diff options
Diffstat (limited to 'Lib/os.py')
| -rw-r--r-- | Lib/os.py | 70 |
1 files changed, 3 insertions, 67 deletions
@@ -343,12 +343,9 @@ def walk(top, topdown=True, onerror=None, followlinks=False): # minor reason when (say) a thousand readable directories are still # left to visit. That logic is copied here. try: - if name == 'nt' and isinstance(top, bytes): - scandir_it = _dummy_scandir(top) - else: - # Note that scandir is global in this module due - # to earlier import-*. - scandir_it = scandir(top) + # Note that scandir is global in this module due + # to earlier import-*. + scandir_it = scandir(top) except OSError as error: if onerror is not None: onerror(error) @@ -417,67 +414,6 @@ def walk(top, topdown=True, onerror=None, followlinks=False): # Yield after recursion if going bottom up yield top, dirs, nondirs -class _DummyDirEntry: - """Dummy implementation of DirEntry - - Only used internally by os.walk(bytes). Since os.walk() doesn't need the - follow_symlinks parameter: don't implement it, always follow symbolic - links. - """ - - def __init__(self, dir, name): - self.name = name - self.path = path.join(dir, name) - # Mimick FindFirstFile/FindNextFile: we should get file attributes - # while iterating on a directory - self._stat = None - self._lstat = None - try: - self.stat(follow_symlinks=False) - except OSError: - pass - - def stat(self, *, follow_symlinks=True): - if follow_symlinks: - if self._stat is None: - self._stat = stat(self.path) - return self._stat - else: - if self._lstat is None: - self._lstat = stat(self.path, follow_symlinks=False) - return self._lstat - - def is_dir(self): - if self._lstat is not None and not self.is_symlink(): - # use the cache lstat - stat = self.stat(follow_symlinks=False) - return st.S_ISDIR(stat.st_mode) - - stat = self.stat() - return st.S_ISDIR(stat.st_mode) - - def is_symlink(self): - stat = self.stat(follow_symlinks=False) - return st.S_ISLNK(stat.st_mode) - -class _dummy_scandir: - # listdir-based implementation for bytes patches on Windows - def __init__(self, dir): - self.dir = dir - self.it = iter(listdir(dir)) - - def __iter__(self): - return self - - def __next__(self): - return _DummyDirEntry(self.dir, next(self.it)) - - def __enter__(self): - return self - - def __exit__(self, *args): - self.it = iter(()) - __all__.append("walk") if {open, stat} <= supports_dir_fd and {listdir, stat} <= supports_fd: |