eval function

[rainbowstream.git] / rainbowstream / rainbow.py

"""
Colorful user's timeline stream
"""
from multiprocessing import Process
from dateutil import parser

import os
import os.path
import sys
import signal
import argparse
import time
import datetime
import requests

from twitter.stream import TwitterStream, Timeout, HeartbeatTimeout, Hangup
from twitter.api import *
from twitter.oauth import OAuth, read_token_file
from twitter.oauth_dance import oauth_dance
from twitter.util import printNicely
from StringIO import StringIO

from .colors import *
from .config import *
from .consumer import *
from .interactive import *
from .db import *
from .c_image import *

g = {}
db = RainbowDB()
cmdset = [
    'switch',
    'trend',
    'home',
    'view',
    'mentions',
    't',
    'rt',
    'fav',
    'rep',
    'del',
    'ufav',
    's',
    'mes',
    'show',
    'ls',
    'inbox',
    'sent',
    'trash',
    'whois',
    'fl',
    'ufl',
    'mute',
    'unmute',
    'muting',
    'block',
    'unblock',
    'report',
    'h',
    'c',
    'q'
]


def draw(t, iot=False, keyword=None, fil=[], ig=[]):
    """
    Draw the rainbow
    """

    # Retrieve tweet
    tid = t['id']
    text = t['text']
    screen_name = t['user']['screen_name']
    name = t['user']['name']
    created_at = t['created_at']
    favorited = t['favorited']
    date = parser.parse(created_at)
    date = date - datetime.timedelta(seconds=time.timezone)
    clock = date.strftime('%Y/%m/%d %H:%M:%S')

    # Get expanded url
    try:
        expanded_url = []
        url = []
        urls = t['entities']['urls']
        for u in urls:
            expanded_url.append(u['expanded_url'])
            url.append(u['url'])
    except:
        expanded_url = None
        url = None

    # Get media
    try:
        media_url = []
        media = t['entities']['media']
        for m in media:
            media_url.append(m['media_url'])
    except:
        media_url = None

    # Filter and ignore
    screen_name = '@' + screen_name
    if fil and screen_name not in fil:
        return
    if ig and screen_name in ig:
        return

    # Get rainbow id
    res = db.tweet_to_rainbow_query(tid)
    if not res:
        db.tweet_store(tid)
        res = db.tweet_to_rainbow_query(tid)
    rid = res[0].rainbow_id

    # Format info
    user = cycle_color(name) + grey(' ' + screen_name + ' ')
    meta = grey('[' + clock + '] [id=' + str(rid) + '] ')
    if favorited:
        meta = meta + green(u'\u2605')
    tweet = text.split()
    # Replace url
    if expanded_url:
        for index in range(len(expanded_url)):
            tweet = map(
                lambda x: expanded_url[index] if x == url[index] else x,
                tweet)
    # Highlight RT
    tweet = map(lambda x: grey(x) if x == 'RT' else x, tweet)
    # Highlight screen_name
    tweet = map(lambda x: cycle_color(x) if x[0] == '@' else x, tweet)
    # Highlight link
    tweet = map(lambda x: cyan(x) if x[0:4] == 'http' else x, tweet)
    # Highlight search keyword
    if keyword:
        tweet = map(
            lambda x: on_yellow(x) if
            ''.join(c for c in x if c.isalnum()).lower() == keyword.lower()
            else x,
            tweet
        )
    # Recreate tweet
    tweet = ' '.join(tweet)

    # Draw rainbow
    line1 = u"{u:>{uw}}:".format(
        u=user,
        uw=len(user) + 2,
    )
    line2 = u"{c:>{cw}}".format(
        c=meta,
        cw=len(meta) + 2,
    )
    line3 = '  ' + tweet

    printNicely('')
    printNicely(line1)
    printNicely(line2)
    printNicely(line3)

    # Display Image
    if iot and media_url:
        for mu in media_url:
            response = requests.get(mu)
            image_to_display(StringIO(response.content))


def print_message(m):
    """
    Print direct message
    """
    sender_screen_name = '@' + m['sender_screen_name']
    sender_name = m['sender']['name']
    text = m['text']
    recipient_screen_name = '@' + m['recipient_screen_name']
    recipient_name = m['recipient']['name']
    mid = m['id']
    date = parser.parse(m['created_at'])
    date = date - datetime.timedelta(seconds=time.timezone)
    clock = date.strftime('%Y/%m/%d %H:%M:%S')

