Removed the Requirement to Install Python and NodeJS (Now Bundled with Borealis)
This commit is contained in:
545
Dependencies/Python/Lib/glob.py
vendored
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545
Dependencies/Python/Lib/glob.py
vendored
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@ -0,0 +1,545 @@
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"""Filename globbing utility."""
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import contextlib
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import os
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import re
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import fnmatch
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import functools
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import itertools
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import operator
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import stat
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import sys
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__all__ = ["glob", "iglob", "escape", "translate"]
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def glob(pathname, *, root_dir=None, dir_fd=None, recursive=False,
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include_hidden=False):
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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. 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 by default.
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If `include_hidden` is true, the patterns '*', '?', '**' will match hidden
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directories.
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If `recursive` is true, the pattern '**' will match any files and
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zero or more directories and subdirectories.
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"""
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return list(iglob(pathname, root_dir=root_dir, dir_fd=dir_fd, recursive=recursive,
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include_hidden=include_hidden))
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def iglob(pathname, *, root_dir=None, dir_fd=None, recursive=False,
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include_hidden=False):
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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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If recursive is true, the pattern '**' will match any files and
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zero or more directories and subdirectories.
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"""
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sys.audit("glob.glob", pathname, recursive)
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sys.audit("glob.glob/2", pathname, recursive, root_dir, dir_fd)
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if root_dir is not None:
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root_dir = os.fspath(root_dir)
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else:
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root_dir = pathname[:0]
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it = _iglob(pathname, root_dir, dir_fd, recursive, False,
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include_hidden=include_hidden)
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if not pathname or recursive and _isrecursive(pathname[:2]):
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try:
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s = next(it) # skip empty string
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if s:
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it = itertools.chain((s,), it)
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except StopIteration:
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pass
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return it
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def _iglob(pathname, root_dir, dir_fd, recursive, dironly,
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include_hidden=False):
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dirname, basename = os.path.split(pathname)
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if not has_magic(pathname):
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assert not dironly
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if basename:
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if _lexists(_join(root_dir, pathname), dir_fd):
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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 _isdir(_join(root_dir, dirname), dir_fd):
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yield pathname
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return
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if not dirname:
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if recursive and _isrecursive(basename):
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yield from _glob2(root_dir, basename, dir_fd, dironly,
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include_hidden=include_hidden)
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else:
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yield from _glob1(root_dir, basename, dir_fd, dironly,
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include_hidden=include_hidden)
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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, root_dir, dir_fd, recursive, True,
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include_hidden=include_hidden)
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else:
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dirs = [dirname]
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if has_magic(basename):
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if recursive and _isrecursive(basename):
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glob_in_dir = _glob2
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else:
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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(_join(root_dir, dirname), basename, dir_fd, dironly,
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include_hidden=include_hidden):
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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, dir_fd, dironly, include_hidden=False):
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names = _listdir(dirname, dir_fd, dironly)
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if not (include_hidden or _ishidden(pattern)):
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names = (x for x in names if not _ishidden(x))
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return fnmatch.filter(names, pattern)
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def _glob0(dirname, basename, dir_fd, dironly, include_hidden=False):
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if basename:
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if _lexists(_join(dirname, basename), dir_fd):
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return [basename]
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else:
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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 _isdir(dirname, dir_fd):
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return [basename]
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return []
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_deprecated_function_message = (
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"{name} is deprecated and will be removed in Python {remove}. Use "
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"glob.glob and pass a directory to its root_dir argument instead."
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)
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def glob0(dirname, pattern):
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import warnings
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warnings._deprecated("glob.glob0", _deprecated_function_message, remove=(3, 15))
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return _glob0(dirname, pattern, None, False)
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def glob1(dirname, pattern):
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import warnings
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warnings._deprecated("glob.glob1", _deprecated_function_message, remove=(3, 15))
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return _glob1(dirname, pattern, None, False)
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# This helper function recursively yields relative pathnames inside a literal
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# directory.
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def _glob2(dirname, pattern, dir_fd, dironly, include_hidden=False):
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assert _isrecursive(pattern)
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if not dirname or _isdir(dirname, dir_fd):
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yield pattern[:0]
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yield from _rlistdir(dirname, dir_fd, dironly,
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include_hidden=include_hidden)
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# If dironly is false, yields all file names inside a directory.
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# If dironly is true, yields only directory names.
