twython/twython/twython.py

518 lines
19 KiB
Python

#! /usr/bin/env python
# -*- coding: utf-8 -*-
"""
Twython is a library for Python that wraps the Twitter API.
It aims to abstract away all the API endpoints, so that additions to the
library and/or the Twitter API won't cause any overall problems.
twythonrequests is twython implementation using requests.
Questions, comments? ryan@venodesigns.net, me@kracekumar.com
"""
__author__ = "Ryan McGrath <ryan@venodesigns.net>"
__version__ = "1.4.6"
"""
Importing requests and requests-oauth.
requests supports 2.5 and above and no support for 3.x.
"""
from urlparse import parse_qs
from urllib2 import HTTPError
try:
#Python 2.6 and up
import requests
import oauth_hook
except ImportError:
raise Exception("twythonrequests requires requests - \
http://pypi.python.org/pypi/requests and \
requests-oauth -http://pypi.python.org/pypi/requests-oauth\
")
#since requests support 2.5 and above, check for json and if fails check for\
#simplejson if that fails, requests installation must be broken.
try:
import json
except ImportError:
try:
import simplejson as json
except ImportError:
# This must be dead code still worth
raise Exception("twythonrequests")
class TwythonError(AttributeError):
"""
Generic error class, catch-all for most Twython issues.
Special cases are handled by APILimit and AuthError.
Note: To use these, the syntax has changed as of Twython 1.3. To catch \
these, you need to explicitly import them into your code, e.g:
from twython import TwythonError, APILimit, AuthError
"""
def __init__(self, msg, error_code=None):
self.msg = msg
if error_code == 400:
raise APILimit(msg)
def __str__(self):
return repr(self.msg)
class APILimit(TwythonError):
"""
Raised when you've hit an API limit. Try to avoid these, read the API
docs if you're running into issues here, Twython does not concern \
itself with this matter beyond telling you that you've done goofed.
"""
def __init__(self, msg):
self.msg = msg
def __str__(self):
return repr(self.msg)
class AuthError(TwythonError):
"""
Raised when you try to access a protected resource and it fails due \
to some issue with your authentication.
"""
def __init__(self, msg):
self.msg = msg
def __str__(self):
return repr(self.msg)
class Twython(object):
def __init__(self, twitter_token = None, twitter_secret = None, \
oauth_token = None, oauth_token_secret = None, headers = None,\
callback_url = None):
""" setup(self, oauth_token = None, headers = None)
Instantiates an instance of Twython.
Takes optional parameters for authentication and such (see below).
Parameters:
twitter_token - Given to you when you register your application
with Twitter.
twitter_secret - Given to you when you register your application
with Twitter.
oauth_token - If you've gone through the authentication process
and have a token for this user, pass it in and it'll
be used for all requests going forward.
oauth_token_secret - see oauth_token; it's the other half.
headers - User agent header, dictionary style aka
{'User-Agent': 'Bert'}
"""
# API for accessing twitter data
self.request_token_url = "http://twitter.com/oauth/request_token"
self.access_token_url = "http://twitter.com/oauth/access_token"
self.authorize_url = "http://twitter.com/oauth/authorize"
self.authenticate_url = "http://twitter.com/oauth/authenticate"
self.twitter_token = twitter_token
self.twitter_secret = twitter_secret
self.oauth_token = oauth_token
self.oauth_secret = oauth_token_secret
self.callback_url = callback_url or 'oob'
self.oauth_hook = None
self.client = None
#In case headers are present lets add
if headers is None:
self.headers = {'User-agent': 'Twython python library v1.3 via \
python-requests'}
else:
self.headers = headers
#next is oauth, here we use requests-oauth
if self.twitter_token:
OAuthHook.consumer_key = self.twitter_token
if self.twitter_secret:
OAuthHook.consumer_secret = self.twitter_secret
#if users pass oauth token and secret we initialize with oauth_hook
#code taken from maraujop/requests-oauth
if self.oauth_token and self.oauth_secret:
#Creating OAuthHooks
self.oauth_hook = oauth_hook.OAuthHook(self.oauth_auth_token,\
self.ouath_secret)
#real magic of requests start here
self.client = requests.session(hooks={ 'pre_request': \
self.oauth_hook })
else:
if self.twitter_token and self.twitter_secret:
self.oauth_hook = oauth_hook.OAuthhook(\
consumer_key=self.twitter_token,\
consumer_secret=self.twitter_secret)
self.client = requests.session(hooks={'pre_request':\
self.oauth_hook})
def __getattr__(self, api_call):
pass
def get(self, **kwargs):
pass
def get_authorized_tokens(self):
return self.get_authentication_tokens(internal = 1)
def get_authentication_tokens(self, internal = None):
"""
get_auth_url(self)
Returns an authorization URL for a user to hit.
