emoji db migration

migrations/201802282131_232e68a03aa2_change_emoji_shortcodes_to_characters.py

@@ -0,0 +1,949 @@
+"""change emoji shortcodes to characters
+
+Revision ID: 232e68a03aa2
+Revises: af3f5579c84d
+Create Date: 2018-02-28 21:31:35.260704
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '232e68a03aa2'
+down_revision = 'af3f5579c84d'
+branch_labels = ()
+depends_on = None
+
+
+_emoji_replacement_mapping = {
+    # bowtie:               not in Unicode
+    # neckbeard:            not in Unicode
+    # shipit, squirrel:     GitHub inside joke? either way, not in Unicode
+    # trollface:            ancient meme, not in Unicode
+    # octocat:              that's a brand logo, of course it's not in Unicode
+    # flaskbb:              that's our logo! sadly not in Unicode though
+    # feelsgood:            doom reference, not in Unicode
+    # finnadie:             doom reference, not in Unicode
+    # goberserk:            doom reference, not in Unicode
+    # godmode:              doom reference, not in Unicode
+    # hurtrealbad:          doom reference, not in Unicode
+    # rage1:                doom reference, not in Unicode
+    # rage2:                doom reference, not in Unicode
+    # rage3:                doom reference, not in Unicode
+    # rage4:                doom reference, not in Unicode
+    # suspect:              doom reference, not in Unicode
+    '+1': '👍',
+    '-1': '👎',
+    '100': '💯',
+    '1234': '🔢',
+    '8ball': '🎱',
+    'a': '🅰️',
+    'ab': '🆎',
+    'abc': '🔤',
+    'abcd': '🔡',
+    'accept': '🉑',
+    'aerial_tramway': '🚡',
+    'airplane': '✈️',
+    'alarm_clock': '⏰',
+    'alien': '👽',
+    'ambulance': '🚑',
+    'anchor': '⚓️',
+    'angel': '👼',
+    'anger': '💢',
+    'angry': '😠',
+    'anguished': '😧',
+    'ant': '🐜',
+    'apple': '🍎',
+    'aquarius': '♒️',
+    'aries': '♈️',
+    'arrow_backward': '◀️',
+    'arrow_double_down': '⏬',
+    'arrow_double_up': '⏫',
+    'arrow_down': '⬇️',
+    'arrow_down_small': '🔽',
+    'arrow_forward': '▶️',
+    'arrow_heading_down': '⤵️',
+    'arrow_heading_up': '⤴️',
+    'arrow_left': '⬅️',
+    'arrow_lower_left': '↙️',
+    'arrow_lower_right': '↘️',
+    'arrow_right': '➡️',
+    'arrow_right_hook': '↪️',
+    'arrow_up': '⬆️',
+    'arrow_up_down': '↕️',
+    'arrow_up_small': '🔼',
+    'arrow_upper_left': '↖️',
+    'arrow_upper_right': '↗️',
+    'arrows_clockwise': '🔃',
+    'arrows_counterclockwise': '🔄',
+    'art': '🎨',
+    'articulated_lorry': '🚛',
+    'astonished': '😲',
+    'atm': '🏧',
+    'b': '🅱️',
+    'baby': '👶',
+    'baby_bottle': '🍼',
+    'baby_chick': '🐤',
+    'baby_symbol': '🚼',
+    'back': '🔙',
+    'baggage_claim': '🛄',
+    'balloon': '🎈',
+    'ballot_box_with_check': '☑️',
+    'bamboo': '🎍',
+    'banana': '🍌',
+    'bangbang': '‼️',
+    'bank': '🏦',
+    'bar_chart': '📊',
+    'barber': '💈',
