Huggingface retry generate_image with delay

autogpt/commands/image_gen.py

@@ -1,5 +1,7 @@
 """ Image Generation Module for AutoGPT."""
 import io
+import json
+import time
 import uuid
 from base64 import b64decode
 
@@ -61,20 +63,42 @@ def generate_image_with_hf(prompt: str, filename: str) -> str:
         "X-Use-Cache": "false",
     }
 
-    response = requests.post(
-        API_URL,
-        headers=headers,
-        json={
-            "inputs": prompt,
-        },
-    )
-
-    image = Image.open(io.BytesIO(response.content))
-    logger.info(f"Image Generated for prompt:{prompt}")
-
-    image.save(filename)
+    retry_count = 0
+    while retry_count < 10:
+        response = requests.post(
+            API_URL,
+            headers=headers,
+            json={
+                "inputs": prompt,
+            },
+        )
 
-    return f"Saved to disk:{filename}"
+        if response.ok:
+            try:
+                image = Image.open(io.BytesIO(response.content))
+                logger.info(f"Image Generated for prompt:{prompt}")
+                image.save(filename)
+                return f"Saved to disk:{filename}"
+            except Exception as e:
+                logger.error(e)
+                break
+        else:
+            try:
+                error = json.loads(response.text)
+                if "estimated_time" in error:
+                    delay = error["estimated_time"]
+                    logger.debug(response.text)
+                    logger.info("Retrying in", delay)
+                    time.sleep(delay)
+                else:
+                    break
+            except Exception as e:
+                logger.error(e)
+                break
+
+        retry_count += 1
+
+    return f"Error creating image."
 
 
 def generate_image_with_dalle(prompt: str, filename: str, size: int) -> str:

tests/test_image_gen.py

@@ -6,6 +6,7 @@
 from PIL import Image
 
 from autogpt.commands.image_gen import generate_image, generate_image_with_sd_webui
+from autogpt.config import Config
 from tests.utils import requires_api_key
 
 
@@ -19,7 +20,7 @@ def image_size(request):
     reason="The image is too big to be put in a cassette for a CI pipeline. We're looking into a solution."
 )
 @requires_api_key("OPENAI_API_KEY")
-def test_dalle(config, workspace, image_size, patched_api_requestor):
+def test_dalle(config, workspace, image_size):
     """Test DALL-E image generation."""
     generate_and_validate(
         config,
@@ -48,18 +49,18 @@ def test_huggingface(config, workspace, image_size, image_model):
     )
 
 
-@pytest.mark.skip(reason="External SD WebUI may not be available.")
+@pytest.mark.xfail(reason="SD WebUI call does not work.")
 def test_sd_webui(config, workspace, image_size):
     """Test SD WebUI image generation."""
     generate_and_validate(
         config,
         workspace,
-        image_provider="sdwebui",
+        image_provider="sd_webui",
         image_size=image_size,
     )
 
 
-@pytest.mark.skip(reason="External SD WebUI may not be available.")
+@pytest.mark.xfail(reason="SD WebUI call does not work.")
 def test_sd_webui_negative_prompt(config, workspace, image_size):
     gen_image = functools.partial(
         generate_image_with_sd_webui,
@@ -103,3 +104,106 @@ def generate_and_validate(
     assert image_path.exists()
     with Image.open(image_path) as img:
         assert img.size == (image_size, image_size)
+
+
+def test_huggingface_fail_request_with_delay(mocker):
+    config = Config()
+    config.huggingface_api_token = "1"
+
+    # Mock requests.post
+    mock_post = mocker.patch("requests.post")
+    mock_post.return_value.status_code = 500
+    mock_post.return_value.ok = False
+    mock_post.return_value.text = '{"error":"Model CompVis/stable-diffusion-v1-4 is currently loading","estimated_time":0}'
+
+    # Mock time.sleep
+    mock_sleep = mocker.patch("time.sleep")
+
+    config.image_provider = "huggingface"
+    config.huggingface_image_model = "CompVis/stable-diffusion-v1-4"
+
+    result = generate_image("astronaut riding a horse", 512)
+
+    assert result == "Error creating image."
+
+    # Verify retry was called with delay.
+    mock_sleep.assert_called_with(0)
+
+
+def test_huggingface_fail_request_no_delay(mocker):
+    config = Config()
+    config.huggingface_api_token = "1"
+
+    # Mock requests.post
+    mock_post = mocker.patch("requests.post")
+    mock_post.return_value.status_code = 500
+    mock_post.return_value.ok = False
+    mock_post.return_value.text = (
+        '{"error":"Model CompVis/stable-diffusion-v1-4 is currently loading"}'
+    )
+
+    # Mock time.sleep
+    mock_sleep = mocker.patch("time.sleep")
+
+    config.image_provider = "huggingface"
+    config.huggingface_image_model = "CompVis/stable-diffusion-v1-4"
+
+    result = generate_image("astronaut riding a horse", 512)
+
+    assert result == "Error creating image."
+
+    # Verify retry was not called.
+    mock_sleep.assert_not_called()
+
+
+def test_huggingface_fail_request_bad_json(mocker):
+    config = Config()
+    config.huggingface_api_token = "1"
+
+    # Mock requests.post
+    mock_post = mocker.patch("requests.post")
+    mock_post.return_value.status_code = 500
+    mock_post.return_value.ok = False
+    mock_post.return_value.text = '{"error:}'
+
+    # Mock time.sleep
+    mock_sleep = mocker.patch("time.sleep")
+
+    config.image_provider = "huggingface"
+    config.huggingface_image_model = "CompVis/stable-diffusion-v1-4"
+
+    result = generate_image("astronaut riding a horse", 512)
+
+    assert result == "Error creating image."
+
+    # Verify retry was not called.
+    mock_sleep.assert_not_called()
+
+
+def test_huggingface_fail_request_bad_image(mocker):
+    config = Config()
+    config.huggingface_api_token = "1"
+
+    # Mock requests.post
+    mock_post = mocker.patch("requests.post")
+    mock_post.return_value.status_code = 200
+
+    config.image_provider = "huggingface"
+    config.huggingface_image_model = "CompVis/stable-diffusion-v1-4"
+
+    result = generate_image("astronaut riding a horse", 512)
+
+    assert result == "Error creating image."
+
+
+def test_huggingface_fail_missing_api_token(mocker):
+    config = Config()
+    config.image_provider = "huggingface"
+    config.huggingface_image_model = "CompVis/stable-diffusion-v1-4"
+
+    # Mock requests.post to raise ValueError
+    mock_post = mocker.patch("requests.post", side_effect=ValueError)
+
+    # Verify request raises an error.
+    with pytest.raises(ValueError):
+        generate_image("astronaut riding a horse", 512)