delete hf cache only for single models in testing

python/tests/test_transformers.py

@@ -1,6 +1,7 @@
 import inspect
 import json
 import os
+import re
 import shutil
 
 import numpy as np
@@ -11,17 +12,23 @@
 
 
 @pytest.fixture
-def clear_transformers_cache():
+def clear_transformers_cache(request):
     """Clears the Transformers model cache after each test when running in a CI."""
     yield
-    clear_transformers_cache_in_ci()
+    model_name = request.param if hasattr(request, "param") else request.node.nodeid
+    clear_transformers_cache_in_ci(model_name)
 
 
-def clear_transformers_cache_in_ci():
+def clear_transformers_cache_in_ci(model_name: str):
     import transformers
 
+    match = re.search(r"\[(.*?)\]", model_name)
+    path = os.path.join(
+        transformers.utils.default_cache_path,
+        f"models--{match.group(1).replace('/', '--')}",
+    )
     if os.environ.get("CI") == "true":
-        shutil.rmtree(transformers.utils.default_cache_path)
+        shutil.rmtree(path)
 
 
 _TRANSFORMERS_TRANSLATION_TESTS = [
@@ -228,6 +235,9 @@ def test_transformers_generation(
 
 
 @test_utils.only_on_linux
+@pytest.mark.parametrize(
+    "clear_transformers_cache", ["[facebook/opt-350m]"], indirect=True
+)
 def test_transformers_dtype(clear_transformers_cache, tmp_dir):
     converter = ctranslate2.converters.TransformersConverter("facebook/opt-350m")
     output_dir = str(tmp_dir.join("ctranslate2_model"))
@@ -240,6 +250,9 @@ def test_transformers_dtype(clear_transformers_cache, tmp_dir):
 
 
 @test_utils.only_on_linux
+@pytest.mark.parametrize(
+    "clear_transformers_cache", ["[Helsinki-NLP/opus-mt-en-de]"], indirect=True
+)
 def test_transformers_marianmt_vocabulary(clear_transformers_cache, tmp_dir):
     converter = ctranslate2.converters.TransformersConverter(
         "Helsinki-NLP/opus-mt-en-de"
@@ -256,6 +269,9 @@ def test_transformers_marianmt_vocabulary(clear_transformers_cache, tmp_dir):
 
 @test_utils.only_on_linux
 @pytest.mark.parametrize("beam_size", [1, 2])
+@pytest.mark.parametrize(
+    "clear_transformers_cache", ["[Helsinki-NLP/opus-mt-en-roa]"], indirect=True
+)
 def test_transformers_marianmt_disable_unk(
     clear_transformers_cache, tmp_dir, beam_size
 ):
@@ -282,6 +298,16 @@ def test_transformers_marianmt_disable_unk(
         "typeform/distilbert-base-uncased-mnli",
     ],
 )
+@pytest.mark.parametrize(
+    "clear_transformers_cache",
+    [
+        "[bert-base-uncased]",
+        "[distilbert-base-uncased]",
+        "[distilbert-base-cased-distilled-squad]",
+        "[typeform/distilbert-base-uncased-mnli]",
+    ],
+    indirect=True,
+)
 def test_transformers_encoder(clear_transformers_cache, tmp_dir, device, model_name):
     import torch
     import transformers
@@ -344,6 +370,11 @@ def _to_numpy(storage, device):
 
 
 @test_utils.only_on_linux
+@pytest.mark.parametrize(
+    "clear_transformers_cache",
+    ["[hf-internal-testing/tiny-random-GPTBigCodeForCausalLM]"],
+    indirect=True,
+)
 def test_transformers_gptbigcode(clear_transformers_cache, tmp_dir):
     import transformers
 
@@ -385,7 +416,7 @@ def _check_generator_logits(
 class TestGeneration:
     @classmethod
     def teardown_class(cls):
-        clear_transformers_cache_in_ci()
+        clear_transformers_cache_in_ci("[gpt2]")
 
     @test_utils.only_on_linux
     def test_transformers_lm_scoring(self, tmp_dir):
@@ -683,7 +714,8 @@ def test_transformers_generator_token_streaming_early_stop(self, tmp_dir):
 class TestWhisper:
     @classmethod
     def teardown_class(cls):
-        clear_transformers_cache_in_ci()
+        clear_transformers_cache_in_ci("[openai/whisper-tiny]")
+        clear_transformers_cache_in_ci("[openai/whisper-tiny.en]")
 
     @test_utils.only_on_linux
     @test_utils.on_available_devices
@@ -948,7 +980,7 @@ def test_transformers_whisper_include_tokenizer_json(self, tmp_dir):
 class TestWav2Vec2:
     @classmethod
     def teardown_class(cls):
-        clear_transformers_cache_in_ci()
+        clear_transformers_cache_in_ci("[facebook/wav2vec2-large-robust-ft-swbd-300h]")
 
     @test_utils.only_on_linux
     @test_utils.on_available_devices
@@ -1028,7 +1060,7 @@ def test_transformers_wav2vec2(
 class TestWav2Vec2Bert:
     @classmethod
     def teardown_class(cls):
-        clear_transformers_cache_in_ci()
+        clear_transformers_cache_in_ci("[hf-audio/wav2vec2-bert-CV16-en]")
 
     @test_utils.only_on_linux
     @test_utils.on_available_devices