Create tinypng
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FROM python:3.7-alpine
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LABEL org.opencontainers.image.authors="stille@ioiox.com"
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WORKDIR /
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ADD . /
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RUN pip install --no-cache-dir tinify
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ENTRYPOINT ["/bin/sh", "-c", "/tinypng.sh"]
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# tinypng
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GitHub [stilleshan/dockerfiles](https://github.com/stilleshan/dockerfiles)
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Docker [stilleshan/tinypng](https://hub.docker.com/r/stilleshan/tinypng)
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> *docker image support for X86 and ARM*
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## 简介
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使用 TinyPNG 免费压缩图片 docker 小程序，方便本地批量压缩，支持多个 **API key** 配置。
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> [TinyPNG](https://tinypng.com) 是一个非常强大，高画质，高压缩比的在线压缩图片的网站，并提供免费的 API key 用于本地批量压缩。
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## 使用
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### 获取 API key
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访问 [TinyPNG Developer API](https://tinypng.com/developers) 获取免费 API key，免费用户每个 key 每月可以压缩 500 张图片，可以创建多个免费账户来获取多个 key 配合本程序使用。
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### 准备目录及 key 文件
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1. 在需要压缩照片的目录中创建`api_key.txt`并将`key`粘贴进去，多个`key`时，每行一个`key`。
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2. 确保该目录下没有`Output`文件夹，`Output`文件夹是由本 docker 压缩图片下载后生成。
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3. 图片支持 jpg / jpeg / png 格式,并支持多层子目录。
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### docker
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```shell
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docker run --rm -v /your/pic/path:/pic stilleshan/tinypng
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# 修改 /your/pic/path 为需要压缩的图片目录
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```
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## 参考
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- Python 来源于 [haoma2012/PythonProject](https://github.com/haoma2012/PythonProject)
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# -*- coding:utf-8 -*-
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# !/usr/bin/env python3
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# 使用tinypng API压缩项目图片
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import tinify
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import os
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import time
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import shutil
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# tinify.key ="Your Developer API Key" # AppKey
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# 设置代理
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# tinify.proxy = ""
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os.mkdir("/Output")
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# 压缩图片的key
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online_key_list = [
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"NtkTWRRNjqfF8qllPlrt6hMMHb3Wbb24", # 可以继续添加 防止一个key不够
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]
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# 获取key
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online_key_list_iter = iter(online_key_list)
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online_key = next(online_key_list_iter)
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# 需要压缩图片的路径
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fromPath = "/pic" # source dir path
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# 压缩后下载的图片路径
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toPath = "/Output" # dest dir path
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tinifyAPi = tinify.tinify
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# 在线压缩
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def compress_online(sourcefile, outputfile):
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global online_key
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compresskey = online_key
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tinify.key = compresskey
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rs = False
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try:
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source = tinifyAPi.from_file(sourcefile)
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source.to_file(outputfile)
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print('压缩图片...' + outputfile)
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rs = True
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pass
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except tinify.AccountError:
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# Verify your API key and account limit.
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# 如果key值无效 换一个key继续压缩
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print("key值无效 换一个继续。。。")
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online_key = next(online_key_list_iter)
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compress_online(sourcefile, outputfile, name) # 递归方法 继续读取
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rs = True
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except tinify.ClientError:
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# Check your source image and request options.
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print("Check your source image and request options.")
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rs = False
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pass
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except tinify.ServerError:
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# Temporary issue with the Tinify API.
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# print("Temporary issue with the Tinify API. %s" % e.message)
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print("Temporary issue with the Tinify API.")
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rs = False
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pass
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except tinify.ConnectionError:
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# A network connection error occurred.
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print("网络故障。。。休息1秒继续")
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time.sleep(1)
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compress_online(sourcefile, outputfile, name) # 递归方法 继续读取
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rs = True
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pass
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except Exception:
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# Something else went wrong, unrelated to the Tinify API.
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print("Something else went wrong, unrelated to the Tinify API.")
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rs = False
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pass
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return rs
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# root, dirs, files参数的含义：目录的路径(String)；root目录下所有子目录的名字(List)；root目录下非目录的名字
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# os.walk(top,topdown=True,onerror=None)函数中各参数的含义：需要遍历的顶级目录的路径；默认值是“True”表示首先返回顶级目录下的文件，然后再遍历子目录中的文件；默认值为"None"，表示忽略文件遍历时的错误
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for root, dirs, files in os.walk(fromPath):
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newToPath = toPath
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if len(root) > len(fromPath): # 比较root和fromPath的字符长度
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innerPath = root[len(fromPath):] # 字符串切割，将root字符串从第len(fromPath)个位置开始截取，不包括len(fromPath)这个位置的字符
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if innerPath[0] == '/': # 判断innerPath的第一个字符是不是/符号
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innerPath = innerPath[1:] # 字符串切割，例如innerPath的值为\test，那么innerPath[1:]之后的值为test
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newToPath = os.path.join(toPath, innerPath) # 将toPath目录和innerPath文件或文件夹拼接之后的路径赋值给newToPath
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for name in files:
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newFromFilePath = os.path.join(root, name)
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newToFilePath = os.path.join(newToPath, name)
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fileName, fileSuffix = os.path.splitext(name) # 分解文件名的扩展名
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if fileSuffix == '.png' or fileSuffix == '.jpg' or fileSuffix == '.jpeg' or fileSuffix == '.PNG' or fileSuffix == '.JPG' or fileSuffix == '.JPEG':
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# source = tinify.from_file(newFromFilePath)
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# source.to_file(newToFilePath)
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# 在线压缩
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if not compress_online(newFromFilePath, newToFilePath):
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print("压缩失败，检查报错信息")
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exit()
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pass
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else:
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pass
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for dirName in dirs:
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if os.path.exists(os.path.join(newToPath, dirName)):
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pass
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else:
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os.mkdir(os.path.join(newToPath, dirName))
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shutil.move("/Output","/pic")
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#!/bin/sh
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# fonts color
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Green="\033[32m"
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Red="\033[31m"
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Yellow="\033[33m"
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GreenBG="\033[42;37m"
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RedBG="\033[41;37m"
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Font="\033[0m"
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# fonts color
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if [ ! -d /pic ]; then
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echo -e "${Red}未挂载目录,请重新执行.${Font}"
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exit 0
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fi
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if [ -d /pic/Output ]; then
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echo -e "${Red}Output 目录已存在,当前已暂停执行.${Font}"
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echo -e "${Red}请将 Output 目录移除或备份至其他目录.${Font}"
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echo -e "${Red}否则将会导致重复压缩已输出图片,浪费 API 次数.${Font}"
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exit 0
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fi
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if [ -f /pic/api_key.txt ]; then
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sed -i '17d' /tinypng.py
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LINE=17
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for APIKEY in $(cat /pic/api_key.txt)
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do
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sed -i "${LINE}i\ \"${APIKEY}\"," /tinypng.py
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LINE=$(($LINE+1))
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done
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fi
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python /tinypng.py
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if [ ! -f /pic/api_key.txt ]; then
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echo -e "${Red}未检测到 api_key.txt${Font}"
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echo -e "${Red}已使用内置公开的 key 压缩图片,由于额度有限,图片压缩有可能失败.${Font}"
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echo -e "${Green}建议自行免费申请 API key 配置使用更加稳定.${Font}"
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fi
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