Linux altar53.supremepanel53.com 4.18.0-553.8.1.lve.el8.x86_64 #1 SMP Thu Jul 4 16:24:39 UTC 2024 x86_64
/ opt/ alt/ python33/ lib64/ python3.3/ |
|
"""Filename globbing utility.""" import os import re import fnmatch __all__ = ["glob", "iglob"] def glob(pathname): """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. """ return list(iglob(pathname)) def iglob(pathname): """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 not has_magic(pathname): if os.path.lexists(pathname): yield pathname return dirname, basename = os.path.split(pathname) if not dirname: for name in glob1(None, basename): yield name 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) else: dirs = [dirname] if has_magic(basename): glob_in_dir = glob1 else: 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 = bytes(os.curdir, 'ASCII') else: dirname = os.curdir try: names = os.listdir(dirname) except os.error: return [] if not _ishidden(pattern): names = [x for x in names if not _ishidden(x)] 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 [] 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 _ishidden(path): return path[0] in ('.', b'.'[0])