{"id":207641,"date":"2025-07-08T10:42:00","date_gmt":"2025-07-08T02:42:00","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207641\/"},"modified":"2025-07-08T10:42:00","modified_gmt":"2025-07-08T02:42:00","slug":"%e4%bb%8e-leveldb-ldb%e6%96%87%e4%bb%b6%e6%81%a2%e5%a4%8d%e6%95%b0%e6%8d%ae","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207641\/","title":{"rendered":"\u4ece LevelDB\u201c.ldb\u201d\u6587\u4ef6\u6062\u590d\u6570\u636e"},"content":{"rendered":"

<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u4ece LevelDB\u201c.ldb\u201d\u6587\u4ef6\u6062\u590d\u6570\u636e<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-24 10:54:32<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u6700\u8fd1\u53d1\u73b0\u4e0d\u5c11\u5c0f\u4f19\u4f34\u90fd\u5bf9Golang<\/span>\u5f88\u611f\u5174\u8da3\uff0c\u6240\u4ee5\u4eca\u5929\u7ee7\u7eed\u7ed9\u5927\u5bb6\u4ecb\u7ecdGolang<\/span>\u76f8\u5173\u7684\u77e5\u8bc6\uff0c\u672c\u6587\u300a\u4ece LevelDB\u201c.ldb\u201d\u6587\u4ef6\u6062\u590d\u6570\u636e\u300b<\/span>\u4e3b\u8981\u5185\u5bb9\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01\u5f53\u7136\u5982\u679c\u9605\u8bfb\u672c\u6587\u65f6\u5b58\u5728\u4e0d\u540c\u60f3\u6cd5\uff0c\u53ef\u4ee5\u5728\u8bc4\u8bba\u4e2d\u8868\u8fbe\uff0c\u4f46\u662f\u8bf7\u52ff\u4f7f\u7528\u8fc7\u6fc0\u7684\u63aa\u8f9e~<\/p>\n

\u95ee\u9898\u5185\u5bb9
\n <\/p>\n

\u6211\u6b63\u5728\u5c1d\u8bd5\u4ece .ldb \u6587\u4ef6\u4e2d\u63d0\u53d6\u6570\u636e\u3002 chrome \u6269\u5c55 onetab \u51fa\u73b0\u6545\u969c\uff0c\u6211\u6b63\u5728\u5c1d\u8bd5\u6062\u590d\u5b83\u4fdd\u5b58\u7684\u94fe\u63a5\u3002\u6211\u76f8\u4fe1\u6211\u5df2\u7ecf\u4ece\u4e00\u7bc7\u65e7\u535a\u5ba2\u6587\u7ae0\u4e2d\u627e\u5230\u4e86\u89e3\u51b3\u65b9\u6848\uff0c\u4f46\u6211\u5bf9\u7f16\u7801\u4e86\u89e3\u4e0d\u591f\uff0c\u65e0\u6cd5\u5f04\u6e05\u695a\u5982\u4f55\u9075\u5faa\u3002<\/p>\n

\u4ee5\u4e0b\u662f\u535a\u5ba2\u6587\u7ae0\u7684\u94fe\u63a5\uff1a https:\/\/antimatter15.com\/2015\/12\/recovering-deleted-data-from-leveldb\/<\/p>\n

\u6211\u76f8\u4fe1\u6211\u5df2\u7ecf\u6309\u7167\u4ed6\u7684\u5efa\u8bae\u6b63\u786e\u5b8c\u6210\u4e86\u6784\u5efa go \u5e94\u7528\u7a0b\u5e8f\u7684\u6240\u6709\u64cd\u4f5c\u3002\u5b83\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3a\u201cldbdump\u201d\u7684\u6587\u4ef6\uff0c\u6ca1\u6709\u6587\u4ef6\u6269\u5c55\u540d\u3002\u4e0b\u4e00\u6b65\u662f\u6211\u9047\u5230\u9ebb\u70e6\u7684\u5730\u65b9\u3002\u6211\u5c1d\u8bd5\u5728 jupyter notebook \u4e2d\u8fd0\u884c\u4ed6\u7684 python \u4ee3\u7801\uff08\u8fd9\u662f\u6211\u552f\u4e00\u4f7f\u7528\u8fc7 python \u7684\u8f6f\u4ef6\uff0c\u800c\u4e14\u7ecf\u9a8c\u6709\u9650\uff09\uff0c\u4f46\u53ea\u4f1a\u51fa\u73b0\u9519\u8bef\u3002<\/p>\n