    # Get rainbow id
    res = db.message_to_rainbow_query(mid)
    if not res:
        db.message_store(mid)
        res = db.message_to_rainbow_query(mid)
    rid = res[0].rainbow_id

    sender = cycle_color(sender_name) + grey(' ' + sender_screen_name + ' ')
    recipient = cycle_color(
        recipient_name) + grey(' ' + recipient_screen_name + ' ')
    user = sender + magenta(' >>> ') + recipient
    meta = grey('[' + clock + '] [message_id=' + str(rid) + '] ')
    text = ''.join(map(lambda x: x + '  ' if x == '\n' else x, text))

    line1 = u"{u:>{uw}}:".format(
        u=user,
        uw=len(user) + 2,
    )
    line2 = u"{c:>{cw}}".format(
        c=meta,
        cw=len(meta) + 2,
    )

    line3 = '  ' + text

    printNicely('')
    printNicely(line1)
    printNicely(line2)
    printNicely(line3)


def show_profile(u):
    """
    Show a profile
    """
    # Retrieve info
    name = u['name']
    screen_name = u['screen_name']
    description = u['description']
    profile_image_url = u['profile_image_url']
    location = u['location']
    url = u['url']
    created_at = u['created_at']
    statuses_count = u['statuses_count']
    friends_count = u['friends_count']
    followers_count = u['followers_count']
    # Create content
    statuses_count = green(str(statuses_count) + ' tweets')
    friends_count = green(str(friends_count) + ' following')
    followers_count = green(str(followers_count) + ' followers')
    count = statuses_count + '  ' + friends_count + '  ' + followers_count
    user = cycle_color(name) + grey(' @' + screen_name + ' : ') + count
    profile_image_raw_url = 'Profile photo: ' + cyan(profile_image_url)
    description = ''.join(
        map(lambda x: x + ' ' * 4 if x == '\n' else x, description))
    description = yellow(description)
    location = 'Location : ' + magenta(location)
    url = 'URL : ' + (cyan(url) if url else '')
    date = parser.parse(created_at)
    date = date - datetime.timedelta(seconds=time.timezone)
    clock = date.strftime('%Y/%m/%d %H:%M:%S')
    clock = 'Join at ' + white(clock)
    # Format
    line1 = u"{u:>{uw}}".format(
        u=user,
        uw=len(user) + 2,
    )
    line2 = u"{p:>{pw}}".format(
        p=profile_image_raw_url,
        pw=len(profile_image_raw_url) + 4,
    )
    line3 = u"{d:>{dw}}".format(
        d=description,
        dw=len(description) + 4,
    )
    line4 = u"{l:>{lw}}".format(
        l=location,
        lw=len(location) + 4,
    )
    line5 = u"{u:>{uw}}".format(
        u=url,
        uw=len(url) + 4,
    )
    line6 = u"{c:>{cw}}".format(
        c=clock,
        cw=len(clock) + 4,
    )
    # Display
    printNicely('')
    printNicely(line1)
    if g['iot']:
        response = requests.get(profile_image_url)
        image_to_display(StringIO(response.content), 2, 20)
    else:
        printNicely(line2)
    for line in [line3, line4, line5, line6]:
        printNicely(line)
    printNicely('')


def print_trends(trends):
    """
    Display topics
    """
    for topic in trends[:TREND_MAX]:
        name = topic['name']
        url = topic['url']
        line = cycle_color(name) + ': ' + cyan(url)
        printNicely(line)
    printNicely('')


def parse_arguments():
    """
    Parse the arguments
    """
    parser = argparse.ArgumentParser(description=__doc__ or "")
    parser.add_argument(
        '-to',
        '--timeout',
        help='Timeout for the stream (seconds).')
    parser.add_argument(
        '-ht',
        '--heartbeat-timeout',
        help='Set heartbeat timeout.',
        default=90)
    parser.add_argument(
        '-nb',
        '--no-block',
        action='store_true',
        help='Set stream to non-blocking.')
    parser.add_argument(
        '-tt',
        '--track-keywords',
        help='Search the stream for specific text.')
    parser.add_argument(
        '-fil',
        '--filter',
        help='Filter specific screen_name.')
    parser.add_argument(
        '-ig',
        '--ignore',
        help='Ignore specific screen_name.')
    parser.add_argument(
        '-iot',
        '--image-on-term',
        action='store_true',
        help='Display all image on terminal.')
    return parser.parse_args()


