{"id":1451,"date":"2025-06-12T10:08:02","date_gmt":"2025-06-12T02:08:02","guid":{"rendered":"https:\/\/blog.shangwendada.top\/?p=1451"},"modified":"2025-06-12T10:08:02","modified_gmt":"2025-06-12T02:08:02","slug":"python%e5%ae%9a%e5%88%b6%e5%8c%96%e8%99%9a%e6%8b%9f%e6%9c%ba%e4%bf%9d%e6%8a%a4%e5%af%b9%e6%8a%97","status":"publish","type":"post","link":"https:\/\/blog.shangwendada.top\/index.php\/2025\/06\/12\/python%e5%ae%9a%e5%88%b6%e5%8c%96%e8%99%9a%e6%8b%9f%e6%9c%ba%e4%bf%9d%e6%8a%a4%e5%af%b9%e6%8a%97\/","title":{"rendered":"Python\u5b9a\u5236\u5316\u865a\u62df\u673a\u4fdd\u62a4\u5bf9\u6297"},"content":{"rendered":"

Python\u5b9a\u5236\u5316\u865a\u62df\u673a\u4fdd\u62a4\u5bf9\u6297<\/h1>\n

Python\u5b9a\u5236\u5316\u865a\u62df\u673a\u4fdd\u62a4\u539f\u7406<\/h2>\n

Python\u865a\u62df\u673a\u673a\u5236<\/h3>\n

Python\u865a\u62df\u673a\u662fPython\u7f16\u7a0b\u8bed\u8a00\u7684\u6838\u5fc3\u7ec4\u4ef6\uff0c\u4ed6\u8d1f\u8d23\u89e3\u91ca\u548c\u6267\u884cPython\u5b57\u8282\u7801\uff0c\u5373\u865a\u62df\u673a\u9010\u6761\u6267\u884c\u5b57\u8282\u7801\u6307\u4ee4\uff0c\u64cd\u4f5c\u6808\u5e27\u4e2d\u7684\u6570\u636e\u3002<\/p>\n

Python\u7f16\u8bd1\u4e4b\u540e\u7684\u5b57\u8282\u7801\u50a8\u5b58\u5728pyc\u6587\u4ef6\u4e2d\uff0cpyc\u6587\u4ef6\u5b9e\u9645\u4e0a\u5c31\u662fPyCodeObject\u5bf9\u8c61\u7684\u5e8f\u5217\u5316\u6587\u672c\u3002<\/p>\n

\u5176\u7ed3\u6784\u4f53\u5b9a\u4e49\u5982\u4e0b\uff1a<\/p>\n

\/* Bytecode object *\/\ntypedef struct {\n   PyObject_HEAD\n   int co_argcount;            \/* Code Block\u7684\u4f4d\u7f6e\u53c2\u6570\u4e2a\u6570\uff0c\u6bd4\u5982\u8bf4\u4e00\u4e2a\u51fd\u6570\u7684\u4f4d\u7f6e\u53c2\u6570\u4e2a\u6570*\/\n   int co_nlocals;             \/* Code Block\u4e2d\u5c40\u90e8\u53d8\u91cf\u7684\u4e2a\u6570\uff0c\u5305\u62ec\u5176\u4e2d\u4f4d\u7f6e\u53c2\u6570\u7684\u4e2a\u6570 *\/\n   int co_stacksize;           \/* \u6267\u884c\u8be5\u6bb5Code Block\u9700\u8981\u7684\u6808\u7a7a\u95f4 *\/\n   int co_flags;               \/* CO_..., see below *\/\n   PyObject *co_code;          \/* Code Block\u7f16\u8bd1\u6240\u5f97\u7684\u5b57\u8282\u7801\u6307\u4ee4\u5e8f\u5217\u3002\u4ee5PyStingObjet\u7684\u5f62\u5f0f\u5b58\u5728 *\/\n   PyObject *co_consts;        \/* PyTupleObject\u5bf9\u8c61\uff0c\u4fdd\u5b58CodeBlock\u4e2d\u7684\u6240\u5e38\u91cf *\/\n   PyObject *co_names;         \/* PyTupleObject\u5bf9\u8c61\uff0c\u4fdd\u5b58CodeBlock\u4e2d\u7684\u6240\u6709\u7b26\u53f7 *\/\n   PyObject *co_varnames;      \/* Code Block\u4e2d\u7684\u5c40\u90e8\u53d8\u91cf\u540d\u96c6\u5408 *\/\n   PyObject *co_freevars;      \/* Python\u5b9e\u73b0\u95ed\u5305\u9700\u8981\u7528\u7684\u4e1c\u897f *\/\n   PyObject *co_cellvars;      \/* Code Block\u4e2d\u5185\u90e8\u5d4c\u5957\u51fd\u6570\u6240\u5f15\u7528\u7684\u5c40\u90e8\u53d8\u91cf\u540d\u96c6\u5408 *\/\n   \/* The rest doesn't count for hash\/cmp *\/\n   PyObject *co_filename;      \/* Code Block\u6240\u5bf9\u5e94\u7684.py\u6587\u4ef6\u7684\u5b8c\u6574\u8def\u5f84 *\/\n   PyObject *co_name;          \/* Code Block\u7684\u540d\u5b57\uff0c\u901a\u5e38\u662f\u51fd\u6570\u540d\u6216\u7c7b\u540d *\/\n   int co_firstlineno;         \/* Code Block\u5728\u5bf9\u5e94\u7684.py\u6587\u4ef6\u4e2d\u8d77\u59cb\u884c *\/\n   PyObject *co_lnotab;        \/* \u5b57\u8282\u7801\u6307\u4ee4\u4e0e.py\u6587\u4ef6\u4e2dsource code\u884c\u53f7\u7684\u5bf9\u5e94\u5173\u7cfb\uff0c\u4ee5PyStringObject\u7684\u5f62\u5f0f\u5b58\u5728 *\/\n   void *co_zombieframe;     \/* for optimization only (see frameobject.c) *\/\n} PyCodeObject;<\/code><\/pre>\n
\u5176\u4e2dco_code\u5b57\u6bb5\u5219\u4e3aPython\u7f16\u8bd1\u6240\u5f97\u7684\u5b57\u8282\u7801\u6307\u4ee4\u5e8f\u5217\uff0c\u53cd\u7f16\u8bd1\u5de5\u4f5c\u4e3b\u8981\u4e5f\u662f\u9488\u5bf9\u8fd9\u4e2a\u5e8f\u5217\u8bc6\u522b\u540e\u7eed\u6839\u636eAST\u8fdb\u884c\u4ee3\u7801\u8fd8\u539f\u3002<\/p>\n
\u4fdd\u62a4\u5b9e\u73b0<\/h3>\n
\u65e2\u7136\u8981\u4fdd\u62a4co_code\uff0c\u89c2\u5bdfPython\u6e90\u7801\u53ef\u4ee5\u53d1\u73b0\u6e90\u7801\u4e2d\u7684opcode.py\u6587\u4ef6\uff08Python-3.8.5\\Lib\\opcode.py\uff09<\/p>\n
\"file\"<\/div><\/p>\n
Python-3.8.5\\Include\\opcode.h \u5219\u7531\u5176\u751f\u6210\uff0c\u663e\u7136\u6211\u4eec\u53ea\u9700\u8981\u4fee\u6539\u5176\u4e2d\u5b57\u8282\u7801\u7684\u6620\u5c04\u5173\u7cfb\u5373\u53ef\u8d77\u5230\u5bf9\u6297\u5e38\u89c4\u53cd\u7f16\u8bd1\u5668\u7684\u4f5c\u7528\uff0c\u8fd9\u91cc\u63a2\u8ba8\u5bf9\u6297\u5b9a\u5236\u5316\u865a\u62df\u673a\u4fdd\u62a4\u673a\u5236\uff0c\u5982\u4f55\u4fee\u6539\u7f16\u8bd1\u5219\u4e0d\u7ec6\u8bb2\u3002<\/p>\n
Python\u5b9a\u5236\u5316\u865a\u62df\u673a\u5bf9\u6297\u8fc7\u7a0b<\/h2>\n
\u5b9a\u5236\u5316\u865a\u62df\u673a\u90e8\u7f72\u4ee3\u7801\u573a\u666f<\/h3>\n
