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pantsbuild / pants / 18827312341

27 Oct 2025 01:50AM UTC coverage: 65.106% (-15.2%) from 80.279%
18827312341

Pull #22806

github

web-flow
Merge 082bdd4c2 into 170094e99
Pull Request #22806: Updated Javascript dependencies and re-locked

3 of 3 new or added lines in 3 files covered. (100.0%)

8118 existing lines in 291 files now uncovered.

48695 of 74793 relevant lines covered (65.11%)

1.81 hits per line

Source File
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86.67
/src/python/pants/engine/internals/nodes.py
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# Copyright 2020 Pants project contributors (see CONTRIBUTORS.md).
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# Licensed under the Apache License, Version 2.0 (see LICENSE).
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from __future__ import annotations
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from dataclasses import dataclass
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from typing import Any, Optional
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@dataclass(frozen=True)
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class Return:
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    """Indicates that a Node successfully returned a value."""
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    value: Any
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_Frame = tuple[str, Optional[str]]
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@dataclass(frozen=True)
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class Throw:
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    """Indicates that a Node should have been able to return a value, but failed."""
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    exc: Exception
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    python_traceback: str | None = None
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    engine_traceback: tuple[_Frame, ...] = ()
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    def _render_frame(self, frame: _Frame, include_trace_on_error: bool) -> str | None:
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        """Renders either only the description (if set), or both the name and description."""
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        name, desc = frame
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        if include_trace_on_error:
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            return f"{name}\n    {desc or '..'}"
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        elif desc:
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            return f"{desc}"
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        else:
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            return None
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    def render(self, include_trace_on_error: bool) -> str:
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        all_rendered_frames = [
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            self._render_frame(frame, include_trace_on_error)
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            for frame in reversed(self.engine_traceback)
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        ]
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        rendered_frames = [f for f in all_rendered_frames if f]
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        engine_traceback_str = ""
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        if rendered_frames:
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            sep = "\n  in "
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            engine_traceback_str = "Engine traceback:" + sep + sep.join(rendered_frames) + "\n\n"
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        if include_trace_on_error:
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            python_traceback_str = f"{self.python_traceback}" if self.python_traceback else ""
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        else:
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            python_traceback_str = f"{type(self.exc).__name__}: {str(self.exc)}"
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        return f"{engine_traceback_str}{python_traceback_str}"
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