+    'baseball': '⚾️',
+    'basketball': '🏀',
+    'bath': '🛀',
+    'bathtub': '🛁',
+    'battery': '🔋',
+    'bear': '🐻',
+    'bee': '🐝',
+    'beer': '🍺',
+    'beers': '🍻',
+    'beetle': '🐞',
+    'beginner': '🔰',
+    'bell': '🔔',
+    'bento': '🍱',
+    'bicyclist': '🚴',
+    'bike': '🚲',
+    'bikini': '👙',
+    'bird': '🐦',
+    'birthday': '🎂',
+    'black_circle': '⚫️',
+    'black_joker': '🃏',
+    'black_medium_small_square': '◾️',
+    'black_medium_square': '◼️',
+    'black_nib': '✒️',
+    'black_small_square': '▪️',
+    'black_square': '⬛',  # i assume that's black large square
+    'black_square_button': '🔲',
+    'blossom': '🌼',
+    'blowfish': '🐡',
+    'blue_book': '📘',
+    'blue_car': '🚙',
+    'blue_heart': '💙',
+    'blush': '😊',
+    'boar': '🐗',
+    'boat': '⛵️',
+    'bomb': '💣',
+    'book': '📖',
+    'bookmark': '🔖',
+    'bookmark_tabs': '📑',
+    'books': '📚',
+    'boom': '💥',
+    'boot': '👢',
+    'bouquet': '💐',
+    'bow': '🙇',
+    'bowling': '🎳',
+    'boy': '👦',
+    'bread': '🍞',
+    'bride_with_veil': '👰',
+    'bridge_at_night': '🌉',
+    'briefcase': '💼',
+    'broken_heart': '💔',
+    'bug': '🐛',
+    'bulb': '💡',
+    'bullettrain_front': '🚅',
+    'bullettrain_side': '🚄',
+    'bus': '🚌',
+    'busstop': '🚏',
+    'bust_in_silhouette': '👤',
+    'busts_in_silhouette': '👥',
+    'cactus': '🌵',
+    'cake': '🍰',
+    'calendar': '📆',
+    'calling': '📲',
+    'camel': '🐫',
+    'camera': '📷',
+    'cancer': '♋️',
+    'candy': '🍬',
+    'capital_abcd': '🔠',
+    'capricorn': '♑️',
+    'car': '🚗',
+    'card_index': '📇',
+    'carousel_horse': '🎠',
+    'cat': '🐱',
+    'cat2': '🐈',
+    'cd': '💿',
+    'chart': '💹',
+    'chart_with_downwards_trend': '📉',
+    'chart_with_upwards_trend': '📈',
+    'checkered_flag': '🏁',
+    'cherries': '🍒',
+    'cherry_blossom': '🌸',
+    'chestnut': '🌰',
+    'chicken': '🐔',
+    'children_crossing': '🚸',
+    'chocolate_bar': '🍫',
+    'christmas_tree': '🎄',
+    'church': '⛪️',
+    'cinema': '🎦',
+    'circus_tent': '🎪',
+    'city_sunrise': '🌇',
+    'city_sunset': '🌆',
+    'cl': '🆑',
+    'clap': '👏',
+    'clapper': '🎬',
+    'clipboard': '📋',
+    'clock1': '🕐',
+    'clock10': '🕙',
+    'clock1030': '🕥',
+    'clock11': '🕚',
+    'clock1130': '🕦',
+    'clock12': '🕛',
+    'clock1230': '🕧',
+    'clock130': '🕜',
+    'clock2': '🕑',
+    'clock230': '🕝',
+    'clock3': '🕒',
+    'clock330': '🕞',
+    'clock4': '🕓',
+    'clock430': '🕟',
+    'clock5': '🕔',
+    'clock530': '🕠',
+    'clock6': '🕕',
+    'clock630': '🕡',
+    'clock7': '🕖',
+    'clock730': '🕢',
+    'clock8': '🕗',
+    'clock830': '🕣',
+    'clock9': '🕘',
+    'clock930': '🕤',
+    'closed_book': '📕',
+    'closed_lock_with_key': '🔐',
+    'closed_umbrella': '🌂',
+    'cloud': '☁️',
+    'clubs': '♣️',
+    'cn': '🇨🇳',
+    'cocktail': '🍸',
+    'coffee': '☕️',