\u65e2\u7136\u5bf9\u4ee3\u7801\u4f7f\u7528\u5b9a\u5236\u5316\u7684\u865a\u62df\u673a\u7f16\u8bd1\u6210pyc\u6587\u4ef6\u90a3\u4e48\u8be5pyc\u6587\u4ef6\u663e\u7136\u65e0\u6cd5\u901a\u8fc7\u6b63\u5e38\u7684python\u865a\u62df\u673a\u6240\u89e3\u91ca\u6267\u884c\uff0c\u56e0\u6b64\u901a\u5e38\u9700\u8981\u5c06\u5b9a\u5236\u5316\u7684\u865a\u62df\u673a\u4e0e\u4ea7\u54c1\u7684pyc\u4ee3\u7801\u4e00\u8d77\u6253\u5305\u53d1\u7248\uff0c\u8fd9\u610f\u5473\u7740\u7528\u6237\u53ef\u4ee5\u4f7f\u7528\u6211\u4eec\u7684Python\u865a\u62df\u673a\u6267\u884c\u4efb\u4f55py\u4ee3\u7801\u3002<\/p>\n
\u5b9a\u5236\u5316\u865a\u62df\u673a\u5b57\u8282\u7801\u81ea\u5410<\/h3>\n
\u4e0a\u6587\u8bf4\u5230\u65e2\u7136\u5b9a\u5236\u5316\u7684\u865a\u62df\u673a\u4e5f\u9700\u8981\u4e00\u8d77\u4ea4\u4ed8\uff0c\u90a3\u4e48\u7528\u6237\u4fbf\u53ef\u4ee5\u62ff\u5b9a\u5236\u5316\u865a\u62df\u673a\u6267\u884c\u4e00\u4e9b\u201c\u6076\u610f\u201d\u7684\u4ee3\u7801\u3002<\/p>\n
\u4ee5\u7f16\u8bd1\u597d\u7684python_360\u4e3a\u4f8b\uff0c\u9996\u5148\u6211\u4eec\u5199\u4e00\u4e2a\u7b80\u5355\u7684python\u4ee3\u7801\uff1a<\/p>\n
s = '360'\ni = 10\n\ndef func():\n   print ('hello 360')\n   ss = 'halo 360'\n   return ss\ns2 = func()\nprint (s2)<\/code><\/pre>\n
\u4f7f\u7528\u7f16\u8bd1\u597d\u7684python3.6\u8fd0\u884c\uff1a<\/p>\n
\"file\"<\/div><\/p>\n
\u518d\u4f7f\u7528py_compile\u8fdb\u884c\u7f16\u8bd1<\/p>\n
.\/python3.6 -m py_compile test.py<\/code><\/pre>\n
\u6211\u4eec\u5c31\u53ef\u4ee5\u83b7\u53d6\u7f16\u8bd1\u597d\u7684pyc\u4e86<\/p>\n
\"file\"<\/div><\/p>\n
\u663e\u7136\u8be5pyc\u662f\u65e0\u6cd5\u4f7f\u7528\u5e38\u89c4\u7684\u53cd\u7f16\u8bd1\u5de5\u5177\u53cd\u7f16\u8bd1\u7684\uff0c\u4f8b\u5982uncompyle6\uff1a<\/p>\n
\"file\"<\/div><\/p>\n
\u65e0\u6cd5\u89e3\u6790opcode\u95ee\u9898\u3002<\/p>\n
\u4f46\u524d\u6587\u63d0\u5230\u8fc7\u6211\u4eec\u53ef\u4ee5\u5229\u7528\u8be5python\u865a\u62df\u673a\u6267\u884c\u81ea\u5df1\u7f16\u5199\u7684python\u4ee3\u7801\u65e2\u7136\u5982\u6b64\u8fd9\u6837\u5c31\u51fa\u73b0\u4e86\u4e00\u4e2a\u5f88\u7206\u70b8\u7684\u6a21\u5757:dis\u6a21\u5757\uff0c\u5b83\u53ef\u4ee5\u5c06 Python \u6e90\u4ee3\u7801\u7f16\u8bd1\u540e\u7684\u5b57\u8282\u7801\u6307\u4ee4\u4ee5\u53ef\u8bfb\u7684\u5f62\u5f0f\u5c55\u793a\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u6df1\u5165\u7406\u89e3\u4ee3\u7801\u7684\u5e95\u5c42\u6267\u884c\u903b\u8f91\uff0c\u4ece\u800c\u4f18\u5316\u6027\u80fd\u6216\u8c03\u8bd5\u95ee\u9898\u3002<\/p>\n
\u90a3\u6211\u4eec\u5c1d\u8bd5\u4f7f\u7528dis\u6a21\u5757\u89e3\u6790\u7f16\u8bd1\u597d\u7684\u8fd9\u4e2apyc\u6587\u4ef6\u3002<\/p>\n
