pytorch/test/test_hub.py

267 lines
11 KiB
Python

# Owner(s): ["module: hub"]
import unittest
from unittest.mock import patch
import os
import tempfile
import warnings
import torch
import torch.hub as hub
from torch.testing._internal.common_utils import retry, IS_SANDCASTLE, TestCase
def sum_of_state_dict(state_dict):
s = 0
for v in state_dict.values():
s += v.sum()
return s
SUM_OF_HUB_EXAMPLE = 431080
TORCHHUB_EXAMPLE_RELEASE_URL = 'https://github.com/ailzhang/torchhub_example/releases/download/0.1/mnist_init_ones'
@unittest.skipIf(IS_SANDCASTLE, 'Sandcastle cannot ping external')
class TestHub(TestCase):
def setUp(self):
super().setUp()
self.previous_hub_dir = torch.hub.get_dir()
self.tmpdir = tempfile.TemporaryDirectory('hub_dir')
torch.hub.set_dir(self.tmpdir.name)
self.trusted_list_path = os.path.join(torch.hub.get_dir(), "trusted_list")
def tearDown(self):
super().tearDown()
torch.hub.set_dir(self.previous_hub_dir) # probably not needed, but can't hurt
self.tmpdir.cleanup()
def _assert_trusted_list_is_empty(self):
with open(self.trusted_list_path) as f:
assert not f.readlines()
def _assert_in_trusted_list(self, line):
with open(self.trusted_list_path) as f:
assert line in (l.strip() for l in f.readlines())
@retry(Exception, tries=3)
def test_load_from_github(self):
hub_model = hub.load('ailzhang/torchhub_example', 'mnist', source='github', pretrained=True, verbose=False)
self.assertEqual(sum_of_state_dict(hub_model.state_dict()), SUM_OF_HUB_EXAMPLE)
@retry(Exception, tries=3)
def test_load_from_local_dir(self):
local_dir = hub._get_cache_or_reload(
'ailzhang/torchhub_example',
force_reload=False,
trust_repo=True,
calling_fn=None
)
hub_model = hub.load(local_dir, 'mnist', source='local', pretrained=True, verbose=False)
self.assertEqual(sum_of_state_dict(hub_model.state_dict()), SUM_OF_HUB_EXAMPLE)
@retry(Exception, tries=3)
def test_load_from_branch(self):
hub_model = hub.load('ailzhang/torchhub_example:ci/test_slash', 'mnist', pretrained=True, verbose=False)
self.assertEqual(sum_of_state_dict(hub_model.state_dict()), SUM_OF_HUB_EXAMPLE)
@retry(Exception, tries=3)
def test_get_set_dir(self):
previous_hub_dir = torch.hub.get_dir()
with tempfile.TemporaryDirectory('hub_dir') as tmpdir:
torch.hub.set_dir(tmpdir)
self.assertEqual(torch.hub.get_dir(), tmpdir)
self.assertNotEqual(previous_hub_dir, tmpdir)
hub_model = hub.load('ailzhang/torchhub_example', 'mnist', pretrained=True, verbose=False)
self.assertEqual(sum_of_state_dict(hub_model.state_dict()), SUM_OF_HUB_EXAMPLE)
assert os.path.exists(os.path.join(tmpdir, 'ailzhang_torchhub_example_master'))
# Test that set_dir properly calls expanduser()
# non-regression test for https://github.com/pytorch/pytorch/issues/69761
new_dir = os.path.join("~", "hub")
torch.hub.set_dir(new_dir)
self.assertEqual(torch.hub.get_dir(), os.path.expanduser(new_dir))
@retry(Exception, tries=3)
def test_list_entrypoints(self):
entry_lists = hub.list('ailzhang/torchhub_example', trust_repo=True)
self.assertObjectIn('mnist', entry_lists)
@retry(Exception, tries=3)
def test_download_url_to_file(self):
with tempfile.TemporaryDirectory() as tmpdir:
f = os.path.join(tmpdir, 'temp')
hub.download_url_to_file(TORCHHUB_EXAMPLE_RELEASE_URL, f, progress=False)
loaded_state = torch.load(f)
self.assertEqual(sum_of_state_dict(loaded_state), SUM_OF_HUB_EXAMPLE)
