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add option to check file hash after download

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if the sha256 hash does not match it will be automatically deleted
This commit is contained in:
w-e-w 2024-04-23 03:08:09 +09:00
parent ddb28b33a3
commit 246c269af8
1 changed files with 5 additions and 3 deletions
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8
modules/modelloader.py
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@ -23,6 +23,7 @@ def load_file_from_url(
model_dir: str,
progress: bool = True,
file_name: str | None = None,
hash_prefix: str | None = None,
) -> str:
"""Download a file from `url` into `model_dir`, using the file present if possible.
@ -36,11 +37,11 @@ def load_file_from_url(
if not os.path.exists(cached_file):
print(f'Downloading: "{url}" to {cached_file}\n')
from torch.hub import download_url_to_file
download_url_to_file(url, cached_file, progress=progress)
download_url_to_file(url, cached_file, progress=progress, hash_prefix=hash_prefix)
return cached_file
def load_models(model_path: str, model_url: str = None, command_path: str = None, ext_filter=None, download_name=None, ext_blacklist=None) -> list:
def load_models(model_path: str, model_url: str = None, command_path: str = None, ext_filter=None, download_name=None, ext_blacklist=None, hash_prefix=None) -> list:
"""
A one-and done loader to try finding the desired models in specified directories.
@ -49,6 +50,7 @@ def load_models(model_path: str, model_url: str = None, command_path: str = None
@param model_path: The location to store/find models in.
@param command_path: A command-line argument to search for models in first.
@param ext_filter: An optional list of filename extensions to filter by
@param hash_prefix: the expected sha256 of the model_url
@return: A list of paths containing the desired model(s)
"""
output = []
@ -78,7 +80,7 @@ def load_models(model_path: str, model_url: str = None, command_path: str = None
if model_url is not None and len(output) == 0:
if download_name is not None:
output.append(load_file_from_url(model_url, model_dir=places[0], file_name=download_name))
output.append(load_file_from_url(model_url, model_dir=places[0], file_name=download_name, hash_prefix=hash_prefix))
else:
output.append(model_url)