How to use the dungeonsheets.weapons function in dungeonsheets

speed = "30 (30 swim)"
    features = (feats.Amphibious, feats.ControlAirAndWater,
                feats.EmissaryOfTheSea, feats.GuardiansOfTheDepths)
    languages = ("Common", "Primordial")
    spells_known = (spells.FogCloud,)


# Aarakocra
class Aarakocra(Race):
    name = 'Aarakocra'
    size = 'medium'
    speed = "25 (50 fly)"
    dexterity_bonus = 2
    wisdom_bonus = 1
    languages = ('Common', 'Aarakocra', 'Auran')
    weapon_proficiencies = (weapons.Talons,)
    proficiences_text = ('Talons',)

    def __init__(self, owner=None):
        super().__init__(owner=owner)
        self.owner.wield_weapon("talons")


# Genasi
class _Genasi(Race):
    name = "Genasi"
    constitution_bonus = 2
    size = 'medium'
    speed = 30
    languages = ("Common", 'Primoridal')

class_name = 'Druid'
    circle = ""  # moon, land
    _wild_shapes = ()
    hit_dice_faces = 8
    saving_throw_proficiencies = ('intelligence', 'wisdom')
    spellcasting_ability = 'wisdom'
    languages = 'Druidic'
    _proficiencies_text = (
        'Light armor', 'medium armor',
        'shields (druids will not wear armor or use shields made of metal)',
        'clubs', 'daggers', 'darts', 'javelins', 'maces', 'quarterstaffs',
        'scimitars', 'sickles', 'slings', 'spears')
    weapon_proficiencies = (weapons.Club, weapons.Dagger, weapons.Dart,
                            weapons.Javelin, weapons.Mace,
                            weapons.Quarterstaff, weapons.Scimitar,
                            weapons.Sickle, weapons.Sling, weapons.Spear)
    class_skill_choices = ('Arcana', 'Animal Handling', 'Insight',
                           'Medicine', 'Nature', 'Perception', 'Religion',
                           'Survival')
    spell_slots_by_level = {
        1:  (2, 2, 0, 0, 0, 0, 0, 0, 0, 0),
        2:  (2, 3, 0, 0, 0, 0, 0, 0, 0, 0),
        3:  (2, 4, 2, 0, 0, 0, 0, 0, 0, 0),
        4:  (3, 4, 3, 0, 0, 0, 0, 0, 0, 0),
        5:  (3, 4, 3, 2, 0, 0, 0, 0, 0, 0),
        6:  (3, 4, 3, 3, 0, 0, 0, 0, 0, 0),
        7:  (3, 4, 3, 3, 1, 0, 0, 0, 0, 0),
        8:  (3, 4, 3, 3, 2, 0, 0, 0, 0, 0),
        9:  (3, 4, 3, 3, 3, 1, 0, 0, 0, 0),
        10: (4, 4, 3, 3, 3, 2, 0, 0, 0, 0),
        11: (4, 4, 3, 3, 3, 2, 1, 0, 0, 0),
        12: (4, 4, 3, 3, 3, 2, 1, 0, 0, 0),

features_by_level[6] = [features.MantleOfWhispers]
    features_by_level[14] = [features.ShadowLore]


class Bard(CharClass):
    name = 'Bard'
    hit_dice_faces = 8
    subclass_select_level = 3
    saving_throw_proficiencies = ('dexterity', 'charisma')
    primary_abilities = ('charisma',)
    _proficiencies_text = (
        'Light armor', 'simple weapons', 'hand crossbows', 'longswords',
        'rapiers', 'shortswords', 'three musical instruments of your choice')
    weapon_proficiencies = (weapons.HandCrossbow, weapons.Longsword,
                            weapons.Rapier, weapons.Shortsword,
                            weapons.SimpleWeapon)
    class_skill_choices = ('Acrobatics', 'Animal Handling', 'Arcana',
                           'Athletics', 'Deception', 'History', 'Insight',
                           'Intimidation', 'Investigation', 'Medicine',
                           'Nature', 'Perception', 'Performance', 'Persuasion',
                           'Religion', 'Sleight of Hand', 'Stealth',
                           'Survival')
    multiclass_weapon_proficiencies = ()
    _multiclass_proficiencies_text = ('Light Armor', '[choose one skill]',
                                      '[choose one musical instrument]')
    num_skill_choices = 3
    subclasses_available = (CollegeOfLore, CollegeOfValor, CollegeOfGlamour,
                            CollegeOfSwords, CollegeOfWhispers)
    features_by_level = defaultdict(list)
    features_by_level[1] = [features.BardicInspiration]
    features_by_level[2] = [features.SongOfRest, features.JackOfAllTrades]
    features_by_level[3] = [features.BardExpertise]

