+try:
+ import urllib.request as urllib_request
+ import urllib.error as urllib_error
+except ImportError:
+ import urllib2 as urllib_request
+ import urllib2 as urllib_error
-from base64 import b64encode
-from urllib import urlencode
+try:
+ from cStringIO import StringIO
+except ImportError:
+ from io import BytesIO as StringIO
-import urllib2
+from .twitter_globals import POST_ACTIONS
+from .auth import NoAuth
-from exceptions import Exception
+import re
+import gzip
-def _py26OrGreater():
- import sys
- return sys.hexversion > 0x20600f0
+try:
+ import http.client as http_client
+except ImportError:
+ import httplib as http_client
-if _py26OrGreater():
+try:
import json
-else:
+except ImportError:
import simplejson as json
+
+class _DEFAULT(object):
+ pass
+
class TwitterError(Exception):
"""
- Exception thrown by the Twitter object when there is an
- error interacting with twitter.com.
+ Base Exception thrown by the Twitter object when there is a
+ general error interacting with the API.
"""
pass
-# These actions require POST http requests instead of GET
-_POST_ACTIONS = [
- "create", "update", "destroy", "new", "follow", "leave",
- ]
+class TwitterHTTPError(TwitterError):
+ """
+ Exception thrown by the Twitter object when there is an
+ HTTP error interacting with twitter.com.
+ """
+ def __init__(self, e, uri, format, uriparts):
+ self.e = e
+ self.uri = uri
+ self.format = format
+ self.uriparts = uriparts
+ try:
+ data = self.e.fp.read()
+ except http_client.IncompleteRead as e:
+ # can't read the error text
+ # let's try some of it
+ data = e.partial
+ if self.e.headers.get('Content-Encoding') == 'gzip':
+ buf = StringIO(data)
+ f = gzip.GzipFile(fileobj=buf)
+ self.response_data = f.read()
+ else:
+ self.response_data = data
+ super(TwitterHTTPError, self).__init__(str(self))
+
+ def __str__(self):
+ fmt = ("." + self.format) if self.format else ""
+ return (
+ "Twitter sent status %i for URL: %s%s using parameters: "
+ "(%s)\ndetails: %s" %(
+ self.e.code, self.uri, fmt, self.uriparts,
+ self.response_data))
+
+class TwitterResponse(object):
+ """
+ Response from a twitter request. Behaves like a list or a string
+ (depending on requested format) but it has a few other interesting
+ attributes.
+
+ `headers` gives you access to the response headers as an
+ httplib.HTTPHeaders instance. You can do
+ `response.headers.get('h')` to retrieve a header.
+ """
+ def __init__(self, headers):
+ self.headers = headers
+
+ @property
+ def rate_limit_remaining(self):
+ """
+ Remaining requests in the current rate-limit.
+ """
+ return int(self.headers.get('X-Rate-Limit-Remaining', "0"))
+
+ @property
+ def rate_limit_limit(self):
+ """
+ The rate limit ceiling for that given request.
+ """
+ return int(self.headers.get('X-Rate-Limit-Limit', "0"))
+
+ @property
+ def rate_limit_reset(self):
+ """
+ Time in UTC epoch seconds when the rate limit will reset.
+ """
+ return int(self.headers.get('X-Rate-Limit-Reset', "0"))
+
+
+def wrap_response(response, headers):
+ response_typ = type(response)
+ if response_typ is bool:
+ # HURF DURF MY NAME IS PYTHON AND I CAN'T SUBCLASS bool.
+ response_typ = int
+ elif response_typ is str:
+ return response
+
+ class WrappedTwitterResponse(response_typ, TwitterResponse):
+ __doc__ = TwitterResponse.__doc__
+
+ def __init__(self, response, headers):
+ response_typ.__init__(self, response)
+ TwitterResponse.__init__(self, headers)
+ def __new__(cls, response, headers):
+ return response_typ.__new__(cls, response)
+
+ return WrappedTwitterResponse(response, headers)
+
+
class TwitterCall(object):
+
def __init__(
- self, username, password, format, domain, uri="", agent=None):
- self.username = username
- self.password = password
+ self, auth, format, domain, callable_cls, uri="",
+ uriparts=None, secure=True, timeout=None, gzip=False):
+ self.auth = auth
self.format = format
self.domain = domain
+ self.callable_cls = callable_cls
self.uri = uri
- self.agent = agent
+ self.uriparts = uriparts
+ self.secure = secure
+ self.timeout = timeout
+ self.gzip = gzip
+
def __getattr__(self, k):
try:
return object.__getattr__(self, k)
except AttributeError:
- return TwitterCall(
- self.username, self.password, self.format, self.domain,
- self.uri + "/" + k, self.agent)
+ def extend_call(arg):
+ return self.callable_cls(
+ auth=self.auth, format=self.format, domain=self.domain,
+ callable_cls=self.callable_cls, timeout=self.timeout,
+ secure=self.secure, gzip=self.gzip,
+ uriparts=self.uriparts + (arg,))
+ if k == "_":
+ return extend_call
+ else:
+ return extend_call(k)
+
def __call__(self, **kwargs):
- uri = self.uri
- method = "GET"
- for action in _POST_ACTIONS:
- if self.uri.endswith(action):
- method = "POST"
- if (self.agent):
- kwargs["source"] = self.agent
- break
-
- if kwargs.has_key('id'):
- uri += "/%s" %(kwargs['id'])
-
- encoded_kwargs = urlencode(kwargs.items())
- argStr = ""
- argData = None
- encoded_kwargs = urlencode(kwargs.items())
- if kwargs:
- if (method == "GET"):
- argStr = "?%s" %(encoded_kwargs)
+ # Build the uri.
