Function dump_to_file

src/black/output.py:113–122

Dump `output` to a temporary file. Return path to the file.

(*output: str, ensure_final_newline: bool = True)

@mypyc_attr(patchable=True)
def dump_to_file(*output: str, ensure_final_newline: bool = True) -> str:
    class="st">""class="st">"Dump `output` to a temporary file. Return path to the file."class="st">""
    with tempfile.NamedTemporaryFile(
        mode=class="st">"w", prefix=class="st">"blk_", suffix=class="st">".log", delete=False, encoding=class="st">"utf8"
    ) as f:
        for lines in output:
            f.write(lines)
            if ensure_final_newline and lines and lines[-1] != class="st">"\n":
                f.write(class="st">"\n")
    return f.name