[https://nvbugs/5617275][fix] Extract py files from prebuilt wheel for editable installs #8738
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Signed-off-by: Chang Liu (Enterprise Products) <[email protected]>
📝 WalkthroughWalkthroughExtends build packaging to include generated Python files from extension pipelines (deep_ep, deep_gemm, flash_mla) and C++ wrapper extensions. Updates precompiled wheel extraction to skip YAML files and restrict Python files to allowed directories. Adds tests verifying C++ extension wrapper files exist and are importable. Changes
Estimated code review effort🎯 3 (Moderate) | ⏱️ ~20 minutes
Pre-merge checks and finishing touches❌ Failed checks (1 warning)
✅ Passed checks (2 passed)
✨ Finishing touches
🧪 Generate unit tests (beta)
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Actionable comments posted: 2
🧹 Nitpick comments (1)
tests/unittest/utils/test_prebuilt_whl_cpp_extensions.py (1)
44-51: Preferimportlib.import_moduleover__import__.The coding guidelines recommend avoiding reflection when a simpler, explicit approach suffices. Using
importlib.import_moduleis more idiomatic and explicit than__import__.Apply this diff:
+ import importlib + failed_imports = [] for module_name, attr_name in import_tests: try: - module = __import__(module_name, fromlist=[attr_name]) + module = importlib.import_module(module_name) if not hasattr(module, attr_name):
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setup.py(2 hunks)tests/unittest/utils/test_prebuilt_whl_cpp_extensions.py(1 hunks)
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📓 Path-based instructions (3)
**/*.{h,hpp,hh,hxx,cpp,cxx,cc,cu,cuh,py}
📄 CodeRabbit inference engine (CODING_GUIDELINES.md)
Use only spaces, no tabs; indent with 4 spaces.
Files:
tests/unittest/utils/test_prebuilt_whl_cpp_extensions.pysetup.py
**/*.py
📄 CodeRabbit inference engine (CODING_GUIDELINES.md)
**/*.py: Python code must target Python 3.8+.
Indent Python code with 4 spaces; do not use tabs.
Maintain module namespace when importing; prefer 'from package.subpackage import foo' then 'foo.SomeClass()' instead of importing the class directly.
Python filenames should be snake_case (e.g., some_file.py).
Python classes use PascalCase names.
Functions and methods use snake_case names.
Local variables use snake_case; prefix 'k' for variables that start with a number (e.g., k_99th_percentile).
Global variables use upper SNAKE_CASE prefixed with 'G' (e.g., G_MY_GLOBAL).
Constants use upper SNAKE_CASE (e.g., MY_CONSTANT).
Avoid shadowing variables from an outer scope.
Initialize all externally visible members of a class in the constructor.
Prefer docstrings for interfaces that may be used outside a file; comments for in-function or file-local interfaces.
Use Google-style docstrings for classes and functions (Sphinx-parsable).
Document attributes and variables inline so they render under the class/function docstring.
Avoid reflection when a simpler, explicit approach suffices (e.g., avoid dict(**locals()) patterns).
In try/except, catch the most specific exceptions possible.
For duck-typing try/except, keep the try body minimal and use else for the main logic.
Files:
tests/unittest/utils/test_prebuilt_whl_cpp_extensions.pysetup.py
**/*.{cpp,cxx,cc,h,hpp,hh,hxx,cu,cuh,py}
📄 CodeRabbit inference engine (CODING_GUIDELINES.md)
Prepend the NVIDIA Apache-2.0 copyright header with current year to the top of all source files (e.g., .cpp, .h, .cu, .py).
Files:
tests/unittest/utils/test_prebuilt_whl_cpp_extensions.pysetup.py
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🔇 Additional comments (2)
setup.py (1)
121-126: LGTM! Package data patterns correctly extended.The addition of Python files and LICENSE files for the generated C++ extension wrappers (deep_ep, deep_gemm, flash_mla) aligns with the PR objective to support editable installs from prebuilt wheels.
tests/unittest/utils/test_prebuilt_whl_cpp_extensions.py (1)
8-56: Well-structured test coverage for C++ extension wrappers.The tests effectively verify:
- Presence of required Python wrapper files for each extension
- Importability and attribute exposure of the wrappers
- Clear, actionable error messages with diagnostic guidance
This aligns well with the PR objective to ensure prebuilt wheel extraction includes generated Python files for editable installs.
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…r editable installs (NVIDIA#8738) Signed-off-by: Chang Liu (Enterprise Products) <[email protected]> Signed-off-by: FredricZ-2007 <[email protected]>
4 participants
This PR fixes an import issue that only occurs when using editable installs with prebuilt wheels. Regular pip install or source builds are unaffected.
The problem lies in the
setup.pyextraction logic, which skips .py files during editable installs when using prebuilt wheels.This went unnoticed because:
1. Source builds: submodule init.py files are generated at build time, so they’re always present.
2. Normal pip installs: the wheel is unpacked directly into site-packages, ensuring all .py files exist.
Only the editable install + prebuilt wheel combination triggers the missing imports (e.g. tensorrt_llm.deep_gemm, deep_ep, flashMLA).
To repro (under a clean TensorRT-LLM code dir without build cache, e.g., no
./tensorrt_llm/deep_gemmdir):but with this PR,
TRTLLM_PRECOMPILED_LOCATION=... pip install ...should install it properly and have no more import errors.Summary by CodeRabbit
Enhancements
Tests
Description
Test Coverage
PR Checklist
Please review the following before submitting your PR:
PR description clearly explains what and why. If using CodeRabbit's summary, please make sure it makes sense.
PR Follows TRT-LLM CODING GUIDELINES to the best of your knowledge.
Test cases are provided for new code paths (see test instructions)
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Please check this after reviewing the above items as appropriate for this PR.
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