+    'cold_sweat': '😰',
+    'collision': '💥',
+    'computer': '💻',
+    'confetti_ball': '🎊',
+    'confounded': '😖',
+    'confused': '😕',
+    'congratulations': '㊗',
+    'construction': '🚧',
+    'construction_worker': '👷',
+    'convenience_store': '🏪',
+    'cookie': '🍪',
+    'cool': '🆒',
+    'cop': '👮',
+    'copyright': '©️',
+    'corn': '🌽',
+    'couple': '👫',
+    'couple_with_heart': '💑',
+    'couplekiss': '💏',  # kiss
+    'cow': '🐮',
+    'cow2': '🐄',
+    'credit_card': '💳',
+    'crescent_moon': '🌙',
+    'crocodile': '🐊',
+    'crossed_flags': '🎌',
+    'crown': '👑',
+    'cry': '😢',
+    'crying_cat_face': '😿',
+    'crystal_ball': '🔮',
+    'cupid': '💘',
+    'curly_loop': '➰',
+    'currency_exchange': '💱',
+    'curry': '🍛',
+    'custard': '🍮',
+    'customs': '🛃',
+    'cyclone': '🌀',
+    'dancer': '💃',
+    'dancers': '👯',
+    'dango': '🍡',
+    'dart': '🎯',
+    'dash': '💨',
+    'date': '📅',
+    'de': '🇩🇪',
+    'deciduous_tree': '🌳',
+    'department_store': '🏬',
+    'diamond_shape_with_a_dot_inside': '💠',
+    'diamonds': '♦️',
+    'disappointed': '😞',
+    'disappointed_relieved': '😥',
+    'dizzy': '💫',
+    'dizzy_face': '😵',
+    'do_not_litter': '🚯',
+    'dog': '🐶',
+    'dog2': '🐕',
+    'dollar': '💵',
+    'dolls': '🎎',
+    'dolphin': '🐬',
+    'donut': '🍩',  # it's doughnut, you 'muricans
+    'door': '🚪',
+    'doughnut': '🍩',
+    'dragon': '🐉',
+    'dragon_face': '🐲',
+    'dress': '👗',
+    'dromedary_camel': '🐪',
+    'droplet': '💧',
+    'dvd': '📀',
+    'e-mail': '📧',
+    'ear': '👂',
+    'ear_of_rice': '🌾',
+    'earth_africa': '🌍',
+    'earth_americas': '🌎',
+    'earth_asia': '🌏',
+    'egg': '🥚',
+    'eggplant': '🍆',
+    'eight': '8️⃣',
+    'eight_pointed_black_star': '✴️',
+    'eight_spoked_asterisk': '✳️',
+    'electric_plug': '🔌',
+    'elephant': '🐘',
+    'email': '✉️',
+    'end': '🔚',
+    'envelope': '✉️',
+    'es': '🇪🇸',
+    'euro': '💶',
+    'european_castle': '🏰',
+    'european_post_office': '🏤',
+    'evergreen_tree': '🌲',
+    'exclamation': '❗️',
+    'expressionless': '😑',
+    'eyeglasses': '👓',
+    'eyes': '👀',
+    'facepunch': '👊',
+    'factory': '🏭',
+    'fallen_leaf': '🍂',
+    'family': '👪',
+    'fast_forward': '⏩',
+    'fax': '📠',
+    'fearful': '😨',
+    'feet': '🐾',
+    'ferris_wheel': '🎡',
+    'file_folder': '📁',
+    'fire': '🔥',
+    'fire_engine': '🚒',
+    'fireworks': '🎆',
+    'first_quarter_moon': '🌓',
+    'first_quarter_moon_with_face': '🌛',
+    'fish': '🐟',
+    'fish_cake': '🍥',
+    'fishing_pole_and_fish': '🎣',
+    'fist': '✊',
+    'five': '5️⃣',
+    'flags': '🎏',
+    'flashlight': '🔦',
+    'floppy_disk': '💾',
+    'flower_playing_cards': '🎴',
+    'flushed': '😳',
+    'foggy': '🌁',
+    'football': '🏈',
+    'fork_and_knife': '🍴',
+    'fountain': '⛲️',
+    'four': '4️⃣',
+    'four_leaf_clover': '🍀',
+    'fr': '🇫🇷',
