[GPTQ] Move GPTQModifier to modifiers/gptq for consistent folder structure

Author: dik654

examples/quantizing_moe/README.md

@@ -80,7 +80,7 @@ A custom scheme can also be specified using `config_groups`:
 ```python
 # Example of defining a custom quantization scheme
 
-from llmcompressor.modifiers.quantization.gptq import GPTQModifier
+from llmcompressor.modifiers.gptq import GPTQModifier
 
 config_groups = {
     "group_0": {

src/llmcompressor/modifiers/factory.py

@@ -48,6 +48,9 @@ def load_from_package(package_path: str) -> dict[str, type[Modifier]]:
         deprecated_packages = [
             "llmcompressor.modifiers.obcq",
             "llmcompressor.modifiers.obcq.sgpt_base",
+            "llmcompressor.modifiers.quantization.gptq",
+            "llmcompressor.modifiers.quantization.gptq.base",
+            "llmcompressor.modifiers.quantization.gptq.gptq_quantize",
         ]
         for _importer, modname, _is_pkg in pkgutil.walk_packages(
             main_package.__path__, package_path + "."

src/llmcompressor/modifiers/gptq/__init__.py

@@ -0,0 +1,4 @@
+# ruff: noqa
+
+from .base import *
+from .gptq_quantize import *

…ssor/modifiers/quantization/gptq/base.py src/llmcompressor/modifiers/gptq/base.pysrc/llmcompressor/modifiers/quantization/gptq/base.py renamed to src/llmcompressor/modifiers/gptq/base.py src/llmcompressor/modifiers/quantization/gptq/base.py renamed to src/llmcompressor/modifiers/gptq/base.py

@@ -20,12 +20,12 @@
 
 from llmcompressor.core import Event, EventType, State
 from llmcompressor.modifiers import Modifier
-from llmcompressor.modifiers.quantization.calibration import update_weight_global_scale
-from llmcompressor.modifiers.quantization.gptq.gptq_quantize import (
+from llmcompressor.modifiers.gptq.gptq_quantize import (
     accumulate_hessian,
     make_empty_hessian,
     quantize_weight,
 )
+from llmcompressor.modifiers.quantization.calibration import update_weight_global_scale
 from llmcompressor.modifiers.quantization.quantization import QuantizationMixin
 from llmcompressor.modifiers.utils import update_fused_layer_weight_global_scales
 from llmcompressor.sentinel import Sentinel

…fiers/quantization/gptq/gptq_quantize.py …mpressor/modifiers/gptq/gptq_quantize.pysrc/llmcompressor/modifiers/quantization/gptq/gptq_quantize.py renamed to src/llmcompressor/modifiers/gptq/gptq_quantize.py src/llmcompressor/modifiers/quantization/gptq/gptq_quantize.py renamed to src/llmcompressor/modifiers/gptq/gptq_quantize.py

@@ -1,4 +1,4 @@
 # ruff: noqa
 
-from .gptq import *
+from llmcompressor.modifiers.gptq import *
 from .quantization import *

src/llmcompressor/modifiers/quantization/__init__.py

@@ -1,3 +1,11 @@
 # ruff: noqa
+import warnings
 
-from .base import *
+warnings.warn(
+    "Importing from llmcompressor.modifiers.quantization.gptq is deprecated. "
+    "Please import from llmcompressor.modifiers.gptq instead.",
+    DeprecationWarning,
+    stacklevel=2,
+)
+
+from llmcompressor.modifiers.gptq import *

src/llmcompressor/modifiers/quantization/gptq/__init__.py

@@ -2,7 +2,7 @@
 import torch
 
 from llmcompressor.modifiers.pruning.sparsegpt import SparseGPTModifier
-from llmcompressor.modifiers.quantization.gptq import GPTQModifier
+from llmcompressor.modifiers.gptq import GPTQModifier
 from tests.llmcompressor.modifiers.conf import LifecyleTestingHarness
 from tests.llmcompressor.pytorch.helpers import LinearNet
 

tests/llmcompressor/pytorch/modifiers/pruning/sparsegpt/test_pytorch.py

@@ -5,7 +5,7 @@
 
 from llmcompressor import oneshot
 from llmcompressor.core.session_functions import reset_session
-from llmcompressor.modifiers.quantization.gptq import GPTQModifier
+from llmcompressor.modifiers.gptq import GPTQModifier
 from llmcompressor.modifiers.smoothquant import SmoothQuantModifier
 from llmcompressor.modifiers.smoothquant.utils import DEFAULT_SMOOTHQUANT_MAPPINGS
 from tests.testing_utils import requires_gpu

tests/llmcompressor/transformers/compression/test_recipe_parsing.py

@@ -4,7 +4,7 @@
 from transformers import AutoModelForCausalLM
 
 from llmcompressor import oneshot
-from llmcompressor.modifiers.quantization.gptq import GPTQModifier
+from llmcompressor.modifiers.gptq import GPTQModifier
 
 recipe_str = """
 quant_stage: