InvokeAI/scripts/create_checkpoint_template.py

49 lines
1.0 KiB
Python
Executable File

#!/usr/bin/env python
"""
Read a checkpoint/safetensors file and write out a template .json file containing
its metadata for use in fast model probing.
"""
import sys
import argparse
import json
from pathlib import Path
from invokeai.backend.model_management.models.base import read_checkpoint_meta
parser = argparse.ArgumentParser(description="Create a .json template from checkpoint/safetensors model")
parser.add_argument(
"--checkpoint",
"--in",
type=Path,
help="Path to the input checkpoint/safetensors file"
)
parser.add_argument(
"--template",
"--out",
type=Path,
help="Path to the output .json file"
)
opt = parser.parse_args()
ckpt = read_checkpoint_meta(opt.checkpoint)
while "state_dict" in ckpt:
ckpt = ckpt["state_dict"]
tmpl = {}
for key, tensor in ckpt.items():
tmpl[key] = list(tensor.shape)
try:
with open(opt.template,'w') as f:
json.dump(tmpl, f)
print(f"Template written out as {opt.template}")
except Exception as e:
print(f"An exception occurred while writing template: {str(e)}")