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Lazy-load Gradio package facades to avoid import-time dependency failures
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📝 WalkthroughWalkthroughThis PR converts eager imports to lazy-import wrappers across the Gradio UI package. The top-level interface factory and multiple event-handler registration functions now defer their internal module imports until invocation, avoiding hard dependencies at module load time while preserving the public API. Changes
Estimated code review effort🎯 2 (Simple) | ⏱️ ~10 minutes Possibly related PRs
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Actionable comments posted: 1
🧹 Nitpick comments (2)
acestep/ui/gradio/events/wiring/__init__.py (1)
90-94:register_training_dataset_load_handlersilently erases required keyword-only parameters.The underlying function signature is
(context, *, button_key, path_key, status_key). The*args/**kwargswrapper hides the three required keyword-only arguments entirely; callers receive no IDE completion or static-analysis warning if they omit them. Errors only surface at call-time as aTypeError.If preserving the lazy-import approach, consider at minimum documenting the required keyword args in the docstring.
♻️ Proposed docstring improvement
def register_training_dataset_load_handler(*args: Any, **kwargs: Any) -> Any: - """Register training dataset load handlers via lazy import.""" + """Register training dataset load handlers via lazy import. + + Delegates to ``training_dataset_preprocess_wiring.register_training_dataset_load_handler``. + Required keyword-only args: ``button_key``, ``path_key``, ``status_key``. + """ from .training_dataset_preprocess_wiring import register_training_dataset_load_handler as _register🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@acestep/ui/gradio/events/wiring/__init__.py` around lines 90 - 94, The wrapper register_training_dataset_load_handler currently uses *args/**kwargs which hides the underlying required keyword-only parameters (button_key, path_key, status_key); change its signature to match the wrapped function: def register_training_dataset_load_handler(context, *, button_key, path_key, status_key) and forward those parameters to the lazily-imported _register call, and update the docstring to explicitly document the required keyword-only arguments so IDEs and static analysis can catch missing args.acestep/ui/gradio/__init__.py (1)
1-16: Consider declaring__all__to make the public API explicit.Without
__all__, afrom acestep.ui.gradio import *would inadvertently re-exportAnyandannotationsfrom the module namespace. A one-line declaration prevents that.♻️ Proposed addition
from typing import Any + +__all__ = ["create_gradio_interface"]🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@acestep/ui/gradio/__init__.py` around lines 1 - 16, Add an explicit __all__ to this module to make the public API explicit and avoid exporting imported names like Any or annotations; declare __all__ = ["create_gradio_interface"] near the top (after imports) so only the create_gradio_interface symbol is exported when using from acestep.ui.gradio import *; keep the existing lazy import and function name create_gradio_interface unchanged.
🤖 Prompt for all review comments with AI agents
Verify each finding against the current code and only fix it if needed.
Inline comments:
In `@acestep/ui/gradio/gradio_package_init_test.py`:
- Around line 10-13: The test
test_package_import_exposes_interface_factory_without_gradio_dependency
currently imports the real package so it never verifies the "without Gradio"
invariant; update the test to simulate Gradio being absent by inserting a
sentinel into sys.modules for the name "gradio" (or otherwise preventing import)
before importing or reloading the target module "acestep.ui.gradio", then
importlib.import_module("acestep.ui.gradio") and assert that
callable(module.create_gradio_interface) still holds; finally, restore or remove
the sys.modules entry so other tests aren’t affected. Ensure these steps
reference the module "acestep.ui.gradio" and the attribute
create_gradio_interface in the test.
---
Nitpick comments:
In `@acestep/ui/gradio/__init__.py`:
- Around line 1-16: Add an explicit __all__ to this module to make the public
API explicit and avoid exporting imported names like Any or annotations; declare
__all__ = ["create_gradio_interface"] near the top (after imports) so only the
create_gradio_interface symbol is exported when using from acestep.ui.gradio
import *; keep the existing lazy import and function name
create_gradio_interface unchanged.
