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Stanford loading using bin file #69

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Merged
NohTow merged 3 commits into from
Nov 25, 2024
Merged

Stanford loading using bin file #69

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a6a97d3
Use pytorch_model.bin to load stanford model instead of safetensor
NohTow Oct 28, 2024
e3df932
Bump ST version
NohTow Nov 18, 2024
34cd4ab
pin transformers version
NohTow Nov 18, 2024
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16 changes: 10 additions & 6 deletions pylate/models/Dense.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,6 @@
import os

import torch
from safetensors import safe_open
from safetensors.torch import load_model as load_safetensors_model
from sentence_transformers.models import Dense as DenseSentenceTransformer
from sentence_transformers.util import import_from_string
Expand Down Expand Up @@ -114,18 +113,23 @@ def from_stanford_weights(
# Else download the model/use the cached version
model_name_or_path = cached_file(
model_name_or_path,
filename="model.safetensors",
filename="pytorch_model.bin",
cache_dir=cache_folder,
revision=revision,
local_files_only=local_files_only,
token=token,
use_auth_token=use_auth_token,
)
# If the model a local folder, load the safetensor
# If the model a local folder, load the PyTorch model
else:
model_name_or_path = os.path.join(model_name_or_path, "model.safetensors")
with safe_open(model_name_or_path, framework="pt", device="cpu") as f:
state_dict = {"linear.weight": f.get_tensor("linear.weight")}
model_name_or_path = os.path.join(model_name_or_path, "pytorch_model.bin")

# Load the state dict using torch.load instead of safe_open
state_dict = {
"linear.weight": torch.load(model_name_or_path, map_location="cpu")[
"linear.weight"
]
}

# Determine input and output dimensions
in_features = state_dict["linear.weight"].shape[1]
Expand Down
3 changes: 2 additions & 1 deletion setup.py
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Original file line number Diff line number Diff line change
Expand Up @@ -6,12 +6,13 @@
long_description = fh.read()

base_packages = [
"sentence-transformers == 3.2.0",
"sentence-transformers == 3.3.0",
"datasets >= 2.20.0",
"accelerate >= 0.31.0",
"voyager >= 2.0.9",
"sqlitedict >= 2.1.0",
"pandas >= 2.2.1",
"transformers == 4.46.2",
]


Expand Down