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__init__.py
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__init__.py
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import collections
import logging
import os
from functools import partial
from typing import Dict, List, Mapping, Optional, Union
from lm_eval import utils
from lm_eval.api.task import ConfigurableTask, Task
class TaskManager:
"""TaskManager indexes all tasks from the default `lm_eval/tasks/`
and an optional directory if provided.
"""
def __init__(self, verbosity="INFO", include_path: Optional[str] = None) -> None:
self.verbosity = verbosity
self.include_path = include_path
self.logger = utils.eval_logger
self.logger.setLevel(getattr(logging, f"{verbosity}"))
self._task_index = self.initialize_tasks(include_path=include_path)
self._all_tasks = sorted(list(self._task_index.keys()))
self.task_group_map = collections.defaultdict(list)
def initialize_tasks(self, include_path: Optional[str] = None):
"""Creates a dictionary of tasks index.
:param include_path: str = None
An additional path to be searched for tasks
:return
Dictionary of task names as key and task metadata
"""
all_paths = [os.path.dirname(os.path.abspath(__file__)) + "/"]
if include_path is not None:
if isinstance(include_path, str):
include_path = [include_path]
all_paths.extend(include_path)
task_index = {}
for task_dir in all_paths:
tasks = self._get_task_and_group(task_dir)
task_index = {**tasks, **task_index}
return task_index
@property
def all_tasks(self):
return self._all_tasks
@property
def task_index(self):
return self._task_index
def match_tasks(self, task_list):
return utils.pattern_match(task_list, self.all_tasks)
def _name_is_registered(self, name) -> bool:
if name in self.all_tasks:
return True
return False
def _name_is_task(self, name) -> bool:
if self._name_is_registered(name) and ("task" in self.task_index[name]["type"]):
return True
return False
def _name_is_group(self, name) -> bool:
if self._name_is_registered(name) and (
self.task_index[name]["type"] == "group"
):
return True
return False
def _name_is_python_task(self, name):
if self._name_is_registered(name) and (
self.task_index[name]["type"] == "python_task"
):
return True
return False
def _config_is_task(self, config) -> bool:
if ("task" in config) and isinstance(config["task"], str):
return True
return False
def _config_is_group(self, config) -> bool:
if ("task" in config) and isinstance(config["task"], list):
return True
return False
def _config_is_python_task(self, config) -> bool:
if "class" in config:
return True
return False
def _get_yaml_path(self, name):
if name not in self.task_index:
raise ValueError
return self.task_index[name]["yaml_path"]
def _get_config(self, name):
if name not in self.task_index:
raise ValueError
yaml_path = self._get_yaml_path(name)
if yaml_path == -1:
return {}
else:
return utils.load_yaml_config(yaml_path, mode="full")
def _get_tasklist(self, name):
if self._name_is_task(name):
raise ValueError
return self.task_index[name]["task"]
def _process_alias(self, config, group=None):
# If the group is not the same as the original
# group which the group alias was intended for,
# Set the group_alias to None instead.
if ("group_alias" in config) and ("group" in config) and group is not None:
if config["group"] != group:
config["group_alias"] = None
return config
def _load_individual_task_or_group(
self,
name_or_config: Optional[Union[str, dict]] = None,
parent_name: Optional[str] = None,
update_config: Optional[dict] = None,
yaml_path: Optional[str] = None,
) -> Mapping:
def load_task(config, task, group=None, yaml_path=None):
if "include" in config:
if yaml_path is None:
raise ValueError
config.update(
utils.load_yaml_config(
yaml_path,
yaml_config={"include": config.pop("include")},
mode="full",
)
)
if self._config_is_python_task(config):
task_object = config["class"]()
else:
config = self._process_alias(config, group=group)
task_object = ConfigurableTask(config=config)
if group is not None:
task_object = (group, task_object)
return {task: task_object}
if isinstance(name_or_config, str):
if update_config is not None:
# Process name_or_config as a dict instead
name_or_config = {"task": name_or_config, **update_config}
elif self._name_is_task(name_or_config):
task_config = self._get_config(name_or_config)
return load_task(task_config, task=name_or_config, group=parent_name)
else:
group_name = name_or_config
subtask_list = self._get_tasklist(name_or_config)
if subtask_list == -1:
group_config = self._get_config(name_or_config)
subtask_list = group_config["task"]
