template = r"""
\header {{
    tagline = ""
}}
{content}
"""

def render(user: str, source: str, png: bool = True) -> str:
    import tempfile
    import subprocess
    import utils
    import os

    fmt = template.format(content=source)

    tmp = tempfile.NamedTemporaryFile(delete=False)
    tmp.write(bytes(fmt, encoding="utf8"))
    tmp.close()
    if png:
        subprocess.run(["lilypond", "-d", "preview", "--png", "-dresolution=500", tmp.name], cwd="/tmp")
        return tmp.name + ".preview.png"

    subprocess.run(["lilypond", "-d", "preview", "--svg", tmp.name], cwd="/tmp")
    return tmp.name + "preview.svg"