+    'free': '🆓',
+    'fried_shrimp': '🍤',
+    'fries': '🍟',
+    'frog': '🐸',
+    'frowning': '😦',
+    'fu': '🖕',
+    'fuelpump': '⛽️',
+    'full_moon': '🌕',
+    'full_moon_with_face': '🌝',
+    'game_die': '🎲',
+    'gb': '🇬🇧',
+    'gem': '💎',
+    'gemini': '♊️',
+    'ghost': '👻',
+    'gift': '🎁',
+    'gift_heart': '💝',
+    'girl': '👧',
+    'globe_with_meridians': '🌐',
+    'goat': '🐐',
+    'golf': '⛳️',
+    'grapes': '🍇',
+    'green_apple': '🍏',
+    'green_book': '📗',
+    'green_heart': '💚',
+    'grey_exclamation': '❕',
+    'grey_question': '❔',
+    'grimacing': '😬',
+    'grin': '😁',
+    'grinning': '😀',
+    'guardsman': '💂',
+    'guitar': '🎸',
+    'gun': '🔫',
+    'haircut': '💇',
+    'hamburger': '🍔',
+    'hammer': '🔨',
+    'hamster': '🐹',
+    'hand': '✋',
+    'handbag': '👜',
+    'hankey': '💩',
+    'hash': '#️⃣',
+    'hatched_chick': '🐥',
+    'hatching_chick': '🐣',
+    'headphones': '🎧',
+    'hear_no_evil': '🙉',
+    'heart': '❤️',
+    'heart_decoration': '💟',
+    'heart_eyes': '😍',
+    'heart_eyes_cat': '😻',
+    'heartbeat': '💓',
+    'heartpulse': '💗',
+    'hearts': '♥️',
+    'heavy_check_mark': '✔️',
+    'heavy_division_sign': '➗',
+    'heavy_dollar_sign': '💲',
+    'heavy_exclamation_mark': '❗️',
+    'heavy_minus_sign': '➖',
+    'heavy_multiplication_x': '✖️',
+    'heavy_plus_sign': '➕',
+    'helicopter': '🚁',
+    'herb': '🌿',
+    'hibiscus': '🌺',
+    'high_brightness': '🔆',
+    'high_heel': '👠',
+    'hocho': '🔪',
+    'honey_pot': '🍯',
+    'honeybee': '🐝',
+    'horse': '🐴',
+    'horse_racing': '🏇',
+    'hospital': '🏥',
+    'hotel': '🏨',
+    'hotsprings': '♨️',
+    'hourglass': '⌛️',
+    'hourglass_flowing_sand': '⏳',
+    'house': '🏠',
+    'house_with_garden': '🏡',
+    'hushed': '😯',
+    'ice_cream': '🍨',
+    'icecream': '🍦',
+    'id': '🆔',
+    'ideograph_advantage': '🉐',
+    'imp': '👿',
+    'inbox_tray': '📥',
+    'incoming_envelope': '📨',
+    'information_desk_person': '💁',
+    'information_source': 'ℹ️',
+    'innocent': '😇',
+    'interrobang': '⁉️',
+    'iphone': '📱',
+    'it': '🇮🇹',
+    'izakaya_lantern': '🏮',
+    'jack_o_lantern': '🎃',
+    'japan': '🗾',
+    'japanese_castle': '🏯',
+    'japanese_goblin': '👺',
+    'japanese_ogre': '👹',
+    'jeans': '👖',
+    'joy': '😂',
+    'joy_cat': '😹',
+    'jp': '🇯🇵',
+    'key': '🔑',
+    'keycap_ten': '🔟',
+    'kimono': '👘',
+    'kiss': '💋',
+    'kissing': '😗',
+    'kissing_cat': '😽',
+    'kissing_closed_eyes': '😚',
+    'kissing_face': '😗',  # aparently, the shortcode is just 'kissing'
+    'kissing_heart': '😘',
+    'kissing_smiling_eyes': '😙',
+    'koala': '🐨',
+    'koko': '🈁',
+    'kr': '🇰🇷',
+    'large_blue_circle': '🔵',
+    'large_blue_diamond': '🔷',
+    'large_orange_diamond': '🔶',
+    'last_quarter_moon': '🌗',
+    'last_quarter_moon_with_face': '🌜',
+    'laughing': '😆',
