def test_hard_link(self):
path1_real_file = join(self.test_dir, 'path1_real_file')
path2_second_inode = join(self.test_dir, 'path2_second_inode')
touch(path1_real_file)
assert isfile(path1_real_file)
assert not islink(path1_real_file)
link(path1_real_file, path2_second_inode)
assert isfile(path2_second_inode)
assert not islink(path2_second_inode)
path1_stat = os.lstat(path1_real_file)
path2_stat = os.lstat(path2_second_inode)
assert path1_stat.st_ino == path2_stat.st_ino
assert path1_stat.st_nlink == path2_stat.st_nlink
os.unlink(path2_second_inode)
assert not lexists(path2_second_inode)
assert os.lstat(path1_real_file).st_nlink == 1
os.unlink(path1_real_file)
assert not lexists(path1_real_file)
def test_hard_link(self):
path1_real_file = join(self.test_dir, 'path1_real_file')
path2_second_inode = join(self.test_dir, 'path2_second_inode')
touch(path1_real_file)
assert isfile(path1_real_file)
assert not islink(path1_real_file)
link(path1_real_file, path2_second_inode)
assert isfile(path2_second_inode)
assert not islink(path2_second_inode)
path1_stat = os.stat(path1_real_file)
path2_stat = os.stat(path2_second_inode)
assert path1_stat.st_ino == path2_stat.st_ino
assert stat_nlink(path1_real_file) == stat_nlink(path2_second_inode)
os.unlink(path2_second_inode)
assert not lexists(path2_second_inode)
assert stat_nlink(path1_real_file) == 1
os.unlink(path1_real_file)
assert not lexists(path1_real_file)
def _get_temp_prefix(name=None, use_restricted_unicode=False):
tmpdir = tmpdir_in_use or gettempdir()
capable = running_a_python_capable_of_unicode_subprocessing()
if not capable or use_restricted_unicode:
RESTRICTED = UNICODE_CHARACTERS_RESTRICTED
random_unicode = "".join(sample(RESTRICTED, len(RESTRICTED)))
else:
random_unicode = "".join(
sample(UNICODE_CHARACTERS, len(UNICODE_CHARACTERS)))
tmpdir_name = os.environ.get(
"CONDA_TEST_TMPDIR_NAME",
(str(uuid4())[:4] + SPACER_CHARACTER +
random_unicode) if name is None else name,
)
prefix = join(tmpdir, tmpdir_name)
# Exit immediately if we cannot use hardlinks, on Windows, we get permissions errors if we use
# sys.executable so instead use the pdb files.
src = sys.executable.replace(".exe", ".pdb") if on_win else sys.executable
dst = os.path.join(tmpdir, os.path.basename(sys.executable))
try:
link(src, dst)
except (IOError, OSError):
print(
"\nWARNING :: You are testing `conda` with `tmpdir`:-\n {}\n"
" not on the same FS as `sys.prefix`:\n {}\n"
" this will be slow and unlike the majority of end-user installs.\n"
" Please pass `--basetemp=<somewhere-else>` instead.".
format(tmpdir, sys.prefix))
try:
rm_rf(dst)
except Exception as e:
print(e)
pass
return prefix