Class InstallationFailure

tests/test_examples.py:386–410

@dataclass
class InstallationFailure(RuntimeError):
    cmd: list[str]
    returncode: int
    msi_log: Path | None = None
    post_install_log: Path | None = None

    def read_text(self, last_digits: int = -15000) -> str:
        parts = [
            f"Command: {self.cmd}",
            f"Return code: {self.returncode}",
        ]

        if self.post_install_log:
            parts.append(
                f"\n=== MSI LOG POST INSTALL: {self.post_install_log} ===\n"
                + _read_briefcase_log_tail(self.post_install_log, last_digits)
            )

        if self.msi_log:
            parts.append(
                f"\n=== MSI LOG: {self.msi_log} ===\n"
                + _read_briefcase_log_tail(self.msi_log, last_digits)
            )

        return "\n".join(parts)


@dataclass