# Source code for twitter.twitter_utils

    # encoding: utf-8
    from __future__ import unicode_literals

    import mimetypes
    import os
    import re
    from tempfile import NamedTemporaryFile

    import requests
    from twitter import TwitterError

    TLDS = [
        "ac", "ad", "ae", "af", "ag", "ai", "al", "am", "an", "ao", "aq", "ar",
        "as", "at", "au", "aw", "ax", "az", "ba", "bb", "bd", "be", "bf", "bg",
        "bh", "bi", "bj", "bl", "bm", "bn", "bo", "bq", "br", "bs", "bt", "bv",
        "bw", "by", "bz", "ca", "cc", "cd", "cf", "cg", "ch", "ci", "ck", "cl",
        "cm", "cn", "co", "cr", "cu", "cv", "cw", "cx", "cy", "cz", "de", "dj",
        "dk", "dm", "do", "dz", "ec", "ee", "eg", "eh", "er", "es", "et", "eu",
        "fi", "fj", "fk", "fm", "fo", "fr", "ga", "gb", "gd", "ge", "gf", "gg",
        "gh", "gi", "gl", "gm", "gn", "gp", "gq", "gr", "gs", "gt", "gu", "gw",
        "gy", "hk", "hm", "hn", "hr", "ht", "hu", "id", "ie", "il", "im", "in",
        "io", "iq", "ir", "is", "it", "je", "jm", "jo", "jp", "ke", "kg", "kh",
        "ki", "km", "kn", "kp", "kr", "kw", "ky", "kz", "la", "lb", "lc", "li",
        "lk", "lr", "ls", "lt", "lu", "lv", "ly", "ma", "mc", "md", "me", "mf",
        "mg", "mh", "mk", "ml", "mm", "mn", "mo", "mp", "mq", "mr", "ms", "mt",
        "mu", "mv", "mw", "mx", "my", "mz", "na", "nc", "ne", "nf", "ng", "ni",
        "nl", "no", "np", "nr", "nu", "nz", "om", "pa", "pe", "pf", "pg", "ph",
        "pk", "pl", "pm", "pn", "pr", "ps", "pt", "pw", "py", "qa", "re", "ro",
        "rs", "ru", "rw", "sa", "sb", "sc", "sd", "se", "sg", "sh", "si", "sj",
        "sk", "sl", "sm", "sn", "so", "sr", "ss", "st", "su", "sv", "sx", "sy",
        "sz", "tc", "td", "tf", "tg", "th", "tj", "tk", "tl", "tm", "tn", "to",
        "tp", "tr", "tt", "tv", "tw", "tz", "ua", "ug", "uk", "um", "us", "uy",
        "uz", "va", "vc", "ve", "vg", "vi", "vn", "vu", "wf", "ws", "ye", "yt",
        "za", "zm", "zw", "ελ", "бел", "мкд", "мон", "рф", "срб", "укр", "қаз",
        "հայ", "الاردن", "الجزائر", "السعودية", "المغرب", "امارات", "ایران", "بھارت",
        "تونس", "سودان", "سورية", "عراق", "عمان", "فلسطين", "قطر", "مصر",
        "مليسيا", "پاکستان", "भारत", "বাংলা", "ভারত", "ਭਾਰਤ", "ભારત",
        "இந்தியா", "இலங்கை", "சிங்கப்பூர்", "భారత్", "ලංකා", "ไทย",
        "გე", "中国", "中國", "台湾", "台灣", "新加坡", "澳門", "香港", "한국", "neric:",
        "abb", "abbott", "abogado", "academy", "accenture", "accountant",
        "accountants", "aco", "active", "actor", "ads", "adult", "aeg", "aero",
        "afl", "agency", "aig", "airforce", "airtel", "allfinanz", "alsace",
        "amsterdam", "android", "apartments", "app", "aquarelle", "archi", "army",
        "arpa", "asia", "associates", "attorney", "auction", "audio", "auto",
        "autos", "axa", "azure", "band", "bank", "bar", "barcelona", "barclaycard",
        "barclays", "bargains", "bauhaus", "bayern", "bbc", "bbva", "bcn", "beer",
        "bentley", "berlin", "best", "bet", "bharti", "bible", "bid", "bike",
        "bing", "bingo", "bio", "biz", "black", "blackfriday", "bloomberg", "blue",
        "bmw", "bnl", "bnpparibas", "boats", "bond", "boo", "boots", "boutique",
        "bradesco", "bridgestone", "broker", "brother", "brussels", "budapest",
        "build", "builders", "business", "buzz", "bzh", "cab", "cafe", "cal",
        "camera", "camp", "cancerresearch", "canon", "capetown", "capital",