weapon_proficiencies = weapons.simple_weapons + (
        weapons.HandCrossbow, weapons.Longsword, weapons.Rapier,
        weapons.Shortsword)
    class_skill_choices = ('Acrobatics', 'Athletics', 'Deception',
                           'Insight', 'Intimidation', 'Investigation',
                           'Perception', 'Performance', 'Persuasion',
                           'Sleight of Hand', 'Stealth')


class Sorceror(CharClass):
    class_name = 'Sorceror'
    hit_dice_faces = 6
    saving_throw_proficiencies = ('constitution', 'charisma')
    _proficiencies_text = ('daggers', 'darts', 'slings',
                           'quarterstaffs', 'light crossbows')
    weapon_proficiencies = (weapons.Dagger, weapons.Dart,
                            weapons.Sling, weapons.Quarterstaff,
                            weapons.LightCrossbow)
    class_skill_choices = ('Arcana', 'Deception', 'Insight',
                           'Intimidation', 'Persuasion', 'Religion')


class Warlock(CharClass):
    class_name = 'Warlock'
    hit_dice_faces = 8
    saving_throw_proficiencies = ('wisdom', 'charisma')
    _proficiencies_text = ("light Armor", "simple weapons")
    class_skill_choices = ('Arcana', 'Deception', 'History',
                           'Intimidation', 'Investigation', 'Nature',
                           'Religion')
    weapon_proficiencies = weapons.simple_weapons
    spellcasting_ability = 'charisma'

features_by_level[3] = [features.PathOfTheKensei]
    features_by_level[6] = [features.OneWithTheBlade]
    features_by_level[11] = [features.SharpenTheBlade]
    features_by_level[17] = [features.UnerringAccuracy]


class Monk(CharClass):
    name = 'Monk'
    hit_dice_faces = 8
    subclass_select_level = 3
    saving_throw_proficiencies = ('strength', 'dexterity')
    primary_abilities = ('dexterity', 'wisdom')
    _proficiencies_text = (
        'simple weapons', 'shortswords', 'unarmed',
        "one type of artisan's tools or one musical instrument")
    weapon_proficiencies = (weapons.Shortsword, weapons.Unarmed,
                            weapons.SimpleWeapon)
    multiclass_weapon_proficiencies = weapon_proficiencies
    _multiclass_proficiencies_text = ('simple weapons', 'shortswords',
                                      'unarmed')
    class_skill_choices = ('Acrobatics', 'Athletics', 'History', 'Insight',
                           'Religion', 'Stealth')
    subclasses_available = (OpenHandWay, ShadowWay,
                            FourElementsWay, SunSoulWay,
                            LongDeathWay, DrunkenMasterWay,
                            KenseiWay)
    features_by_level = defaultdict(list)
    features_by_level[1] = [features.UnarmoredDefenseMonk,
                            features.MartialArts]
    features_by_level[2] = [features.Ki, features.FlurryOfBlows,
                            features.PatientDefense, features.StepOfTheWind,
                            features.UnarmoredMovement]

def wield_weapon(self, weapon):
        """Accepts a string and adds it to the list of wielded weapons.

        Parameters
        ----------
        weapon : str
          Case-insensitive string with a name of the weapon.

        """
        # Retrieve the weapon class from the weapons module
        if isinstance(weapon, weapons.Weapon):
            weapon_ = type(weapon)(wielder=self)
        elif isinstance(weapon, str):
            try:
                NewWeapon = findattr(weapons, weapon)
            except AttributeError:
                raise AttributeError(f'Weapon "{weapon}" is not defined')
            weapon_ = NewWeapon(wielder=self)
        elif issubclass(weapon, weapons.Weapon):
            weapon_ = weapon(wielder=self)
        else:
            raise AttributeError(f'Weapon "{weapon}" is not defined')
        # Save it to the array
        self.weapons.append(weapon_)

class HighElf(_Elf):
    name = "High Elf"
    weapon_proficiencies = (weapons.Longsword, weapons.Shortsword,
                            weapons.Shortbow, weapons.Longbow)
    proficiencies_text = ('longswords', 'shortswords', 'shortbows', 'longbows')
    intelligence_bonus = 1
    languages = ('Common', 'Elvish', '[choose one]')
    features = _Elf.features + (feats.ElfCantrip,)


class WoodElf(_Elf):
    name = "Wood Elf"
    weapon_proficiencies = (weapons.Longsword, weapons.Shortsword,
                            weapons.Shortbow, weapons.Longbow)
    proficiencies_text = ('longswords', 'shortswords', 'shortbows', 'longbows')
    wisdom_bonus = 1
    speed = 35
    features = _Elf.features + (feats.MaskOfTheWild,)


class DarkElf(_Elf):
    name = "Dark Elf"
    weapon_proficiencies = (weapons.Rapier, weapons.Shortsword,
                            weapons.HandCrossbow)
    proficiencies_text = ('rapiers', 'shortswords', 'hand crossbows')
    charisma_bonus = 1
    features = (feats.SuperiorDarkvision, feats.FeyAncestry, feats.Trance,
                feats.SunlightSensitivity, feats.DrowMagic)
    spells_known = (spells.DancingLights,)

