shenleiandClaude Opus 5
5fad769ee8
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>
101 lines
3.0 KiB
Python
101 lines
3.0 KiB
Python
"""Filename globbing utility."""
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import sys
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import os
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import re
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import fnmatch
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try:
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_unicode = unicode
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except NameError:
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# If Python is built without Unicode support, the unicode type
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# will not exist. Fake one.
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class _unicode(object):
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pass
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__all__ = ["glob", "iglob"]
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def glob(pathname):
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"""Return a list of paths matching a pathname pattern.
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The pattern may contain simple shell-style wildcards a la
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fnmatch. However, unlike fnmatch, filenames starting with a
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dot are special cases that are not matched by '*' and '?'
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patterns.
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"""
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return list(iglob(pathname))
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def iglob(pathname):
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"""Return an iterator which yields the paths matching a pathname pattern.
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The pattern may contain simple shell-style wildcards a la
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fnmatch. However, unlike fnmatch, filenames starting with a
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dot are special cases that are not matched by '*' and '?'
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patterns.
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"""
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dirname, basename = os.path.split(pathname)
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if not has_magic(pathname):
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if basename:
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if os.path.lexists(pathname):
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yield pathname
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else:
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# Patterns ending with a slash should match only directories
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if os.path.isdir(dirname):
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yield pathname
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return
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if not dirname:
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for name in glob1(os.curdir, basename):
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yield name
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return
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# `os.path.split()` returns the argument itself as a dirname if it is a
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# drive or UNC path. Prevent an infinite recursion if a drive or UNC path
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# contains magic characters (i.e. r'\\?\C:').
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if dirname != pathname and has_magic(dirname):
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dirs = iglob(dirname)
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else:
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dirs = [dirname]
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if has_magic(basename):
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glob_in_dir = glob1
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else:
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glob_in_dir = glob0
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for dirname in dirs:
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for name in glob_in_dir(dirname, basename):
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yield os.path.join(dirname, name)
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# These 2 helper functions non-recursively glob inside a literal directory.
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# They return a list of basenames. `glob1` accepts a pattern while `glob0`
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# takes a literal basename (so it only has to check for its existence).
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def glob1(dirname, pattern):
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if not dirname:
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dirname = os.curdir
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if isinstance(pattern, _unicode) and not isinstance(dirname, unicode):
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dirname = unicode(dirname, sys.getfilesystemencoding() or
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sys.getdefaultencoding())
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try:
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names = os.listdir(dirname)
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except os.error:
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return []
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if pattern[0] != '.':
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names = filter(lambda x: x[0] != '.', names)
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return fnmatch.filter(names, pattern)
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def glob0(dirname, basename):
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if basename == '':
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# `os.path.split()` returns an empty basename for paths ending with a
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# directory separator. 'q*x/' should match only directories.
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if os.path.isdir(dirname):
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return [basename]
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else:
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if os.path.lexists(os.path.join(dirname, basename)):
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return [basename]
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return []
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magic_check = re.compile('[*?[]')
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def has_magic(s):
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return magic_check.search(s) is not None
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