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Diffstat (limited to 'e/lib/python3.11/site-packages/setuptools/glob.py')
-rw-r--r-- | e/lib/python3.11/site-packages/setuptools/glob.py | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/e/lib/python3.11/site-packages/setuptools/glob.py b/e/lib/python3.11/site-packages/setuptools/glob.py new file mode 100644 index 0000000..87062b8 --- /dev/null +++ b/e/lib/python3.11/site-packages/setuptools/glob.py @@ -0,0 +1,167 @@ +""" +Filename globbing utility. Mostly a copy of `glob` from Python 3.5. + +Changes include: + * `yield from` and PEP3102 `*` removed. + * Hidden files are not ignored. +""" + +import os +import re +import fnmatch + +__all__ = ["glob", "iglob", "escape"] + + +def glob(pathname, recursive=False): + """Return a list of paths matching a pathname pattern. + + The pattern may contain simple shell-style wildcards a la + fnmatch. However, unlike fnmatch, filenames starting with a + dot are special cases that are not matched by '*' and '?' + patterns. + + If recursive is true, the pattern '**' will match any files and + zero or more directories and subdirectories. + """ + return list(iglob(pathname, recursive=recursive)) + + +def iglob(pathname, recursive=False): + """Return an iterator which yields the paths matching a pathname pattern. + + The pattern may contain simple shell-style wildcards a la + fnmatch. However, unlike fnmatch, filenames starting with a + dot are special cases that are not matched by '*' and '?' + patterns. + + If recursive is true, the pattern '**' will match any files and + zero or more directories and subdirectories. + """ + it = _iglob(pathname, recursive) + if recursive and _isrecursive(pathname): + s = next(it) # skip empty string + assert not s + return it + + +def _iglob(pathname, recursive): + dirname, basename = os.path.split(pathname) + glob_in_dir = glob2 if recursive and _isrecursive(basename) else glob1 + + if not has_magic(pathname): + if basename: + if os.path.lexists(pathname): + yield pathname + else: + # Patterns ending with a slash should match only directories + if os.path.isdir(dirname): + yield pathname + return + + if not dirname: + yield from glob_in_dir(dirname, basename) + return + # `os.path.split()` returns the argument itself as a dirname if it is a + # drive or UNC path. Prevent an infinite recursion if a drive or UNC path + # contains magic characters (i.e. r'\\?\C:'). + if dirname != pathname and has_magic(dirname): + dirs = _iglob(dirname, recursive) + else: + dirs = [dirname] + if not has_magic(basename): + glob_in_dir = glob0 + for dirname in dirs: + for name in glob_in_dir(dirname, basename): + yield os.path.join(dirname, name) + + +# These 2 helper functions non-recursively glob inside a literal directory. +# They return a list of basenames. `glob1` accepts a pattern while `glob0` +# takes a literal basename (so it only has to check for its existence). + + +def glob1(dirname, pattern): + if not dirname: + if isinstance(pattern, bytes): + dirname = os.curdir.encode('ASCII') + else: + dirname = os.curdir + try: + names = os.listdir(dirname) + except OSError: + return [] + return fnmatch.filter(names, pattern) + + +def glob0(dirname, basename): + if not basename: + # `os.path.split()` returns an empty basename for paths ending with a + # directory separator. 'q*x/' should match only directories. + if os.path.isdir(dirname): + return [basename] + else: + if os.path.lexists(os.path.join(dirname, basename)): + return [basename] + return [] + + +# This helper function recursively yields relative pathnames inside a literal +# directory. + + +def glob2(dirname, pattern): + assert _isrecursive(pattern) + yield pattern[:0] + for x in _rlistdir(dirname): + yield x + + +# Recursively yields relative pathnames inside a literal directory. +def _rlistdir(dirname): + if not dirname: + if isinstance(dirname, bytes): + dirname = os.curdir.encode('ASCII') + else: + dirname = os.curdir + try: + names = os.listdir(dirname) + except os.error: + return + for x in names: + yield x + path = os.path.join(dirname, x) if dirname else x + for y in _rlistdir(path): + yield os.path.join(x, y) + + +magic_check = re.compile('([*?[])') +magic_check_bytes = re.compile(b'([*?[])') + + +def has_magic(s): + if isinstance(s, bytes): + match = magic_check_bytes.search(s) + else: + match = magic_check.search(s) + return match is not None + + +def _isrecursive(pattern): + if isinstance(pattern, bytes): + return pattern == b'**' + else: + return pattern == '**' + + +def escape(pathname): + """Escape all special characters. + """ + # Escaping is done by wrapping any of "*?[" between square brackets. + # Metacharacters do not work in the drive part and shouldn't be escaped. + drive, pathname = os.path.splitdrive(pathname) + if isinstance(pathname, bytes): + pathname = magic_check_bytes.sub(br'[\1]', pathname) + else: + pathname = magic_check.sub(r'[\1]', pathname) + return drive + pathname |