+    'leaves': '🍃',
+    'ledger': '📒',
+    'left_luggage': '🛅',
+    'left_right_arrow': '↔️',
+    'leftwards_arrow_with_hook': '↩️',
+    'lemon': '🍋',
+    'leo': '♌️',
+    'leopard': '🐆',
+    'libra': '♎️',
+    'light_rail': '🚈',
+    'link': '🔗',
+    'lips': '👄',
+    'lipstick': '💄',
+    'lock': '🔒',
+    'lock_with_ink_pen': '🔏',
+    'lollipop': '🍭',
+    'loop': '➿',
+    'loudspeaker': '📢',
+    'love_hotel': '🏩',
+    'love_letter': '💌',
+    'low_brightness': '🔅',
+    'm': 'Ⓜ️',
+    'mag': '🔍',
+    'mag_right': '🔎',
+    'mahjong': '🀄️',
+    'mailbox': '📫',
+    'mailbox_closed': '📪',
+    'mailbox_with_mail': '📬',
+    'mailbox_with_no_mail': '📭',
+    'man': '👨',
+    'man_with_gua_pi_mao': '👲',
+    'man_with_turban': '👳',
+    'mans_shoe': '👞',
+    'maple_leaf': '🍁',
+    'mask': '😷',
+    'massage': '💆',
+    'meat_on_bone': '🍖',
+    'mega': '📣',
+    'melon': '🍈',
+    'memo': '📝',
+    'mens': '🚹',
+    'metal': '🤘',
+    'metro': '🚇',
+    'microphone': '🎤',
+    'microscope': '🔬',
+    'milky_way': '🌌',
+    'minibus': '🚐',
+    'minidisc': '💽',
+    'mobile_phone_off': '📴',
+    'money_with_wings': '💸',
+    'moneybag': '💰',
+    'monkey': '🐒',
+    'monkey_face': '🐵',
+    'monorail': '🚝',
+    'mortar_board': '🎓',
+    'mount_fuji': '🗻',
+    'mountain_bicyclist': '🚵',
+    'mountain_cableway': '🚠',
+    'mountain_railway': '🚞',
+    'mouse': '🐭',
+    'mouse2': '🐁',
+    'movie_camera': '🎥',
+    'moyai': '🗿',
+    'muscle': '💪',
+    'mushroom': '🍄',
+    'musical_keyboard': '🎹',
+    'musical_note': '🎵',
+    'musical_score': '🎼',
+    'mute': '🔇',
+    'nail_care': '💅',
+    'name_badge': '📛',
+    'necktie': '👔',
+    'negative_squared_cross_mark': '❎',
+    'neutral_face': '😐',
+    'new': '🆕',
+    'new_moon': '🌑',
+    'new_moon_with_face': '🌚',
+    'newspaper': '📰',
+    'ng': '🆖',
+    'nine': '9️⃣',
+    'no_bell': '🔕',
+    'no_bicycles': '🚳',
+    'no_entry': '⛔️',
+    'no_entry_sign': '🚫',
+    'no_good': '🙅',
+    'no_mobile_phones': '📵',
+    'no_mouth': '😶',
+    'no_pedestrians': '🚷',
+    'no_smoking': '🚭',
+    'non-potable_water': '🚱',
+    'nose': '👃',
+    'notebook': '📓',
+    'notebook_with_decorative_cover': '📔',
+    'notes': '🎶',
+    'nut_and_bolt': '🔩',
+    'o': '⭕️',
+    'o2': '🅾️',
+    'ocean': '🌊',
+    'octopus': '🐙',
+    'oden': '🍢',
+    'office': '🏢',
+    'ok': '🆗',
+    'ok_hand': '👌',
+    'ok_woman': '🙆',
+    'older_man': '👴',
+    'older_woman': '👵',
+    'on': '🔛',
+    'oncoming_automobile': '🚘',
+    'oncoming_bus': '🚍',
+    'oncoming_police_car': '🚔',
+    'oncoming_taxi': '🚖',
+    'one': '1️⃣',
+    'open_file_folder': '📂',
+    'open_hands': '👐',
+    'open_mouth': '😮',
+    'ophiuchus': '⛎',
+    'orange_book': '📙',
+    'outbox_tray': '📤',
+    'ox': '🐂',
+    'package': '📦',
+    'page_facing_up': '📄',
+    'page_with_curl': '📃',
