tinypng是工作中常用的免费图片压缩工作，但是一次只能压缩20张图，且需要手动上传下载，效率低！
本文通过python脚本教大家如何批量压缩图片
获取 API KEY
登入开发者官网到网站申请,只需要一个名字和一个邮箱就可以,API key会以链接的形式发到邮箱里
注: 一个账号一个月只能压缩500张图，但对于日常工作已经足够使用了
编写批量压缩脚本
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| # encoding=utf8
import os
import sys
from tinify import tinify
tinify.key = "********** 此处替换为您申请到的API key *************"
useage = """
tiny 图片|图片文件夹 目标文件夹
必要参数：
图片|图片文件夹
可选参数：
目标文件夹, 默认 `./tiny`
压缩图片默认存储在当前目录 `tiny` 文件夹下
"""
def formatSize(bytes):
bytes = float(bytes)
kb = bytes / 1024
if kb >= 1024:
M = kb / 1024
if M >= 1024:
G = M / 1024
return "%.2fG" % G
else:
return "%.2fM" % M
else:
return "%.2fkb" % kb
def tinifypng(source, target):
print
originSize = os.path.getsize(source)
print("picture: " + formatSize(originSize) + " " + source)
sourced = tinify.from_file(source)
sourced.to_file(target)
tinySize = os.path.getsize(target)
print("tiny to: " + formatSize(tinySize) + " " + target)
print("cut down rate:" + ("%0.2f" % ((originSize - tinySize) / float(originSize) * 100)) + "%")
print("=" * 48)
if __name__ == "__main__":
if len(sys.argv) >= 2:
path = sys.argv[1]
if os.path.exists(path):
sourcePath = os.path.abspath(path)
targetDir = sys.argv[2] if len(sys.argv) >= 3 else "./tiny"
if not os.path.exists(targetDir):
os.mkdir(targetDir)
targetPath = os.path.abspath(targetDir)
if os.path.isfile(sourcePath):
targetFile = targetPath + "/" + os.path.basename(sourcePath)
tinifypng(sourcePath, targetFile)
else:
files = os.listdir(sourcePath)
for file in files:
if file.endswith(".png") or file.endswith(".jpg"):
fileSource = sourcePath + "/" + file
fileTarget = targetPath + "/" + file
tinifypng(fileSource, fileTarget)
else:
print("资源不存在")
else:
print(useage)
|
生成可执行文件
Python 脚本可使用 pyinstaller 模块很方便的打包成可执行文件(使用方法参看pyinstaller官网)
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| pyinstaller -F [脚本文件名].py
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使用示例
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| ➜ res git:(master) tinypng drawable-xxhdpi
picture: 2.72kb /Users/liuleigang/workspace/android/ssos-android/app/src/main/res/drawable-xxhdpi/logo_push.png
tiny to: 1.64kb /Users/liuleigang/workspace/android/ssos-android/app/src/main/res/tiny/logo_push.png
cut down rate:39.51%
================================================
picture: 10.02kb /Users/liuleigang/workspace/android/ssos-android/app/src/main/res/drawable-xxhdpi/logo_round.png
tiny to: 3.64kb /Users/liuleigang/workspace/android/ssos-android/app/src/main/res/tiny/logo_round.png
cut down rate:63.69%
================================================
picture: 9.10kb /Users/liuleigang/workspace/android/ssos-android/app/src/main/res/drawable-xxhdpi/icon_member_sweet_magic_level.png
tiny to: 3.76kb /Users/liuleigang/workspace/android/ssos-android/app/src/main/res/tiny/icon_member_sweet_magic_level.png
cut down rate:58.69%
================================================
picture: 3.58kb /Users/liuleigang/workspace/android/ssos-android/app/src/main/res/drawable-xxhdpi/icon_pay_default.png
tiny to: 1.45kb /Users/liuleigang/workspace/android/ssos-android/app/src/main/res/tiny/icon_pay_default.png
cut down rate:59.49%
================================================
picture: 11.09kb /Users/liuleigang/workspace/android/ssos-android/app/src/main/res/drawable-xxhdpi/icon_login_weibo.png
tiny to: 2.24kb /Users/liuleigang/workspace/android/ssos-android/app/src/main/res/tiny/icon_login_weibo.png
cut down rate:79.80%
================================================
picture: 2.24kb /Users/liuleigang/workspace/android/ssos-android/app/src/main/res/drawable-xxhdpi/icon_tab_message_unselect.png
tiny to: 0.79kb /Users/liuleigang/workspace/android/ssos-android/app/src/main/res/tiny/icon_tab_message_unselect.png
cut down rate:64.75%
================================================
......
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