+ uriparts = []
+ for uripart in self.uriparts:
+ # If this part matches a keyword argument, use the
+ # supplied value otherwise, just use the part.
+ uriparts.append(str(kwargs.pop(uripart, uripart)))
+ uri = '/'.join(uriparts)
+
+ method = kwargs.pop('_method', None)
+ if not method:
+ method = "GET"
+ for action in POST_ACTIONS:
+ if re.search("%s(/\d+)?$" % action, uri):
+ method = "POST"
+ break
+
+ # If an id kwarg is present and there is no id to fill in in
+ # the list of uriparts, assume the id goes at the end.
+ id = kwargs.pop('id', None)
+ if id:
+ uri += "/%s" %(id)
+
+ # If an _id kwarg is present, this is treated as id as a CGI
+ # param.
+ _id = kwargs.pop('_id', None)
+ if _id:
+ kwargs['id'] = _id
+
+ # If an _timeout is specified in kwargs, use it
+ _timeout = kwargs.pop('_timeout', None)
+
+ secure_str = ''
+ if self.secure:
+ secure_str = 's'
+ dot = ""
+ if self.format:
+ dot = "."
+ uriBase = "http%s://%s/%s%s%s" %(
+ secure_str, self.domain, uri, dot, self.format)
+
+ headers = {'Accept-Encoding': 'gzip'} if self.gzip else dict()
+ body = None; arg_data = None
+ if self.auth:
+ headers.update(self.auth.generate_headers())
+ arg_data = self.auth.encode_params(uriBase, method, kwargs)
+ if method == 'GET':
+ uriBase += '?' + arg_data
else:
- argData = encoded_kwargs
-
- headers = {}
- if (self.agent):
- headers["X-Twitter-Client"] = self.agent
- if (self.username):
- headers["Authorization"] = "Basic " + b64encode("%s:%s" %(
- self.username, self.password))
-
- req = urllib2.Request(
- "http://%s/%s.%s%s" %(self.domain, self.uri, self.format, argStr),
- argData, headers
- )
+ body = arg_data.encode('utf8')
+
+ req = urllib_request.Request(uriBase, body, headers)
+ return self._handle_response(req, uri, arg_data, _timeout)
+
+ def _handle_response(self, req, uri, arg_data, _timeout=None):
+ kwargs = {}
+ if _timeout:
+ kwargs['timeout'] = _timeout
try:
- handle = urllib2.urlopen(req)
+ handle = urllib_request.urlopen(req, **kwargs)
+ if handle.headers['Content-Type'] in ['image/jpeg', 'image/png']:
+ return handle
+ try:
+ data = handle.read()
+ except http_client.IncompleteRead as e:
+ # Even if we don't get all the bytes we should have there
+ # may be a complete response in e.partial
+ data = e.partial
+ if handle.info().get('Content-Encoding') == 'gzip':
+ # Handle gzip decompression
+ buf = StringIO(data)
+ f = gzip.GzipFile(fileobj=buf)
+ data = f.read()
if "json" == self.format:
- return json.loads(handle.read())
+ res = json.loads(data.decode('utf8'))
+ return wrap_response(res, handle.headers)
else:
- return handle.read()
- except urllib2.HTTPError, e:
+ return wrap_response(
+ data.decode('utf8'), handle.headers)
+ except urllib_error.HTTPError as e:
if (e.code == 304):
return []
else:
- raise TwitterError(
- "Twitter sent status %i for URL: %s.%s using parameters: (%s)\ndetails: %s" %(
- e.code, uri, self.format, encoded_kwargs, e.fp.read()))
-
+ raise TwitterHTTPError(e, uri, self.format, arg_data)
+
class Twitter(TwitterCall):
"""
The minimalist yet fully featured Twitter API class.
-
+
Get RESTful data by accessing members of this class. The result
is decoded python objects (lists and dicts).
- The Twitter API is documented here:
+ The Twitter API is documented at:
+
+ http://dev.twitter.com/doc
+
- http://apiwiki.twitter.com/
- http://groups.google.com/group/twitter-development-talk/web/api-documentation
-
Examples::
-
- twitter = Twitter("hello@foo.com", "password123")
-
- # Get the public timeline
- twitter.statuses.public_timeline()
-
- # Get a particular friend's timeline
- twitter.statuses.friends_timeline(id="billybob")
-
- # Also supported (but totally weird)
- twitter.statuses.friends_timeline.billybob()
-
- # Send a direct message
- twitter.direct_messages.new(
- user="billybob",
- text="I think yer swell!")