+    'pager': '📟',
+    'palm_tree': '🌴',
+    'panda_face': '🐼',
+    'paperclip': '📎',
+    'parking': '🅿️',
+    'part_alternation_mark': '〽',
+    'partly_sunny': '⛅️',
+    'passport_control': '🛂',
+    'paw_prints': '🐾',
+    'peach': '🍑',
+    'pear': '🍐',
+    'pencil': '📝',
+    'pencil2': '✏️',
+    'penguin': '🐧',
+    'pensive': '😔',
+    'performing_arts': '🎭',
+    'persevere': '😣',
+    'person_frowning': '🙍',
+    'person_with_blond_hair': '👱',
+    'person_with_pouting_face': '🙎',
+    'phone': '☎️',
+    'pig': '🐷',
+    'pig2': '🐖',
+    'pig_nose': '🐽',
+    'pill': '💊',
+    'pineapple': '🍍',
+    'pisces': '♓️',
+    'pizza': '🍕',
+    'plus1': '👍',  # an alias to +1
+    'point_down': '👇',
+    'point_left': '👈',
+    'point_right': '👉',
+    'point_up': '☝️',
+    'point_up_2': '👆',
+    'police_car': '🚓',
+    'poodle': '🐩',
+    'poop': '💩',
+    'post_office': '🏣',
+    'postal_horn': '📯',
+    'postbox': '📮',
+    'potable_water': '🚰',
+    'pouch': '👝',
+    'poultry_leg': '🍗',
+    'pound': '💷',
+    'pouting_cat': '😾',
+    'pray': '🙏',
+    'princess': '👸',
+    'punch': '👊',
+    'purple_heart': '💜',
+    'purse': '👛',
+    'pushpin': '📌',
+    'put_litter_in_its_place': '🚮',
+    'question': '❓',
+    'rabbit': '🐰',
+    'rabbit2': '🐇',
+    'racehorse': '🐎',
+    'radio': '📻',
+    'radio_button': '🔘',
+    'rage': '😡',
+    'railway_car': '🚃',
+    'rainbow': '🌈',
+    'raised_hand': '✋',
+    'raised_hands': '🙌',
+    'raising_hand': '🙋',
+    'ram': '🐏',
+    'ramen': '🍜',
+    'rat': '🐀',
+    'recycle': '♻️',
+    'red_car': '🚗',
+    'red_circle': '🔴',
+    'registered': '®️',
+    'relaxed': '☺️',
+    'relieved': '😌',
+    'repeat': '🔁',
+    'repeat_one': '🔂',
+    'restroom': '🚻',
+    'revolving_hearts': '💞',
+    'rewind': '⏪',
+    'ribbon': '🎀',
+    'rice': '🍚',
+    'rice_ball': '🍙',
+    'rice_cracker': '🍘',
+    'rice_scene': '🎑',
+    'ring': '💍',
+    'rocket': '🚀',
+    'roller_coaster': '🎢',
+    'rooster': '🐓',
+    'rose': '🌹',
+    'rotating_light': '🚨',
+    'round_pushpin': '📍',
+    'rowboat': '🚣',
+    'ru': '🇷🇺',
+    'rugby_football': '🏉',
+    'runner': '🏃',
+    'running': '🏃',
+    'running_shirt_with_sash': '🎽',
+    'sa': '🈂',
+    'sagittarius': '♐️',
+    'sailboat': '⛵️',
+    'sake': '🍶',
+    'sandal': '👡',
+    'santa': '🎅',
+    'satellite': '📡',
+    'satisfied': '😆',
+    'saxophone': '🎷',
+    'school': '🏫',
+    'school_satchel': '🎒',
+    'scissors': '✂️',
+    'scorpius': '♏️',
+    'scream': '😱',
+    'scream_cat': '🙀',
+    'scroll': '📜',
+    'seat': '💺',
+    'secret': '㊙',
+    'see_no_evil': '🙈',
+    'seedling': '🌱',
+    'seven': '7️⃣',
+    'shaved_ice': '🍧',
+    'sheep': '🐑',
+    'shell': '🐚',
+    'ship': '🚢',
+    'shirt': '👕',
+    'shit': '💩',
+    'shoe': '👞',
+    'shower': '🚿',
+    'signal_strength': '📶',
+    'simple_smile': '🙂',  # slightly smiling face