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def _iterdir(dirname, dir_fd, dironly):
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try:
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fd = None
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fsencode = None
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if dir_fd is not None:
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if dirname:
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fd = arg = os.open(dirname, _dir_open_flags, dir_fd=dir_fd)
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else:
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arg = dir_fd
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if isinstance(dirname, bytes):
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fsencode = os.fsencode
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elif dirname:
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arg = dirname
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elif isinstance(dirname, bytes):
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arg = bytes(os.curdir, 'ASCII')
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else:
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arg = os.curdir
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try:
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with os.scandir(arg) as it:
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for entry in it:
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try:
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if not dironly or entry.is_dir():
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if fsencode is not None:
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yield fsencode(entry.name)
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else:
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yield entry.name
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except OSError:
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pass
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finally:
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if fd is not None:
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os.close(fd)
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except OSError:
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return
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def _listdir(dirname, dir_fd, dironly):
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with contextlib.closing(_iterdir(dirname, dir_fd, dironly)) as it:
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return list(it)
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# Recursively yields relative pathnames inside a literal directory.
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def _rlistdir(dirname, dir_fd, dironly, include_hidden=False):
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names = _listdir(dirname, dir_fd, dironly)
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for x in names:
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if include_hidden or not _ishidden(x):
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yield x
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path = _join(dirname, x) if dirname else x
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for y in _rlistdir(path, dir_fd, dironly,
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include_hidden=include_hidden):
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yield _join(x, y)
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def _lexists(pathname, dir_fd):
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# Same as os.path.lexists(), but with dir_fd
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if dir_fd is None:
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return os.path.lexists(pathname)
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try:
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os.lstat(pathname, dir_fd=dir_fd)
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except (OSError, ValueError):
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return False
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else:
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return True
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def _isdir(pathname, dir_fd):
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# Same as os.path.isdir(), but with dir_fd
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if dir_fd is None:
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return os.path.isdir(pathname)
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try:
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st = os.stat(pathname, dir_fd=dir_fd)
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except (OSError, ValueError):
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return False
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else:
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return stat.S_ISDIR(st.st_mode)
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def _join(dirname, basename):
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# It is common if dirname or basename is empty
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if not dirname or not basename:
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return dirname or basename
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return os.path.join(dirname, basename)
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magic_check = re.compile('([*?[])')
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magic_check_bytes = re.compile(b'([*?[])')
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def has_magic(s):
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if isinstance(s, bytes):
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match = magic_check_bytes.search(s)
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else:
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match = magic_check.search(s)
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return match is not None
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def _ishidden(path):
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return path[0] in ('.', b'.'[0])
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def _isrecursive(pattern):
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if isinstance(pattern, bytes):
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return pattern == b'**'
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else:
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return pattern == '**'
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def escape(pathname):
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"""Escape all special characters.
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"""
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# Escaping is done by wrapping any of "*?[" between square brackets.
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# Metacharacters do not work in the drive part and shouldn't be escaped.
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drive, pathname = os.path.splitdrive(pathname)
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if isinstance(pathname, bytes):
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pathname = magic_check_bytes.sub(br'[\1]', pathname)
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else:
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pathname = magic_check.sub(r'[\1]', pathname)
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return drive + pathname
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_special_parts = ('', '.', '..')
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_dir_open_flags = os.O_RDONLY | getattr(os, 'O_DIRECTORY', 0)
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_no_recurse_symlinks = object()
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def translate(pat, *, recursive=False, include_hidden=False, seps=None):
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"""Translate a pathname with shell wildcards to a regular expression.
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If `recursive` is true, the pattern segment '**' will match any number of
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path segments.
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If `include_hidden` is true, wildcards can match path segments beginning
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with a dot ('.').
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If a sequence of separator characters is given to `seps`, they will be
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used to split the pattern into segments and match path separators. If not
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given, os.path.sep and os.path.altsep (where available) are used.
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"""
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if not seps:
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if os.path.altsep:
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seps = (os.path.sep, os.path.altsep)
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else:
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seps = os.path.sep
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escaped_seps = ''.join(map(re.escape, seps))
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any_sep = f'[{escaped_seps}]' if len(seps) > 1 else escaped_seps
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not_sep = f'[^{escaped_seps}]'
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if include_hidden:
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one_last_segment = f'{not_sep}+'
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one_segment = f'{one_last_segment}{any_sep}'
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any_segments = f'(?:.+{any_sep})?'
