current_buffer in unicode wrapper
[rainbowstream.git] / rainbowstream / rainbow.py
index c0ca8fe..c66ae9a 100644 (file)
@@ -1,14 +1,13 @@
 """
 Colorful user's timeline stream
 """
-from multiprocessing import Process
-
 import os
 import os.path
 import sys
 import signal
 import argparse
 import time
+import threading
 import requests
 import webbrowser
 
@@ -23,15 +22,14 @@ from .colors import *
 from .config import *
 from .consumer import *
 from .interactive import *
-from .db import *
 from .c_image import *
 from .py3patch import *
 
 # Global values
 g = {}
 
-# Database
-db = RainbowDB()
+# Lock for streams
+StreamLock = threading.Lock()
 
 # Commands
 cmdset = [
@@ -139,6 +137,33 @@ def authen():
         CONSUMER_SECRET)
 
 
+def build_mute_dict(dict_data=False):
+    """
+    Build muting list
+    """
+    t = Twitter(auth=authen())
+    # Init cursor
+    next_cursor = -1
+    screen_name_list = []
+    name_list = []
+    # 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,
+        )
+        screen_name_list += ['@' + u['screen_name'] for u in list['users']]
+        name_list += [u['name'] for u in list['users']]
+        next_cursor = list['next_cursor']
+    # Return dict or list
+    if dict_data:
+        return dict(zip(screen_name_list, name_list))
+    else:
+        return screen_name_list
+
+
 def init(args):
     """
     Init function
@@ -153,17 +178,24 @@ def init(args):
         set_config('PREFIX', name)
     g['original_name'] = name[1:]
     g['decorated_name'] = lambda x: color_func(
-        c['DECORATED_NAME'])(
-        '[' + x + ']: ')
+        c['DECORATED_NAME'])('[' + x + ']: ')
     # Theme init
     files = os.listdir(os.path.dirname(__file__) + '/colorset')
     themes = [f.split('.')[0] for f in files if f.split('.')[-1] == 'json']
     g['themes'] = themes
-    db.theme_store(c['THEME'])
+    # Startup cmd
+    g['previous_cmd'] = ''
     # Semaphore init
-    db.semaphore_store(False, False)
+    c['lock'] = False
+    c['pause'] = False
+    # Init tweet dict and message dict
+    c['tweet_dict'] = []
+    c['message_dict'] = []
     # Image on term
     c['IMAGE_ON_TERM'] = args.image_on_term
+    set_config('IMAGE_ON_TERM', str(c['IMAGE_ON_TERM']))
+    # Mute dict
+    c['IGNORE_LIST'] += build_mute_dict()
 
 
 def switch():
@@ -193,30 +225,30 @@ def switch():
             keyword = g['stuff'].split()[1]
             if keyword[0] == '#':
                 keyword = keyword[1:]
-            # Kill old process
-            os.kill(g['stream_pid'], signal.SIGKILL)
+            # Kill old thread
+            g['stream_stop'] = True
             args.track_keywords = keyword
-            # Start new process
-            p = Process(
+            # Start new thread
+            th = threading.Thread(
                 target=stream,
                 args=(
                     c['PUBLIC_DOMAIN'],
                     args))
-            p.start()
-            g['stream_pid'] = p.pid
+            th.daemon = True
+            th.start()
         # Personal stream
         elif target == 'mine':
-            # Kill old process
-            os.kill(g['stream_pid'], signal.SIGKILL)
-            # Start new process
-            p = Process(
+            # Kill old thread
+            g['stream_stop'] = True
+            # Start new thread
+            th = threading.Thread(
                 target=stream,
                 args=(
                     c['USER_DOMAIN'],
                     args,
                     g['original_name']))
-            p.start()
-            g['stream_pid'] = p.pid
+            th.daemon = True
+            th.start()
         printNicely('')
         if args.filter:
             printNicely(cyan('Only: ' + str(args.filter)))
@@ -325,7 +357,7 @@ def retweet():
     except:
         printNicely(red('Sorry I can\'t understand.'))
         return
-    tid = db.rainbow_to_tweet_query(id)[0].tweet_id
+    tid = c['tweet_dict'][id]
     t.statuses.retweet(id=tid, include_entities=False, trim_user=True)
 
