def resolvedirof(filename):
try:
filename = rpath.rabspath(filename)
except OSError:
pass
dirname = rpath.rabspath(os.path.join(filename, '..'))
if os.path.islink(filename):
try:
link = readlink_maybe(filename)
except OSError:
pass
else:
return resolvedirof(os.path.join(dirname, link))
return dirname
def find_executable(executable):
"""
Return the absolute path of the executable, by looking into PATH and the
current directory. If it cannot be found, return ''.
"""
if we_are_translated() and IS_WINDOWS and not executable.lower().endswith('.exe'):
executable += '.exe'
if os.sep in executable or (IS_WINDOWS and ':' in executable):
pass # the path is already more than just an executable name
else:
path = os.environ.get('PATH')
if path:
for dir in path.split(os.pathsep):
fn = os.path.join(dir, executable)
if os.path.isfile(fn):
executable = fn
break
executable = rpath.rabspath(executable)
#
# 'sys.executable' should not end up being an non-existing file;
# just use '' in this case. (CPython issue #7774)
if not os.path.isfile(executable):
executable = ''
return executable
def test_rabspath_relative(tmpdir):
tmpdir.chdir()
assert rpath.rabspath('foo') == tmpdir.join('foo')
def test_rabspath_absolute_nt():
curdrive, _ = os.path.splitdrive(os.getcwd())
assert rpath.rabspath('\\foo') == '%s\\foo' % curdrive
def test_rabspath_absolute_posix():
assert rpath.rabspath('/foo') == '/foo'