"""
if internal:
self.response = self.client.post(self.request_token_url,\
{'oauth_callback': self.callback_url})
else:
self.response = self.client.get(self.request_token_url)
if self.response.code == 200:
self.response = parse_qs(self.response.content)
try:
return {'oauth_token': self.response['oauth_token'],\
'oauth_secret': self.response['oauth_token_secret']}
except AttributeError, e:
raise TwythonError("Something went wrong, with parsing or call\
\n get_authentication_token() failed with %s error code"% \
`e.code`)
else:
raise AuthError("Something went wrong\nError code:%s\n\
Error Message:%s"%(self.response.status_code,\
self.response.error.msg))
@staticmethod
def shortenURL(url_to_shorten):
"""
This is the function which will shorten url.
It uses is.gd.
Url: http://is.gd/create.php
Parameters:
url_to_shorten - string - Long url which is to be shortened.
Returns shorten url which is in unicode format.
"""
try:
response = requests.post("http://is.gd/create.php", \
data={'format': 'simple', 'url': url_to_shorten})
response.raise_for_status()
return response.content
except HTTPError, e:
raise TwythonError("shortenURL() failed with a %s error code."\
% `e.code`, e.code)
def bulkUserLookup(self, ids = None, screen_names = None, version = 1,\
**kwargs):
"""
bulkUserLookup(self, ids = None, screen_names = None, version = 1,
**kwargs):
A method to do bulk user lookups against the Twitter API.
Arguments (ids (numbers) / screen_names (strings)) should be flat.
Arrays that contain their respective data sets.
Statuses for the users in question will be returned inline if they
exists. Requires authentication!
"""
if ids:
kwargs['user_id'] = ','.join(map(str, ids))
if screen_names:
kwargs['screen_name'] = ','.join(screen_names)
try:
self.response = requests.get("\
http://api.twitter.com/%d/users/lookup.json" %version,\
kwargs)
self.response.raise_for_status()
return json.loads(self.response.content)
except HTTPError, e:
raise TwythonError("bulkUserLookup() failed with a %s error code."\
% `e.code`, e.code)
def search(self, q, **kwargs):
"""
search(**kwargs)
Returns Tweets that match the specified query.
Parameters:
q: query to search for example
See the documentation at http://dev.twitter.com/doc/get/
search.
Pass in the API supported arguments as named parameters.
e.g: x.search(q='python', page='2')
"""
try:
self.response = requests.get(\
"http://search.twitter.com/search.json",\
params={'q': q}, **kwargs)
self.response.raise_for_status()
return json.loads(self.response.content)
except HTTPError, e:
raise TwythonError("search() failed with %s error code" \
% `e.code`, e.code)
def searchTwitter(self, q, **kwargs):
"""
use search(). This will be removed soon.
"""
return self.search(q, **kwargs)
def searchGen(self, q, **kwargs):
"""
seaarchGen(self, **kwargs)
Returns a generator of tweets that match a specified query.
Documentation: http://dev.twitter.com/doc/get/search
e.g: x.searchGen(q='python', page='2')
"""
try:
self.response = self.search(q, **kwargs)
self.response.raise_for_status()
self.response = json.loads(self.response.content)
except HTTPError, e:
raise TwythonError("searchGen() exited with %d status code and \
code "%self.response.status_code, e.code)
if self.response['results']:
raise StopIteration
else:
for tweet in data['results']:
yield tweet
if 'page' not in kwargs:
kwargs['page'] = 2
else:
try:
# This line converts page param in query parameter to int and
# adds one because we are running inside func which will yield
# list of tweet using generator and converts to string.
kwargs['page'] = str(int(kwargs['page']) + 1)
except TypeError:
raise TwythonError("searchGen() exited because it page \
takes string ")
except e:
raise TwythonError("searchGen() failed with %s error code"%\
`e.code`, e.code)
for tweet in self.searchGen(**kwargs):
yield tweet
def searchTwitterGen(self, q, **kwargs):
"""
use searchGen(). This will be removed soon.
"""
return self.searchGen(q, **kwargs)
def isListMember(self, list_id, id, username, version = 1):
"""
isListMember(self, list_id, id, username, version =1)
Check if a specified user(id) is a member of the list in question
(list_id)
**Note: This method may not work for private/protected lists,
unless you're authenticated and have access to those lists.
Parameters:
list_id - Required. The slug of the list to check against.
id - Required. The ID of the user being checked in the list.
username - User who owns the list you're checking against\
(username) version(number) - Optional. API version to \
request.\
version (number) - Optional. API version to request.
