def identify_home_dir(cls):
for record in inspect.stack():
(frame, filename, lineno, code_ctx, _, index) = record
path = path_utils.dirname(path_utils.abspath(filename))
home_dir = cls.find_home_dir(path)
if home_dir:
return home_dir
return cls.find_home_dir(path_utils.realpath(os.curdir)) or os.getcwd()
def find_home_dir(cls, path):
"""Finds top directory of an application by a given path and returns home
path. Returns `None` if home direcotry cannot be identified.
:param path: Path to directory.
:returns: Path as string or `None`.
"""
if not typecheck.is_string(path):
raise TypeError("'path' must be a string")
elif not len(path):
raise TypeError("'path' is empty")
path = path_utils.realpath(path)
if path_utils.isfile(path):
(path, _) = path_utils.split(path)
while path is not os.sep:
if os.path.exists(path) and os.path.isdir(path):
if cls.is_home_dir(path):
return path
(path, _) = path_utils.split(path)
return None
