runner.py
python
sha256:a78e7e5a8740e03315f325d19edeb3aa1b306b3337d04abbaa9a9e0f3bbeb7a1
docs: MuseHub-first before ISR #74 — staging solidify NEXT
Human
2 days ago
| 1 | """Injectable command runner for VCS subprocess calls.""" |
| 2 | |
| 3 | from __future__ import annotations |
| 4 | |
| 5 | import shlex |
| 6 | import subprocess |
| 7 | from dataclasses import dataclass |
| 8 | from typing import Protocol |
| 9 | |
| 10 | |
| 11 | @dataclass(frozen=True) |
| 12 | class CommandResult: |
| 13 | stdout: str |
| 14 | stderr: str |
| 15 | exit_code: int |
| 16 | |
| 17 | @property |
| 18 | def ok(self) -> bool: |
| 19 | return self.exit_code == 0 |
| 20 | |
| 21 | |
| 22 | class CommandRunner(Protocol): |
| 23 | """Protocol for executing shell commands (real or mocked).""" |
| 24 | |
| 25 | def run(self, command: str, *, cwd: str | None = None) -> CommandResult: |
| 26 | """Execute ``command`` and return stdout/stderr/exit_code.""" |
| 27 | |
| 28 | |
| 29 | @dataclass |
| 30 | class SubprocessRunner: |
| 31 | """Production runner using ``subprocess``.""" |
| 32 | |
| 33 | def run(self, command: str, *, cwd: str | None = None) -> CommandResult: |
| 34 | completed = subprocess.run( |
| 35 | command, |
| 36 | shell=True, |
| 37 | cwd=cwd, |
| 38 | capture_output=True, |
| 39 | text=True, |
| 40 | ) |
| 41 | return CommandResult( |
| 42 | stdout=completed.stdout.strip(), |
| 43 | stderr=completed.stderr.strip(), |
| 44 | exit_code=completed.returncode, |
| 45 | ) |
| 46 | |
| 47 | |
| 48 | @dataclass |
| 49 | class RecordingRunner: |
| 50 | """Test runner that records commands and returns scripted responses.""" |
| 51 | |
| 52 | responses: dict[str, CommandResult] |
| 53 | calls: list[tuple[str, str | None]] |
| 54 | |
| 55 | def run(self, command: str, *, cwd: str | None = None) -> CommandResult: |
| 56 | self.calls.append((command, cwd)) |
| 57 | if command in self.responses: |
| 58 | return self.responses[command] |
| 59 | for pattern, result in self.responses.items(): |
| 60 | if pattern in command: |
| 61 | return result |
| 62 | return CommandResult(stdout="", stderr="unmocked command", exit_code=127) |
| 63 | |
| 64 | |
| 65 | def quote_arg(value: str) -> str: |
| 66 | """Shell-quote a single argument.""" |
| 67 | return shlex.quote(value) |
File History
2 commits
sha256:a78e7e5a8740e03315f325d19edeb3aa1b306b3337d04abbaa9a9e0f3bbeb7a1
docs: MuseHub-first before ISR #74 — staging solidify NEXT
Human
2 days ago
sha256:4671b7f787ddbe63ced31c895b688c77ab495653b65a730b423329f26b3c1439
feat: K1-P1 complete — agent provenance, build-verification…
Sonnet 4.6
patch
53 days ago