        "caravan", "cards", "care", "career", "careers", "cars", "cartier",
        "casa", "cash", "casino", "cat", "catering", "cba", "cbn", "ceb", "center",
        "ceo", "cern", "cfa", "cfd", "chanel", "channel", "chat", "cheap",
        "chloe", "christmas", "chrome", "church", "cisco", "citic", "city",
        "claims", "cleaning", "click", "clinic", "clothing", "cloud", "club",
        "coach", "codes", "coffee", "college", "cologne", "com", "commbank",
        "community", "company", "computer", "condos", "construction", "consulting",
        "contractors", "cooking", "cool", "coop", "corsica", "country", "coupons",
        "courses", "credit", "creditcard", "cricket", "crown", "crs", "cruises",
        "cuisinella", "cymru", "cyou", "dabur", "dad", "dance", "date", "dating",
        "datsun", "day", "dclk", "deals", "degree", "delivery", "delta",
        "democrat", "dental", "dentist", "desi", "design", "dev", "diamonds",
        "diet", "digital", "direct", "directory", "discount", "dnp", "docs",
        "dog", "doha", "domains", "doosan", "download", "drive", "durban", "dvag",
        "earth", "eat", "edu", "education", "email", "emerck", "energy",
        "engineer", "engineering", "enterprises", "epson", "equipment", "erni",
        "esq", "estate", "eurovision", "eus", "events", "everbank", "exchange",
        "expert", "exposed", "express", "fage", "fail", "faith", "family", "fan",
        "fans", "farm", "fashion", "feedback", "film", "finance", "financial",
        "firmdale", "fish", "fishing", "fit", "fitness", "flights", "florist",
        "flowers", "flsmidth", "fly", "foo", "football", "forex", "forsale",
        "forum", "foundation", "frl", "frogans", "fund", "furniture", "futbol",
        "fyi", "gal", "gallery", "game", "garden", "gbiz", "gdn", "gent",
        "genting", "ggee", "gift", "gifts", "gives", "giving", "glass", "gle",
        "global", "globo", "gmail", "gmo", "gmx", "gold", "goldpoint", "golf",
        "goo", "goog", "google", "gop", "gov", "graphics", "gratis", "green",
        "gripe", "group", "guge", "guide", "guitars", "guru", "hamburg", "hangout",
        "haus", "healthcare", "help", "here", "hermes", "hiphop", "hitachi", "hiv",
        "hockey", "holdings", "holiday", "homedepot", "homes", "honda", "horse",
        "host", "hosting", "hoteles", "hotmail", "house", "how", "hsbc", "ibm",
        "icbc", "ice", "icu", "ifm", "iinet", "immo", "immobilien", "industries",
        "infiniti", "info", "ing", "ink", "institute", "insure", "int",
        "international", "investments", "ipiranga", "irish", "ist", "istanbul",
        "itau", "iwc", "java", "jcb", "jetzt", "jewelry", "jlc", "jll", "jobs",
        "joburg", "jprs", "juegos", "kaufen", "kddi", "kim", "kitchen", "kiwi",
        "koeln", "komatsu", "krd", "kred", "kyoto", "lacaixa", "lancaster", "land",
        "lasalle", "lat", "latrobe", "law", "lawyer", "lds", "lease", "leclerc",
        "legal", "lexus", "lgbt", "liaison", "lidl", "life", "lighting", "limited",
        "limo", "link", "live", "lixil", "loan", "loans", "lol", "london", "lotte",
        "lotto", "love", "ltda", "lupin", "luxe", "luxury", "madrid", "maif",
        "maison", "man", "management", "mango", "market", "marketing", "markets",
        "marriott", "mba", "media", "meet", "melbourne", "meme", "memorial", "men",
        "menu", "miami", "microsoft", "mil", "mini", "mma", "mobi", "moda", "moe",
