{"id":1000314,"date":"2024-12-27T09:48:58","date_gmt":"2024-12-27T01:48:58","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1000314.html"},"modified":"2024-12-27T09:49:01","modified_gmt":"2024-12-27T01:49:01","slug":"python%e5%a6%82%e4%bd%95%e8%a7%a3%e6%9e%90gzip","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1000314.html","title":{"rendered":"python\u5982\u4f55\u89e3\u6790gzip"},"content":{"rendered":"

\"python\u5982\u4f55\u89e3\u6790gzip\"<\/p>\n

\u89e3\u6790Gzip\u6587\u4ef6\u5728Python\u4e2d\u975e\u5e38\u7b80\u5355\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684gzip\u5e93\u3001\u5229\u7528\u7b2c\u4e09\u65b9\u5e93\u5982zlib\u3001\u786e\u4fdd\u6570\u636e\u6d41\u5904\u7406\u7684\u6b63\u786e\u6027<\/strong>\u3002\u5728\u8fd9\u4e9b\u65b9\u6cd5\u4e2d\uff0c\u4f7f\u7528Python\u5185\u7f6e\u7684gzip\u6a21\u5757\u662f\u6700\u5e38\u89c1\u7684\u65b9\u6cd5\u3002\u901a\u8fc7gzip\u6a21\u5757\uff0c\u5f00\u53d1\u8005\u80fd\u591f\u8f7b\u677e\u8bfb\u53d6\u548c\u5199\u5165Gzip\u683c\u5f0f\u7684\u6587\u4ef6\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u5728Python\u4e2d\u89e3\u6790Gzip\u6587\u4ef6\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528\u5185\u7f6e\u7684GZIP\u6a21\u5757<\/p>\n<\/p>\n

Python\u7684gzip\u6a21\u5757\u63d0\u4f9b\u4e86\u5bf9Gzip\u6587\u4ef6\u7684\u76f4\u63a5\u652f\u6301\uff0c\u53ef\u4ee5\u8f7b\u677e\u5730\u8bfb\u53d6\u548c\u5199\u5165Gzip\u538b\u7f29\u6587\u4ef6\u3002<\/p>\n<\/p>\n

    \n
  1. \u8bfb\u53d6Gzip\u6587\u4ef6<\/strong><\/li>\n<\/ol>\n

    \u901a\u8fc7gzip\u6a21\u5757\uff0c\u8bfb\u53d6Gzip\u6587\u4ef6\u975e\u5e38\u7b80\u5355\u3002\u9996\u5148\u9700\u8981\u6253\u5f00\u6587\u4ef6\uff0c\u7136\u540e\u4f7f\u7528read()\u65b9\u6cd5\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u3002<\/p>\n<\/p>\n

    import gzip<\/p>\n
    def read_gzip_file(file_path):<\/p>\n
        with gzip.open(file_path, 'rt') as f:<\/p>\n
            file_content = f.read()<\/p>\n
        return file_content<\/p>\n
    \u793a\u4f8b\u8c03\u7528<\/strong><\/h2>\n
    file_path = 'example.gz'<\/p>\n
    content = read_gzip_file(file_path)<\/p>\n
    print(content)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0cgzip.open()\u7528\u4e8e\u6253\u5f00Gzip\u6587\u4ef6\uff0c\u2018rt\u2019\u6a21\u5f0f\u8868\u793a\u4ee5\u6587\u672c\u65b9\u5f0f\u8bfb\u53d6\u6587\u4ef6\u3002<\/p>\n<\/p>\n
      \n
    1. \u5199\u5165Gzip\u6587\u4ef6<\/strong><\/li>\n<\/ol>\n
      \u540c\u6837\uff0cgzip\u6a21\u5757\u4e5f\u652f\u6301\u5c06\u5185\u5bb9\u5199\u5165Gzip\u538b\u7f29\u6587\u4ef6\u3002<\/p>\n<\/p>\n
      import gzip<\/p>\n
      def write_gzip_file(file_path, content):<\/p>\n
          with gzip.open(file_path, 'wt') as f:<\/p>\n
              f.write(content)<\/p>\n
      \u793a\u4f8b\u8c03\u7528<\/strong><\/h2>\n
      file_path = 'example.gz'<\/p>\n
      content = '\u8fd9\u662f\u4e00\u4e9b\u9700\u8981\u538b\u7f29\u5b58\u50a8\u7684\u6587\u672c\u3002'<\/p>\n