In `@acestep/ui/gradio/events/wiring/__init__.py`:
- Around line 90-94: The wrapper register_training_dataset_load_handler
currently uses *args/**kwargs which hides the underlying required keyword-only
parameters (button_key, path_key, status_key); change its signature to match the
wrapped function: def register_training_dataset_load_handler(context, *,
button_key, path_key, status_key) and forward those parameters to the
lazily-imported _register call, and update the docstring to explicitly document
the required keyword-only arguments so IDEs and static analysis can catch
missing args.
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📒 Files selected for processing (3)
acestep/ui/gradio/__init__.pyacestep/ui/gradio/events/wiring/__init__.pyacestep/ui/gradio/gradio_package_init_test.py
Comment on lines
+10
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+13
| def test_package_import_exposes_interface_factory_without_gradio_dependency(self): | ||
| """Importing package should succeed and expose the create facade callable.""" | ||
| module = importlib.import_module("acestep.ui.gradio") | ||
| self.assertTrue(callable(module.create_gradio_interface)) |
Contributor
There was a problem hiding this comment.
Test does not enforce the "without Gradio" invariant it claims to verify.
importlib.import_module here runs in an environment where Gradio is installed, so the test passes even if __init__.py eagerly imports Gradio. If the lazy-import pattern were reverted, nothing would break this test. The method name and docstring assert a property that is never actually tested.
To enforce the contract, block the gradio import via sys.modules before re-importing the module under test.
🛡️ Proposed fix
import importlib
+import sys
import unittest
+from unittest.mock import patch
class GradioPackageInitTests(unittest.TestCase):
"""Verify `acestep.ui.gradio` imports without requiring Gradio at import time."""
def test_package_import_exposes_interface_factory_without_gradio_dependency(self):
- """Importing package should succeed and expose the create facade callable."""
- module = importlib.import_module("acestep.ui.gradio")
- self.assertTrue(callable(module.create_gradio_interface))
+ """Package import succeeds and exposes a callable facade even when Gradio is absent."""
+ # Evict the cached module so the import actually re-executes.
+ sys.modules.pop("acestep.ui.gradio", None)
+ # Setting the key to None makes `import gradio` raise ImportError,
+ # simulating an environment without Gradio installed.
+ with patch.dict(sys.modules, {"gradio": None}):
+ module = importlib.import_module("acestep.ui.gradio")
+ self.assertTrue(callable(module.create_gradio_interface))📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
Suggested change
| def test_package_import_exposes_interface_factory_without_gradio_dependency(self): | |
| """Importing package should succeed and expose the create facade callable.""" | |
| module = importlib.import_module("acestep.ui.gradio") | |
| self.assertTrue(callable(module.create_gradio_interface)) | |
| import importlib | |
| import sys | |
| import unittest | |
| from unittest.mock import patch | |
| class GradioPackageInitTests(unittest.TestCase): | |
| """Verify `acestep.ui.gradio` imports without requiring Gradio at import time.""" | |
| def test_package_import_exposes_interface_factory_without_gradio_dependency(self): | |
| """Package import succeeds and exposes a callable facade even when Gradio is absent.""" | |
| # Evict the cached module so the import actually re-executes. | |
| sys.modules.pop("acestep.ui.gradio", None) | |
| # Setting the key to None makes `import gradio` raise ImportError, | |
| # simulating an environment without Gradio installed. | |
| with patch.dict(sys.modules, {"gradio": None}): | |
| module = importlib.import_module("acestep.ui.gradio") | |
| self.assertTrue(callable(module.create_gradio_interface)) |
🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.
In `@acestep/ui/gradio/gradio_package_init_test.py` around lines 10 - 13, The test
test_package_import_exposes_interface_factory_without_gradio_dependency
currently imports the real package so it never verifies the "without Gradio"
invariant; update the test to simulate Gradio being absent by inserting a
sentinel into sys.modules for the name "gradio" (or otherwise preventing import)
before importing or reloading the target module "acestep.ui.gradio", then
importlib.import_module("acestep.ui.gradio") and assert that
callable(module.create_gradio_interface) still holds; finally, restore or remove
the sys.modules entry so other tests aren’t affected. Ensure these steps
reference the module "acestep.ui.gradio" and the attribute
create_gradio_interface in the test.
Contributor
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please solve comments |
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Summary by CodeRabbit
Refactor
Tests