 
@@ -339,7 +371,7 @@ def quote():
     except:
         printNicely(red('Sorry I can\'t understand.'))
         return
-    tid = db.rainbow_to_tweet_query(id)[0].tweet_id
+    tid = c['tweet_dict'][id]
     tweet = t.statuses.show(id=tid)
     screen_name = tweet['user']['screen_name']
     text = tweet['text']
@@ -367,7 +399,7 @@ def allretweet():
     except:
         printNicely(red('Sorry I can\'t understand.'))
         return
-    tid = db.rainbow_to_tweet_query(id)[0].tweet_id
+    tid = c['tweet_dict'][id]
     # Get display num if exist
     try:
         num = int(g['stuff'].split()[1])
@@ -393,7 +425,7 @@ def favorite():
     except:
         printNicely(red('Sorry I can\'t understand.'))
         return
-    tid = db.rainbow_to_tweet_query(id)[0].tweet_id
+    tid = c['tweet_dict'][id]
     t.favorites.create(_id=tid, include_entities=False)
     printNicely(green('Favorited.'))
     draw(t.statuses.show(id=tid))
@@ -410,10 +442,10 @@ def reply():
     except:
         printNicely(red('Sorry I can\'t understand.'))
         return
-    tid = db.rainbow_to_tweet_query(id)[0].tweet_id
+    tid = c['tweet_dict'][id]
     user = t.statuses.show(id=tid)['user']['screen_name']
     status = ' '.join(g['stuff'].split()[1:])
-    status = '@' + user + ' ' + status.decode('utf-8')
+    status = '@' + user + ' ' + unc(status)
     t.statuses.update(status=status, in_reply_to_status_id=tid)
 
 
@@ -423,11 +455,11 @@ def delete():
     """
     t = Twitter(auth=authen())
     try:
-        rid = int(g['stuff'].split()[0])
+        id = int(g['stuff'].split()[0])
     except:
         printNicely(red('Sorry I can\'t understand.'))
         return
-    tid = db.rainbow_to_tweet_query(rid)[0].tweet_id
+    tid = c['tweet_dict'][id]
     t.statuses.destroy(id=tid)
     printNicely(green('Okay it\'s gone.'))
 
@@ -442,7 +474,7 @@ def unfavorite():
     except:
         printNicely(red('Sorry I can\'t understand.'))
         return
-    tid = db.rainbow_to_tweet_query(id)[0].tweet_id
+    tid = c['tweet_dict'][id]
     t.favorites.destroy(_id=tid)
     printNicely(green('Okay it\'s unfavorited.'))
     draw(t.statuses.show(id=tid))
@@ -496,7 +528,7 @@ def show():
         if target != 'image':
             return
         id = int(g['stuff'].split()[1])
-        tid = db.rainbow_to_tweet_query(id)[0].tweet_id
+        tid = c['tweet_dict'][id]
         tweet = t.statuses.show(id=tid)
         media = tweet['entities']['media']
         for m in media:
@@ -515,7 +547,7 @@ def urlopen():
     try:
         if not g['stuff'].isdigit():
             return
-        tid = db.rainbow_to_tweet_query(g['stuff'])[0].tweet_id
+        tid = c['tweet_dict'][int(g['stuff'])]
         tweet = t.statuses.show(id=tid)
         link_ary = [
             u for u in tweet['text'].split() if u.startswith('http://')]
@@ -643,10 +675,10 @@ def trash():
     """
     t = Twitter(auth=authen())
     try:
-        rid = int(g['stuff'].split()[0])
+        id = int(g['stuff'].split()[0])
     except:
         printNicely(red('Sorry I can\'t understand.'))
-    mid = db.rainbow_to_message_query(rid)[0].message_id
+    mid = c['message_dict'][id]
     t.direct_messages.destroy(id=mid)
     printNicely(green('Message deleted.'))
 
@@ -708,11 +740,16 @@ def mute():
         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))
+        try:
+            rel = t.mutes.users.create(screen_name=screen_name[1:])
+            if isinstance(rel, dict):
+                printNicely(green(screen_name + ' is muted.'))
+                c['IGNORE_LIST'] += [unc(screen_name)]
+                c['IGNORE_LIST'] = list(set(c['IGNORE_LIST']))
+            else:
+                printNicely(red(rel))
+        except:
+            printNicely(red('Something is wrong, can not mute now :('))
     else:
         printNicely(red('A name should begin with a \'@\''))
 
