A minimalistic, no-js client for twister.net.co
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8.3 KiB

import time
from bitcoinrpc.authproxy import AuthServiceProxy
from functioncache import functioncache,SkipCache
import re
RE_URL_TWEAK = re.compile('^https?://',re.I)
def timestamp2iso(t):
return time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(t))
class Twister:
def __init__(self,url='http://change:me@127.0.0.1:28332',formatter=None):
self.twister = AuthServiceProxy(url)
self.formatter = formatter
def _format_message(self,message):
return self.formatter and self.formatter(message) or message
def clear_cache(self): #doesn't always work :( Need to figure this out.
db = self.get_user_info._db # It doesn't matter which method. It's the same handler
db.setup(self.get_user_info) # It needs the function to locate know which db (module's name)
db.shelve.clear()
db.shelve.sync()
def _format_reply(self,r):
"gracefully fails if reply is empty"
return r and {"user":self.get_user_info(r['n']),'username':r['n'],'k':r['k']} or {}
def _format_post_info(self,p):
result = {
"height":p['userpost']['height'],
"k":p['userpost']['k'],
"time":timestamp2iso(p['userpost']['time']),
}
if p['userpost'].has_key('rt'):
result.update({
"message":self._format_message(p['userpost']['rt']['msg']),
"username":p['userpost']['rt']['n'],
#"user":self.get_user_info(p['userpost']['rt']['n']), ### too heavy. we do it in an iframe
"k":p['userpost']['rt']['k'],
"rt_username":p['userpost']['n'],
#"rt_user":self.get_user_info(p['userpost']['n']), ### too heavy. we do it in an iframe
"reply":self._format_reply(p['userpost']['rt'].get('reply',{})),
})
else:
result.update({
"message":self._format_message(p['userpost']['msg']),
"username":p['userpost']['n'],
#"user":self.get_user_info(p['userpost']['n']), ### too heavy. we do it in an iframe
"k":p['userpost']['k'],
"reply":self._format_reply(p['userpost'].get('reply',{})),
})
return result
@functioncache(ignore_instance=True) # Cache forever. One day we'll look at our old avatars and remember how stupid we used to be.
def get_twist(self,username,k):
p = self.twister.dhtget(username,'post{0}'.format(k),'s')
if p:
return self._format_post_info(p[0]['p']['v'])
raise SkipCache("Twist not found @{0}/{1}".format(username,k),{
"username":"",
#"user":self.get_user_info('nobody'),
"k":0, # maybe something needs this
"lastk":0, # or this
"message":"Twist not found 😭",
"time":"Never"
})
@functioncache(60,ignore_instance=True)
def get_twist_replies(self,username,k):
return list(reversed([self._format_post_info(r['p']['v']) for r in self.twister.dhtget(username,'replies{0}'.format(k),'m')])) # We show them oldest first
@functioncache(60,ignore_instance=True)
def get_twist_rts(self,username,k):
return [self._format_post_info(r['p']['v']) for r in self.twister.dhtget(username,'rts{0}'.format(k),'m')]
@functioncache(60*15,ignore_instance=True)
def get_user_info(self,username):
if username == 'nobody':
return {"username":"","fullname":"Nobody"} # Username is empty. Easier for mustache.
result = self.twister.dhtget(username,'profile','s')
if not result:
#raise SkipCache("user not found: @{0}".format(username), {"username":username,"fullname":username.capitalize()})
return {"username":username,"fullname":username.capitalize()}
user = result[0]['p']['v']
user['username'] = username # handy
if not user.get('fullname'): # happens
user['fullname'] = username.capitalize() # Buddha is in the details
user['bio'] = self._format_message(user.get('bio',''))
# Tweak for "protcol-less" urls
u = user.get('url')
if u and not RE_URL_TWEAK.match(u):
user['url'] = 'http://{0}'.format(u)
try:
user['avatar'] = self.twister.dhtget(username,'avatar','s')[0]['p']['v']
if user['avatar']=='img/genericPerson.png': # ugly patch
user['avatar'] = None
except:
user['avatar'] = None
#raise SkipCache("couldn't get avatar for @{0}, not caching".format(username),user)
return user
@functioncache(60*5,ignore_instance=True)
def local_user_menu(self,active_user=None):
users = [{'username':'','fullname':'Nobody','active':active_user==''}]
if active_user=='':
active = users[0]
else:
active = None
for u in self.twister.listwalletusers():
user = self.get_user_info(u)
if active_user==u:
user.update({'active':True})
active = user
users.append(user)
return {"users":users,"active":active}
@functioncache(60*5,ignore_instance=True)
def get_following(self,localusername):
return [{"username":u} for u in self.twister.getfollowing(localusername)]
@functioncache(60*5,ignore_instance=True)
def get_promoted_posts(self,num=8):
return list(reversed([self._format_post_info(p) for p in self.twister.getspamposts(num)])) # Don't ask me why reversed :)
@functioncache(60,ignore_instance=True)
def get_tag_posts(self,tag):
return [self._format_post_info(p['p']['v']) for p in self.twister.dhtget(tag,'hashtag','m')]
@functioncache(60,ignore_instance=True)
def get_user_feed(self,localusername,num=8):
return [self._format_post_info(p) for p in self.twister.getposts(num,self.get_following(localusername))]
@functioncache(60,ignore_instance=True)
def get_user_mentions(self,localusername):
return [self._format_post_info(p['p']['v']) for p in self.twister.dhtget(localusername,'mention','m')]
@functioncache(60,ignore_instance=True)
def get_user_messages(self,localusername,username=None,num=2):
if username:
raw = self.twister.getdirectmsgs(localusername,num,[{"username":username}])
else:
raw = self.twister.getdirectmsgs(localusername,num,self.get_following(localusername))
result =[]
localuser = self.get_user_info(localusername)
for username in raw:
user = self.get_user_info(username)
messages = []
latest_ts = 0
for message in raw[username]:
if message['time'] > latest_ts:
latest_ts = message['time']
message['time'] = timestamp2iso(message['time'])
message['username'] = message['fromMe'] and localusername or username
message['user'] = message['fromMe'] and localuser or user
message['message'] = self._format_message(message['text'])
messages.insert(0,message) # reverse order (newer first)
result.append({'username':username,'user':user,'messages':messages,'latest_ts':latest_ts})
return sorted(result,key=lambda thread:thread['latest_ts'],reverse=True)
@functioncache(60,ignore_instance=True)
def get_user_posts(self,username,num=8):
result = [self._format_post_info(p) for p in self.twister.getposts(num,[{'username':username}])]
if result:
return result
else: # We're not following. Let's "knit" the best timeline we can
result = self.twister.dhtget(username,'status','s')
while True:
try:
lastk = result[-1]['p']['v']['userpost']['lastk']
last = lastk and self.twister.dhtget(username,'post{0}'.format(result[-1]['p']['v']['userpost']['lastk']),'s')
except:
break
if not last:
break
result.append(last[0])
return [self._format_post_info(s['p']['v']) for s in result]
def get_users_by_partial_name(self,prefix,num=8):
return self.twister.listusernamespartial(prefix,num)
@functioncache(60,ignore_instance=True)
def get_trending_tags(self,num=8):
return self.twister.gettrendinghashtags(num)
def get_info(self): # not cached
return self.twister.getinfo()