def authen():
    """
    Authenticate with Twitter OAuth
    """
    # When using rainbow stream you must authorize.
    twitter_credential = os.environ.get(
        'HOME',
        os.environ.get(
            'USERPROFILE',
            '')) + os.sep + '.rainbow_oauth'
    if not os.path.exists(twitter_credential):
        oauth_dance("Rainbow Stream",
                    CONSUMER_KEY,
                    CONSUMER_SECRET,
                    twitter_credential)
    oauth_token, oauth_token_secret = read_token_file(twitter_credential)
    return OAuth(
        oauth_token,
        oauth_token_secret,
        CONSUMER_KEY,
        CONSUMER_SECRET)


def get_decorated_name():
    """
    Beginning of every line
    """
    t = Twitter(auth=authen())
    name = '@' + t.account.verify_credentials()['screen_name']
    g['original_name'] = name[1:]
    g['decorated_name'] = grey('[') + grey(name) + grey(']: ')


def switch():
    """
    Switch stream
    """
    try:
        target = g['stuff'].split()[0]

        # Filter and ignore
        args = parse_arguments()
        try:
            if g['stuff'].split()[-1] == '-f':
                only = raw_input('Only nicks: ')
                ignore = raw_input('Ignore nicks: ')
                args.filter = filter(None, only.split(','))
                args.ignore = filter(None, ignore.split(','))
            elif g['stuff'].split()[-1] == '-d':
                args.filter = ONLY_LIST
                args.ignore = IGNORE_LIST
        except:
            printNicely(red('Sorry, wrong format.'))
            return

        # Public stream
        if target == 'public':
            keyword = g['stuff'].split()[1]
            if keyword[0] == '#':
                keyword = keyword[1:]
            # Kill old process
            os.kill(g['stream_pid'], signal.SIGKILL)
            args.track_keywords = keyword
            # Start new process
            p = Process(
                target=stream,
                args=(
                    PUBLIC_DOMAIN,
                    args))
            p.start()
            g['stream_pid'] = p.pid

        # Personal stream
        elif target == 'mine':
            # Kill old process
            os.kill(g['stream_pid'], signal.SIGKILL)
            # Start new process
            p = Process(
                target=stream,
                args=(
                    USER_DOMAIN,
                    args,
                    g['original_name']))
            p.start()
            g['stream_pid'] = p.pid
        printNicely('')
        printNicely(green('Stream switched.'))
        if args.filter:
            printNicely(cyan('Only: ' + str(args.filter)))
        if args.ignore:
            printNicely(red('Ignore: ' + str(args.ignore)))
        printNicely('')
    except:
        printNicely(red('Sorry I can\'t understand.'))


def trend():
    """
    Trend
    """
    t = Twitter(auth=authen())
    # Get country and town
    try:
        country = g['stuff'].split()[0]
    except:
        country = ''
    try:
        town = g['stuff'].split()[1]
    except:
        town = ''

    avail = t.trends.available()
    # World wide
    if not country:
        trends = t.trends.place(_id=1)[0]['trends']
        print_trends(trends)
    else:
        for location in avail:
            # Search for country and Town
            if town:
                if location['countryCode'] == country \
                        and location['placeType']['name'] == 'Town' \
                        and location['name'] == town:
                    trends = t.trends.place(_id=location['woeid'])[0]['trends']
                    print_trends(trends)
            # Search for country only
            else:
                if location['countryCode'] == country \
                        and location['placeType']['name'] == 'Country':
                    trends = t.trends.place(_id=location['woeid'])[0]['trends']
                    print_trends(trends)


def home():
    """
    Home
    """
    t = Twitter(auth=authen())
    num = HOME_TWEET_NUM
    if g['stuff'].isdigit():
        num = int(g['stuff'])
    for tweet in reversed(t.statuses.home_timeline(count=num)):
        draw(t=tweet, iot=g['iot'])
    printNicely('')


def view():
    """
    Friend view
    """
    t = Twitter(auth=authen())
    user = g['stuff'].split()[0]
    if user[0] == '@':
        try:
            num = int(g['stuff'].split()[1])
        except:
            num = HOME_TWEET_NUM
        for tweet in reversed(t.statuses.user_timeline(count=num, screen_name=user[1:])):
            draw(t=tweet, iot=g['iot'])
        printNicely('')
    else:
        printNicely(red('A name should begin with a \'@\''))