features_by_level = defaultdict(list)
    features_by_level[3] = [features.PsychicBlades, features.WordsOfTerror]
    features_by_level[6] = [features.MantleOfWhispers]
    features_by_level[14] = [features.ShadowLore]


class Bard(CharClass):
    name = 'Bard'
    hit_dice_faces = 8
    subclass_select_level = 3
    saving_throw_proficiencies = ('dexterity', 'charisma')
    primary_abilities = ('charisma',)
    _proficiencies_text = (
        'Light armor', 'simple weapons', 'hand crossbows', 'longswords',
        'rapiers', 'shortswords', 'three musical instruments of your choice')
    weapon_proficiencies = (weapons.HandCrossbow, weapons.Longsword,
                            weapons.Rapier, weapons.Shortsword,
                            weapons.SimpleWeapon)
    class_skill_choices = ('Acrobatics', 'Animal Handling', 'Arcana',
                           'Athletics', 'Deception', 'History', 'Insight',
                           'Intimidation', 'Investigation', 'Medicine',
                           'Nature', 'Perception', 'Performance', 'Persuasion',
                           'Religion', 'Sleight of Hand', 'Stealth',
                           'Survival')
    multiclass_weapon_proficiencies = ()
    _multiclass_proficiencies_text = ('Light Armor', '[choose one skill]',
                                      '[choose one musical instrument]')
    num_skill_choices = 3
    subclasses_available = (CollegeOfLore, CollegeOfValor, CollegeOfGlamour,
                            CollegeOfSwords, CollegeOfWhispers)
    features_by_level = defaultdict(list)
    features_by_level[1] = [features.BardicInspiration]

features_by_level[3] = [features.EmissaryOfPeace,
                            features.RebukeTheViolent]
    features_by_level[7] = [features.AuraOfTheGuardian]
    features_by_level[15] = [features.ProtectiveSpirit]
    features_by_level[20] = [features.EmissaryOfRedemption]


class Paladin(CharClass):
    name = 'Paladin'
    hit_dice_faces = 10
    subclass_select_level = 3
    saving_throw_proficiencies = ('wisdom', 'charisma')
    primary_abilities = ('strength', 'charisma')
    _proficiencies_text = ('All armor', 'shields', 'simple weapons',
                           'martial weapons')
    weapon_proficiencies = (weapons.SimpleWeapon, weapons.MartialWeapon)
    multiclass_weapon_proficiencies = weapon_proficiencies
    _multiclass_proficiencies_text = ('light armor', 'medium armor', 'shields',
                                      'simple weapons', 'martial weapons')
    class_skill_choices = ("Athletics", 'Insight', 'Intimidation',
                           'Medicine', 'Persuasion', 'Religion')
    features_by_level = defaultdict(list)
    features_by_level[1] = [features.DivineSense, features.LayOnHands]
    features_by_level[2] = [features.PaladinFightingStyle,
                            features.DivineSmite]
    features_by_level[3] = [features.DivineHealth,
                            features.ChannelDivinityPaladin]
    features_by_level[5] = [features.ExtraAttackPaladin]
    features_by_level[6] = [features.AuraOfProtection]
    features_by_level[10] = [features.AuraOfCourage]
    features_by_level[11] = [features.ImprovedDivineSmite]
    features_by_level[14] = [features.CleansingTouch]

17: (0, 4, 3, 3, 3, 1, 0, 0, 0, 0),
        18: (0, 4, 3, 3, 3, 1, 0, 0, 0, 0),
        19: (0, 4, 3, 3, 3, 2, 0, 0, 0, 0),
        20: (0, 4, 3, 3, 3, 2, 0, 0, 0, 0),
    }


class Rogue(CharClass):
    class_name = 'Rogue'
    hit_dice_faces = 8
    saving_throw_proficiencies = ('dexterity', 'intelligence')
    _proficiencies_text = (
        'light armor', 'simple weapons', 'hand crossbows', 'longswords',
        'rapiers', 'shortswords', "thieves' tools")
    weapon_proficiencies = weapons.simple_weapons + (
        weapons.HandCrossbow, weapons.Longsword, weapons.Rapier,
        weapons.Shortsword)
    class_skill_choices = ('Acrobatics', 'Athletics', 'Deception',
                           'Insight', 'Intimidation', 'Investigation',
                           'Perception', 'Performance', 'Persuasion',
                           'Sleight of Hand', 'Stealth')


class Sorceror(CharClass):
    class_name = 'Sorceror'
    hit_dice_faces = 6
    saving_throw_proficiencies = ('constitution', 'charisma')
    _proficiencies_text = ('daggers', 'darts', 'slings',
                           'quarterstaffs', 'light crossbows')
    weapon_proficiencies = (weapons.Dagger, weapons.Dart,
                            weapons.Sling, weapons.Quarterstaff,
                            weapons.LightCrossbow)