Files
ColossalAI/colossalai/shardformer/utils/utils.py
FoolPlayer 45927d5527 [shardformer] Add dropout layer in shard model and refactor policy api (#3949)
* add dist dropout in model

* update docstring and bert policy with dropout

* refactor basepolicy and sharded, update bert

* update format

* update gpt2 policy

* update bert policy

* remove unused code

* update readme for new policy usage
2023-07-04 16:05:01 +08:00

59 lines
1.5 KiB
Python

def hasattr_(obj, attr: str):
r"""
Check whether the object has the multi sublevel attr
Args:
obj (object): The object to check
attr (str): The multi level attr to check
"""
attrs = attr.split('.')
for a in attrs:
try:
obj = getattr(obj, a)
except AttributeError:
return False
return True
def setattr_(obj, attr: str, value, ignore: bool = False):
r"""
Set the object's multi sublevel attr to value, if ignore, ignore when it doesn't exist
Args:
obj (object): The object to set
attr (str): The multi level attr to set
value (Any): The value to set
ignore (bool): Whether to ignore when the attr doesn't exist
"""
attrs = attr.split('.')
for a in attrs[:-1]:
try:
obj = getattr(obj, a)
except AttributeError:
if ignore:
return
raise AttributeError(f"Object {obj} has no attribute {attr}")
setattr(obj, attrs[-1], value)
def getattr_(obj, attr: str, ignore: bool = False):
r"""
Get the object's multi sublevel attr
Args:
obj (object): The object to set
attr (str): The multi level attr to set
ignore (bool): Whether to ignore when the attr doesn't exist
"""
attrs = attr.split('.')
for a in attrs:
try:
obj = getattr(obj, a)
except AttributeError:
if ignore:
return None
raise AttributeError(f"Object {obj} has no attribute {attr}")
return obj