def mentions():
    """
    Mentions timeline
    """
    t = Twitter(auth=authen())
    num = HOME_TWEET_NUM
    if g['stuff'].isdigit():
        num = int(g['stuff'])
    for tweet in reversed(t.statuses.mentions_timeline(count=num)):
        draw(t=tweet, iot=g['iot'])
    printNicely('')


def tweet():
    """
    Tweet
    """
    t = Twitter(auth=authen())
    t.statuses.update(status=g['stuff'])


def retweet():
    """
    ReTweet
    """
    t = Twitter(auth=authen())
    try:
        id = int(g['stuff'].split()[0])
    except:
        printNicely(red('Sorry I can\'t understand.'))
        return
    tid = db.rainbow_to_tweet_query(id)[0].tweet_id
    t.statuses.retweet(id=tid, include_entities=False, trim_user=True)


def favorite():
    """
    Favorite
    """
    t = Twitter(auth=authen())
    try:
        id = int(g['stuff'].split()[0])
    except:
        printNicely(red('Sorry I can\'t understand.'))
        return
    tid = db.rainbow_to_tweet_query(id)[0].tweet_id
    t.favorites.create(_id=tid, include_entities=False)
    printNicely(green('Favorited.'))
    draw(t.statuses.show(id=tid), iot=g['iot'])
    printNicely('')


def reply():
    """
    Reply
    """
    t = Twitter(auth=authen())
    try:
        id = int(g['stuff'].split()[0])
    except:
        printNicely(red('Sorry I can\'t understand.'))
        return
    tid = db.rainbow_to_tweet_query(id)[0].tweet_id
    user = t.statuses.show(id=tid)['user']['screen_name']
    status = ' '.join(g['stuff'].split()[1:])
    status = '@' + user + ' ' + status.decode('utf-8')
    t.statuses.update(status=status, in_reply_to_status_id=tid)


def delete():
    """
    Delete
    """
    t = Twitter(auth=authen())
    try:
        rid = int(g['stuff'].split()[0])
    except:
        printNicely(red('Sorry I can\'t understand.'))
        return
    tid = db.rainbow_to_tweet_query(rid)[0].tweet_id
    t.statuses.destroy(id=tid)
    printNicely(green('Okay it\'s gone.'))


def unfavorite():
    """
    Unfavorite
    """
    t = Twitter(auth=authen())
    try:
        id = int(g['stuff'].split()[0])
    except:
        printNicely(red('Sorry I can\'t understand.'))
        return
    tid = db.rainbow_to_tweet_query(id)[0].tweet_id
    t.favorites.destroy(_id=tid)
    printNicely(green('Okay it\'s unfavorited.'))
    draw(t.statuses.show(id=tid), iot=g['iot'])
    printNicely('')


def search():
    """
    Search
    """
    t = Twitter(auth=authen())
    if g['stuff'].startswith('#'):
        rel = t.search.tweets(q=g['stuff'])['statuses']
        if rel:
            printNicely('Newest tweets:')
            for i in reversed(xrange(SEARCH_MAX_RECORD)):
                draw(t=rel[i],
                     iot=g['iot'],
                     keyword=g['stuff'].strip()[1:])
            printNicely('')
        else:
            printNicely(magenta('I\'m afraid there is no result'))
    else:
        printNicely(red('A keyword should be a hashtag (like \'#AKB48\')'))


def message():
    """
    Send a direct message
    """
    t = Twitter(auth=authen())
    user = g['stuff'].split()[0]
    if user[0].startswith('@'):
        try:
            content = g['stuff'].split()[1]
        except:
            printNicely(red('Sorry I can\'t understand.'))
        t.direct_messages.new(
            screen_name=user[1:],
            text=content
        )
        printNicely(green('Message sent.'))
    else:
        printNicely(red('A name should begin with a \'@\''))


def show():
    """
    Show image
    """
    t = Twitter(auth=authen())
    try:
        target = g['stuff'].split()[0]
        if target != 'image':
            return
        id = int(g['stuff'].split()[1])
        tid = db.rainbow_to_tweet_query(id)[0].tweet_id
        tweet = t.statuses.show(id=tid)
        media = tweet['entities']['media']
        for m in media:
            res = requests.get(m['media_url'])
            img = Image.open(StringIO(res.content))
            img.show()
    except:
        printNicely(red('Sorry I can\'t show this image.'))


