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port(2P step 3a/3b): stdlib on sys.path + the pack module

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step 3a — 标准库:
  tools/py_embed/make_stdlib_zip.py packs the vendored Lib/ into
  <build>/python27.zip (397 modules, 6876547 bytes, ZIP_STORED — the zlib
  module is trimmed out of our CPython, so zipimport cannot inflate).
  The mtpython_stdlib target builds it; py_embed_test and the launcher test
  both run against it.
  platform/ScriptLib/PythonHost sets the embedding flags before
  Py_Initialize and, after it, puts the zip on sys.path and re-registers
  encodings.search_function with codecs — 2.7 builds the codec registry
  once, at startup, so replacing sys.path afterwards needs it back.

step 3b — pack 模块:
  UserInterface/PythonPackModule.cpp copied verbatim; packExist/packGet/
  initpack read root/ and uiscript/ through CEterPackManager, i.e. through
  asset_io. The CHINA_CRYPT_KEY block in that unit is CAccountConnector's
  and is kept #if 0 until the login slice (2V1). UserInterface/StdAfx.h is
  a documented partial mirror — the original is the whole client's PCH.

The launcher test now runs initpack() as RunMainScript does (its first
line), reads system.py / uiscript / locale text back out of the packs, and
confirms cp1252 decoding works off the zip. system.py still stops at
"No module named app" — the C++ modules are the 2V0 slice.

gates: port_map.py check 0 errors · key leak check 8/8 none · macOS ctest
27/27 · android + ios port_platform compile clean.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
This commit is contained in:
shenlei
2026-09-23 09:16:37 +09:00
co-authored by Claude Opus 5
parent 43bb561551
commit 2b873f190f
13 changed files with 414 additions and 17 deletions
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extension/third_party/cpython-2.7.18/CMakeLists.txt
Vendored
+13
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@@ -209,3 +209,16 @@ endif()
find_package(Threads REQUIRED)
target_link_libraries(mtpython PUBLIC Threads::Threads m)
add_library(mt3p::python ALIAS mtpython)
# --- the stdlib the host puts on sys.path (批次 2P step 3) ---
# Built from the same vendored Lib/, so the interpreter and its library always match. MT_PYTHON_STDLIB_ZIP
# is where every consumer (the native tests now, the mobile staging in step 3c) picks it up.
find_package(Python3 COMPONENTS Interpreter REQUIRED)
set(MT_PYTHON_STDLIB_ZIP "${CMAKE_BINARY_DIR}/python27.zip" CACHE INTERNAL "stdlib zip for the embedded interpreter")
file(GLOB_RECURSE MT_PYTHON_STDLIB_SOURCES CONFIGURE_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/Lib/*.py")
add_custom_command(OUTPUT "${MT_PYTHON_STDLIB_ZIP}"
COMMAND ${Python3_EXECUTABLE} "${CMAKE_SOURCE_DIR}/tools/py_embed/make_stdlib_zip.py"
"${CMAKE_CURRENT_SOURCE_DIR}/Lib" "${MT_PYTHON_STDLIB_ZIP}"
DEPENDS "${CMAKE_SOURCE_DIR}/tools/py_embed/make_stdlib_zip.py" ${MT_PYTHON_STDLIB_SOURCES}
COMMENT "Packing python27.zip from the vendored Lib/")
add_custom_target(mtpython_stdlib ALL DEPENDS "${MT_PYTHON_STDLIB_ZIP}")