Consolidate and fix forbidden import pre-commit checks (#33982)
Signed-off-by: Harry Mellor <19981378+hmellor@users.noreply.github.com>
This commit is contained in:
Harry Mellor
142
tools/pre_commit/check_forbidden_imports.py
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142
tools/pre_commit/check_forbidden_imports.py
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#!/usr/bin/env python3
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# SPDX-License-Identifier: Apache-2.0
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# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
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import sys
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from dataclasses import dataclass, field
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import regex as re
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@dataclass
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class ForbiddenImport:
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pattern: str
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tip: str
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allowed_pattern: re.Pattern = re.compile(r"^$") # matches nothing by default
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allowed_files: set[str] = field(default_factory=set)
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CHECK_IMPORTS = {
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"pickle/cloudpickle": ForbiddenImport(
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pattern=(
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r"^\s*(import\s+(pickle|cloudpickle)(\s|$|\sas)"
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r"|from\s+(pickle|cloudpickle)\s+import\b)"
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),
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tip=(
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"Avoid using pickle or cloudpickle or add this file to "
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"tools/pre_commit/check_forbidden_imports.py."
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),
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allowed_files={
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# pickle
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"vllm/multimodal/hasher.py",
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"vllm/transformers_utils/config.py",
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"vllm/model_executor/models/registry.py",
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"vllm/compilation/caching.py",
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"vllm/compilation/piecewise_backend.py",
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"vllm/distributed/utils.py",
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"vllm/distributed/parallel_state.py",
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"vllm/distributed/device_communicators/all_reduce_utils.py",
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"vllm/distributed/device_communicators/shm_broadcast.py",
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"vllm/distributed/device_communicators/shm_object_storage.py",
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"vllm/utils/hashing.py",
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"tests/multimodal/media/test_base.py",
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"tests/tokenizers_/test_hf.py",
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"tests/utils_/test_hashing.py",
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"tests/compile/test_aot_compile.py",
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"benchmarks/kernels/graph_machete_bench.py",
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"benchmarks/kernels/benchmark_lora.py",
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"benchmarks/kernels/benchmark_machete.py",
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"benchmarks/fused_kernels/layernorm_rms_benchmarks.py",
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"benchmarks/cutlass_benchmarks/w8a8_benchmarks.py",
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"benchmarks/cutlass_benchmarks/sparse_benchmarks.py",
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# cloudpickle
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"vllm/v1/executor/multiproc_executor.py",
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"vllm/v1/executor/ray_executor.py",
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"vllm/entrypoints/llm.py",
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"tests/utils.py",
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# pickle and cloudpickle
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"vllm/v1/serial_utils.py",
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},
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),
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"re": ForbiddenImport(
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pattern=r"^\s*(?:import\s+re(?:$|\s|,)|from\s+re\s+import)",
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tip="Replace 'import re' with 'import regex as re' or 'import regex'.",
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allowed_pattern=re.compile(r"^\s*import\s+regex(\s*|\s+as\s+re\s*)$"),
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allowed_files={"setup.py"},
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),
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"triton": ForbiddenImport(
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pattern=r"^(from|import)\s+triton(\s|\.|$)",
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tip="Use 'from vllm.triton_utils import triton' instead.",
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allowed_pattern=re.compile(
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"from vllm.triton_utils import (triton|tl|tl, triton)"
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),
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allowed_files={"vllm/triton_utils/importing.py"},
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),
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}
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def check_file(path: str) -> int:
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with open(path, encoding="utf-8") as f:
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content = f.read()
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return_code = 0
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# Check all patterns in the whole file
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for import_name, forbidden_import in CHECK_IMPORTS.items():
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# Skip files that are allowed for this import
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if path in forbidden_import.allowed_files:
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continue
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# Search for forbidden imports
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for match in re.finditer(forbidden_import.pattern, content, re.MULTILINE):
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# Check if it's allowed
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if forbidden_import.allowed_pattern.match(match.group()):
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continue
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# Calculate line number from match position
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line_num = content[: match.start() + 1].count("\n") + 1
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print(
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f"{path}:{line_num}: "
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"\033[91merror:\033[0m " # red color
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f"Found forbidden import: {import_name}. {forbidden_import.tip}"
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)
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return_code = 1
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return return_code
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def main():
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returncode = 0
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for path in sys.argv[1:]:
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returncode |= check_file(path)
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return returncode
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def test_regex():
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test_cases = [
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# Should match
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("import pickle", True),
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("import cloudpickle", True),
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("import pickle as pkl", True),
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("import cloudpickle as cpkl", True),
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("from pickle import *", True),
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("from cloudpickle import dumps", True),
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("from pickle import dumps, loads", True),
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("from cloudpickle import (dumps, loads)", True),
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(" import pickle", True),
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("\timport cloudpickle", True),
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("from pickle import loads", True),
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# Should not match
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("import somethingelse", False),
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("from somethingelse import pickle", False),
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("# import pickle", False),
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("print('import pickle')", False),
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("import pickleas as asdf", False),
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]
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for i, (line, should_match) in enumerate(test_cases):
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result = bool(CHECK_IMPORTS["pickle/cloudpickle"].pattern.match(line))
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assert result == should_match, (
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f"Test case {i} failed: '{line}' (expected {should_match}, got {result})"
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)
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print("All regex tests passed.")
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if __name__ == "__main__":
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if "--test-regex" in sys.argv:
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test_regex()
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else:
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sys.exit(main())
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