        "mom", "monash", "money", "montblanc", "mormon", "mortgage", "moscow",
        "motorcycles", "mov", "movie", "movistar", "mtn", "mtpc", "museum",
        "nadex", "nagoya", "name", "navy", "nec", "net", "netbank", "network",
        "neustar", "new", "news", "nexus", "ngo", "nhk", "nico", "ninja", "nissan",
        "nokia", "nra", "nrw", "ntt", "nyc", "office", "okinawa", "omega", "one",
        "ong", "onl", "online", "ooo", "oracle", "orange", "org", "organic",
        "osaka", "otsuka", "ovh", "page", "panerai", "paris", "partners", "parts",
        "party", "pet", "pharmacy", "philips", "photo", "photography", "photos",
        "physio", "piaget", "pics", "pictet", "pictures", "pink", "pizza", "place",
        "play", "plumbing", "plus", "pohl", "poker", "porn", "post", "praxi",
        "press", "pro", "prod", "productions", "prof", "properties", "property",
        "pub", "qpon", "quebec", "racing", "realtor", "realty", "recipes", "red",
        "redstone", "rehab", "reise", "reisen", "reit", "ren", "rent", "rentals",
        "repair", "report", "republican", "rest", "restaurant", "review",
        "reviews", "rich", "ricoh", "rio", "rip", "rocks", "rodeo", "rsvp", "ruhr",
        "run", "ryukyu", "saarland", "sakura", "sale", "samsung", "sandvik",
        "sandvikcoromant", "sanofi", "sap", "sarl", "saxo", "sca", "scb",
        "schmidt", "scholarships", "school", "schule", "schwarz", "science",
        "scor", "scot", "seat", "seek", "sener", "services", "sew", "sex", "sexy",
        "shiksha", "shoes", "show", "shriram", "singles", "site", "ski", "sky",
        "skype", "sncf", "soccer", "social", "software", "sohu", "solar",
        "solutions", "sony", "soy", "space", "spiegel", "spreadbetting", "srl",
        "starhub", "statoil", "studio", "study", "style", "sucks", "supplies",
        "supply", "support", "surf", "surgery", "suzuki", "swatch", "swiss",
        "sydney", "systems", "taipei", "tatamotors", "tatar", "tattoo", "tax",
        "taxi", "team", "tech", "technology", "tel", "telefonica", "temasek",
        "tennis", "thd", "theater", "tickets", "tienda", "tips", "tires", "tirol",
        "today", "tokyo", "tools", "top", "toray", "toshiba", "tours", "town",
        "toyota", "toys", "trade", "trading", "training", "travel", "trust", "tui",
        "ubs", "university", "uno", "uol", "vacations", "vegas", "ventures",
        "vermögensberater", "vermögensberatung", "versicherung", "vet", "viajes",
        "video", "villas", "vin", "vision", "vista", "vistaprint", "vlaanderen",
        "vodka", "vote", "voting", "voto", "voyage", "wales", "walter", "wang",
        "watch", "webcam", "website", "wed", "wedding", "weir", "whoswho", "wien",
        "wiki", "williamhill", "win", "windows", "wine", "wme", "work", "works",
        "world", "wtc", "wtf", "xbox", "xerox", "xin", "xperia", "xxx", "xyz",
        "yachts", "yandex", "yodobashi", "yoga", "yokohama", "youtube", "zip",
        "zone", "zuerich", "дети", "ком", "москва", "онлайн", "орг", "рус", "сайт",
        "קום", "بازار", "شبكة", "كوم", "موقع", "कॉम", "नेट", "संगठन", "คอม",
        "みんな", "グーグル", "コム", "世界", "中信", "中文网", "企业", "佛山", "信息",
        "健康", "八卦", "公司", "公益", "商城", "商店", "商标", "在线", "大拿", "娱乐",
        "工行", "广东", "慈善", "我爱你", "手机", "政务", "政府", "新闻", "时尚", "机构",
        "淡马锡", "游戏", "点看", "移动", "组织机构", "网址", "网店", "网络", "谷歌", "集团",
        "飞利浦", "餐厅", "닷넷", "닷컴", "삼성", "onion"]

    URL_REGEXP = re.compile((
        r'('
        r'^(?!(https?://|www\.)?\.|ftps?://|([0-9]+\.){{1,3}}\d+)'  # exclude urls that start with "."
        r'(?:https?://|www\.)*^(?!.*@)(?:[\w+-_]+[.])'              # beginning of url
        r'(?:{0}\b|'                                                # all tlds
        r'(?:[:0-9]))'                                              # port numbers & close off TLDs
        r'(?:[\w+\/]?[a-z0-9!\*\'\(\);:&=\+\$/%#\[\]\-_\.,~?])*'    # path/query params
        r')').format(r'\b|'.join(TLDS)), re.U | re.I | re.X)

    def calc_expected_status_length(status, short_url_length=23):
        """ Calculates the length of a tweet, taking into account Twitter's
        replacement of URLs with https://t.co links.

        Args:
            status: text of the status message to be posted.
            short_url_length: the current published https://t.co links

        Returns:
            Expected length of the status message as an integer.

        """
        status_length = 0
        for word in re.split(r'\s', status):
            if is_url(word):
                status_length += short_url_length
            else:
                status_length += len(word)
        status_length += len(re.findall(r'\s', status))
        return status_length

    def is_url(text):
        """ Checks to see if a bit of text is a URL.

        Args:
            text: text to check.

        Returns:
            Boolean of whether the text should be treated as a URL or not.
        """
        return bool(re.findall(URL_REGEXP, text))

    def http_to_file(http):
        data_file = NamedTemporaryFile()
        req = requests.get(http, stream=True)
        data_file.write(req.raw.data)
        return data_file

    def parse_media_file(passed_media):
        """ Parses a media file and attempts to return a file-like object and
        information about the media file.

        Args:
            passed_media: media file which to parse.

        Returns:
            file-like object, the filename of the media file, the file size, and
            the type of media.
        """
        img_formats = ['image/jpeg',
                       'image/png',
                       'image/gif',
                       'image/bmp',
                       'image/webp']
        video_formats = ['video/mp4',
                         'video/quicktime']

        # If passed_media is a string, check if it points to a URL, otherwise,
        # it should point to local file. Create a reference to a file obj for
        #  each case such that data_file ends up with a read() method.
        if not hasattr(passed_media, 'read'):
            if passed_media.startswith('http'):
                data_file = http_to_file(passed_media)
                filename = os.path.basename(passed_media)
            else:
                data_file = open(os.path.realpath(passed_media), 'rb')
                filename = os.path.basename(passed_media)

        # Otherwise, if a file object was passed in the first place,
        # create the standard reference to media_file (i.e., rename it to fp).
        else:
            if passed_media.mode not in ['rb', 'rb+', 'w+b']:
                raise TwitterError('File mode must be "rb" or "rb+"')
            filename = os.path.basename(passed_media.name)
            data_file = passed_media

        data_file.seek(0, 2)
        file_size = data_file.tell()

        try:
            data_file.seek(0)
        except Exception as e:
            pass

        media_type = mimetypes.guess_type(os.path.basename(filename))[0]
        if media_type is not None:
            if media_type in img_formats and file_size > 5 * 1048576:
                raise TwitterError({'message': 'Images must be less than 5MB.'})
            elif media_type in video_formats and file_size > 15 * 1048576:
                raise TwitterError({'message': 'Videos must be less than 15MB.'})
            elif media_type not in img_formats and media_type not in video_formats:
                raise TwitterError({'message': 'Media type could not be determined.'})

        return data_file, filename, file_size, media_type

    def enf_type(field, _type, val):
        """ Checks to see if a given val for a field (i.e., the name of the field)
        is of the proper _type. If it is not, raises a TwitterError with a brief
        explanation.

        Args:
            field:
                Name of the field you are checking.
            _type:
                Type that the value should be returned as.
            val:
                Value to convert to _type.

        Returns:
            val converted to type _type.

        """
        try:
            return _type(val)
        except ValueError:
            raise TwitterError({
                'message': '"{0}" must be type {1}'.format(field, _type.__name__)
            })