def _load_memo1_file(lines: List[str]) -> Song:
parser = Memo1Parser()
for i, raw_line in enumerate(lines, start=1):
try:
parser.load_line(raw_line)
except Exception as e:
raise SyntaxError(f"On line {i}\n{e}")
parser.finish_last_few_notes()
metadata = Metadata(
title=parser.title,
artist=parser.artist,
audio=none_or(Path, parser.music),
cover=none_or(Path, parser.jacket),
)
if parser.preview_start is not None:
metadata.preview = Preview(start=SecondsTime(parser.preview_start) /
1000,
length=SecondsTime(10))
timing = Timing(events=parser.timing_events,
beat_zero_offset=SecondsTime(parser.offset) / 1000)
charts = {
parser.difficulty or "EXT":
Chart(
level=Decimal(parser.level),
timing=timing,
notes=sorted(parser.notes(), key=lambda n: (n.time, n.position)),
)
}
return Song(metadata=metadata, charts=charts)
def test_that_a_single_long_note_roundtrips(note: LongNote) -> None:
timing = Timing(
events=[BPMEvent(BeatsTime(0), Decimal(120))], beat_zero_offset=SecondsTime(0)
)
chart = Chart(level=Decimal(0), timing=timing, notes=[note])
metadata = Metadata("", "", Path(""), Path(""))
string_io = _dump_mono_column_chart("", chart, metadata, timing)
chart_text = string_io.getvalue()
parser = MonoColumnParser()
for line in chart_text.split("\n"):
parser.load_line(line)
actual = set(parser.notes())
assert set([note]) == actual
def chart(
draw: DrawFunc,
timing_strat: st.SearchStrategy[Timing] = timing_info(),
notes_strat: st.SearchStrategy[Iterable[Union[TapNote,
LongNote]]] = notes(),
level_strat: st.SearchStrategy[Union[int, Decimal]] = level(),
) -> Chart:
level = Decimal(draw(level_strat))
timing = draw(timing_strat)
notes = draw(notes_strat)
return Chart(
level=level,
timing=timing,
notes=sorted(notes, key=lambda n: (n.time, n.position)),
)
def test_that_notes_roundtrip(notes: List[Union[TapNote, LongNote]]) -> None:
timing = Timing(events=[BPMEvent(BeatsTime(0), Decimal(120))],
beat_zero_offset=SecondsTime(0))
chart = Chart(
level=Decimal(0),
timing=timing,
notes=sorted(notes, key=lambda n: (n.time, n.position)),
)
metadata = Metadata("", "", Path(""), Path(""))
string_io = _dump_memo2_chart("", chart, metadata, timing)
chart_text = string_io.getvalue()
parser = Memo2Parser()
for line in chart_text.split("\n"):
parser.load_line(line)
parser.finish_last_few_notes()
actual = set(parser.notes())
assert notes == actual
def test_that_a_set_of_tap_notes_roundtrip(notes: Set[TapNote]) -> None:
timing = Timing(
events=[BPMEvent(BeatsTime(0), Decimal(120))], beat_zero_offset=SecondsTime(0)
)
chart = Chart(
level=Decimal(0),
timing=timing,
notes=sorted(notes, key=lambda n: (n.time, n.position)),
)
metadata = Metadata("", "", Path(""), Path(""))
string_io = _dump_mono_column_chart("", chart, metadata, timing)
chart_text = string_io.getvalue()
parser = MonoColumnParser()
for line in chart_text.split("\n"):
parser.load_line(line)
actual = set(parser.notes())
assert notes == actual