Delete monkey_patching_utils.py
Browse files- monkey_patching_utils.py +0 -154
monkey_patching_utils.py
DELETED
|
@@ -1,154 +0,0 @@
|
|
| 1 |
-
import torch
|
| 2 |
-
import inspect
|
| 3 |
-
import importlib
|
| 4 |
-
import transformers
|
| 5 |
-
import types
|
| 6 |
-
|
| 7 |
-
import torch.nn as nn
|
| 8 |
-
from transformers.modeling_utils import PreTrainedModel
|
| 9 |
-
from typing import Callable, Optional, Union, Any, List
|
| 10 |
-
|
| 11 |
-
from .functions_2_patch import _validate_model_kwargs, llama_atten_forward
|
| 12 |
-
|
| 13 |
-
|
| 14 |
-
def get_full_class_import_path(obj):
|
| 15 |
-
"""Get the complete class import path of an object"""
|
| 16 |
-
# Get the class of the object
|
| 17 |
-
cls = obj.__class__
|
| 18 |
-
|
| 19 |
-
# Get the module name where the class is defined
|
| 20 |
-
module = cls.__module__
|
| 21 |
-
|
| 22 |
-
# Get the qualified name of the class (including outer classes)
|
| 23 |
-
qualname = cls.__qualname__
|
| 24 |
-
|
| 25 |
-
# Handle nested classes (e.g., ClassA.ClassB)
|
| 26 |
-
if '.' in qualname:
|
| 27 |
-
# Replace nested class separators
|
| 28 |
-
class_path = f"{module}.{qualname.replace('.', '_')}"
|
| 29 |
-
else:
|
| 30 |
-
class_path = f"{module}.{qualname}"
|
| 31 |
-
|
| 32 |
-
return class_path
|
| 33 |
-
|
| 34 |
-
|
| 35 |
-
def get_importable_class_path(obj):
|
| 36 |
-
"""Get the directly importable class path (handling special cases and dynamic classes)"""
|
| 37 |
-
cls = obj.__class__
|
| 38 |
-
module = cls.__module__
|
| 39 |
-
qualname = cls.__qualname__
|
| 40 |
-
|
| 41 |
-
# Handle built-in types
|
| 42 |
-
if module == 'builtins':
|
| 43 |
-
return qualname
|
| 44 |
-
|
| 45 |
-
# Handle dynamically generated classes (e.g., functools.partial)
|
| 46 |
-
if not hasattr(cls, '__module__') or module is None:
|
| 47 |
-
return f"<dynamic class {qualname}>"
|
| 48 |
-
|
| 49 |
-
# Handle nested classes
|
| 50 |
-
if '.' in qualname:
|
| 51 |
-
# Try to import the parent module to validate the path
|
| 52 |
-
try:
|
| 53 |
-
import importlib
|
| 54 |
-
parent_module = importlib.import_module(module)
|
| 55 |
-
|
| 56 |
-
# Follow the qualified name path
|
| 57 |
-
parts = qualname.split('.')
|
| 58 |
-
current = parent_module
|
| 59 |
-
for part in parts:
|
| 60 |
-
current = getattr(current, part)
|
| 61 |
-
|
| 62 |
-
# If successful access, return the original path
|
| 63 |
-
return f"{module}.{qualname}"
|
| 64 |
-
except (ImportError, AttributeError):
|
| 65 |
-
# Fallback: use underscore connection
|
| 66 |
-
return f"{module}.{qualname.replace('.', '_')}"
|
| 67 |
-
|
| 68 |
-
return f"{module}.{qualname}"
|
| 69 |
-
|
| 70 |
-
|
| 71 |
-
|
| 72 |
-
def monkey_patch_by_class_path(model, new_forward):
|
| 73 |
-
"""Perform monkey patching through class path"""
|
| 74 |
-
# Get the complete class path
|
| 75 |
-
class_path = get_importable_class_path(model)
|
| 76 |
-
|
| 77 |
-
# Dynamically import the class
|
| 78 |
-
try:
|
| 79 |
-
import importlib
|
| 80 |
-
module_path, class_name = class_path.rsplit('.', 1)
|
| 81 |
-
module = importlib.import_module(module_path)
|
| 82 |
-
target_class = getattr(module, class_name)
|
| 83 |
-
|
| 84 |
-
# Save the original method
|
| 85 |
-
if not hasattr(target_class, '_original_forward'):
|
| 86 |
-
target_class._original_forward = target_class.forward
|
| 87 |
-
|
| 88 |
-
# Apply the patch
|
| 89 |
-
target_class.forward = new_forward
|
| 90 |
-
|
| 91 |
-
# Update the method binding of the current instance
|
| 92 |
-
model.forward = types.MethodType(target_class.forward, model)
|
| 93 |
-
|
| 94 |
-
return f"Successful Monkey Patch: {class_path}.forward"
|
| 95 |
-
|
| 96 |
-
except (ImportError, AttributeError, ValueError) as e:
|
| 97 |
-
return f"Patch Failed: {str(e)}"
|
| 98 |
-
|
| 99 |
-
|
| 100 |
-
|
| 101 |
-
|
| 102 |
-
def find_inner_attribute(obj, attr_name_list: List[str], default_type = PreTrainedModel ):
