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load models from local disk #229

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15 changes: 13 additions & 2 deletions zonos/model.py
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Original file line number Diff line number Diff line change
@@ -1,4 +1,6 @@
import json
import os
from pathlib import Path
from typing import Callable

import safetensors
Expand Down Expand Up @@ -58,8 +60,17 @@ def device(self) -> torch.device:
def from_pretrained(
cls, repo_id: str, revision: str | None = None, device: str = DEFAULT_DEVICE, **kwargs
) -> "Zonos":
config_path = hf_hub_download(repo_id=repo_id, filename="config.json", revision=revision)
model_path = hf_hub_download(repo_id=repo_id, filename="model.safetensors", revision=revision)
cwd = Path.cwd()
base_path = Path(cwd) / "models"
normalized = os.path.normpath(repo_id)
sub_path = os.path.basename(normalized)
config_path = base_path / sub_path / "config.json"
model_path = base_path / sub_path / "model.safetensors"

# the below is the old ways
# config_path = hf_hub_download(repo_id=repo_id, filename="config.json", revision=revision)
# model_path = hf_hub_download(repo_id=repo_id, filename="model.safetensors", revision=revision)

return cls.from_local(config_path, model_path, device, **kwargs)

@classmethod
Expand Down