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any_last_segments = '.*'
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else:
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one_last_segment = f'[^{escaped_seps}.]{not_sep}*'
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one_segment = f'{one_last_segment}{any_sep}'
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any_segments = f'(?:{one_segment})*'
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any_last_segments = f'{any_segments}(?:{one_last_segment})?'
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results = []
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parts = re.split(any_sep, pat)
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last_part_idx = len(parts) - 1
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for idx, part in enumerate(parts):
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if part == '*':
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results.append(one_segment if idx < last_part_idx else one_last_segment)
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elif recursive and part == '**':
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if idx < last_part_idx:
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if parts[idx + 1] != '**':
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results.append(any_segments)
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else:
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results.append(any_last_segments)
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else:
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if part:
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if not include_hidden and part[0] in '*?':
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results.append(r'(?!\.)')
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results.extend(fnmatch._translate(part, f'{not_sep}*', not_sep))
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if idx < last_part_idx:
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results.append(any_sep)
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res = ''.join(results)
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return fr'(?s:{res})\Z'
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@functools.lru_cache(maxsize=512)
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def _compile_pattern(pat, sep, case_sensitive, recursive=True):
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"""Compile given glob pattern to a re.Pattern object (observing case
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sensitivity)."""
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flags = re.NOFLAG if case_sensitive else re.IGNORECASE
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regex = translate(pat, recursive=recursive, include_hidden=True, seps=sep)
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return re.compile(regex, flags=flags).match
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class _Globber:
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"""Class providing shell-style pattern matching and globbing.
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"""
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def __init__(self, sep, case_sensitive, case_pedantic=False, recursive=False):
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self.sep = sep
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self.case_sensitive = case_sensitive
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self.case_pedantic = case_pedantic
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self.recursive = recursive
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# Low-level methods
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lstat = operator.methodcaller('lstat')
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add_slash = operator.methodcaller('joinpath', '')
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@staticmethod
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def scandir(path):
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"""Emulates os.scandir(), which returns an object that can be used as
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a context manager. This method is called by walk() and glob().
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"""
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return contextlib.nullcontext(path.iterdir())
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@staticmethod
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def concat_path(path, text):
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"""Appends text to the given path.
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"""
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return path.with_segments(path._raw_path + text)
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@staticmethod
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def parse_entry(entry):
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"""Returns the path of an entry yielded from scandir().
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"""
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return entry
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# High-level methods
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def compile(self, pat):
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return _compile_pattern(pat, self.sep, self.case_sensitive, self.recursive)
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def selector(self, parts):
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"""Returns a function that selects from a given path, walking and
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filtering according to the glob-style pattern parts in *parts*.
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"""
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if not parts:
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return self.select_exists
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part = parts.pop()
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if self.recursive and part == '**':
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selector = self.recursive_selector
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elif part in _special_parts:
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selector = self.special_selector
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elif not self.case_pedantic and magic_check.search(part) is None:
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selector = self.literal_selector
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else:
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selector = self.wildcard_selector
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return selector(part, parts)
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def special_selector(self, part, parts):
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"""Returns a function that selects special children of the given path.
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"""
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select_next = self.selector(parts)
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def select_special(path, exists=False):
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path = self.concat_path(self.add_slash(path), part)
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return select_next(path, exists)
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return select_special
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def literal_selector(self, part, parts):
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"""Returns a function that selects a literal descendant of a path.
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"""
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||||
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# Optimization: consume and join any subsequent literal parts here,
|
||||
# rather than leaving them for the next selector. This reduces the
|
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# number of string concatenation operations and calls to add_slash().
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while parts and magic_check.search(parts[-1]) is None:
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part += self.sep + parts.pop()
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|
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select_next = self.selector(parts)
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|
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def select_literal(path, exists=False):
|
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path = self.concat_path(self.add_slash(path), part)
|
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return select_next(path, exists=False)
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return select_literal
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|
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def wildcard_selector(self, part, parts):
|
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"""Returns a function that selects direct children of a given path,
|
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filtering by pattern.
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||||
"""
|
||||
|
||||
match = None if part == '*' else self.compile(part)
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dir_only = bool(parts)
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if dir_only:
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select_next = self.selector(parts)
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def select_wildcard(path, exists=False):
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try:
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# We must close the scandir() object before proceeding to
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# avoid exhausting file descriptors when globbing deep trees.