      write_gzip_file(file_path, content)<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u2018wt\u2019\u6a21\u5f0f\u8868\u793a\u4ee5\u6587\u672c\u65b9\u5f0f\u5199\u5165\u6587\u4ef6\u3002<\/p>\n<\/p>\n
      \u4e8c\u3001\u5229\u7528ZLIB\u5e93<\/p>\n<\/p>\n
      \u867d\u7136gzip\u6a21\u5757\u5df2\u7ecf\u975e\u5e38\u65b9\u4fbf\uff0c\u4f46\u6709\u65f6\u6211\u4eec\u53ef\u80fd\u9700\u8981\u66f4\u5e95\u5c42\u7684\u63a7\u5236\uff0c\u6b64\u65f6zlib\u5e93\u662f\u4e00\u4e2a\u4e0d\u9519\u7684\u9009\u62e9\u3002zlib\u5e93\u63d0\u4f9b\u4e86\u66f4\u5e95\u5c42\u7684\u538b\u7f29\u548c\u89e3\u538b\u7f29\u529f\u80fd\uff0c\u53ef\u4ee5\u5904\u7406\u66f4\u590d\u6742\u7684\u6570\u636e\u6d41\u3002<\/p>\n<\/p>\n
        \n
      1. \u89e3\u538b\u7f29\u6570\u636e\u6d41<\/strong><\/li>\n<\/ol>\n
        \u53ef\u4ee5\u4f7f\u7528zlib\u5e93\u89e3\u538b\u7f29Gzip\u6587\u4ef6\u7684\u6570\u636e\u6d41\u3002<\/p>\n<\/p>\n
        import zlib<\/p>\n
        def decompress_gzip_data(data):<\/p>\n
            decompressor = zlib.decompressobj(16 + zlib.MAX_WBITS)<\/p>\n
            decompressed_data = decompressor.decompress(data)<\/p>\n
            return decompressed_data<\/p>\n
        \u793a\u4f8b\u8c03\u7528<\/strong><\/h2>\n
        with open('example.gz', 'rb') as f:<\/p>\n
            gzipped_data = f.read()<\/p>\n
        decompressed_content = decompress_gzip_data(gzipped_data)<\/p>\n
        print(decompressed_content.decode('utf-8'))<\/p>\n
        <\/code><\/pre>\n<\/p>\n
          \n
        1. \u538b\u7f29\u6570\u636e\u6d41<\/strong><\/li>\n<\/ol>\n
          \u540c\u7406\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528zlib\u5e93\u538b\u7f29\u6570\u636e\u6d41\uff0c\u7136\u540e\u5c06\u5176\u5b58\u50a8\u4e3aGzip\u6587\u4ef6\u3002<\/p>\n<\/p>\n
          import zlib<\/p>\n
          def compress_data_to_gzip(data):<\/p>\n
              compressor = zlib.compressobj(wbits=16 + zlib.MAX_WBITS)<\/p>\n
              compressed_data = compressor.compress(data) + compressor.flush()<\/p>\n
              return compressed_data<\/p>\n
          \u793a\u4f8b\u8c03\u7528<\/strong><\/h2>\n
          data = b'\u8fd9\u662f\u4e00\u4e9b\u9700\u8981\u538b\u7f29\u7684\u4e8c\u8fdb\u5236\u6570\u636e\u3002'<\/p>\n
          compressed_data = compress_data_to_gzip(data)<\/p>\n
          with open('example.gz', 'wb') as f:<\/p>\n
              f.write(compressed_data)<\/p>\n
          <\/code><\/pre>\n<\/p>\n
          \u4e09\u3001\u6570\u636e\u6d41\u5904\u7406\u7684\u6b63\u786e\u6027<\/p>\n<\/p>\n
          \u5728\u5904\u7406Gzip\u6587\u4ef6\u65f6\uff0c\u786e\u4fdd\u6570\u636e\u6d41\u7684\u6b63\u786e\u6027\u975e\u5e38\u91cd\u8981\u3002\u5c24\u5176\u662f\u5728\u5904\u7406\u5927\u6587\u4ef6\u6216\u7f51\u7edc\u4f20\u8f93\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u6570\u636e\u6d41\u7684\u4e2d\u65ad\u6216\u635f\u574f\uff0c\u56e0\u6b64\u9700\u8981\u4ed4\u7ec6\u5904\u7406\u8fd9\u4e9b\u6570\u636e\u3002<\/p>\n<\/p>\n
            \n
          1. \u8bfb\u53d6\u5927\u6587\u4ef6<\/strong><\/li>\n<\/ol>\n