Entire Twython class defaults to 1, but you can override on\
a function-by-function or class basis - (version=2), etc.
"""
try:
self.response = requests.post("http://api.twitter.com/%d/%s/%s/\
members/%s.json" % (version, username, list_id,\
`id`), headers = self.headers)
self.response.raise_for_status()
return json.loads(Self.response.content)
except HTTPError, e:
raise TwythonError("isListMember() failed with status code %d"\
%self.response.status_code, e.code)
def isListSubscriber(self, username, list_id, version = 1):
"""
isListSubscriber(self, username, list_id, id, version)
Check if a specified user(id) is a subscriber of the list in \
question(list_id)
**Note: This method may not work for private/protected lists,
unless you're authenticated and have access to those lists.
Parameters:
list_id - Required. The slug of the list to check against.
id - Required. The ID of the user being checked in the list.
username - Required. The username of the owner of the list\
that you're seeing if someone is subscribed to.
version (number) - Optional. API version to request.
Entire Twython class defaults to 1, but you can override on\
a function-by-function or class basis - (version=2), etc.
"""
try:
self.response = requests.post("http://api.twitter.com/%d/%s/%s\
following/%s.json" % (version,username,list_id,\
`id`), headers = self.headers)
self.response.raise_for_status()
return json.loads(self.response.content)
except HTTPError, e:
raise TwythonError("isListMember() failed with %d error code."%\
self.response.status_code, e.code)
def updateProfileBackgroundImage(self,filename,tile="true",version=1):
"""
updateProfileBackgroundImage(filename,tile="true")
Updates the authenticating user's profile background image.
Parameters:
image - Required. Must be a valid GIF, JPG, or PNG image of\
less than 800 kilobytes in size. Images with with larger \
than 2048 pixels will be forceably scaled down.
tile - Optional (defaults to true). If set to true the \
background image will be displayed tiled.
The image will not be tiled otherwise.
** Note: It's sad, but when using this method, pass the \
tile value as string,
e.g. title="false"
version (number) - Optional. API version to request.\
Entire Twython class defaults to 1, but you can override on\
a function-by-function or class basis - (version=2), etc.
"""
url = "http://api.twitter.com/%d/account/update_profile_background.\
json?tile=%s" %(version,tile)
try:
files = {filename: open(filename, 'rb')}
except IOError, e:
raise TwythonError("file reading %d error"%`e.code`, e.code)
try:
self.response = request.post(url, files=files)
self.response.raise_for_status()
return self.response.status_code
except HTTPError, e:
raise Twython("updateProfileBackgroundImage failed with %d\
error code"%self.response.status_code, e.code)
def updateProfileImage(self,filename,version=1):
"""
updateProfileImage(filename)
Updates the authenticating user's profile image (avatar).
Parameters:
image - Required. Must be valid GIF, JPG, or PNG image of\
less than 700 kilobytes in size. Image with width larger \
than 500 pixels will be scaled down.
version (number) - Optional. API version to request.
Entire Twython class defaults to 1, but you can override on\
a function-by-function or class basis - (version=2), etc.
"""
url = "http://api.twitter.com/%d/account/update_profile_image.json"\
%version
try:
files = {filename: open(filename, 'rb')}
except IOError, e:
raise TwythonError("file reading %d error"%`e.code`, e.code)
try:
self.response = requests.post(url, files=files)
self.response.raise_for_status()
return self.response.status_code
except HTTPError, e:
raise TwythonError("updateProfileImage() failed with %d error\
code"% self.response.status_code, e.code)
def getProfileImageUrl(self, username, size=None, version=1):
"""
getProfileImageUrl(username)
Gets the URL for the user's profile image.
Parameters:
username - Required. User name of the user you want the image
url of.
size - Optional.Options 'normal', 'mini', 'bigger'. Defaults
to 'normal' if not given.
version (number) - Optional. API version to request.
Entire Twython class defaults to 1, but you can override on\
a function-by-function or class basis - (version=2), etc.
"""
url = "http://api.twitter.com/%s/users/profile_image/%s.json"%\
(version, username)
try:
self.response = requests.get(url, params={'size': size})
if self.response.status_code in (301, 302, 303, 307):
return self.response.headers['location']
elif self.response.status_code == 200:
return self.response.url
self.response.raise_for_status()
except HTTPError, e:
raise TwythonError("getProfileIMageUrl() failed with %d \
error code"% `e.code`, e.code)
@staticmethod
def unicode2utf8(text):
try:
if isinstance(text, unicode):
text = text.encode('utf-8')
except:
pass
return text
@staticmethod
def encode(text):
if isinstance(text, (str, unicode)):
return Twython.unicode2utf8(text)
return str(text)