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with self.scandir(path) as scandir_it:
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entries = list(scandir_it)
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||||
except OSError:
|
||||
pass
|
||||
else:
|
||||
for entry in entries:
|
||||
if match is None or match(entry.name):
|
||||
if dir_only:
|
||||
try:
|
||||
if not entry.is_dir():
|
||||
continue
|
||||
except OSError:
|
||||
continue
|
||||
entry_path = self.parse_entry(entry)
|
||||
if dir_only:
|
||||
yield from select_next(entry_path, exists=True)
|
||||
else:
|
||||
yield entry_path
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||||
return select_wildcard
|
||||
|
||||
def recursive_selector(self, part, parts):
|
||||
"""Returns a function that selects a given path and all its children,
|
||||
recursively, filtering by pattern.
|
||||
"""
|
||||
# Optimization: consume following '**' parts, which have no effect.
|
||||
while parts and parts[-1] == '**':
|
||||
parts.pop()
|
||||
|
||||
# Optimization: consume and join any following non-special parts here,
|
||||
# rather than leaving them for the next selector. They're used to
|
||||
# build a regular expression, which we use to filter the results of
|
||||
# the recursive walk. As a result, non-special pattern segments
|
||||
# following a '**' wildcard don't require additional filesystem access
|
||||
# to expand.
|
||||
follow_symlinks = self.recursive is not _no_recurse_symlinks
|
||||
if follow_symlinks:
|
||||
while parts and parts[-1] not in _special_parts:
|
||||
part += self.sep + parts.pop()
|
||||
|
||||
match = None if part == '**' else self.compile(part)
|
||||
dir_only = bool(parts)
|
||||
select_next = self.selector(parts)
|
||||
|
||||
def select_recursive(path, exists=False):
|
||||
path = self.add_slash(path)
|
||||
match_pos = len(str(path))
|
||||
if match is None or match(str(path), match_pos):
|
||||
yield from select_next(path, exists)
|
||||
stack = [path]
|
||||
while stack:
|
||||
yield from select_recursive_step(stack, match_pos)
|
||||
|
||||
def select_recursive_step(stack, match_pos):
|
||||
path = stack.pop()
|
||||
try:
|
||||
# We must close the scandir() object before proceeding to
|
||||
# avoid exhausting file descriptors when globbing deep trees.
|
||||
with self.scandir(path) as scandir_it:
|
||||
entries = list(scandir_it)
|
||||
except OSError:
|
||||
pass
|
||||
else:
|
||||
for entry in entries:
|
||||
is_dir = False
|
||||
try:
|
||||
if entry.is_dir(follow_symlinks=follow_symlinks):
|
||||
is_dir = True
|
||||
except OSError:
|
||||
pass
|
||||
|
||||
if is_dir or not dir_only:
|
||||
entry_path = self.parse_entry(entry)
|
||||
if match is None or match(str(entry_path), match_pos):
|
||||
if dir_only:
|
||||
yield from select_next(entry_path, exists=True)
|
||||
else:
|
||||
# Optimization: directly yield the path if this is
|
||||
# last pattern part.
|
||||
yield entry_path
|
||||
if is_dir:
|
||||
stack.append(entry_path)
|
||||
|
||||
return select_recursive
|
||||
|
||||
def select_exists(self, path, exists=False):
|
||||
"""Yields the given path, if it exists.
|
||||
"""
|
||||
if exists:
|
||||
# Optimization: this path is already known to exist, e.g. because
|
||||
# it was returned from os.scandir(), so we skip calling lstat().
|
||||
yield path
|
||||
else:
|
||||
try:
|
||||
self.lstat(path)
|
||||
yield path
|
||||
except OSError:
|
||||
pass
|
||||
|
||||
|
||||
class _StringGlobber(_Globber):
|
||||
lstat = staticmethod(os.lstat)
|
||||
scandir = staticmethod(os.scandir)
|
||||
parse_entry = operator.attrgetter('path')
|
||||
concat_path = operator.add
|
||||
|
||||
if os.name == 'nt':
|
||||
@staticmethod
|
||||
def add_slash(pathname):
|
||||
tail = os.path.splitroot(pathname)[2]
|
||||
if not tail or tail[-1] in '\\/':
|
||||
return pathname
|
||||
return f'{pathname}\\'
|
||||
else:
|
||||
@staticmethod
|
||||
def add_slash(pathname):
|
||||
if not pathname or pathname[-1] == '/':
|
||||
return pathname
|
||||
return f'{pathname}/'
|
||||
Reference in New Issue
Block a user