import marshal\nimport dis\n\nwith open('__pycache__\/test.cpython-36.pyc', 'rb') as f:\n    f.read(12) #\u8df3\u8fc7\u6587\u4ef6\u4fe1\u606f\n    code = marshal.load(f)\n\ndis.dis(code)\n<\/code><\/pre>\n
\u6211\u4eec\u5f97\u5230\u5982\u4e0b\u8f93\u51fa\uff1a<\/p>\n
\"file\"<\/div><\/p>\n
\u53cd\u5e8f\u5217\u5316\u89e3\u6790\u6210\u529f\u4e86\uff0c\u6b64\u65f6\u5176\u5b9e\u5df2\u7ecf\u53ef\u4ee5\u901a\u8fc7AI\u5de5\u5177\u8fd8\u539f\u6e90\u7801\u4e86<\/p>\n
\"file\"<\/div><\/p>\n
\"file\"<\/div><\/p>\n
\"file\"<\/div><\/p>\n
\"file\"<\/div><\/p>\n
\u7ecf\u8fc7\u5bf9\u6bd4\u4e0e\u6e90\u7801\u4e00\u81f4\u3002<\/p>\n
\u90a3\u4e48\u65e2\u7136\u53ef\u4ee5\u8fd0\u884cdis.dis\u6765\u89e3\u6790\u8fd9\u4e2a\u4ee3\u7801\uff0c\u6709\u6ca1\u6709\u66f4\u4f18\u96c5\u7684\u65b9\u6cd5\u5462\uff1f <\/p>\n
\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7dis\u4e2dopmap\u5b57\u6bb5\u6765\u6253\u5370\u6574\u4e2a\u6620\u5c04\u5173\u7cfb<\/p>\n
import dis as dis\nprint(dis.opmap)<\/code><\/pre>\n
\"file\"<\/div><\/p>\n
\u4e0d\u96be\u53d1\u73b0\u6240\u6709\u7684\u5b57\u8282\u7801\u6620\u5c04\u5173\u7cfb\u90fd\u76f4\u63a5\u88ab\u8f93\u51fa\u4e86\u3002<\/p>\n
\u5b9a\u5236\u5316\u53cd\u7f16\u8bd1\u5de5\u5177<\/h3>\n
\u672c\u6b65\u9aa4\u91c7\u7528\u5f00\u6e90\u5de5\u5177PYCDC zrax\/pycdc: C++ python bytecode disassembler and decompiler (github.com)<\/a><\/p>\n
\"file\"<\/div><\/p>\n
\u6211\u4eec\u53ea\u9700\u8981\u6839\u636e\u524d\u9762\u83b7\u53d6\u7684\u6620\u5c04\u4fee\u6539\u6b64\u5904\u7684\u6620\u5c04\u5373\u53ef\u3002<\/p>\n
\u63a5\u4e0b\u6765\u505a\u4e00\u4e2a\u683c\u5f0f\u5316\u8f93\u51fa\u5b57\u8282\u7801\u7684\u811a\u672c\uff1a<\/p>\n
import sys\ntry:\n    import opcode\nexcept ImportError:\n    try:\n        import dis as opcode\n    except ImportError:\n\n        sys.stderr.write("Error: \u65e0\u6cd5\u5bfc\u5165 opcode \u6216 dis \u6a21\u5757\uff0c\u8bf7\u7528\u5176\u5b83\u65b9\u5f0f\u63d0\u53d6\u5b57\u8282\u7801\u6620\u5c04\u3002\\n")\n        sys.exit(1)\n\nprint("BEGIN_MAP(3, 6)")\n\nseen = set()\n\nfor op_val, opname in enumerate(opcode.opname):\n    if not opname:\n        continue\n\n    if opname.startswith("<") and opname.endswith(">"):\n        continue\n\n    # \u907f\u514d\u91cd\u590d\u8f93\u51fa\n    if op_val in seen:\n        continue\n\n    # \u8f93\u51fa\u4e00\u884c\n    if op_val >= 90:\n        print(f"    MAP_OP({op_val}, {opname}_A)")\n    