+    'six': '6️⃣',
+    'six_pointed_star': '🔯',
+    'ski': '🎿',
+    'skull': '💀',
+    'sleeping': '😴',
+    'sleepy': '😪',
+    'slot_machine': '🎰',
+    'small_blue_diamond': '🔹',
+    'small_orange_diamond': '🔸',
+    'small_red_triangle': '🔺',
+    'small_red_triangle_down': '🔻',
+    'smile': '😄',
+    'smile_cat': '😸',
+    'smiley': '😃',
+    'smiley_cat': '😺',
+    'smiling_imp': '😈',
+    'smirk': '😏',
+    'smirk_cat': '😼',
+    'smoking': '🚬',
+    'snail': '🐌',
+    'snake': '🐍',
+    'snowboarder': '🏂',
+    'snowflake': '❄️',
+    'snowman': '⛄️',
+    'sob': '😭',
+    'soccer': '⚽️',
+    'soon': '🔜',
+    'sos': '🆘',
+    'sound': '🔉',
+    'space_invader': '👾',
+    'spades': '♠️',
+    'spaghetti': '🍝',
+    'sparkle': '❇️',
+    'sparkler': '🎇',
+    'sparkles': '✨',
+    'sparkling_heart': '💖',
+    'speak_no_evil': '🙊',
+    'speaker': '🔈',
+    'speech_balloon': '💬',
+    'speedboat': '🚤',
+    'star': '⭐️',
+    'star2': '🌟',
+    'stars': '🌠',
+    'station': '🚉',
+    'statue_of_liberty': '🗽',
+    'steam_locomotive': '🚂',
+    'stew': '🍲',
+    'straight_ruler': '📏',
+    'strawberry': '🍓',
+    'stuck_out_tongue': '😛',
+    'stuck_out_tongue_closed_eyes': '😝',
+    'stuck_out_tongue_winking_eye': '😜',
+    'sun_with_face': '🌞',
+    'sunflower': '🌻',
+    'sunglasses': '😎',
+    'sunny': '☀️',
+    'sunrise': '🌅',
+    'sunrise_over_mountains': '🌄',
+    'surfer': '🏄',
+    'sushi': '🍣',
+    'suspension_railway': '🚟',
+    'sweat': '😓',
+    'sweat_drops': '💦',
+    'sweat_smile': '😅',
+    'sweet_potato': '🍠',
+    'swimmer': '🏊',
+    'symbols': '🔣',
+    'syringe': '💉',
+    'tada': '🎉',
+    'tanabata_tree': '🎋',
+    'tangerine': '🍊',
+    'taurus': '♉️',
+    'taxi': '🚕',
+    'tea': '🍵',
+    'telephone': '☎️',
+    'telephone_receiver': '📞',
+    'telescope': '🔭',
+    'tennis': '🎾',
+    'tent': '⛺️',
+    'thought_balloon': '💭',
+    'three': '3️⃣',
+    'thumbsdown': '👎',
+    'thumbsup': '👍',
+    'ticket': '🎫',
+    'tiger': '🐯',
+    'tiger2': '🐅',
+    'tired_face': '😫',
+    'tm': '™️',
+    'toilet': '🚽',
+    'tokyo_tower': '🗼',
+    'tomato': '🍅',
+    'tongue': '👅',
+    'top': '🔝',
+    'tophat': '🎩',
+    'tractor': '🚜',
+    'traffic_light': '🚥',
+    'train': '🚋',
+    'train2': '🚆',
+    'tram': '🚊',
+    'triangular_flag_on_post': '🚩',
+    'triangular_ruler': '📐',
+    'trident': '🔱',
+    'triumph': '😤',
+    'trolleybus': '🚎',
+    'trophy': '🏆',
+    'tropical_drink': '🍹',
+    'tropical_fish': '🐠',
+    'truck': '🚚',
+    'trumpet': '🎺',
+    'tshirt': '👕',
+    'tulip': '🌷',
+    'turtle': '🐢',
+    'tv': '📺',
+    'twisted_rightwards_arrows': '🔀',
+    'two': '2️⃣',
+    'two_hearts': '💕',
+    'two_men_holding_hands': '👬',
+    'two_women_holding_hands': '👭',
+    'u5272': '🈹',
+    'u5408': '🈴',
+    'u55b6': '🈺',
+    'u6307': '🈯',
+    'u6708': '🈷',
