{"id":7580,"date":"2020-09-14T17:05:24","date_gmt":"2020-09-14T09:05:24","guid":{"rendered":"https:\/\/kyle.ai\/blog\/?p=7580"},"modified":"2020-09-14T17:05:24","modified_gmt":"2020-09-14T09:05:24","slug":"python%e7%9a%84zipfile%e6%a8%a1%e5%9d%97%e8%af%bb%e5%8f%96%e6%96%87%e4%bb%b6%e6%9d%83%e9%99%90%e5%b1%9e%e6%80%a7","status":"publish","type":"post","link":"https:\/\/kyle.ai\/blog\/7580.html","title":{"rendered":"Python\u7684zipfile\u6a21\u5757\u8bfb\u53d6\u6587\u4ef6\u6743\u9650\u5c5e\u6027"},"content":{"rendered":"<p>\u5728\u5de5\u4f5c\u4e2d\u9047\u5230\u7684\u4e00\u4e2a\u95ee\u9898\uff0c\u5982\u4f55\u8bfb\u53d6 zip \u538b\u7f29\u5305\u5185\uff0c\u5e26\u6743\u9650\u5c5e\u6027\u7684\u6587\u4ef6\u5217\u8868\uff1f\u4f8b\u5982\u6211\u6709\u4e00\u4e2a 744 \u6743\u9650\u7684\u6587\u4ef6\uff0c\u60f3\u8981\u6dfb\u52a0\u5230 zip \u5305\u4e2d\uff0c\u540c\u65f6\u60f3\u4fee\u6539\u5b83\u7684\u6743\u9650\u4e3a 755\uff0c\u7f51\u4e0a\u627e\u5230\u7684\u4ee3\u7801\u5b9e\u73b0\u4e3a\uff1a<\/p>\n<pre><code class=\"language-python \">buffer = \"path\/filename.zip\"  # zip filename to write (or file-like object)\nname = \"folder\/data.txt\"      # name of file inside zip \nbytes = \"blah blah blah\"      # contents of file inside zip\n\nzip = zipfile.ZipFile(buffer, \"w\", zipfile.ZIP_DEFLATED)\ninfo = zipfile.ZipInfo(name)\ninfo.external_attr = 0o755 &lt;&lt; 16L # give full access to included file\nzip.writestr(info, bytes)\nzip.close()\n<\/code><\/pre>\n<p>\u5176\u4e2d\u8bbe\u7f6e zip \u5305\u5185\u6587\u4ef6\u5c5e\u6027\u7684\u5173\u952e\u4ee3\u7801\u662f\u8fd9\u4e00\u884c\uff1a<\/p>\n<pre><code class=\"language-python \">info.external_attr = 0o755 &lt;&lt; 16L \n<\/code><\/pre>\n<p>\u5728 Python \u7684\u5b98\u65b9\u6587\u6863\u4e2d\uff0c\u6ca1\u6709 external_attr \u503c\u7684\u8bf4\u660e\uff0c\u53ea\u80fd\u4ece\u7f51\u4e0a\u67e5\u627e\u8d44\u6599\u3002<\/p>\n<p>\u5047\u5982\u73b0\u5728\u5df2\u7ecf\u6709\u4e00\u4e2a zip \u5305\uff0c\u6211\u60f3\u8981\u5217\u51fa\u5305\u5185\u6587\u4ef6\uff0c\u4ee5\u53ca\u6587\u4ef6\u7684\u6743\u9650\u5c5e\u6027\u5982 755\uff0c\u8fd9\u65f6\u5019\u5c31\u9700\u8981\u5bf9 external_attr \u8fdb\u884c\u7ffb\u8bd1\uff0c\u6240\u4ee5\u6709\u5fc5\u8981\u77e5\u9053\u5b83\u7684\u503c\u6784\u6210\u539f\u7406\u3002<\/p>\n<p>external_attr \u503c\u662f\u4e00\u4e2a 32 \u4f4d\u7684\u6574\u6570\uff0c\u7ec4\u6210\u90e8\u5206\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-text \">TTTTsstrwxrwxrwx0000000000ADVSHR\n^^^^____________________________ file type as explained above\n    ^^^_________________________ setuid, setgid, sticky\n       ^^^^^^^^^________________ permissions\n                ^^^^^^^^________ This is the \"lower-middle byte\" your post mentions\n                        ^^^^^^^^ DOS attribute bits\n<\/code><\/pre>\n<p>\u5176\u4e2d\u524d\u9762 16 \u4f4d\u662f\u8868\u793a Unix \u7cfb\u7edf\u4e0b\u9762\u7684\u6587\u4ef6\u6743\u9650\u4fe1\u606f\uff0c\u540e 16 \u4f4d\u662f\u5176\u4ed6\u5e73\u53f0\u5982 Dos \u7684\u4fe1\u606f\uff0c\u6240\u4ee5\u6211\u4eec\u53ea\u9700\u8981\u5173\u6ce8\u524d 16 \u4f4d\uff0c\u4e5f\u5c31\u662f\u4e3a\u4ec0\u4e48\u4e0a\u9762\u7684 Python \u4ee3\u7801\u4f1a\u6709 <code>&lt;&lt; 16<\/code> \u64cd\u4f5c\u3002<\/p>\n<p>\u524d\u56db\u4f4d\u8868\u793a\u7684\u662f\u6587\u4ef6\u7c7b\u578b\uff0c\u6587\u4ef6\u7c7b\u578b\u53ef\u9009\u503c\u5982\u4e0b\u6e90\u4ee3\u7801\uff0c\u6ce8\u610f\u8fd9\u662f C \u8bed\u8a00\u4ee3\u7801\uff0c\u503c\u4e3a 8 \u8fdb\u5236\u8868\u793a\uff1a<\/p>\n<pre><code class=\"language-text \">#define S_IFIFO  0010000  \/* named pipe (fifo) *\/\n#define S_IFCHR  0020000  \/* character special *\/\n#define S_IFDIR  0040000  \/* directory *\/\n#define S_IFBLK  0060000  \/* block special *\/\n#define S_IFREG  0100000  \/* regular *\/\n#define S_IFLNK  0120000  \/* symbolic link *\/\n#define S_IFSOCK 0140000  \/* socket *\/\n<\/code><\/pre>\n<p>external_attr \u503c\u524d\u56db\u4f4d TTTT \u7528 8 \u8fdb\u5236\u8868\u793a\u5c31\u9700\u8981 2 \u4f4d\uff0c\u6240\u4ee5\u53d6\u4e86\u4e0a\u8868\u4e2d\u7b2c2\u30013\u4f4d\uff0c\u4f8b\u5982\u666e\u901a\u6587\u4ef6\u4e3a 0o10\uff0c\u6587\u4ef6\u5939\u4e3a 0o04\uff0c\u8f6f\u94fe\u63a5\u4e3a 0o12\u3002TTTT \u4e4b\u540e 3 \u4f4d <code>sst<\/code> \u4e00\u822c\u4e3a 000\uff0c\u518d\u540e\u9762 9 \u4f4d\u5c31\u662f\u6743\u9650\u4fe1\u606f\uff0c\u53ef\u7528 3 \u4f4d 8 \u8fdb\u5236\u8868\u793a\uff0c\u5982 644\u3002<\/p>\n<p>\u6240\u4ee5\uff0c\u6211\u4eec\u8981\u63d0\u53d6\u6743\u9650\u4fe1\u606f\uff0c\u5c31\u9700\u8981\u5c06 external_attr \u5148\u53f3\u79fb 16 \u4f4d\uff0c\u518d\u8f6c\u6210 8 \u8fdb\u5236\uff0c\u6700\u540e\u4e09\u4e2a\u6570\u5b57\u5c31\u662f\u4e86\u3002<\/p>\n<p>\u73b0\u5728\u521b\u5efa\u4e00\u4e2a\u538b\u7f29\u5305\u6d4b\u8bd5\u4e00\u4e0b\uff0c\u5305\u542b\u7684\u6587\u4ef6\u5217\u8868\u5982\u4e0b\u56fe\uff1a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2020\/09\/\u622a\u5c4f2020-09-1416.58.37.png\" alt=\"\" \/><\/p>\n<p>\u8bfb\u53d6 zip \u6587\u4ef6\u5217\u8868\u4fe1\u606f\u4ee3\u7801\uff1a<\/p>\n<pre><code class=\"language-python \">import zipfile\n\nif __name__ == '__main__':\n    filepath = 'zipfile.zip'\n    zf = zipfile.ZipFile(filepath, mode='r')\n    for f in zf.infolist():\n        print(f\"{f.filename}: {f.external_attr}, {oct(f.external_attr&gt;&gt;16)}\")\n<\/code><\/pre>\n<p>\u8fd0\u884c\u7ed3\u679c\uff1a<\/p>\n<pre><code class=\"language-shell \">&gt; python zip.py \ndir\/: 1106051072, 0o40755\nexefile.exe: 2179792896, 0o100755\nregular.txt: 2175008768, 0o100644\nsymbolic: 2716663808, 0o120755\n<\/code><\/pre>\n<p>\u53c2\u8003\u94fe\u63a5\uff1a<\/p>\n<ul>\n<li><a href=\"https:\/\/stackoverflow.com\/questions\/434641\/how-do-i-set-permissions-attributes-on-a-file-in-a-zip-file-using-pythons-zip\/6297838#6297838\">https:\/\/stackoverflow.com\/questions\/434641\/how-do-i-set-permissions-attributes-on-a-file-in-a-zip-file-using-pythons-zip\/6297838#6297838<\/a><\/li>\n<li><a href=\"https:\/\/unix.stackexchange.com\/questions\/14705\/the-zip-formats-external-file-attribute\">https:\/\/unix.stackexchange.com\/questions\/14705\/the-zip-formats-external-file-attribute<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u5de5\u4f5c\u4e2d\u9047\u5230\u7684\u4e00\u4e2a\u95ee\u9898\uff0c\u5982\u4f55\u8bfb\u53d6 zip \u538b\u7f29\u5305\u5185\uff0c\u5e26\u6743\u9650\u5c5e\u6027\u7684\u6587\u4ef6\u5217\u8868\uff1f\u4f8b\u5982\u6211\u6709\u4e00\u4e2a 744 \u6743\u9650\u7684\u6587\u4ef6\uff0c\u60f3 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-7580","post","type-post","status-publish","format-standard","hentry","category-code_related"],"_links":{"self":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/7580","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/comments?post=7580"}],"version-history":[{"count":1,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/7580\/revisions"}],"predecessor-version":[{"id":7582,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/7580\/revisions\/7582"}],"wp:attachment":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/media?parent=7580"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/categories?post=7580"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/tags?post=7580"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}