+
+ t = Twitter(
+ auth=OAuth(token, token_key, con_secret, con_secret_key)))
+
+ # Get your "home" timeline
+ t.statuses.home_timeline()
+
+ # Get a particular friend's timeline
+ t.statuses.friends_timeline(id="billybob")
+
+ # Also supported (but totally weird)
+ t.statuses.friends_timeline.billybob()
+
+ # Update your status
+ t.statuses.update(
+ status="Using @sixohsix's sweet Python Twitter Tools.")
+
+ # Send a direct message
+ t.direct_messages.new(
+ user="billybob",
+ text="I think yer swell!")
+
+ # Get the members of tamtar's list "Things That Are Rad"
+ t._("tamtar")._("things-that-are-rad").members()
+
+ # Note how the magic `_` method can be used to insert data
+ # into the middle of a call. You can also use replacement:
+ t.user.list.members(user="tamtar", list="things-that-are-rad")
+
+ # An *optional* `_timeout` parameter can also be used for API
+ # calls which take much more time than normal or twitter stops
+ # responding for some reasone
+ t.users.lookup(
+ screen_name=','.join(A_LIST_OF_100_SCREEN_NAMES), \
+ _timeout=1)
+
+
Searching Twitter::
-
- twitter_search = Twitter(domain="search.twitter.com")
- # Find the latest search trends
- twitter_search.trends()
+ # Search for the latest tweets about #pycon
+ t.search.tweets(q="#pycon")
+
+
+ Using the data returned
+ -----------------------
+
+ Twitter API calls return decoded JSON. This is converted into
+ a bunch of Python lists, dicts, ints, and strings. For example::
+
+ x = twitter.statuses.home_timeline()
- # Search for the latest News on #gaza
- twitter_search.search(q="#gaza")
+ # The first 'tweet' in the timeline
+ x[0]
- Using the data returned::
+ # The screen name of the user who wrote the first 'tweet'
+ x[0]['user']['screen_name']
- Twitter API calls return decoded JSON. This is converted into
- a bunch of Python lists, dicts, ints, and strings. For example,
- x = twitter.statuses.public_timeline()
+ Getting raw XML data
+ --------------------
- # The first 'tweet' in the timeline
- x[0]
+ If you prefer to get your Twitter data in XML format, pass
+ format="xml" to the Twitter object when you instantiate it::
+
+ twitter = Twitter(format="xml")
+
+ The output will not be parsed in any way. It will be a raw string
+ of XML.
- # The screen name of the user who wrote the first 'tweet'
- x[0]['user']['screen_name']
-
- Getting raw XML data::
-
- If you prefer to get your Twitter data in XML format, pass
- format="xml" to the Twitter object when you instantiate it:
-
- twitter = Twitter(format="xml")
-
- The output will not be parsed in any way. It will be a raw string
- of XML.
"""
def __init__(
- self, email=None, password=None, format="json", domain="twitter.com",
- agent=None):
+ self, format="json",
+ domain="api.twitter.com", secure=True, auth=None,
+ api_version=_DEFAULT):
"""
- Create a new twitter API connector using the specified
- credentials (email and password). Format specifies the output
- format ("json" (default) or "xml").
+ Create a new twitter API connector.
+
+ Pass an `auth` parameter to use the credentials of a specific
+ user. Generally you'll want to pass an `OAuth`
+ instance::
+
+ twitter = Twitter(auth=OAuth(
+ token, token_secret, consumer_key, consumer_secret))
+
+
+ `domain` lets you change the domain you are connecting. By
+ default it's `api.twitter.com` but `search.twitter.com` may be
+ useful too.
+
+ If `secure` is False you will connect with HTTP instead of
+ HTTPS.
+
+ `api_version` is used to set the base uri. By default it's
+ '1'. If you are using "search.twitter.com" set this to None.
"""
- if (format not in ("json", "xml")):
- raise TwitterError("Unknown data format '%s'" %(format))
- TwitterCall.__init__(self, email, password, format, domain, "", agent)
+ if not auth:
+ auth = NoAuth()
+
+ if (format not in ("json", "xml", "")):
+ raise ValueError("Unknown data format '%s'" %(format))
+
+ if api_version is _DEFAULT:
+ api_version = '1.1'
+
+ uriparts = ()
+ if api_version:
+ uriparts += (str(api_version),)
+
+ TwitterCall.__init__(
+ self, auth=auth, format=format, domain=domain,
+ callable_cls=TwitterCall,
+ secure=secure, uriparts=uriparts)
+
-__all__ = ["Twitter", "TwitterError"]
+__all__ = ["Twitter", "TwitterError", "TwitterHTTPError", "TwitterResponse"]