From e28b6eb626ae59449639da20a5a517f51ff2c4c0 Mon Sep 17 00:00:00 2001 From: leo <907600065@qq.com> Date: Wed, 19 Dec 2018 15:42:38 +0800 Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E4=B8=80=E4=B8=AA=E4=BD=BF?= =?UTF-8?q?=E7=94=A8python=E7=8E=AF=E5=A2=83=E5=8E=8B=E7=BC=A9=E5=9B=BE?= =?UTF-8?q?=E7=89=87=E8=84=9A=E6=9C=AC?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- CreatorUtils/imageCompress.py | 142 ++++++++++++++++++++++++++++++++++ 1 file changed, 142 insertions(+) create mode 100644 CreatorUtils/imageCompress.py diff --git a/CreatorUtils/imageCompress.py b/CreatorUtils/imageCompress.py new file mode 100644 index 0000000..6797631 --- /dev/null +++ b/CreatorUtils/imageCompress.py @@ -0,0 +1,142 @@ +# -*-coding:utf8 -*- + +''' + This is a convenient utility for compressing png images by tinypng API.Hook up your server to TinyJPG and TinyPNG and compress all your images on the fly. + The API uses the compression engine that powers the web services so you can expect exactly the same results. + Enter your name and email address below to retrieve your key and get started. + + Tinypng official website:https://tinypng.com + API Reference:https://tinypng.com/developers/reference/python + 参考：https://hellokugo.github.io/2016/09/10/python%E8%84%9A%E6%9C%AC%E5%AE%9E%E7%8E%B0%E5%9B%BE%E7%89%87%E5%8E%8B%E7%BC%A9/ +''' + +import subprocess +import os +import shutil +from PIL import Image +import sys +import tinify + +# 自定义多个tinify_keys存放到列表，使用前请替换 +tinify_keys = ["KPnTnm9wcrX7SYJ3hJBLxBwgWTSnjZb6"] + + +def CompressByPillow(fromFile, out_dir): + print("do CompressByPillow..") + try: + for root, dir, files in os.walk(fromFile): + print( + "****************************************************************************************") + print("root dir:"+root) + print("dir:"+str(dir)) + for file in files: + current_file = os.path.join(root, file) + dirName = os.path.basename(root) + # 如果没有指定输出路径，则默认覆盖当前文件 + if not out_dir: + out_dir = fromFile + targetDir = os.path.join(out_dir, dirName) + if not os.path.exists(targetDir): + os.makedirs(targetDir) + # 如果是.9图片或者非图片文件不做处理,直接做拷贝 + if not file.endswith(".9.png") and (file.endswith(".png") or file.endswith(".jpg")): + print( + "--------------------------------------------------------------------------------------------") + print("currrent file:"+current_file) + im = Image.open(current_file) + origin_size = os.path.getsize(current_file) + + if file.endswith(".png"): + im = im.convert('P') + im.save(os.path.join(targetDir, file), optimize=True) + + target_file = os.path.join(targetDir, file) + compress_size = os.path.getsize(target_file) + print('%.2f' % ((origin_size - compress_size) / origin_size)) + else: + if not out_dir or out_dir == fromFile: + continue + shutil.copy(current_file, os.path.join(targetDir, file)) + + except Exception as e: + print(e.message) + + +def CompressByTinypng(fromFile, out_dir): + print("do CompressByTinypng..") + try: + for root, dir, files in os.walk(fromFile): + print( + "****************************************************************************************") + print("root dir:"+root) + print("dir:"+str(dir)) + for file in files: + current_file = os.path.join(root, file) + dirName = os.path.basename(root) + # 如果没有指定输出路径，则默认覆盖当前文件 + if not out_dir: + out_dir = fromFile + targetDir = os.path.join(out_dir, dirName) + if not os.path.exists(targetDir): + os.makedirs(targetDir) + # 如果是.9图片或者非图片文件不做处理,直接做拷贝 + if not file.endswith(".9.png") and (file.endswith(".png") or file.endswith(".jpg")): + print( + "--------------------------------------------------------------------------------------------") + # for key in tinify_keys: + # 验证当前API key是否可以用，不可以用就切换下一个账号 + tinify.key = tinify_keys[0] + try: + valid = tinify.validate() + if valid: + print("currrent file:"+current_file) + origin_size = os.path.getsize(current_file) + source = tinify.from_file(current_file) + target_file = os.path.join(targetDir, file) + source.to_file(target_file) + compress_size = os.path.getsize(target_file) + print( + '%.2f' % ((origin_size - compress_size) / origin_size)) + else: + continue + except Exception as e: + # Something else went wrong, unrelated to the Tinify API. + print("error while compressing png image:"+e.message) + continue + else: + if not out_dir or out_dir == fromFile: + continue + shutil.copy(current_file, os.path.join(targetDir, file)) + + except Exception as e: + print(e.message) + + +''' +用法说明： + +命令行输入 +python imgCompress.py 压缩文件（或者目录，必填） 输出目录（选填，如果不填则覆盖当前目录） +''' + +if __name__ == "__main__": + command = sys.argv + if len(command) < 2: + print("command line params must have 2 parameters at least") + raise ValueError("command line params must have 2 parameters at least") + src_dir = command[1] + print(src_dir) + out_dir = None + try: + if os.path.isdir(command[2]): + out_dir = command[2] + except: + out_dir = None + pass + +# Tinypng + CompressByTinypng(src_dir, out_dir) +# Pngquant + # CompressByPillow(src_dir,out_dir) +# Pillow + # CompressByPillow(src_dir,out_dir)