# This checks if we're at the root.
if parent_name is None:
group_config = self._get_config(name_or_config)
if set(group_config.keys()) > {"task", "group"}:
update_config = {
k: v
for k, v in group_config.items()
if k not in ["task", "group"]
}
yaml_path = self._get_yaml_path(group_name)
if (update_config is not None) and ("group_alias" in update_config):
update_config.pop("group_alias")
if isinstance(name_or_config, dict):
if update_config is not None:
name_or_config = {
**name_or_config,
**update_config,
}
if self._config_is_task(name_or_config):
name = name_or_config["task"]
# If the name is registered as a group
# if self._name_is_task(name) is False:
if self._name_is_group(name):
group_name = name
update_config = {
k: v for k, v in name_or_config.items() if k != "task"
}
subtask_list = self._get_tasklist(name)
if subtask_list == -1:
subtask_list = self._get_config(name)["task"]
else:
if self._name_is_registered(name):
base_task_config = self._get_config(name)
# Check if this is a duplicate.
if parent_name is not None:
name_or_config["group"] = parent_name
num_duplicate = len(
list(
filter(
lambda x: x.startswith(name),
self.task_group_map[parent_name],
)
)
)
if num_duplicate > 0:
name = f"{name}-{num_duplicate}"
self.task_group_map[parent_name].append(name)
task_config = {
**base_task_config,
**name_or_config,
}
else:
task_config = name_or_config
return load_task(
task_config, task=name, group=parent_name, yaml_path=yaml_path
)
else:
group_name = name_or_config["group"]
subtask_list = name_or_config["task"]
if set(name_or_config.keys()) > {"task", "group"}:
update_config = {
k: v
for k, v in name_or_config.items()
if k not in ["task", "group"]
}
all_subtasks = {}
if parent_name is not None:
parent_group_config = self._get_config(parent_name)
if "group_alias" in parent_group_config:
parent_name = parent_group_config["group_alias"]
all_subtasks = {group_name: (parent_name, parent_group_config)}
fn = partial(
self._load_individual_task_or_group,
parent_name=group_name,
update_config=update_config,
yaml_path=yaml_path,
)
all_subtasks = {
**all_subtasks,
**dict(collections.ChainMap(*map(fn, subtask_list))),
}
return all_subtasks
def load_task_or_group(self, task_list: Optional[Union[str, list]] = None) -> dict:
"""Loads a dictionary of task objects from a list
:param task_list: Union[str, list] = None
Single string or list of string of task names to be loaded
:return
Dictionary of task objects
"""
if isinstance(task_list, str):
task_list = [task_list]
all_loaded_tasks = dict(
collections.ChainMap(*map(self._load_individual_task_or_group, task_list))
)
return all_loaded_tasks
def load_config(self, config: Dict):
return self._load_individual_task_or_group(config)
def _get_task_and_group(self, task_dir: str):
"""Creates a dictionary of tasks index with the following metadata,
- `type`, that can be either `task`, `python_task`, or `group`.
`task` refer to regular task configs, `python_task` are special
yaml files that only consists of `task` and `class` parameters.
`group` are group configs.
- `yaml_path`, path to the yaml file. If the entry is a `group` that
was configured through a task config, the yaml_path will be -1
and all subtasks will be listed in `task` (see below)
- `task`, reserved for entries with `type` as `group`. This will list
all subtasks. When a group config is created (as opposed to task
config having `group` parameter set), this will be set to -1 to
avoid recursive indexing. The whole list of subtasks will be loaded
at evaluation.
