def set_file_logger(config: ManimConfig, verbosity: str) -> None:
"""Add a file handler to manim logger.
The path to the file is built using ``config.log_dir``.
Parameters
----------
config : :class:`ManimConfig`
The global config, used to determine the log file path.
verbosity : :class:`str`
The verbosity level of the logger.
Notes
-----
Calling this function changes the verbosity of all handlers assigned to
manim logger.
"""
# Note: The log file name will be
# <name_of_animation_file>_<name_of_scene>.log, gotten from config. So it
# can differ from the real name of the scene. <name_of_scene> would only
# appear if scene name was provided when manim was called.
scene_name_suffix = "".join(config["scene_names"])
scene_file_name = os.path.basename(config["input_file"]).split(".")[0]
log_file_name = (
f"{scene_file_name}_{scene_name_suffix}.log"
if scene_name_suffix
else f"{scene_file_name}.log"
)
log_file_path = config.get_dir("log_dir") / log_file_name
log_file_path.parent.mkdir(parents=True, exist_ok=True)
file_handler = logging.FileHandler(log_file_path, mode="w")
file_handler.setFormatter(JSONFormatter())
logger = logging.getLogger("manim")
logger.addHandler(file_handler)
logger.info("Log file will be saved in %(logpath)s", {"logpath": log_file_path})
config.verbosity = verbosity
logger.setLevel(verbosity)
def _config_test(last_frame: bool) -> ManimConfig:
return ManimConfig().digest_file(
str(
Path(__file__).parent
/ (
"config_graphical_tests_monoframe.cfg"
if last_frame
else "config_graphical_tests_multiframes.cfg"
),
),
)