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63 lines
1.7 KiB
63 lines
1.7 KiB
#!/usr/bin/python |
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# -*- coding: utf-8 -*- |
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##### name: 图片批量压缩 ##### |
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##### author: xiaoz.me ##### |
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##### update: 2018-03-13 ##### |
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import sqlite3 |
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import os |
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#图片根目录 |
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global imgpath |
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#设置图片绝对路径 |
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imgpath = '/data/wwwroot/test.imgurl.org' |
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conn = sqlite3.connect(imgpath + "/data/imgurl.db3") |
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c = conn.cursor() |
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#查询10张没有压缩的图片 |
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imgs = c.execute("SELECT a.path,a.compression,b.mime,b.ext,a.id FROM img_images AS a INNER JOIN img_imginfo b ON a.imgid = b.imgid AND a.compression = 0 ORDER BY a.id DESC LIMIT 10") |
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#更新图片状态，compression标记为1，标识已经压缩 |
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def upimg(imgid): |
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u = conn.cursor() |
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#更新数据库 |
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upimg = u.execute("UPDATE img_images SET compression = 1 WHERE `id` = " + str(imgid)) |
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conn.commit() |
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#压缩图片的函数 |
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def compress(mime,path,imgid): |
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#图片完整路径 |
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fullpath = imgpath + path |
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#图片大小 |
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imgsize = os.path.getsize(fullpath) |
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#如果图片大于100K就进行压缩 |
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if imgsize >= 102400: |
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if mime == 'image/jpeg': |
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#优化图片 |
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os.system('jpegoptim -m 80 ' + fullpath) |
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#更新数据库 |
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upimg(imgid) |
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print(path + "已优化！\n") |
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elif mime == 'image/png' or mime == 'image/bmp': |
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#优化图片 |
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os.system('optipng ' + fullpath) |
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#更新数据库 |
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upimg(imgid) |
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print(path + "已优化！\n") |
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else: |
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skip = c.execute("UPDATE img_images SET compression = -1 WHERE `id` = " + str(imgid)) |
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print("当前没有需要处理的图片！\n") |
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conn.commit() |
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else: |
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print("图片不足100k，跳过！\n") |
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skip = conn.execute("UPDATE img_images SET compression = -1 WHERE `id` = " + str(imgid)) |
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conn.commit() |
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#遍历输出 |
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for row in imgs: |
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compress(row[2],row[0],row[4]) |
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#关闭数据库连接 |
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conn.close()
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