def list():
    """
    List friends for followers
    """
    t = Twitter(auth=authen())
    # Get name
    try:
        name = g['stuff'].split()[1]
        if name.startswith('@'):
            name = name[1:]
        else:
            printNicely(red('A name should begin with a \'@\''))
            raise Exception('Invalid name')
    except:
        name = g['original_name']
    # Get list followers or friends
    try:
        target = g['stuff'].split()[0]
    except:
        printNicely(red('Omg some syntax is wrong.'))
    # Init cursor
    d = {'fl': 'followers', 'fr': 'friends'}
    next_cursor = -1
    rel = {}
    # Cursor loop
    while next_cursor != 0:
        list = getattr(t, d[target]).list(
            screen_name=name,
            cursor=next_cursor,
            skip_status=True,
            include_entities=False,
        )
        for u in list['users']:
            rel[u['name']] = '@' + u['screen_name']
        next_cursor = list['next_cursor']
    # Print out result
    printNicely('All: ' + str(len(rel)) + ' people.')
    for name in rel:
        user = '  ' + cycle_color(name) + grey(' ' + rel[name] + ' ')
        printNicely(user)


def inbox():
    """
    Inbox direct messages
    """
    t = Twitter(auth=authen())
    num = MESSAGES_DISPLAY
    rel = []
    if g['stuff'].isdigit():
        num = g['stuff']
    cur_page = 1
    # Max message per page is 20 so we have to loop
    while num > 20:
        rel = rel + t.direct_messages(
            count=20,
            page=cur_page,
            include_entities=False,
            skip_status=False
        )
        num -= 20
        cur_page += 1
    rel = rel + t.direct_messages(
        count=num,
        page=cur_page,
        include_entities=False,
        skip_status=False
    )
    # Display
    printNicely('Inbox: newest ' + str(len(rel)) + ' messages.')
    for m in reversed(rel):
        print_message(m)
    printNicely('')


def sent():
    """
    Sent direct messages
    """
    t = Twitter(auth=authen())
    num = MESSAGES_DISPLAY
    rel = []
    if g['stuff'].isdigit():
        num = int(g['stuff'])
    cur_page = 1
    # Max message per page is 20 so we have to loop
    while num > 20:
        rel = rel + t.direct_messages.sent(
            count=20,
            page=cur_page,
            include_entities=False,
            skip_status=False
        )
        num -= 20
        cur_page += 1
    rel = rel + t.direct_messages.sent(
        count=num,
        page=cur_page,
        include_entities=False,
        skip_status=False
    )
    # Display
    printNicely('Sent: newest ' + str(len(rel)) + ' messages.')
    for m in reversed(rel):
        print_message(m)
    printNicely('')


def trash():
    """
    Remove message
    """
    t = Twitter(auth=authen())
    try:
        rid = int(g['stuff'].split()[0])
    except:
        printNicely(red('Sorry I can\'t understand.'))
    mid = db.rainbow_to_message_query(rid)[0].message_id
    t.direct_messages.destroy(id=mid)
    printNicely(green('Message deleted.'))


def whois():
    """
    Show profile of a specific user
    """
    t = Twitter(auth=authen())
    screen_name = g['stuff'].split()[0]
    if screen_name.startswith('@'):
        try:
            user = t.users.show(
                screen_name=screen_name[1:],
                include_entities=False)
            show_profile(user)
        except:
            printNicely(red('Omg no user.'))
    else:
        printNicely(red('A name should begin with a \'@\''))


def follow():
    """
    Follow a user
    """
    t = Twitter(auth=authen())
    screen_name = g['stuff'].split()[0]
    if screen_name.startswith('@'):
        t.friendships.create(screen_name=screen_name[1:], follow=True)
        printNicely(green('You are following ' + screen_name + ' now!'))
    else:
        printNicely(red('A name should begin with a \'@\''))


def unfollow():
    """
    Unfollow a user
    """
    t = Twitter(auth=authen())
    screen_name = g['stuff'].split()[0]
    if screen_name.startswith('@'):
        t.friendships.destroy(
            screen_name=screen_name[1:],
            include_entities=False)
        printNicely(green('Unfollow ' + screen_name + ' success!'))
    else:
        printNicely(red('A name should begin with a \'@\''))


def mute():
    """
    Mute a user
    """
    t = Twitter(auth=authen())
    try:
        screen_name = g['stuff'].split()[0]
    except:
        printNicely(red('A name should be specified. '))
        return
    if screen_name.startswith('@'):
        rel = t.mutes.users.create(screen_name=screen_name[1:])
        if isinstance(rel, dict):
            printNicely(green(screen_name + ' is muted.'))
        else:
            printNicely(red(rel))
    else:
        printNicely(red('A name should begin with a \'@\''))


