def _update_root_dir(self, proposal):
"""Do a bit of validation of the root dir."""
value = proposal['value']
if not os.path.isabs(value):
# If we receive a non-absolute path, make it absolute.
value = os.path.abspath(value)
if not exists(value) or not os.path.isdir(value):
raise TraitError("kernel root dir %r is not a directory" % value)
return value
def _update_root_dir(self, proposal):
"""Do a bit of validation of the root dir."""
value = proposal['value']
if not os.path.isabs(value):
# If we receive a non-absolute path, make it absolute.
value = os.path.abspath(value)
if not exists(value) or not os.path.isdir(value):
raise TraitError("kernel root dir %r is not a directory" % value)
return value
def exists(self, path):
"""Returns True if the path exists, else returns False.
API-style wrapper for os.path.exists
Parameters
----------
path : string
The API path to the file (with '/' as separator)
Returns
-------
exists : bool
Whether the target exists.
"""
path = path.strip('/')
os_path = self._get_os_path(path=path)
return exists(os_path)