\u6211\u6b63\u5728\u4f7f\u7528\u7684\u539f\u59cb\u4ee3\u7801\u53ef\u4ee5\u5728\u4e0a\u9762\u7684\u201c\u6062\u590d\u201d\u6807\u9898\u4e0b\u7684\u94fe\u63a5\u4e2d\u627e\u5230\u3002\u6211\u5c06\u201cbase\u201d\u7684\u5b9a\u4e49\u4ece\u201ctest-stuff copy\u201d\u66f4\u6539\u4e3a\u6307\u5411\u5305\u542b\u6211\u5c1d\u8bd5\u8bfb\u53d6\u7684 .ldb \u6587\u4ef6\u4ee5\u53ca\u201cldbdump\u201d\u6587\u4ef6\u7684\u6587\u4ef6\u5939\u3002\u51fa\u73b0\u9519\u8bef\u540e\uff0c\u6211\u8fd8\u66f4\u6539\u4e86\u5e95\u90e8\u6253\u5370\u547d\u4ee4\u7684\u8bed\u6cd5\u3002\u5176\u4ed6\u4e00\u5207\u90fd\u4fdd\u6301\u539f\u6837\u3002<\/p>\n

base = \"d:\\\\downloads\\\\ldb archive\"\n\nimport os\nfrom subprocess import popen, pipe\nimport json\nimport ast\n\nfor f in os.listdir(base):\n  if f.endswith(\".ldb\"):\n    process = popen([\"ldbdump\", os.path.join(base, f)], stdout=pipe)\n    (output, err) = process.communicate()\n    exit_code = process.wait()\n    for line in (output.split(\"\\n\")[1:]):\n      if line.strip() == \"\": continue\n      parsed = ast.literal_eval(\"{\" + line + \"}\")\n      key = parsed.keys()[0]\n      print(json.dumps({ \"key\": key.encode('string-escape'), \"value\": parsed[key] }))\n<\/pre>\n
\u5982\u679c\u6211\u6b63\u786e\u7406\u89e3\u4e86\u8fd9\u7bc7\u535a\u5ba2\u6587\u7ae0\uff0c\u90a3\u4e48\u5728\u5c06 .ldb \u6587\u4ef6\u7684\u5185\u5bb9\u8f6c\u6362\u4e3a json \u6587\u4ef6\u540e\uff0c\u5e94\u8be5\u4f1a\u6253\u5370 .ldb \u6587\u4ef6\u7684\u5185\u5bb9\uff08\u5c3d\u7ba1\u6211\u4e0d\u786e\u5b9a\u8be5 json \u6587\u4ef6\u5c06\u4fdd\u5b58\u5728\u54ea\u91cc\uff09\u3002\u4e4b\u540e\uff0c\u6211\u53ef\u4ee5\u7ee7\u7eed\u4e0b\u4e00\u6b65\uff0c\u6e05\u7406\u7ed3\u679c\u4ee5\u4f7f\u5176\u66f4\u5177\u53ef\u8bfb\u6027\u3002\u76f8\u53cd\uff0c\u6211\u6536\u5230\u4e00\u4e2a\u9519\u8bef\u3002\u6211\u4e0d\u77e5\u9053\u6211\u505a\u9519\u4e86\u4ec0\u4e48\uff0c\u56e0\u4e3a\u6211\u4e00\u5f00\u59cb\u51e0\u4e4e\u4e0d\u77e5\u9053\u81ea\u5df1\u5728\u505a\u4ec0\u4e48\u3002\u6211\u771f\u6b63\u7406\u89e3\u7684\u662f\u9876\u90e8\u7684\u201c\u6587\u4ef6\u672a\u627e\u5230\u201d\u3002\u5b83\u770b\u8d77\u6765\u50cf\u8fd9\u6837\uff1a<\/p>\n
FileNotFoundError                         Traceback (most recent call last)\n<ipython-input-2-26ff29e32d63> in <module>\n      1 for f in os.listdir(base):\n      2   if f.endswith(\".ldb\"):\n----> 3     process = Popen([\"ldbdump\", os.path.join(base, f)], stdout=PIPE)\n      4     (output, err) = process.communicate()\n      5     exit_code = process.wait()\n\n~\\Anaconda3\\lib\\subprocess.py in __init__(self, args, bufsize, executable, stdin, stdout, stderr, preexec_fn, close_fds, shell, cwd, env, universal_newlines, startupinfo, creationflags, restore_signals, start_new_session, pass_fds, encoding, errors, text)\n    767                                 c2pread, c2pwrite,\n    768                                 errread, errwrite,\n--> 769                                 restore_signals, start_new_session)\n    770         except:\n    771             # Cleanup if the child failed starting.