def gen_config_impl(task_name, options):
task_class_set = find_config_class(task_name)
if not task_class_set:
raise Exception(f"Unknown task class: {task_name}")
elif len(task_class_set) > 1:
raise Exception(f"Multiple tasks named {task_name}: {task_class_set}")
task_class = next(iter(task_class_set))
root = PyTextConfig(task=task_class.Config())
# Use components listed in options instead of defaults
for opt in options:
replace_class_set = find_config_class(opt)
if not replace_class_set:
raise Exception(f"Not a component class: {opt}")
elif len(replace_class_set) > 1:
raise Exception(
f"Multiple component named {opt}: {replace_class_set}")
replace_class = next(iter(replace_class_set))
found = replace_components(root, opt, set(replace_class.__bases__))
if found:
eprint("INFO - Applying option:", "->".join(reversed(found)), "=",
opt)
obj = root
for k in reversed(found[1:]):
obj = getattr(obj, k)
if hasattr(replace_class, "Config"):
setattr(obj, found[0], replace_class.Config())
else:
setattr(obj, found[0], replace_class())
else:
raise Exception(f"Unknown option: {opt}")
return config_to_json(PyTextConfig, root)
def gen_default_config(context, task_name, options):
"""
Generate a config for `task_name` with default values.
Optionally, override the defaults by passing your desired
components as `options`.
"""
try:
cfg = gen_config_impl(task_name, options)
except TypeError as ex:
eprint(
"ERROR - Cannot create this config",
"because some fields don't have a default value:",
ex,
)
sys.exit(-1)
print(json.dumps(cfg, sort_keys=True, indent=2))
def gen_config_impl(task_name, options):
# import the classes required by parameters
requested_classes = [locate(opt) for opt in options] + [locate(task_name)]
register_tasks(requested_classes)
task_class_set = find_config_class(task_name)
if not task_class_set:
raise Exception(f"Unknown task class: {task_name} "
"(try fully qualified class name?)")
elif len(task_class_set) > 1:
raise Exception(f"Multiple tasks named {task_name}: {task_class_set}")
task_class = next(iter(task_class_set))
task_config = getattr(task_class, "example_config", task_class.Config)
root = PyTextConfig(task=task_config(), version=LATEST_VERSION)
# Use components listed in options instead of defaults
for opt in options:
replace_class_set = find_config_class(opt)
if not replace_class_set:
raise Exception(f"Not a component class: {opt}")
elif len(replace_class_set) > 1:
raise Exception(
f"Multiple component named {opt}: {replace_class_set}")
replace_class = next(iter(replace_class_set))
found = replace_components(root, opt, set(replace_class.__bases__))
if found:
eprint("INFO - Applying option:", "->".join(reversed(found)), "=",
opt)
obj = root
for k in reversed(found[1:]):
obj = getattr(obj, k)
if hasattr(replace_class, "Config"):
setattr(obj, found[0], replace_class.Config())
else:
setattr(obj, found[0], replace_class())
else:
raise Exception(f"Unknown option: {opt}")
return config_to_json(PyTextConfig, root)