def unmute():
    """
    Unmute a user
    """
    t = Twitter(auth=authen())
    try:
        screen_name = g['stuff'].split()[0]
    except:
        printNicely(red('A name should be specified. '))
        return
    if screen_name.startswith('@'):
        rel = t.mutes.users.destroy(screen_name=screen_name[1:])
        if isinstance(rel, dict):
            printNicely(green(screen_name + ' is unmuted.'))
        else:
            printNicely(red(rel))
    else:
        printNicely(red('A name should begin with a \'@\''))


def muting():
    """
    List muting user
    """
    t = Twitter(auth=authen())
    # Init cursor
    d = {'fl': 'followers', 'fr': 'friends'}
    next_cursor = -1
    rel = {}
    # Cursor loop
    while next_cursor != 0:
        list = t.mutes.users.list(
            screen_name=g['original_name'],
            cursor=next_cursor,
            skip_status=True,
            include_entities=False,
        )
        for u in list['users']:
            rel[u['name']] = '@' + u['screen_name']
        next_cursor = list['next_cursor']
    # Print out result
    printNicely('All: ' + str(len(rel)) + ' people.')
    for name in rel:
        user = '  ' + cycle_color(name) + grey(' ' + rel[name] + ' ')
        printNicely(user)


def block():
    """
    Block a user
    """
    t = Twitter(auth=authen())
    screen_name = g['stuff'].split()[0]
    if screen_name.startswith('@'):
        t.blocks.create(
            screen_name=screen_name[1:],
            include_entities=False,
            skip_status=True)
        printNicely(green('You blocked ' + screen_name + '.'))
    else:
        printNicely(red('A name should begin with a \'@\''))


def unblock():
    """
    Unblock a user
    """
    t = Twitter(auth=authen())
    screen_name = g['stuff'].split()[0]
    if screen_name.startswith('@'):
        t.blocks.destroy(
            screen_name=screen_name[1:],
            include_entities=False,
            skip_status=True)
        printNicely(green('Unblock ' + screen_name + ' success!'))
    else:
        printNicely(red('A name should begin with a \'@\''))


def report():
    """
    Report a user as a spam account
    """
    t = Twitter(auth=authen())
    screen_name = g['stuff'].split()[0]
    if screen_name.startswith('@'):
        t.users.report_spam(
            screen_name=screen_name[1:])
        printNicely(green('You reported ' + screen_name + '.'))
    else:
        printNicely(red('Sorry I can\'t understand.'))


def help():
    """
    Help
    """
    s = ' ' * 2
    h, w = os.popen('stty size', 'r').read().split()

    # Start
    usage = '\n'
    usage += s + 'Hi boss! I\'m ready to serve you right now!\n'
    usage += s + '-' * (int(w) - 4) + '\n'
    usage += s + 'You are ' + yellow('already') + ' on your personal stream.\n'
    usage += s + 'Any update from Twitter will show up ' + \
        yellow('immediately') + '.\n'
    usage += s + 'In addtion, following commands are available right now:\n'

    # Discover
    usage += '\n'
    usage += s + grey(u'\u266A' + ' Discover the world \n')
    usage += s * 2 + green('trend') + ' will show global trending topics. ' + \
        'You can try ' + green('trend US') + ' or ' + \
        green('trend JP Tokyo') + '.\n'
    usage += s * 2 + green('home') + ' will show your timeline. ' + \
        green('home 7') + ' will show 7 tweets.\n'
    usage += s * 2 + green('mentions') + ' will show mentions timeline. ' + \
        green('mentions 7') + ' will show 7 mention tweets.\n'
    usage += s * 2 + green('whois @mdo') + ' will show profile  of ' + \
        magenta('@mdo') + '.\n'
    usage += s * 2 + green('view @mdo') + \
        ' will show ' + magenta('@mdo') + '\'s home.\n'
    usage += s * 2 + green('s #AKB48') + ' will search for "' + \
        yellow('AKB48') + '" and return 5 newest tweet.\n'