\n\n~\\Anaconda3\\lib\\subprocess.py in _execute_child(self, args, executable, preexec_fn, close_fds, pass_fds, cwd, env, startupinfo, creationflags, shell, p2cread, p2cwrite, c2pread, c2pwrite, errread, errwrite, unused_restore_signals, unused_start_new_session)\n   1170                                          env,\n   1171                                          os.fspath(cwd) if cwd is not None else None,\n-> 1172                                          startupinfo)\n   1173             finally:\n   1174                 # Child is launched. Close the parent's copy of those pipe\n\nFileNotFoundError: [WinError 2] The system cannot find the file specified\n<\/pre>\n
\u5c31\u50cf\u6211\u8bf4\u7684\uff0c\u6211\u4e0d\u786e\u5b9a\u6211\u505a\u9519\u4e86\u4ec0\u4e48\u3002\u6211\u6700\u597d\u7684\u731c\u6d4b\u662f\uff0c\u6211\u8981\u4e48\u6ca1\u6709\u6b63\u786e\u4fee\u6539\u535a\u5ba2\u6587\u7ae0\u7684\u4ee3\u7801\u4ee5\u5c06\u5176\u6307\u5411\u6211\u7684\u7535\u8111\u4e0a\u7684\u6587\u4ef6\uff0c\u8981\u4e48\u539f\u59cb\u4ee3\u7801\u9519\u8bef\u5730\u5047\u8bbe\u4e86\u6709\u5173\u6211\u7684\u673a\u5668\u7684\u67d0\u4e9b\u4fe1\u606f\uff08\u610f\u5473\u7740\u6211\u6709\u9519\u8bef\u7684\u64cd\u4f5c\u7cfb\u7edf\uff0c\u6211\u4e0d\u5e94\u8be5\u8fd0\u884c\u5b83\u5728\u7b14\u8bb0\u672c\u4e2d\uff0c\u6211\u7f3a\u5c11\u4e00\u4e9b\u4f9d\u8d56\u9879\u7b49\uff09<\/p>\n
\u4ec5\u4f9b\u53c2\u8003\uff0c\u6211\u4f7f\u7528\u7684\u662f\u8fd0\u884c windows 10 \u7684\u53f0\u5f0f\u7535\u8111\uff0c\u6211\u5c1d\u8bd5\u4f7f\u7528 jupyter notebook 5.7.4 \u8fd0\u884c\u6b64\u4ee3\u7801\uff0c\u9664\u4e86\u4ee5\u4e0b\u90e8\u5206\u4e2d\u5217\u51fa\u7684\u5305\u4e4b\u5916\uff0c\u6211\u6ca1\u6709\u5bfc\u5165\u4efb\u4f55\u5176\u4ed6\u5305\u4e0a\u9762\u7684\u4ee3\u7801\uff0c\u6211\u51e0\u4e4e\u4e0d\u77e5\u9053\u6211\u5728\u505a\u4ec0\u4e48\u3002\u5bf9\u4e0d\u8d77\u3002\u8bf7\u5e2e\u5fd9\u3002<\/p>\n
 <\/p>\n
\u89e3\u51b3\u65b9\u6848<\/h2>\n
 <\/p>\n
\u5728\u6211\u7684\u7814\u7a76\u4e2d\u6211\u6dfb\u52a0\u4e86\u4e00\u4e9b\u4fee\u590d<\/p>\n
import os\nimport subprocess\nimport json\nimport ast\nfor f in os.listdir(base):\n  if f.endswith(\".ldb\"):\n    process = subprocess.Popen([\"ldbdump\", os.path.join(base, f)], stdout=subprocess.PIPE, shell = True)\n    (output, err) = process.communicate()\n    exit_code = process.wait()\n    for line in (output.split(\"\\n\")[1:]):\n      if line.strip() == \"\": continue\n      parsed = ast.literal_eval(\"{\" + line + \"}\")\n      key = parsed.keys()[0]\n      print json.dumps({ \"key\": key.encode('string-escape'), \"value\": parsed[key] })<\/pre>\n
\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300a\u4ece LevelDB\u201c.ldb\u201d\u6587\u4ef6\u6062\u590d\u6570\u636e\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5f53\u524d\u4f4d\u7f6e\uff1a > > ...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-207641","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207641","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=207641"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207641\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207641"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207641"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207641"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}