:param task_dir: str
A directory to check for tasks
:return
Dictionary of task names as key and task metadata
"""
tasks_and_groups = collections.defaultdict()
for root, _, file_list in os.walk(task_dir):
for f in file_list:
if f.endswith(".yaml"):
yaml_path = os.path.join(root, f)
config = utils.load_yaml_config(yaml_path, mode="simple")
if self._config_is_python_task(config):
# This is a python class config
tasks_and_groups[config["task"]] = {
"type": "python_task",
"yaml_path": yaml_path,
}
elif self._config_is_group(config):
# This is a group config
tasks_and_groups[config["group"]] = {
"type": "group",
"task": -1, # This signals that
# we don't need to know
# the task list for indexing
# as it can be loaded
# when called.
"yaml_path": yaml_path,
}
# # Registered the level 1 tasks from a group config
# for config in config["task"]:
# if isinstance(config, dict) and self._config_is_task(config):
# task = config["task"]
# tasks_and_groups[task] = {
# "type": "task",
# "yaml_path": yaml_path,
# }
elif self._config_is_task(config):
# This is a task config
task = config["task"]
tasks_and_groups[task] = {
"type": "task",
"yaml_path": yaml_path,
}
if "group" in config:
groups = config["group"]
if isinstance(config["group"], str):
groups = [groups]
for group in groups:
if group not in tasks_and_groups:
tasks_and_groups[group] = {
"type": "group",
"task": [task],
"yaml_path": -1,
}
else:
tasks_and_groups[group]["task"].append(task)
else:
self.logger.debug(f"File {f} in {root} could not be loaded")
return tasks_and_groups
def get_task_name_from_config(task_config: Dict[str, str]) -> str:
if "task" in task_config:
return task_config["task"]
if "dataset_name" in task_config:
return "{dataset_path}_{dataset_name}".format(**task_config)
else:
return "{dataset_path}".format(**task_config)
def get_task_name_from_object(task_object):
if hasattr(task_object, "config"):
return task_object._config["task"]
# TODO: scrap this
# this gives a mechanism for non-registered tasks to have a custom name anyways when reporting
return (
task_object.EVAL_HARNESS_NAME
if hasattr(task_object, "EVAL_HARNESS_NAME")
else type(task_object).__name__
)
def get_task_dict(
task_name_list: Union[str, List[Union[str, Dict, Task]]],
task_manager: Optional[TaskManager] = None,
):
"""Creates a dictionary of task objects from either a name of task, config, or prepared Task object.
:param task_name_list: List[Union[str, Dict, Task]]
Name of model or LM object, see lm_eval.models.get_model
:param task_manager: TaskManager = None
A TaskManager object that stores indexed tasks. If not set,
task_manager will load one. This should be set by the user
if there are additional paths that want to be included
via `include_path`
:return
Dictionary of task objects
"""
task_name_from_string_dict = {}
task_name_from_config_dict = {}
task_name_from_object_dict = {}
if isinstance(task_name_list, str):
task_name_list = [task_name_list]
elif isinstance(task_name_list, list):
if not all([isinstance(task, (str, dict, Task)) for task in task_name_list]):
raise TypeError(
"Expected all list items to be of types 'str', 'dict', or 'Task', but at least one entry did not match."
)
else:
raise TypeError(
f"Expected a 'str' or 'list' but received {type(task_name_list)}."
)
string_task_name_list = [task for task in task_name_list if isinstance(task, str)]
others_task_name_list = [task for task in task_name_list if ~isinstance(task, str)]
if len(string_task_name_list) > 0:
if task_manager is None:
task_manager = TaskManager()
task_name_from_string_dict = task_manager.load_task_or_group(
string_task_name_list
)
for task_element in others_task_name_list:
if isinstance(task_element, dict):
task_name_from_config_dict = {
**task_name_from_config_dict,
**task_manager.load_config(config=task_element),
}
elif isinstance(task_element, Task):
task_name_from_object_dict = {
**task_name_from_object_dict,
get_task_name_from_object(task_element): task_element,
}
if not set(task_name_from_string_dict.keys()).isdisjoint(
set(task_name_from_object_dict.keys())
):
raise ValueError
return {
**task_name_from_string_dict,
**task_name_from_config_dict,
**task_name_from_object_dict,
}