mirror of
https://github.com/norandom/OpenUltraSAST.git
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74 lines
3.2 KiB
Python
74 lines
3.2 KiB
Python
"""Where the `[[layout]]` facts meet a repository: which paths are vendored, which are tests.
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One place, imported by the preprocessor (vendored trees leave the targets), the scan (test regions are
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not product, and vendored directories leave the graph) and the position benchmark (so it measures the
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order the scan spends). Facts are rows; this is only the matching.
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"""
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from __future__ import annotations
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import fnmatch
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from collections.abc import Iterable, Sequence
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from pathlib import Path
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from ..semantic.facts import LayoutFact, load_facts
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from .regions import ScanRegion
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def layout_facts(language: str | None = None) -> tuple[LayoutFact, ...]:
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"""The layout rows -- for one language, or for every language when the question is about a tree."""
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facts = load_facts()
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return tuple(facts.for_language(language).layouts if language else facts.layouts)
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def _matches(relative: str, patterns: Iterable[str]) -> bool:
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"""gitignore-style: `dir/` names a directory at any depth, anything else a path or basename glob."""
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parts = relative.split("/")
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for pattern in patterns:
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if pattern.endswith("/"):
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directory = pattern.rstrip("/")
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if any(
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fnmatch.fnmatch("/".join(parts[start:end]), directory)
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for start in range(len(parts))
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for end in range(start + 1, len(parts) + 1)
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):
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return True
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elif fnmatch.fnmatch(relative, pattern) or fnmatch.fnmatch(parts[-1], pattern):
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return True
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return False
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def is_vendored(relative: str, facts: Sequence[LayoutFact] | None = None) -> bool:
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rows = facts if facts is not None else layout_facts()
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return _matches(relative, (p for fact in rows for p in fact.vendored))
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def is_test_path(relative: str, facts: Sequence[LayoutFact] | None = None) -> bool:
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rows = facts if facts is not None else layout_facts()
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return _matches(relative, (p for fact in rows for p in fact.tests))
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def vendored_directories(root: Path, facts: Sequence[LayoutFact] | None = None) -> tuple[str, ...]:
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"""The vendored directories actually present under ``root``, repository-relative, shallowest first --
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what a frontend's ``--exclude`` takes."""
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rows = facts if facts is not None else layout_facts()
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names = {p.rstrip("/") for fact in rows for p in fact.vendored if p.endswith("/")}
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found: list[str] = []
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for path in sorted(root.rglob("*")):
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if not path.is_dir() or path.name not in names:
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continue
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relative = path.relative_to(root).as_posix()
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if any(relative.startswith(f"{seen}/") for seen in found):
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continue # already covered by a shallower vendored directory
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found.append(relative)
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return tuple(found)
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def with_layout(regions: Sequence[ScanRegion], facts: Sequence[LayoutFact] | None = None) -> tuple[ScanRegion, ...]:
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"""Test-path regions marked not shipped -- ordered after the product's, never removed. A region a
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build manifest already declared shipped stays so: the manifest is the project's own word."""
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from dataclasses import replace
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rows = facts if facts is not None else layout_facts()
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return tuple(replace(r, shipped=False) if r.shipped and is_test_path(r.path, rows) else r for r in regions)
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