def test_fstatat(tmpdir):
tmpdir.join('file').write('text')
dirfd = os.open(str(tmpdir), os.O_RDONLY)
try:
result = rposix_stat.fstatat('file', dir_fd=dirfd, follow_symlinks=False)
finally:
os.close(dirfd)
assert result.st_atime == tmpdir.join('file').atime()
def test_fstatat(tmpdir):
tmpdir.join('file').write('text')
dirfd = os.open(str(tmpdir), os.O_RDONLY)
try:
result = rposix_stat.fstatat('file', dir_fd=dirfd, follow_symlinks=False)
finally:
os.close(dirfd)
assert result.st_atime == tmpdir.join('file').atime()
def get_stat(self):
"""Get the stat() of the direntry. This is implemented in
such a way that it won't do both a stat() and a lstat().
"""
if (self.flags & FLAG_STAT) == 0:
# We don't have the 'd_stat'. If the known_type says the
# direntry is not a DT_LNK, then try to get and cache the
# 'd_lstat' instead. Then, or if we already have a
# 'd_lstat' from before, *and* if the 'd_lstat' is not a
# S_ISLNK, we can reuse it unchanged for 'd_stat'.
#
# Note how, in the common case where the known_type says
# it is a DT_REG or DT_DIR, then we call and cache lstat()
# and that's it. Also note that in a d_type-less OS or on
# a filesystem that always answer DT_UNKNOWN, this method
# will instead only call at most stat(), but not cache it
# as 'd_lstat'.
known_type = self.flags & 255
if (known_type != rposix_scandir.DT_UNKNOWN
and known_type != rposix_scandir.DT_LNK):
self.get_lstat() # fill the 'd_lstat' cache
have_lstat = True
else:
have_lstat = (self.flags & FLAG_LSTAT) != 0
if have_lstat:
# We have the lstat() but not the stat(). They are
# the same, unless the 'd_lstat' is a S_IFLNK.
must_call_stat = stat.S_ISLNK(self.d_lstat.st_mode)
else:
must_call_stat = True
if must_call_stat:
# Must call stat(). Try to use fstatat() if possible
dirfd = self.scandir_iterator.dirfd
if dirfd != -1 and rposix.HAVE_FSTATAT:
st = rposix_stat.fstatat(self.name,
dirfd,
follow_symlinks=True)
else:
path = self.space.fsencode_w(self.fget_path(
self.space))
st = rposix_stat.stat(path)
else:
st = self.d_lstat
self.d_stat = st
self.flags |= FLAG_STAT
return self.d_stat
def get_lstat(self):
"""Get the lstat() of the direntry."""
if (self.flags & FLAG_LSTAT) == 0:
# Unlike CPython, try to use fstatat() if possible
dirfd = self.scandir_iterator.dirfd
if rposix.HAVE_FSTATAT and dirfd != -1:
st = rposix_stat.fstatat(self.name,
dirfd,
follow_symlinks=False)
else:
path = self.space.fsencode_w(self.fget_path(self.space))
st = rposix_stat.lstat(path)
self.d_lstat = st
self.flags |= FLAG_LSTAT
return self.d_lstat