# Check that the downloaded file has default file permissions
f_ref = os.path.join(tmpdir, 'reference')
open(f_ref, 'w').close()
expected_permissions = oct(os.stat(f_ref).st_mode & 0o777)
actual_permissions = oct(os.stat(f).st_mode & 0o777)
assert actual_permissions == expected_permissions
@retry(Exception, tries=3)
def test_load_state_dict_from_url(self):
loaded_state = hub.load_state_dict_from_url(TORCHHUB_EXAMPLE_RELEASE_URL)
self.assertEqual(sum_of_state_dict(loaded_state), SUM_OF_HUB_EXAMPLE)
# with name
file_name = "the_file_name"
loaded_state = hub.load_state_dict_from_url(TORCHHUB_EXAMPLE_RELEASE_URL, file_name=file_name)
expected_file_path = os.path.join(torch.hub.get_dir(), 'checkpoints', file_name)
self.assertTrue(os.path.exists(expected_file_path))
self.assertEqual(sum_of_state_dict(loaded_state), SUM_OF_HUB_EXAMPLE)
# with safe weight_only
loaded_state = hub.load_state_dict_from_url(TORCHHUB_EXAMPLE_RELEASE_URL, weights_only=True)
self.assertEqual(sum_of_state_dict(loaded_state), SUM_OF_HUB_EXAMPLE)
@retry(Exception, tries=3)
def test_load_legacy_zip_checkpoint(self):
with warnings.catch_warnings(record=True) as ws:
warnings.simplefilter("always")
hub_model = hub.load('ailzhang/torchhub_example', 'mnist_zip', pretrained=True, verbose=False)
self.assertEqual(sum_of_state_dict(hub_model.state_dict()), SUM_OF_HUB_EXAMPLE)
assert any("will be deprecated in favor of default zipfile" in str(w) for w in ws)
# Test the default zipfile serialization format produced by >=1.6 release.
@retry(Exception, tries=3)
def test_load_zip_1_6_checkpoint(self):
hub_model = hub.load(
'ailzhang/torchhub_example',
'mnist_zip_1_6',
pretrained=True,
verbose=False,
trust_repo=True
)
self.assertEqual(sum_of_state_dict(hub_model.state_dict()), SUM_OF_HUB_EXAMPLE)
@retry(Exception, tries=3)
def test_hub_parse_repo_info(self):
# If the branch is specified we just parse the input and return
self.assertEqual(
torch.hub._parse_repo_info('a/b:c'),
('a', 'b', 'c')
)
# For torchvision, the default branch is main
self.assertEqual(
torch.hub._parse_repo_info('pytorch/vision'),
('pytorch', 'vision', 'main')
)
# For the torchhub_example repo, the default branch is still master
self.assertEqual(
torch.hub._parse_repo_info('ailzhang/torchhub_example'),
('ailzhang', 'torchhub_example', 'master')
)
@retry(Exception, tries=3)
def test_load_commit_from_forked_repo(self):
with self.assertRaisesRegex(ValueError, 'If it\'s a commit from a forked repo'):
torch.hub.load('pytorch/vision:4e2c216', 'resnet18')
@retry(Exception, tries=3)
@patch('builtins.input', return_value='')
def test_trust_repo_false_emptystring(self, patched_input):
with self.assertRaisesRegex(Exception, 'Untrusted repository.'):
torch.hub.load('ailzhang/torchhub_example', 'mnist_zip_1_6', trust_repo=False)
self._assert_trusted_list_is_empty()
patched_input.assert_called_once()
patched_input.reset_mock()
with self.assertRaisesRegex(Exception, 'Untrusted repository.'):
torch.hub.load('ailzhang/torchhub_example', 'mnist_zip_1_6', trust_repo=False)
self._assert_trusted_list_is_empty()
patched_input.assert_called_once()
@retry(Exception, tries=3)
@patch('builtins.input', return_value='no')
def test_trust_repo_false_no(self, patched_input):
with self.assertRaisesRegex(Exception, 'Untrusted repository.'):
torch.hub.load('ailzhang/torchhub_example', 'mnist_zip_1_6', trust_repo=False)
