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port 2P step 1: vendor CPython 2.7.18 as the mtpython static library

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The embedded 40250 script layer needs its own interpreter on five platforms.
2.7 is end-of-life, so nothing can be fetched from the target SDKs and the
source is vendored (official 2.7.18 tarball, trimmed to 25MB; Lib/ stays for
step 3's python27.zip).

cpython-2.7.18/CMakeLists.txt builds one `mtpython` static library from exactly
the 133 objects the reference libpython2.7.a contains, off by default behind
-DMTGODOT_EMBED_PYTHON=ON. The source list and the built-in module table
(config/config.c, 39 entries) are shared; pyconfig.h is a probe result and is
not, so each platform keeps its own under config/<platform>/, regenerated by
tools/py_embed/gen_pyconfig.sh and checked against the shared table.

Three vendor patches, documented in docs/THIRD-PARTY.md: configure/configure.ac
learn arm64 on macOS, and posixmodule.c undefines the process-control calls it
hard-defines past pyconfig.h when building for iOS.

macOS (ctest python.embed: every builtin imports, codecs and pickle work off the
vendored Lib/), Android arm64 and iOS arm64 build. Linux needs a Linux host and
Windows needs a MinGW-vs-MSVC decision; both are noted for step 4.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
This commit is contained in:
shenlei
2026-09-23 08:27:35 +09:00
co-authored by Claude Opus 5
parent a9b31dec67
commit 5fad769ee8
1018 changed files with 652582 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files
extension/third_party/cpython-2.7.18/PC/errmap.h
Vendored
+78
View File
@@ -0,0 +1,78 @@
/* Generated file. Do not edit. */
int winerror_to_errno(int winerror)
{
switch(winerror) {
case 2: return 2;
case 3: return 2;
case 4: return 24;
case 5: return 13;
case 6: return 9;
case 7: return 12;
case 8: return 12;
case 9: return 12;
case 10: return 7;
case 11: return 8;
case 15: return 2;
case 16: return 13;
case 17: return 18;
case 18: return 2;
case 19: return 13;
case 20: return 13;
case 21: return 13;
case 22: return 13;
case 23: return 13;
case 24: return 13;
case 25: return 13;
case 26: return 13;
case 27: return 13;
case 28: return 13;
case 29: return 13;
case 30: return 13;
case 31: return 13;
case 32: return 13;
case 33: return 13;
case 34: return 13;
case 35: return 13;
case 36: return 13;
case 53: return 2;
case 65: return 13;
case 67: return 2;
case 80: return 17;
case 82: return 13;
case 83: return 13;
case 89: return 11;
case 108: return 13;
case 109: return 32;
case 112: return 28;
case 114: return 9;
case 128: return 10;
case 129: return 10;
case 130: return 9;
case 132: return 13;
case 145: return 41;
case 158: return 13;
case 161: return 2;
case 164: return 11;
case 167: return 13;
case 183: return 17;
case 188: return 8;
case 189: return 8;
case 190: return 8;
case 191: return 8;
case 192: return 8;
case 193: return 8;
case 194: return 8;
case 195: return 8;
case 196: return 8;
case 197: return 8;
case 198: return 8;
case 199: return 8;
case 200: return 8;
case 201: return 8;
case 202: return 8;
case 206: return 2;
case 215: return 11;
case 1816: return 12;
default: return EINVAL;
}
}