+    'u6709': '🈶',
+    'u6e80': '🈵',
+    'u7121': '🈚',
+    'u7533': '🈸',
+    'u7981': '🈲',
+    'u7a7a': '🈳',
+    'uk': '🇬🇧',
+    'umbrella': '☔️',
+    'unamused': '😒',
+    'underage': '🔞',
+    'unlock': '🔓',
+    'up': '🆙',
+    'us': '🇺🇸',
+    'v': '✌️',
+    'vertical_traffic_light': '🚦',
+    'vhs': '📼',
+    'vibration_mode': '📳',
+    'video_camera': '📹',
+    'video_game': '🎮',
+    'violin': '🎻',
+    'virgo': '♍️',
+    'volcano': '🌋',
+    'vs': '🆚',
+    'walking': '🚶',
+    'waning_crescent_moon': '🌘',
+    'waning_gibbous_moon': '🌖',
+    'warning': '⚠️',
+    'watch': '⌚️',
+    'water_buffalo': '🐃',
+    'watermelon': '🍉',
+    'wave': '👋',
+    'wavy_dash': '〰️',
+    'waxing_crescent_moon': '🌒',
+    'waxing_gibbous_moon': '🌔',
+    'wc': '🚾',
+    'weary': '😩',
+    'wedding': '💒',
+    'whale': '🐳',
+    'whale2': '🐋',
+    'wheelchair': '♿️',
+    'white_check_mark': '✅',
+    'white_circle': '⚪️',
+    'white_flower': '💮',
+    'white_large_square': '⬜️',
+    'white_medium_small_square': '◽️',
+    'white_medium_square': '◻️',
+    'white_small_square': '▫️',
+    'white_square_button': '🔳',
+    'wind_chime': '🎐',
+    'wine_glass': '🍷',
+    'wink': '😉',
+    'wolf': '🐺',
+    'woman': '👩',
+    'womans_clothes': '👚',
+    'womans_hat': '👒',
+    'womens': '🚺',
+    'worried': '😟',
+    'wrench': '🔧',
+    'x': '❌',
+    'yellow_heart': '💛',
+    'yen': '💴',
+    'yum': '😋',
+    'zap': '⚡️',
+    'zero': '0️⃣',
+    'zzz': '💤',
+}
+
+
+def _replace_emoji(line):
+    for shortcode, characters in _emoji_replacement_mapping.items():
+        line = line.replace(':{}:'.format(shortcode), characters)
+    return line
+
+
+def _unreplace_emoji(line):
+    # replace sequences before single characters
+    for shortcode, character in sorted(
+            _emoji_replacement_mapping.items(),
+            key=lambda t: len(t[1]),
+            reverse=True
+    ):
+        line = line.replace(character, ':{}:'.format(shortcode))
+    return line
+
+
+def do_the_thing(func):
+    conn = op.get_bind()
+
+    for table_name, column_name in (('posts', 'content'),
+                                    ('messages', 'message')):
+        table = sa.Table(
+            table_name,
+            sa.MetaData(),
+            sa.Column('id', sa.Integer, primary_key=True),
+            sa.Column(column_name, sa.String)
+        )
+        for row in conn.execute(table.select()):
+            content = getattr(row, column_name)
+            new_content = func(content)
+            if not new_content == content:
+                conn.execute(
+                    table.update().where(
+                        table.c.id == row.id
+                    ).values(**{column_name: new_content})
+                )
+
+
+def upgrade():
+    do_the_thing(_replace_emoji)
+
+
+def downgrade():
+    do_the_thing(_unreplace_emoji)