self._assert_trusted_list_is_empty()
patched_input.assert_called_once()
patched_input.reset_mock()
with self.assertRaisesRegex(Exception, 'Untrusted repository.'):
torch.hub.load('ailzhang/torchhub_example', 'mnist_zip_1_6', trust_repo=False)
self._assert_trusted_list_is_empty()
patched_input.assert_called_once()
@retry(Exception, tries=3)
@patch('builtins.input', return_value='y')
def test_trusted_repo_false_yes(self, patched_input):
torch.hub.load('ailzhang/torchhub_example', 'mnist_zip_1_6', trust_repo=False)
self._assert_in_trusted_list("ailzhang_torchhub_example")
patched_input.assert_called_once()
# Loading a second time with "check", we don't ask for user input
patched_input.reset_mock()
torch.hub.load('ailzhang/torchhub_example', 'mnist_zip_1_6', trust_repo="check")
patched_input.assert_not_called()
# Loading again with False, we still ask for user input
patched_input.reset_mock()
torch.hub.load('ailzhang/torchhub_example', 'mnist_zip_1_6', trust_repo=False)
patched_input.assert_called_once()
@retry(Exception, tries=3)
@patch('builtins.input', return_value='no')
def test_trust_repo_check_no(self, patched_input):
with self.assertRaisesRegex(Exception, 'Untrusted repository.'):
torch.hub.load('ailzhang/torchhub_example', 'mnist_zip_1_6', trust_repo="check")
self._assert_trusted_list_is_empty()
patched_input.assert_called_once()
patched_input.reset_mock()
with self.assertRaisesRegex(Exception, 'Untrusted repository.'):
torch.hub.load('ailzhang/torchhub_example', 'mnist_zip_1_6', trust_repo="check")
patched_input.assert_called_once()
@retry(Exception, tries=3)
@patch('builtins.input', return_value='y')
def test_trust_repo_check_yes(self, patched_input):
torch.hub.load('ailzhang/torchhub_example', 'mnist_zip_1_6', trust_repo="check")
self._assert_in_trusted_list("ailzhang_torchhub_example")
patched_input.assert_called_once()
# Loading a second time with "check", we don't ask for user input
patched_input.reset_mock()
torch.hub.load('ailzhang/torchhub_example', 'mnist_zip_1_6', trust_repo="check")
patched_input.assert_not_called()
@retry(Exception, tries=3)
def test_trust_repo_true(self):
torch.hub.load('ailzhang/torchhub_example', 'mnist_zip_1_6', trust_repo=True)
self._assert_in_trusted_list("ailzhang_torchhub_example")
@retry(Exception, tries=3)
def test_trust_repo_builtin_trusted_owners(self):
torch.hub.load('pytorch/vision', 'resnet18', trust_repo="check")
self._assert_trusted_list_is_empty()
@retry(Exception, tries=3)
def test_trust_repo_none(self):
with warnings.catch_warnings(record=True) as w:
warnings.simplefilter("always")
torch.hub.load('ailzhang/torchhub_example', 'mnist_zip_1_6', trust_repo=None)
assert len(w) == 1
assert issubclass(w[-1].category, UserWarning)
assert "You are about to download and run code from an untrusted repository" in str(w[-1].message)
self._assert_trusted_list_is_empty()
@retry(Exception, tries=3)
def test_trust_repo_legacy(self):
# We first download a repo and then delete the allowlist file
# Then we check that the repo is indeed trusted without a prompt,
# because it was already downloaded in the past.
torch.hub.load('ailzhang/torchhub_example', 'mnist_zip_1_6', trust_repo=True)
os.remove(self.trusted_list_path)
torch.hub.load('ailzhang/torchhub_example', 'mnist_zip_1_6', trust_repo="check")
self._assert_trusted_list_is_empty()