    # Action
    usage += '\n'
    usage += s + grey(u'\u266A' + ' Tweets \n')
    usage += s * 2 + green('t oops ') + \
        'will tweet "' + yellow('oops') + '" immediately.\n'
    usage += s * 2 + \
        green('rt 12 ') + ' will retweet to tweet with ' + \
        yellow('[id=12]') + '.\n'
    usage += s * 2 + green('rep 12 oops') + ' will reply "' + \
        yellow('oops') + '" to tweet with ' + yellow('[id=12]') + '.\n'
    usage += s * 2 + \
        green('fav 12 ') + ' will favorite the tweet with ' + \
        yellow('[id=12]') + '.\n'
    usage += s * 2 + \
        green('ufav 12 ') + ' will unfavorite tweet with ' + \
        yellow('[id=12]') + '.\n'
    usage += s * 2 + \
        green('del 12 ') + ' will delete tweet with ' + \
        yellow('[id=12]') + '.\n'
    usage += s * 2 + green('show image 12') + ' will show image in tweet with ' + \
        yellow('[id=12]') + ' in your OS\'s image viewer.\n'

    # Direct message
    usage += '\n'
    usage += s + grey(u'\u266A' + ' Direct messages \n')
    usage += s * 2 + green('inbox') + ' will show inbox messages. ' + \
        green('inbox 7') + ' will show newest 7 messages.\n'
    usage += s * 2 + green('sent') + ' will show sent messages. ' + \
        green('sent 7') + ' will show newest 7 messages.\n'
    usage += s * 2 + green('mes @dtvd88 hi') + ' will send a "hi" messege to ' + \
        magenta('@dtvd88') + '.\n'
    usage += s * 2 + green('trash 5') + ' will remove message with ' + \
        yellow('[message_id=5]') + '.\n'

    # Follower and following
    usage += '\n'
    usage += s + grey(u'\u266A' + ' Fiends and followers \n')
    usage += s * 2 + \
        green('ls fl') + \
        ' will list all followers (people who are following you).\n'
    usage += s * 2 + \
        green('ls fr') + \
        ' will list all friends (people who you are following).\n'
    usage += s * 2 + green('fl @dtvd88') + ' will follow ' + \
        magenta('@dtvd88') + '.\n'
    usage += s * 2 + green('ufl @dtvd88') + ' will unfollow ' + \
        magenta('@dtvd88') + '.\n'
    usage += s * 2 + green('mute @dtvd88') + ' will mute ' + \
        magenta('@dtvd88') + '.\n'
    usage += s * 2 + green('unmute @dtvd88') + ' will unmute ' + \
        magenta('@dtvd88') + '.\n'
    usage += s * 2 + green('muting') + ' will list muting users.\n'
    usage += s * 2 + green('block @dtvd88') + ' will block ' + \
        magenta('@dtvd88') + '.\n'
    usage += s * 2 + green('unblock @dtvd88') + ' will unblock ' + \
        magenta('@dtvd88') + '.\n'
    usage += s * 2 + green('report @dtvd88') + ' will report ' + \
        magenta('@dtvd88') + ' as a spam account.\n'

    # Screening
    usage += '\n'
    usage += s + grey(u'\u266A' + ' Screening \n')
    usage += s * 2 + green('h') + ' will show this help again.\n'
    usage += s * 2 + green('c') + ' will clear the screen.\n'
    usage += s * 2 + green('q') + ' will quit.\n'

    # Switch
    usage += '\n'
    usage += s + grey(u'\u266A' + ' Switching streams \n')
    usage += s * 2 + green('switch public #AKB') + \
        ' will switch to public stream and follow "' + \
        yellow('AKB') + '" keyword.\n'
    usage += s * 2 + green('switch mine') + \
        ' will switch to your personal stream.\n'
    usage += s * 2 + green('switch mine -f ') + \
        ' will prompt to enter the filter.\n'
    usage += s * 3 + yellow('Only nicks') + \
        ' filter will decide nicks will be INCLUDE ONLY.\n'
    usage += s * 3 + yellow('Ignore nicks') + \
        ' filter will decide nicks will be EXCLUDE.\n'
    usage += s * 2 + green('switch mine -d') + \
        ' will use the config\'s ONLY_LIST and IGNORE_LIST.\n'
    usage += s * 3 + '(see ' + grey('rainbowstream/config.py') + ').\n'

