backends Namespace Reference

Functions
	get_list (cmdname)
	get_value_from_target_conf (str target, str key)
	search_driver (driver)

Function Documentation

get_list()

backends.get_list

(

cmdname

)

Definition at line 58 of file backends.py.

def get_list(cmdname):
    dir_path = os.path.dirname(os.path.realpath(__file__))
    backend_set = set()
 
    # bin folder
    files = [f for f in glob.glob(dir_path + '/../' + cmdname)]
    # backends folder
    files += [
        f for f in glob.glob(dir_path + '/../../backends/**/' + cmdname, recursive=True)
    ]
    # TODO find backends in `$PATH`
 
    backends_list = []
    for cand in files:
        base = ntpath.basename(cand)
        if (not base in backend_set) and os.path.isfile(cand) and os.access(
                cand, os.X_OK):
            backend_set.add(base)
            backends_list.append(cand)
 
    return backends_list
 
 

Referenced by argumentparse.ArgumentParser.print_help().

get_value_from_target_conf()

backends.get_value_from_target_conf	(	str	target,
		str	key
	)

Definition at line 81 of file backends.py.

def get_value_from_target_conf(target: str, key: str):
    dir_path = os.path.dirname(os.path.realpath(__file__))
    target_conf_path = dir_path + f'/../../target/{target}.ini'
    if not os.path.isfile(target_conf_path):
        raise FileNotFoundError(f"Not found given target configuration: {target}")
 
    # target config doesn't have section.
    # but, configparser needs configs to have one or more sections.
    DUMMY_SECTION = 'dummy_section'
    with open(target_conf_path, 'r') as f:
        config_str = f'[{DUMMY_SECTION}]\n' + f.read()
    parser = oneutils.get_config_parser()
    parser.read_string(config_str)
    assert parser.has_section(DUMMY_SECTION)
 
    # Check if target file is valid
    TARGET_KEY = 'TARGET'
    assert TARGET_KEY in parser[DUMMY_SECTION]
    if target != parser[DUMMY_SECTION][TARGET_KEY]:
        raise RuntimeError("Invalid target file.")
 
    if key in parser[DUMMY_SECTION]:
        return parser[DUMMY_SECTION][key]
 
    raise RuntimeError(f"Not found '{key}' key in target configuration.")
 
 

search_driver()

backends.search_driver

(

driver

)

Definition at line 108 of file backends.py.

def search_driver(driver):
    dir_path = os.path.dirname(os.path.realpath(__file__))
 
    # CASE 1: one/bin/{driver} is found
    driver_path = dir_path + '/../' + driver
    if os.path.isfile(driver_path) and os.access(driver_path, os.X_OK):
        return driver_path
 
    # CASE 2: one/backends/**/bin/{driver} is found
    for driver_path in glob.glob(dir_path + '/../../backends/**/bin/' + driver,
                                 recursive=True):
        if os.path.isfile(driver_path) and os.access(driver_path, os.X_OK):
            return driver_path
 
    # CASE 3: {driver} is found in nowhere
    return None