@@ -728,11 +765,15 @@ def unmute():
         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))
+        try:
+            rel = t.mutes.users.destroy(screen_name=screen_name[1:])
+            if isinstance(rel, dict):
+                printNicely(green(screen_name + ' is unmuted.'))
+                c['IGNORE_LIST'].remove(screen_name)
+            else:
+                printNicely(red(rel))
+        except:
+            printNicely(red('Maybe you are not muting this person ?'))
     else:
         printNicely(red('A name should begin with a \'@\''))
 
@@ -741,27 +782,15 @@ def muting():
     """
     List muting user
     """
-    t = Twitter(auth=authen())
-    # Init cursor
-    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)
-        user += color_func(c['TWEET']['nick'])(' ' + rel[name] + ' ')
+    # Get dict of muting users
+    md = build_mute_dict(dict_data=True)
+    printNicely('All: ' + str(len(md)) + ' people.')
+    for name in md:
+        user = '  ' + cycle_color(md[name])
+        user += color_func(c['TWEET']['nick'])(' ' + name + ' ')
         printNicely(user)
+    # Update from Twitter
+    c['IGNORE_LIST'] = [n for n in md]
 
 
 def block():
@@ -1048,7 +1077,7 @@ def list_delete(t):
         printNicely(red('Oops something is wrong with Twitter :('))
 
 
-def list():
+def twitterlist():
     """
     Twitter's list
     """
@@ -1122,17 +1151,16 @@ def config():
             value = get_default_config(key)
             line = ' ' * 2 + green(key) + ': ' + light_magenta(value)
             printNicely(line)
-        except:
-            printNicely(
-                light_magenta('This config key does not exist in default.'))
+        except Exception as e:
+            printNicely(red(e))
     # Delete specific config key in config file
     elif len(g['stuff'].split()) == 2 and g['stuff'].split()[-1] == 'drop':
         key = g['stuff'].split()[0]
         try:
             delete_config(key)
             printNicely(green('Config key is dropped.'))
-        except:
-            printNicely(red('No such config key.'))
+        except Exception as e:
+            printNicely(red(e))
     # Set specific config
     elif len(g['stuff'].split()) == 3 and g['stuff'].split()[1] == '=':
         key = g['stuff'].split()[0]
@@ -1144,15 +1172,13 @@ def config():
             set_config(key, value)
             # Apply theme immediately
             if key == 'THEME':
-                reload_theme(value)
+                c['THEME'] = reload_theme(value, c['THEME'])
                 g['decorated_name'] = lambda x: color_func(
-                    c['DECORATED_NAME'])(
-                    '[' + x + ']: ')
+                    c['DECORATED_NAME'])('[' + x + ']: ')
+            reload_config()
             printNicely(green('Updated successfully.'))
-        except:
-            printNicely(light_magenta('Not valid value.'))
-            return
-        reload_config()
+        except Exception as e:
+            printNicely(red(e))
     else:
         printNicely(light_magenta('Sorry I can\'s understand.'))
 
@@ -1174,7 +1200,7 @@ def theme():
         # Change theme
         try:
             # Load new theme
-            reload_theme(g['stuff'])
+            c['THEME'] = reload_theme(g['stuff'], c['THEME'])
             # Redefine decorated_name
             g['decorated_name'] = lambda x: color_func(
                 c['DECORATED_NAME'])(
@@ -1439,7 +1465,10 @@ def help():
         'stream': help_stream,
     }
     if g['stuff']:
-        d[g['stuff'].strip()]()
+        d.get(
+            g['stuff'].strip(),
+            lambda: printNicely(red('No such command.'))
+        )()
     else:
         printNicely(usage)
 
@@ -1448,7 +1477,7 @@ def pause():
     """
     Pause stream display
     """
-    db.semaphore_update_pause(True)
+    c['pause'] = True
     printNicely(green('Stream is paused'))
 
 
@@ -1456,7 +1485,7 @@ def replay():
     """
     Replay stream
     """
-    db.semaphore_update_pause(False)
+    c['pause'] = False
     printNicely(green('Stream is running back now'))
 
