Python get parent dir

def get_parent_dir(base_dir, level=1):
    "Get the directory $level levels above $base_dir."
    while level > 0:
        base_dir = os.path.dirname(base_dir)
        level -= 1
    return base_dir 

def get_appleseed_parent_dir_path():
    appleseed_parent_dir = get_appleseed_bin_dir_path()
    while os.path.basename(appleseed_parent_dir) != 'bin':
        appleseed_parent_dir = os.path.dirname(appleseed_parent_dir)
    appleseed_parent_dir = os.path.dirname(appleseed_parent_dir)

    return appleseed_parent_dir 

def get_parent_dir(filepath, level=1):
    '''
    Get parent directory with given return level.
    
    @param filepath: Filepath.
    @param level: Return level, default is 1
    @return: Return parent directory with given return level. 
    '''
    parent_dir = os.path.realpath(filepath)

    while (level > 0):
        parent_dir = os.path.dirname(parent_dir)
        level -= 1

    return parent_dir 

def getParentDir():
        cur_path = SetupPath.getCurrentPath()
        if SetupPath.getDirLevels(cur_path) >= 1:
            return os.path.dirname(cur_path)
        return '' 

def getGrandParentDir():
        cur_path = SetupPath.getCurrentPath()
        if SetupPath.getDirLevels(cur_path) >= 2:
            return os.path.dirname(os.path.dirname(cur_path))
        return '' 

def get_parent_dir(path, child="warhorn"):
    """ This function gets the parent directory of any a specified child folder
    from the given path
    """
    if path.rsplit(os.sep)[-1] == child:
        path = os.path.dirname(path)
    else:
        path = os.path.dirname(path)
        path = get_parent_dir(path, child)
    return path 

def get_nni_installation_parent_dir():
    ''' Find nni installation parent directory
    '''
    def try_installation_path_sequentially(*sitepackages):
        '''Try different installation path sequentially util nni is found.
        Return None if nothing is found
        '''
        def _generate_installation_path(sitepackages_path):
            python_dir = get_python_dir(sitepackages_path)
            entry_file = os.path.join(python_dir, 'nni', 'main.js')
            if os.path.isfile(entry_file):
                return python_dir
            return None

        for sitepackage in sitepackages:
            python_dir = _generate_installation_path(sitepackage)
            if python_dir:
                return python_dir
        return None

    if os.getenv('VIRTUAL_ENV'):
        # if 'virtualenv' package is used, `site` has not attr getsitepackages, so we will instead use VIRTUAL_ENV
        # Note that conda venv will not have VIRTUAL_ENV
        python_dir = os.getenv('VIRTUAL_ENV')
    else:
        python_sitepackage = site.getsitepackages()[0]
        # If system-wide python is used, we will give priority to using `local sitepackage`--"usersitepackages()" given
        # that nni exists there
        if python_sitepackage.startswith('/usr') or python_sitepackage.startswith('/Library'):
            python_dir = try_installation_path_sequentially(site.getusersitepackages(), site.getsitepackages()[0])
        else:
            python_dir = try_installation_path_sequentially(site.getsitepackages()[0], site.getusersitepackages())

    return python_dir 

def get_parent_dir(directory):
        """
        Gets the parent directory for give path
        :param directory:
        :return: str
        """
        return os.path.abspath(os.path.join(directory, os.pardir)) 

def get_parent_dir(dir_path):
    dir_path = dir_path.split('/')
    dir_path = dir_path[0:len(dir_path) - 1]
    dir_path = '/'.join(dir_path)
    return dir_path