Function parse has a Cognitive Complexity of 17 (exceeds 5 allowed). Consider refactoring.

Open

    def parse(url: str) -> UtatenLyricPage:
        """Parse the url page and return the result as LyricPage instance."""
        pattern = re.compile(_UTATEN_PATTERN)
        m = re.match(pattern, url)
        pageid = get_captured_value(m, "pageid")

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Function get_lyric_text has a Cognitive Complexity of 13 (exceeds 5 allowed). Consider refactoring.

Open

def get_lyric_text(url: str) -> str | None:
    """CLI main."""
    r = parse(url)

    if r is None:

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Function parse has 31 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    def parse(url: str) -> UtatenLyricPage:
        """Parse the url page and return the result as LyricPage instance."""
        pattern = re.compile(_UTATEN_PATTERN)
        m = re.match(pattern, url)
        pageid = get_captured_value(m, "pageid")

Function parse has 27 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    def parse(url: str) -> PetitlyricsLyricPage:
        """Parse the url page and return the result as LyricPage instance."""
        pattern = re.compile(_PETITLYRICS_PATTERN)
        m = re.match(pattern, url)
        pageid = get_captured_value(m, "pageid")

Function parse has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

    def parse(url: str) -> UtanetLyricPage:
        """Parse the url page and return the result as LyricPage instance."""
        pattern = re.compile(_UTANET_PATTERN)
        m = re.match(pattern, url)
        pageid = get_captured_value(m, "pageid")

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Function parse has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

    def parse(url: str) -> PetitlyricsLyricPage:
        """Parse the url page and return the result as LyricPage instance."""
        pattern = re.compile(_PETITLYRICS_PATTERN)
        m = re.match(pattern, url)
        pageid = get_captured_value(m, "pageid")

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Function parse has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

    def parse(url: str) -> JlyricLyricPage:
        """Parse the url page and return the result as LyricPage instance."""
        pattern = re.compile(_JLYRIC_PATTERN)
        m = re.match(pattern, url)
        pageid = get_captured_value(m, "pageid")

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Function get_source has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

def get_source(
    url: str,
    *,
    data: dict[str, str | int] | None = None,
    method: Literal["get", "post"] | None = "get",

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Function get_source has 6 arguments (exceeds 4 allowed). Consider refactoring.

Open

def get_source(

Function parse has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

Open

    def parse(url: str) -> GakkiLyricPage:
        """Parse the url page and return the result as LyricPage instance."""
        pattern = re.compile(_GAKKI_PATTERN)
        m = re.match(pattern, url)
        pageid = get_captured_value(m, "pageid")

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Function parse has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

Open

    def parse(url: str) -> MusicbookLyricPage:
        """Parse the url page and return the result as LyricPage instance."""
        pattern = re.compile(_MUSICBOOK_PATTERN)
        m = re.match(pattern, url)
        artistid = get_captured_value(m, "artistid")

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Function convert_lines_into_sections has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

Open

def convert_lines_into_sections(lines: list[str]) -> list[list[str]]:
    lyric_sections = []
    now: list[str] = []
    for line in [*lines, ""]:
        if not line:

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