 
@@ -1473,8 +1502,6 @@ def quit():
     """
     try:
         save_history()
-        os.system('rm -rf rainbow.db')
-        os.kill(g['stream_pid'], signal.SIGKILL)
         printNicely(green('See you next time :)'))
     except:
         pass
@@ -1486,6 +1513,10 @@ def reset():
     Reset prefix of line
     """
     if g['reset']:
+        if c.get('USER_JSON_ERROR'):
+            printNicely(red('Your ~/.rainbow_config.json is messed up:'))
+            printNicely(red('>>> ' + c['USER_JSON_ERROR']))
+            printNicely('')
         printNicely(magenta('Need tips ? Type "h" and hit Enter key!'))
     g['reset'] = False
     try:
@@ -1531,7 +1562,7 @@ def process(cmd):
             block,
             unblock,
             report,
-            list,
+            twitterlist,
             cal,
             config,
             theme,
@@ -1615,10 +1646,13 @@ def listen():
     read_history()
     reset()
     while True:
+        # raw_input
         if g['prefix']:
             line = raw_input(g['decorated_name'](c['PREFIX']))
         else:
             line = raw_input()
+        # Save previous cmd in order to compare with readline buffer
+        g['previous_cmd'] = line.strip()
         try:
             cmd = line.split()[0]
         except:
@@ -1626,7 +1660,7 @@ def listen():
         g['cmd'] = cmd
         try:
             # Lock the semaphore
-            db.semaphore_update_lock(True)
+            c['lock'] = True
             # Save cmd to global variable and call process
             g['stuff'] = ' '.join(line.split()[1:])
             # Process the command
@@ -1637,7 +1671,7 @@ def listen():
             else:
                 g['prefix'] = True
             # Release the semaphore lock
-            db.semaphore_update_lock(False)
+            c['lock'] = False
         except Exception:
             printNicely(red('OMG something is wrong with Twitter right now.'))
 
@@ -1656,7 +1690,7 @@ def stream(domain, args, name='Rainbow Stream'):
         ascii_art(art_dict[domain])
     # These arguments are optional:
     stream_args = dict(
-        timeout=args.timeout,
+        timeout=0.5,  # To check g['stream_stop'] after each 0.5 s
         block=not args.no_block,
         heartbeat_timeout=args.heartbeat_timeout)
     # Track keyword
@@ -1678,11 +1712,16 @@ def stream(domain, args, name='Rainbow Stream'):
                 tweet_iter = stream.statuses.filter(**query_args)
             else:
                 tweet_iter = stream.statuses.sample()
+        # Block new stream until other one exits
+        StreamLock.acquire()
+        g['stream_stop'] = False
         for tweet in tweet_iter:
             if tweet is None:
                 printNicely("-- None --")
             elif tweet is Timeout:
-                printNicely("-- Timeout --")
+                if(g['stream_stop']):
+                    StreamLock.release()
+                    break
             elif tweet is HeartbeatTimeout:
                 printNicely("-- Heartbeat Timeout --")
             elif tweet is Hangup:
@@ -1695,6 +1734,19 @@ def stream(domain, args, name='Rainbow Stream'):
                     fil=args.filter,
                     ig=args.ignore,
                 )
+                # Current readline buffer
+                current_buffer = readline.get_line_buffer().strip()
+                # There is an unexpected behaviour in MacOSX readline + Python 2:
+                # after completely delete a word after typing it,
+                # somehow readline buffer still contains
+                # the 1st character of that word
+                if current_buffer and g['previous_cmd'] != current_buffer:
+                    sys.stdout.write(
+                        g['decorated_name'](c['PREFIX']) + unc(current_buffer))
+                    sys.stdout.flush()
+                elif not c['HIDE_PROMPT']:
+                    sys.stdout.write(g['decorated_name'](c['PREFIX']))
+                    sys.stdout.flush()
             elif tweet.get('direct_message'):
                 print_message(tweet['direct_message'], check_semaphore=True)
     except TwitterHTTPError:
@@ -1714,22 +1766,21 @@ def fly():
     except TwitterHTTPError:
         printNicely('')
         printNicely(
-            magenta("We have maximum connection problem with twitter'stream API right now :("))
+            magenta("We have connection problem with twitter'stream API right now :("))
         printNicely(magenta("Let's try again later."))
         save_history()
-        os.system('rm -rf rainbow.db')
         sys.exit()
-    # Spawn stream process
-    p = Process(
+    # Spawn stream thread
+    th = threading.Thread(
         target=stream,
         args=(
             c['USER_DOMAIN'],
             args,
             g['original_name']))
-    p.start()
+    th.daemon = True
+    th.start()
     # Start listen process
     time.sleep(0.5)
     g['reset'] = True
     g['prefix'] = True
-    g['stream_pid'] = p.pid
     listen()