Correct hf hub download (#1767)

* allow model download when no internet

* up

* make style

Author: patrickvonplaten

src/diffusers/modeling_utils.py

@@ -26,6 +26,7 @@
 from requests import HTTPError
 
 from . import __version__
+from .hub_utils import HF_HUB_OFFLINE
 from .utils import (
     CONFIG_NAME,
     DIFFUSERS_CACHE,
@@ -376,7 +377,7 @@ def from_pretrained(cls, pretrained_model_name_or_path: Optional[Union[str, os.P
         resume_download = kwargs.pop("resume_download", False)
         proxies = kwargs.pop("proxies", None)
         output_loading_info = kwargs.pop("output_loading_info", False)
-        local_files_only = kwargs.pop("local_files_only", False)
+        local_files_only = kwargs.pop("local_files_only", HF_HUB_OFFLINE)
         use_auth_token = kwargs.pop("use_auth_token", None)
         revision = kwargs.pop("revision", None)
         torch_dtype = kwargs.pop("torch_dtype", None)

src/diffusers/pipeline_utils.py

@@ -33,7 +33,7 @@
 
 from .configuration_utils import ConfigMixin
 from .dynamic_modules_utils import get_class_from_dynamic_module
-from .hub_utils import http_user_agent
+from .hub_utils import HF_HUB_OFFLINE, http_user_agent
 from .modeling_utils import _LOW_CPU_MEM_USAGE_DEFAULT
 from .schedulers.scheduling_utils import SCHEDULER_CONFIG_NAME
 from .utils import (
@@ -441,7 +441,7 @@ def from_pretrained(cls, pretrained_model_name_or_path: Optional[Union[str, os.P
         resume_download = kwargs.pop("resume_download", False)
         force_download = kwargs.pop("force_download", False)
         proxies = kwargs.pop("proxies", None)
-        local_files_only = kwargs.pop("local_files_only", False)
+        local_files_only = kwargs.pop("local_files_only", HF_HUB_OFFLINE)
         use_auth_token = kwargs.pop("use_auth_token", None)
         revision = kwargs.pop("revision", None)
         torch_dtype = kwargs.pop("torch_dtype", None)