|
| 103 |
-
# try to find the attribute of the name in `attr_name_list`.
|
| 104 |
-
for target_attr_name in attr_name_list:
|
| 105 |
-
if hasattr(obj, target_attr_name):
|
| 106 |
-
return getattr(obj, target_attr_name)
|
| 107 |
-
|
| 108 |
-
# else: try to find the attribute of the type `default_type`
|
| 109 |
-
for attr_name in dir(obj):
|
| 110 |
-
attr_value = getattr(obj, attr_name)
|
| 111 |
-
if isinstance(attr_value, default_type):
|
| 112 |
-
return attr_value
|
| 113 |
-
|
| 114 |
-
raise AttributeError(f"In the {obj} object, there is no attribute whose name matches any name in {attr_name_list} or whose type is {default_type}.")
|
| 115 |
-
|
| 116 |
-
|
| 117 |
-
def find_attribute_name(obj, name_pattern_list: List[str], exclude_pattern_list: List[str], match_type = nn.Module):
|
| 118 |
-
for attr_name in dir(obj):
|
| 119 |
-
attr_value = getattr(obj, attr_name)
|
| 120 |
-
for pattern in name_pattern_list:
|
| 121 |
-
for ex_pattern in exclude_pattern_list:
|
| 122 |
-
if isinstance(attr_value, match_type) and (pattern.lower() in attr_value.__class__.__name__.lower()) and ( ex_pattern.lower() not in attr_value.__class__.__name__.lower() ):
|
| 123 |
-
return attr_value
|
| 124 |
-
elif isinstance(attr_value, match_type) and (pattern.lower() in attr_name.lower()) and (ex_pattern.lower() not in attr_name.lower() ):
|
| 125 |
-
return attr_value
|
| 126 |
-
|
| 127 |
-
raise AttributeError(f"In the {obj} object, there is no attribute whose name matches any pattern in {name_pattern_list} and excludes any pattern in {exclude_pattern_list}, and whose type is {match_type}.")
|
| 128 |
-
|
| 129 |
-
|
| 130 |
-
|
| 131 |
-
def monkey_patching(model_obj, model_atten_forward , verbose = True):
|
| 132 |
-
transformers.generation.GenerationMixin._validate_model_kwargs = _validate_model_kwargs
|
| 133 |
-
|
| 134 |
-
## get inner model
|
| 135 |
-
possible_inner_model_names = ["model", "transformer", "gpt_neox"]
|
| 136 |
-
inner_model_type = PreTrainedModel
|
| 137 |
-
inner_model = find_inner_attribute(model_obj, possible_inner_model_names, inner_model_type)
|
| 138 |
-
|
| 139 |
-
|
| 140 |
-
possible_layers_names = ["layers", "h" ]
|
| 141 |
-
layers_type = nn.ModuleList
|
| 142 |
-
model_layers = find_inner_attribute(inner_model, possible_layers_names, layers_type)
|
| 143 |
-
|
| 144 |
-
atten_attr_name_pattern_list = ["attention", "self_attn"]
|
| 145 |
-
atten_attr_name_pattern_exclude = ["norm", "layer"]
|
| 146 |
-
|
| 147 |
-
for i, decoder_layer in enumerate(model_layers):
|
| 148 |
-
self_attn_module = find_attribute_name(decoder_layer, atten_attr_name_pattern_list, atten_attr_name_pattern_exclude, nn.Module)
|
| 149 |
-
result = monkey_patch_by_class_path(self_attn_module, model_atten_forward)
|
| 150 |
-
if verbose:
|
| 151 |
-
decoder_class_name = get_importable_class_path(decoder_layer)
|
| 152 |
-
print(f"For Layer {i}'s `{decoder_class_name}`: {result}")
|
| 153 |
-
|
| 154 |
-
return model_layers
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|