添加一个使用python环境压缩图片脚本

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)