_file=None, min_quality=None, max_quality=None, ndeep=None, ndigits=None, tmp_file=None, speed=None):
#壓縮image對象
def quant_data(self, data=None, dst=None, ndeep=None, ndigits=None, delete=True):
#壓縮image文件
def quant_image(self, image=None, dst=None, ndeep=None, ndigits=None, override=True, delete=True):
#壓縮某個目錄下的png
def quant_dir(self, dir=None, dst=None, ndeep=None, ndigits=None, override=True, delete=True, topdown=True):

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