    # End
    usage += '\n'
    usage += s + '-' * (int(w) - 4) + '\n'
    usage += s + 'Have fun and hang tight! \n'
    printNicely(usage)


def clear():
    """
    Clear screen
    """
    os.system('clear')


def quit():
    """
    Exit all
    """
    save_history()
    os.system('rm -rf rainbow.db')
    os.kill(g['stream_pid'], signal.SIGKILL)
    sys.exit()


def reset():
    """
    Reset prefix of line
    """
    if g['reset']:
        printNicely(magenta('Need tips ? Type "h" and hit Enter key!'))
    g['reset'] = False
    try:
        print eval(g['cmd'])
    except:
        pass


def process(cmd):
    """
    Process switch
    """
    return dict(zip(
        cmdset,
        [
            switch,
            trend,
            home,
            view,
            mentions,
            tweet,
            retweet,
            favorite,
            reply,
            delete,
            unfavorite,
            search,
            message,
            show,
            list,
            inbox,
            sent,
            trash,
            whois,
            follow,
            unfollow,
            mute,
            unmute,
            muting,
            block,
            unblock,
            report,
            help,
            clear,
            quit
        ]
    )).get(cmd, reset)


def listen():
    """
    Listen to user's input
    """
    d = dict(zip(
        cmdset,
        [
            ['public', 'mine'],  # switch
            [],  # trend
            [],  # home
            ['@'],  # view
            [],  # mentions
            [],  # tweet
            [],  # retweet
            [],  # favorite
            [],  # reply
            [],  # delete
            [],  # unfavorite
            ['#'],  # search
            ['@'],  # message
            ['image'],  # show image
            ['fl', 'fr'],  # list
            [],  # inbox
            [],  # sent
            [],  # trash
            ['@'],  # whois
            ['@'],  # follow
            ['@'],  # unfollow
            ['@'],  # mute
            ['@'],  # unmute
            ['@'],  # muting
            ['@'],  # block
            ['@'],  # unblock
            ['@'],  # report
            [],  # help
            [],  # clear
            [],  # quit
        ]
    ))
    init_interactive_shell(d)
    read_history()
    reset()
    while True:
        if g['prefix']:
            line = raw_input(g['decorated_name'])
        else:
            line = raw_input()
        try:
            cmd = line.split()[0]
        except:
            cmd = ''
        g['cmd'] = cmd
        # Save cmd to global variable and call process
        try:
            g['stuff'] = ' '.join(line.split()[1:])
            process(cmd)()
        except Exception:
            printNicely(red('OMG something is wrong with Twitter right now.'))
        # Not redisplay prefix
        if cmd in ['switch', 't', 'rt', 'rep']:
            g['prefix'] = False
        else:
            g['prefix'] = True


def stream(domain, args, name='Rainbow Stream'):
    """
    Track the stream
    """

    # The Logo
    art_dict = {
        USER_DOMAIN: name,
        PUBLIC_DOMAIN: args.track_keywords,
        SITE_DOMAIN: 'Site Stream',
    }
    ascii_art(art_dict[domain])

    # These arguments are optional:
    stream_args = dict(
        timeout=args.timeout,
        block=not args.no_block,
        heartbeat_timeout=args.heartbeat_timeout)

    # Track keyword
    query_args = dict()
    if args.track_keywords:
        query_args['track'] = args.track_keywords

    # Get stream
    stream = TwitterStream(
        auth=authen(),
        domain=domain,
        **stream_args)

    if domain == USER_DOMAIN:
        tweet_iter = stream.user(**query_args)
    elif domain == SITE_DOMAIN:
        tweet_iter = stream.site(**query_args)
    else:
        if args.track_keywords:
            tweet_iter = stream.statuses.filter(**query_args)
        else:
            tweet_iter = stream.statuses.sample()

    # Iterate over the stream.
    for tweet in tweet_iter:
        if tweet is None:
            printNicely("-- None --")
        elif tweet is Timeout:
            printNicely("-- Timeout --")
        elif tweet is HeartbeatTimeout:
            printNicely("-- Heartbeat Timeout --")
        elif tweet is Hangup:
            printNicely("-- Hangup --")
        elif tweet.get('text'):
            draw(
                t=tweet,
                iot=args.image_on_term,
                keyword=args.track_keywords,
                fil=args.filter,
                ig=args.ignore,
            )


def fly():
    """
    Main function
    """
    # Spawn stream process
    args = parse_arguments()
    get_decorated_name()
    p = Process(target=stream, args=(USER_DOMAIN, args, g['original_name']))
    p.start()

    # Start listen process
    time.sleep(0.5)
    g['reset'] = True
    g['prefix'] = True
    g['stream_pid'] = p.pid
    g['iot'] = args.image_on_term
    listen()