Function _check_installer_log

tests/test_examples.py:149–173

(install_dir)

def _check_installer_log(install_dir):
    # Windows installers won't raise exit codes so we need to check the log file
    error_lines = []
    try:
        log_is_empty = True
        with open(os.path.join(install_dir, "install.log"), encoding="utf-16-le") as f:
            print("Installer log:", file=sys.stderr)
            for line in f:
                log_is_empty = False
                print(line, end="", file=sys.stderr)
                if ":error:" in line.lower():
                    error_lines.append(line)
        if log_is_empty:
            error_lines.append("Logfile was unexpectedly empty!")
    except Exception as exc:
        error_lines.append(
            f"Could not read logs! {exc.__class__.__name__}: {exc}\n"
            "Did you install the 'log' variant of nsis? 'conda install conda-forge::nsis=*=*log*'\n"
            "Once you have installed it, set NSIS_USING_LOG_BUILD=1.\n"
            "Otherwise, this usually means that the destination folder could not be created.\n"
            "Possible causes: permissions, non-supported characters, long paths...\n"
            "Consider setting 'check_path_spaces' to 'False'."
        )
    if error_lines:
        raise AssertionError("\n".join(error_lines))


def _run_installer_exe(