else:\n        print(f"    MAP_OP({op_val}, {opname})")\n    seen.add(op_val)\n\n# \u7b2c\u4e8c\u8f6e\uff1a\u904d\u5386 opcode.opmap\uff08name\u2192value\uff09\uff0c\u628a\u4e0a\u9762\u6ca1\u8f93\u51fa\u5230\u7684\u4e5f\u8865\u4e0a\nfor name, op_val in opcode.opmap.items():\n    if op_val in seen:\n        continue\n    # \u540c\u6837\u8df3\u8fc7\u5360\u4f4d\u7b26\/\u4f2a\u6307\u4ee4\n    if name.startswith("<") and name.endswith(">"):\n        continue\n\n    if op_val >= 90:\n        print(f"    MAP_OP({op_val}, {opname}_A)")\n    else:\n        print(f"    MAP_OP({op_val}, {opname})")\n    seen.add(op_val)\n\nprint("END_MAP()")\n<\/code><\/pre>\n
\"file\"<\/div><\/p>\n
\u4fee\u6539python_3_6.cpp<\/p>\n
\"file\"<\/div><\/p>\n
\u7136\u540e\u7f16\u8bd1\uff0c\u5373\u53ef\u83b7\u53d6pycdc.exe<\/p>\n
\"file\"<\/div><\/p>\n
\u5373\u53ef\u5b8c\u7f8e\u53cd\u7f16\u8bd1\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Python\u5b9a\u5236\u5316\u865a\u62df\u673a\u4fdd\u62a4\u5bf9\u6297 Python\u5b9a\u5236\u5316\u865a\u62df\u673a\u4fdd\u62a4\u539f\u7406 Python\u865a\u62df\u673a\u673a\u5236 Python\u865a\u62df\u673a […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,6],"tags":[],"class_list":["post-1451","post","type-post","status-publish","format-standard","hentry","category-uncategorized","category-sec"],"_links":{"self":[{"href":"https:\/\/blog.shangwendada.top\/index.php\/wp-json\/wp\/v2\/posts\/1451","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.shangwendada.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.shangwendada.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.shangwendada.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.shangwendada.top\/index.php\/wp-json\/wp\/v2\/comments?post=1451"}],"version-history":[{"count":1,"href":"https:\/\/blog.shangwendada.top\/index.php\/wp-json\/wp\/v2\/posts\/1451\/revisions"}],"predecessor-version":[{"id":1466,"href":"https:\/\/blog.shangwendada.top\/index.php\/wp-json\/wp\/v2\/posts\/1451\/revisions\/1466"}],"wp:attachment":[{"href":"https:\/\/blog.shangwendada.top\/index.php\/wp-json\/wp\/v2\/media?parent=1451"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.shangwendada.top\/index.php\/wp-json\/wp\/v2\/categories?post=1451"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.shangwendada.top\/index.php\/wp-json\/wp\/v2\/tags?post=1451"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}