            \u5bf9\u4e8e\u5927\u6587\u4ef6\uff0c\u9010\u884c\u8bfb\u53d6\u662f\u4e00\u4e2a\u4e0d\u9519\u7684\u9009\u62e9\uff0c\u4ee5\u51cf\u5c11\u5185\u5b58\u4f7f\u7528\u3002<\/p>\n<\/p>\n
            import gzip<\/p>\n
            def read_large_gzip_file(file_path):<\/p>\n
                with gzip.open(file_path, 'rt') as f:<\/p>\n
                    for line in f:<\/p>\n
                        process_line(line)<\/p>\n
            def process_line(line):<\/p>\n
                # \u5728\u8fd9\u91cc\u5904\u7406\u6bcf\u4e00\u884c\u6570\u636e<\/p>\n
                print(line)<\/p>\n
            <\/code><\/pre>\n<\/p>\n
              \n
            1. \u5904\u7406\u6570\u636e\u6d41\u4e2d\u65ad<\/strong><\/li>\n<\/ol>\n
              \u5728\u7f51\u7edc\u4f20\u8f93\u65f6\uff0c\u6570\u636e\u6d41\u53ef\u80fd\u4f1a\u4e2d\u65ad\u3002\u4e3a\u786e\u4fdd\u6570\u636e\u6d41\u7684\u5b8c\u6574\u6027\uff0c\u5e94\u8be5\u5b9e\u73b0\u91cd\u8bd5\u673a\u5236\u6216\u6570\u636e\u6821\u9a8c\u3002<\/p>\n<\/p>\n
              def SAFe<\/a>_read_gzip_file(file_path):<\/p>\n
                  try:<\/p>\n
                      content = read_gzip_file(file_path)<\/p>\n
                  except IOError as e:<\/p>\n
                      print(f"\u8bfb\u53d6\u6587\u4ef6\u65f6\u53d1\u751f\u9519\u8bef: {e}")<\/p>\n
                      # \u5b9e\u73b0\u91cd\u8bd5\u673a\u5236<\/p>\n
                      content = retry_read(file_path)<\/p>\n
                  return content<\/p>\n
              def retry_read(file_path):<\/p>\n
                  # \u5b9e\u73b0\u91cd\u8bd5\u903b\u8f91<\/p>\n
                  pass<\/p>\n
              <\/code><\/pre>\n<\/p>\n
              \u603b\u7ed3\u800c\u8a00\uff0cPython\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u5de5\u5177\u6765\u89e3\u6790Gzip\u6587\u4ef6\uff0c\u901a\u8fc7\u4f7f\u7528\u5185\u7f6e\u7684gzip\u6a21\u5757\u6216zlib\u5e93\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u8bfb\u53d6\u548c\u5199\u5165Gzip\u6587\u4ef6<\/strong>\u3002\u5728\u5904\u7406\u6570\u636e\u6d41\u65f6\uff0c\u786e\u4fdd\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u6b63\u786e\u6027\u81f3\u5173\u91cd\u8981\u3002\u901a\u8fc7\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u9ad8\u6548\u5730\u7ba1\u7406Gzip\u538b\u7f29\u6570\u636e\u3002<\/p>\n<\/p>\n
              \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
               \u5982\u4f55\u5728Python\u4e2d\u4f7f\u7528gzip\u6a21\u5757\u8fdb\u884c\u6587\u4ef6\u89e3\u538b\uff1f<\/strong>
              \u5728Python\u4e2d\uff0c\u4f7f\u7528gzip\u6a21\u5757\u53ef\u4ee5\u8f7b\u677e\u89e3\u538b\u7f29gzip\u683c\u5f0f\u7684\u6587\u4ef6\u3002\u9996\u5148\uff0c\u60a8\u9700\u8981\u5bfc\u5165gzip\u6a21\u5757\u3002\u7136\u540e\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528gzip.open()\u65b9\u6cd5\u6253\u5f00\u4e00\u4e2a.gz\u6587\u4ef6\uff0c\u5e76\u4f7f\u7528read()\u65b9\u6cd5\u8bfb\u53d6\u5176\u5185\u5bb9\u3002\u4f8b\u5982\uff1a<\/p>\n
