unsloth/unsloth/import_fixes.py
2025-09-03 20:17:36 -07:00

137 lines
6.4 KiB
Python

# Copyright 2023-present Daniel Han-Chen & the Unsloth team. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os
import importlib.util
from pathlib import Path
from importlib.metadata import version as importlib_version
from packaging.version import Version
import logging
UNSLOTH_ENABLE_LOGGING = os.environ.get("UNSLOTH_ENABLE_LOGGING", "0") == "1"
# Ignore logging messages
class HideLoggingMessage(logging.Filter):
__slots__ = "text",
def __init__(self, text): self.text = text
def filter(self, x): return not (self.text in x.getMessage())
pass
# Fix up AttributeError: 'MessageFactory' object has no attribute 'GetPrototype'
# MUST do this at the start primarily due to tensorflow causing issues
def fix_message_factory_issue():
try:
import google.protobuf.message_factory
class MessageFactory:
def CreatePrototype(self, *args, **kwargs): return
def GetMessages(self, *args, **kwargs): return
def GetPrototype(self, *args, **kwargs): return
if not hasattr(google.protobuf.message_factory, "MessageFactory"):
if UNSLOTH_ENABLE_LOGGING:
print("Unsloth: Patching protobuf.MessageFactory as it doesn't exist")
google.protobuf.message_factory.MessageFactory = MessageFactory
elif hasattr(google.protobuf.message_factory, "MessageFactory") and \
not hasattr(google.protobuf.message_factory.MessageFactory, "GetPrototype") and \
not hasattr(google.protobuf.message_factory, "GetMessageClass"):
google.protobuf.message_factory.MessageFactory = MessageFactory
if UNSLOTH_ENABLE_LOGGING:
print("Unsloth: Patching protobuf.MessageFactory as it doesn't exist")
elif hasattr(google.protobuf.message_factory, "MessageFactory") and \
not hasattr(google.protobuf.message_factory.MessageFactory, "GetPrototype") and \
hasattr(google.protobuf.message_factory, "GetMessageClass"):
GetMessageClass = google.protobuf.message_factory.GetMessageClass
def GetPrototype(self, descriptor):
return GetMessageClass(descriptor)
google.protobuf.message_factory.MessageFactory.GetPrototype = GetPrototype
if UNSLOTH_ENABLE_LOGGING:
print("Unsloth: Patching protobuf.MessageFactory.GetPrototype")
pass
except:
pass
pass
# Fix Xformers performance issues since 0.0.25
def fix_xformers_performance_issue():
if importlib.util.find_spec("xformers") is None: return
xformers_version = importlib_version("xformers")
if Version(xformers_version) < Version("0.0.29"):
xformers_location = importlib.util.find_spec("xformers").origin
xformers_location = os.path.split(xformers_location)[0]
cutlass = Path(xformers_location) / "ops" / "fmha" / "cutlass.py"
try:
if cutlass.exists():
with open(cutlass, "r+", encoding = "utf-8") as f:
text = f.read()
# See https://github.com/facebookresearch/xformers/issues/1176#issuecomment-2545829591
if "num_splits_key=-1," in text:
text = text.replace(
"num_splits_key=-1,",
"num_splits_key=None,",
)
f.seek(0)
f.write(text)
f.truncate()
if UNSLOTH_ENABLE_LOGGING:
print("Unsloth: Patching Xformers to fix some performance issues.")
except Exception as e:
if UNSLOTH_ENABLE_LOGGING:
print(f"Unsloth: Failed patching Xformers with error = {str(e)}")
pass
# ValueError: 'aimv2' is already used by a Transformers config, pick another name.
def fix_vllm_aimv2_issue():
if importlib.util.find_spec("vllm") is None: return
vllm_version = importlib_version("vllm")
if Version(vllm_version) < Version("0.10.1"):
vllm_version = importlib.util.find_spec("vllm").origin
vllm_version = os.path.split(vllm_version)[0]
ovis_config = Path(vllm_version) / "transformers_utils" / "configs" / "ovis.py"
try:
if ovis_config.exists():
with open(ovis_config, "r+", encoding = "utf-8") as f:
text = f.read()
# See https://github.com/vllm-project/vllm-ascend/issues/2046
if 'AutoConfig.register("aimv2", AIMv2Config)' in text:
text = text.replace(
'AutoConfig.register("aimv2", AIMv2Config)',
'',
)
text = text.replace(
'''backbone_config.pop('model_type')
backbone_config = AutoConfig.for_model(model_type,
**backbone_config)''',
'''if model_type != "aimv2":
backbone_config.pop('model_type')
backbone_config = AutoConfig.for_model(model_type, **backbone_config)
else:
backbone_config = AIMv2Config(**backbone_config)'''
)
f.seek(0)
f.write(text)
f.truncate()
if UNSLOTH_ENABLE_LOGGING:
print("Unsloth: Patching vLLM to fix `'aimv2' is already used by a Transformers config, pick another name.`")
except Exception as e:
if UNSLOTH_ENABLE_LOGGING:
print(f"Unsloth: Failed patching vLLM with error = {str(e)}")
pass
def ignore_logger_messages():
# Ignore Environment variable `HF_TOKEN` is set
try:
from huggingface_hub._login import logger as huggingface_hub_logger
huggingface_hub_logger.addFilter(HideLoggingMessage("`HF_TOKEN`"))
del huggingface_hub_logger
except:
pass
pass