making import_module private and deprecating public method (pytorch#6…

…7990)

Summary:
Pull Request resolved: pytorch#67990

Duplicate of the following PR which was merged by mistake without ghimport
pytorch#67914

cc albanD NicolasHug

Test Plan: Imported from OSS

Reviewed By: H-Huang

Differential Revision: D32247560

Pulled By: jdsgomes

fbshipit-source-id: 8ba5ba7d17fc3d0d2c377da467ea805822e21ec1

torch/hub.py

@@ -67,7 +67,7 @@ def __exit__(self, exc_type, exc_val, exc_tb):
 
 
 # Copied from tools/shared/module_loader to be included in torch package
-def import_module(name, path):
+def _import_module(name, path):
     import importlib.util
     from importlib.abc import Loader
     spec = importlib.util.spec_from_file_location(name, path)
@@ -77,6 +77,11 @@ def import_module(name, path):
     return module
 
 
+def import_module(name, path):
+    warnings.warn('The use of torch.hub.import_module is deprecated in v0.11 and will be removed in v0.12', DeprecationWarning)
+    return _import_module(name, path)
+
+
 def _remove_if_exists(path):
     if os.path.exists(path):
         if os.path.isfile(path):
@@ -293,7 +298,7 @@ def list(github, force_reload=False, skip_validation=False):
     sys.path.insert(0, repo_dir)
 
     hubconf_path = os.path.join(repo_dir, MODULE_HUBCONF)
-    hub_module = import_module(MODULE_HUBCONF, hubconf_path)
+    hub_module = _import_module(MODULE_HUBCONF, hubconf_path)
 
     sys.path.remove(repo_dir)
 
@@ -327,7 +332,7 @@ def help(github, model, force_reload=False, skip_validation=False):
     sys.path.insert(0, repo_dir)
 
     hubconf_path = os.path.join(repo_dir, MODULE_HUBCONF)
-    hub_module = import_module(MODULE_HUBCONF, hubconf_path)
+    hub_module = _import_module(MODULE_HUBCONF, hubconf_path)
 
     sys.path.remove(repo_dir)
 
@@ -422,7 +427,7 @@ def _load_local(hubconf_dir, model, *args, **kwargs):
     sys.path.insert(0, hubconf_dir)
 
     hubconf_path = os.path.join(hubconf_dir, MODULE_HUBCONF)
-    hub_module = import_module(MODULE_HUBCONF, hubconf_path)
+    hub_module = _import_module(MODULE_HUBCONF, hubconf_path)
 
     entry = _load_entry_from_hubconf(hub_module, model)
     model = entry(*args, **kwargs)