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"""
Copyright (c) 2022, salesforce.com, inc.
All rights reserved.
SPDX-License-Identifier: BSD-3-Clause
For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
"""
class Registry:
mapping = {
"builder_name_mapping": {},
"task_name_mapping": {},
"processor_name_mapping": {},
"model_name_mapping": {},
"lr_scheduler_name_mapping": {},
"runner_name_mapping": {},
"state": {},
"paths": {},
}
@classmethod
def register_builder(cls, name):
r"""Register a dataset builder to registry with key 'name'
Args:
name: Key with which the builder will be registered.
Usage:
from lavis.common.registry import registry
from lavis.datasets.base_dataset_builder import BaseDatasetBuilder
"""
def wrap(builder_cls):
from lavis.datasets.builders.base_dataset_builder import BaseDatasetBuilder
assert issubclass(
builder_cls, BaseDatasetBuilder
), "All builders must inherit BaseDatasetBuilder class, found {}".format(
builder_cls
)
if name in cls.mapping["builder_name_mapping"]:
raise KeyError(
"Name '{}' already registered for {}.".format(
name, cls.mapping["builder_name_mapping"][name]
)
)
cls.mapping["builder_name_mapping"][name] = builder_cls
return builder_cls
return wrap
@classmethod
def register_task(cls, name):
r"""Register a task to registry with key 'name'
Args:
name: Key with which the task will be registered.
Usage:
from lavis.common.registry import registry
"""
def wrap(task_cls):
from lavis.tasks.base_task import BaseTask
assert issubclass(
task_cls, BaseTask
), "All tasks must inherit BaseTask class"
if name in cls.mapping["task_name_mapping"]:
raise KeyError(
"Name '{}' already registered for {}.".format(
name, cls.mapping["task_name_mapping"][name]
)
)
cls.mapping["task_name_mapping"][name] = task_cls
return task_cls
return wrap
@classmethod
def register_model(cls, name):
r"""Register a task to registry with key 'name'
Args:
name: Key with which the task will be registered.
Usage:
from lavis.common.registry import registry
"""
def wrap(model_cls):
from lavis.models import BaseModel
assert issubclass(
model_cls, BaseModel
), "All models must inherit BaseModel class"
if name in cls.mapping["model_name_mapping"]:
raise KeyError(
"Name '{}' already registered for {}.".format(
name, cls.mapping["model_name_mapping"][name]
)
)
cls.mapping["model_name_mapping"][name] = model_cls
return model_cls
return wrap
@classmethod
def register_processor(cls, name):
r"""Register a processor to registry with key 'name'
Args:
name: Key with which the task will be registered.
Usage:
from lavis.common.registry import registry
"""
def wrap(processor_cls):
from lavis.processors import BaseProcessor
assert issubclass(
processor_cls, BaseProcessor
), "All processors must inherit BaseProcessor class"
if name in cls.mapping["processor_name_mapping"]:
raise KeyError(
"Name '{}' already registered for {}.".format(
name, cls.mapping["processor_name_mapping"][name]
)
)
cls.mapping["processor_name_mapping"][name] = processor_cls
return processor_cls
return wrap
@classmethod
def register_lr_scheduler(cls, name):
r"""Register a model to registry with key 'name'
Args:
name: Key with which the task will be registered.
Usage:
from lavis.common.registry import registry
"""
def wrap(lr_sched_cls):
if name in cls.mapping["lr_scheduler_name_mapping"]:
raise KeyError(
"Name '{}' already registered for {}.".format(
name, cls.mapping["lr_scheduler_name_mapping"][name]
)
)
cls.mapping["lr_scheduler_name_mapping"][name] = lr_sched_cls
return lr_sched_cls
return wrap
@classmethod
def register_runner(cls, name):
r"""Register a model to registry with key 'name'
Args:
name: Key with which the task will be registered.
Usage:
from lavis.common.registry import registry
"""
def wrap(runner_cls):
if name in cls.mapping["runner_name_mapping"]:
raise KeyError(
"Name '{}' already registered for {}.".format(
name, cls.mapping["runner_name_mapping"][name]
)
)
cls.mapping["runner_name_mapping"][name] = runner_cls
return runner_cls
return wrap
@classmethod
def register_path(cls, name, path):
r"""Register a path to registry with key 'name'
Args:
name: Key with which the path will be registered.
Usage:
from lavis.common.registry import registry
"""
assert isinstance(path, str), "All path must be str."
if name in cls.mapping["paths"]:
raise KeyError("Name '{}' already registered.".format(name))
cls.mapping["paths"][name] = path
@classmethod
def register(cls, name, obj):
r"""Register an item to registry with key 'name'
Args:
name: Key with which the item will be registered.
Usage::
from lavis.common.registry import registry
registry.register("config", {})
"""
path = name.split(".")
current = cls.mapping["state"]
for part in path[:-1]:
if part not in current:
current[part] = {}
current = current[part]
current[path[-1]] = obj
# @classmethod
# def get_trainer_class(cls, name):
# return cls.mapping["trainer_name_mapping"].get(name, None)
@classmethod
def get_builder_class(cls, name):
return cls.mapping["builder_name_mapping"].get(name, None)
@classmethod
def get_model_class(cls, name):
return cls.mapping["model_name_mapping"].get(name, None)
@classmethod
def get_task_class(cls, name):
return cls.mapping["task_name_mapping"].get(name, None)
@classmethod
def get_processor_class(cls, name):
return cls.mapping["processor_name_mapping"].get(name, None)
@classmethod
def get_lr_scheduler_class(cls, name):
return cls.mapping["lr_scheduler_name_mapping"].get(name, None)
@classmethod
def get_runner_class(cls, name):
return cls.mapping["runner_name_mapping"].get(name, None)
@classmethod
def list_runners(cls):
return sorted(cls.mapping["runner_name_mapping"].keys())
@classmethod
def list_models(cls):
return sorted(cls.mapping["model_name_mapping"].keys())
@classmethod
def list_tasks(cls):
return sorted(cls.mapping["task_name_mapping"].keys())
@classmethod
def list_processors(cls):
return sorted(cls.mapping["processor_name_mapping"].keys())
@classmethod
def list_lr_schedulers(cls):
return sorted(cls.mapping["lr_scheduler_name_mapping"].keys())
@classmethod
def list_datasets(cls):
return sorted(cls.mapping["builder_name_mapping"].keys())
@classmethod
def get_path(cls, name):
return cls.mapping["paths"].get(name, None)
@classmethod
def get(cls, name, default=None, no_warning=False):
r"""Get an item from registry with key 'name'
Args:
name (string): Key whose value needs to be retrieved.
default: If passed and key is not in registry, default value will
be returned with a warning. Default: None
no_warning (bool): If passed as True, warning when key doesn't exist
will not be generated. Useful for MMF's
internal operations. Default: False
"""
original_name = name
name = name.split(".")
value = cls.mapping["state"]
for subname in name:
value = value.get(subname, default)
if value is default:
break
if (
"writer" in cls.mapping["state"]
and value == default
and no_warning is False
):
cls.mapping["state"]["writer"].warning(
"Key {} is not present in registry, returning default value "
"of {}".format(original_name, default)
)
return value
@classmethod
def unregister(cls, name):
r"""Remove an item from registry with key 'name'
Args:
name: Key which needs to be removed.
Usage::
from mmf.common.registry import registry
config = registry.unregister("config")
"""
return cls.mapping["state"].pop(name, None)
registry = Registry()
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