              import gzip\n\nwith gzip.open('file.gz', 'rb') as f:\n    file_content = f.read()\n<\/code><\/pre>\n
              \u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u538b\u7f29gzip\u6587\u4ef6\u5e76\u8bfb\u53d6\u5176\u4e2d\u7684\u5185\u5bb9\u3002<\/p>\n
              \u5728Python\u4e2d\u89e3\u6790gzip\u6587\u4ef6\u65f6\uff0c\u6709\u54ea\u4e9b\u5e38\u89c1\u7684\u9519\u8bef\uff1f<\/strong>
              \u89e3\u6790gzip\u6587\u4ef6\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u4e00\u4e9b\u5e38\u89c1\u9519\u8bef\uff0c\u4f8b\u5982\u6587\u4ef6\u672a\u627e\u5230\u9519\u8bef\u3001\u6587\u4ef6\u683c\u5f0f\u4e0d\u6b63\u786e\u6216\u8bfb\u53d6\u6743\u9650\u4e0d\u8db3\u3002\u786e\u4fdd\u60a8\u63d0\u4f9b\u7684\u6587\u4ef6\u8def\u5f84\u6b63\u786e\u65e0\u8bef\uff0c\u4e14\u6587\u4ef6\u786e\u5b9e\u662fgzip\u683c\u5f0f\u3002\u5982\u679c\u5728\u8bfb\u53d6\u8fc7\u7a0b\u4e2d\u9047\u5230\u6743\u9650\u95ee\u9898\uff0c\u53ef\u4ee5\u68c0\u67e5\u6587\u4ef6\u7684\u8bbf\u95ee\u6743\u9650\u5e76\u8fdb\u884c\u76f8\u5e94\u7684\u4fee\u6539\u3002<\/p>\n
              \u5982\u4f55\u4f7f\u7528Python\u5c06\u6587\u672c\u6570\u636e\u538b\u7f29\u6210gzip\u683c\u5f0f\uff1f<\/strong>
              \u60a8\u53ef\u4ee5\u4f7f\u7528gzip\u6a21\u5757\u5c06\u6587\u672c\u6570\u636e\u538b\u7f29\u4e3agzip\u683c\u5f0f\u3002\u53ef\u4ee5\u4f7f\u7528gzip.open()\u4ee5\u5199\u5165\u6a21\u5f0f\u6253\u5f00\u4e00\u4e2a\u65b0\u7684.gz\u6587\u4ef6\uff0c\u5e76\u4f7f\u7528write()\u65b9\u6cd5\u5c06\u6570\u636e\u5199\u5165\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
              import gzip\n\ndata = b"\u8fd9\u662f\u8981\u538b\u7f29\u7684\u6587\u672c\u6570\u636e\u3002"\nwith gzip.open('compressed_file.gz', 'wb') as f:\n    f.write(data)\n<\/code><\/pre>\n
              \u901a\u8fc7\u8fd9\u79cd\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u8f7b\u677e\u5730\u5c06\u4efb\u4f55\u6587\u672c\u6570\u636e\u538b\u7f29\u4e3agzip\u683c\u5f0f\uff0c\u4fbf\u4e8e\u5b58\u50a8\u548c\u4f20\u8f93\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u89e3\u6790Gzip\u6587\u4ef6\u5728Python\u4e2d\u975e\u5e38\u7b80\u5355\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684gzip\u5e93\u3001\u5229\u7528\u7b2c\u4e09\u65b9\u5e93\u5982zlib\u3001\u786e\u4fdd\u6570\u636e\u6d41\u5904\u7406\u7684\u6b63 […]","protected":false},"author":3,"featured_media":1000326,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1000314"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=1000314"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1000314\/revisions"}],"predecessor-version":[{"id":1000328,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1000314\/revisions\/1000328"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1000326"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1000314"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1000314"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1000314"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}