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spike(python): CPython 2.7.18 runs the 40250 root scripts on Android arm64

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libpython2.7.a cross-builds with NDK 27.2 (API 24) after disabling
HAVE_LANGINFO_H; 30 C modules built in. On a OnePlus 13 (API 36) the
harness runs system.py -> prototype.RunApp() and imports the root modules
with results identical to macOS (66/74; the 8 failures are stub values or
dev-only scripts). py_embed_spike.py now isolates __main__ like
CPythonLauncher and reports stdlib usage.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
This commit is contained in:
shenlei
2026-09-22 18:16:44 +09:00
co-authored by Claude Opus 5
parent 9d0e50de8f
commit b02c49bb2f
4 changed files with 151 additions and 24 deletions
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.agents/skills/metin2-40250-parity-audit/scripts/py_embed_spike.py
+33 -11
View File
@@ -8,11 +8,15 @@ py_embed_spike.txt); system.py redirects stdout, so nothing useful is printed.
python2.7 py_embed_spike.py [--out FILE] (reference root: MT_40250_SOURCE or audit manifest)
"""
import sys, types, os, glob, traceback, json
HERE = os.path.dirname(os.path.abspath(__file__))
REPO = os.path.abspath(os.path.join(HERE, "../../../.."))
_ref = os.environ.get("MT_40250_SOURCE") or json.load(open(os.path.join(REPO, "audit/manifest.json")))["reference_root"]
E = os.path.normpath(os.path.join(REPO, _ref, "../../Client/Eternexus"))
import sys, types, os, glob, traceback
if os.environ.get("MT_ETERNEXUS"): # on-device run: Eternexus tree pushed next to the binary
E = os.environ["MT_ETERNEXUS"]
else:
HERE = os.path.dirname(os.path.abspath(__file__))
REPO = os.path.abspath(os.path.join(HERE, "../../../.."))
import json
_ref = os.environ.get("MT_40250_SOURCE") or json.load(open(os.path.join(REPO, "audit/manifest.json")))["reference_root"]
E = str(os.path.normpath(os.path.join(REPO, _ref, "../../Client/Eternexus"))) # json gives unicode
OUT = sys.argv[sys.argv.index("--out") + 1] if "--out" in sys.argv else "py_embed_spike.txt"
FILES = {}
for p in glob.glob(E + "/root/*"): FILES[os.path.basename(p).lower()] = p
@@ -48,7 +52,11 @@ for k, v in STR.items():
setattr(sys.modules[m], f, (lambda v: lambda *a: v)(v))
import __builtin__
__builtin__.TRUE = 1; __builtin__.FALSE = 0 # CPythonLauncher::Create
import __main__
# A fresh __main__ like CPythonLauncher::Create (whose __builtins__ is the module, not a dict);
# system.py and prototype.py exec into it, so they must not share this script's globals.
__main__ = types.ModuleType("__main__")
__main__.__builtins__ = __builtin__
sys.modules["__main__"] = __main__
__main__.__DEBUG__ = 0
__main__.__COMMAND_LINE__ = ""
src = pack.Get("system.py")
@@ -56,6 +64,7 @@ try:
exec compile(src, "system.py", "exec") in __main__.__dict__
except BaseException:
LOG.write("system.py raised:\n" + traceback.format_exc())
sys.stdout, sys.stderr = sys.__stdout__, sys.__stderr__ # system.py redirects both to dbg
ok, bad = [], []
_pimp = __main__.__dict__["__pack_import"]
for name in sorted(FILES):
@@ -66,9 +75,22 @@ for name in sorted(FILES):
try:
_pimp(mod); ok.append(mod)
except BaseException as e:
bad.append((mod, "%s: %s" % (type(e).__name__, str(e)[:100])))
LOG.write("modules loaded %d, failed %d\n" % (len(ok), len(bad)))
for m, e in bad: LOG.write(" FAIL %s %s\n" % (m, e))
LOG.write("native functions called during bootstrap: %d\n" % len(MISSING))
LOG.write(" " + " ".join(sorted(MISSING)) + "\n")
bad.append((mod, "%s: %s" % (type(e).__name__, repr(e.args)[:100])))
try:
LOG.write("modules loaded %d, failed %d\n" % (len(ok), len(bad)))
for m, e in bad: LOG.write(" FAIL %s %s\n" % (m, e))
LOG.write("native functions called during bootstrap: %d\n" % len(MISSING))
LOG.write(" " + " ".join(sorted(MISSING)) + "\n")
std = []
for name, m in sorted(sys.modules.items()):
if m is None or name in NATIVE or name in ("pack", "__main__"): continue
try: f = m.__dict__.get("__file__")
except Exception: continue
if not isinstance(f, str) and f is not None: continue
if f is None: std.append("builtin:" + name)
elif f.endswith(".so"): std.append("ext:" + name)
elif not f.startswith(E) and not f.startswith("<"): std.append("py:" + name)
LOG.write("stdlib modules in use: " + " ".join(std) + "\n")
except BaseException:
LOG.write("report failed:\n" + traceback.format_exc())
LOG.close()