class FDroidException(Exception):

    def __init__(self, value=None, detail=None):
        self.value = value
        self.detail = detail

    def shortened_detail(self):
        if len(self.detail) < 16000:
            return self.detail
        return '[...]\n' + self.detail[-16000:]

    def get_wikitext(self):
        ret = repr(self.value) + "\n"
        if self.detail:
            ret += "=detail=\n"
            ret += "<pre>\n" + self.shortened_detail() + "</pre>\n"
        return ret

    def __str__(self):
        if self.value is None:
            ret = __name__
        else:
            ret = str(self.value)
        if self.detail:
            ret += "\n==== detail begin ====\n%s\n==== detail end ====" % ''.join(self.detail).strip()
        return ret


class MetaDataException(Exception):

    def __init__(self, value):
        self.value = value

    def __str__(self):
        return self.value


class VCSException(FDroidException):
    pass


class NoSubmodulesException(VCSException):
    pass


class BuildException(FDroidException):
    pass


class VerificationException(FDroidException):
    pass