Fixes 91. Also added the property rate_limit_limit to get rate limit ceiling for...

[z_archive/twitter.git] / twitter / api.py

diff --git a/twitter/api.py b/twitter/api.py
index 5d75f871df300836ec3483da9f3dd67711d0d053..8c4379d11560a2a40b3a13f93d2a1dc46d5cb04e 100644 (file)
--- a/twitter/api.py
+++ b/twitter/api.py
@@ -1,19 +1,29 @@
-import urllib2
-
-from exceptions import Exception
+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
+
+try:
+    from cStringIO import StringIO
+except ImportError:
+    from io import BytesIO as StringIO

 
 from twitter.twitter_globals import POST_ACTIONS
 from twitter.auth import NoAuth
 
 
 from twitter.twitter_globals import POST_ACTIONS
 from twitter.auth import NoAuth
 

-def _py26OrGreater():
-    import sys
-    return sys.hexversion > 0x20600f0
+import re
+import gzip

 
 

-if _py26OrGreater():
+try:

     import json
     import json

-else:
+except ImportError:

     import simplejson as json
 
     import simplejson as json
 

+class _DEFAULT(object):
+    pass
+

 class TwitterError(Exception):
     """
     Base Exception thrown by the Twitter object when there is a
 class TwitterError(Exception):
     """
     Base Exception thrown by the Twitter object when there is a


@@ -27,27 +37,90 @@ class TwitterHTTPError(TwitterError):
     HTTP error interacting with twitter.com.
     """
     def __init__(self, e, uri, format, uriparts):
     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
+        self.e = e
+        self.uri = uri
+        self.format = format
+        self.uriparts = uriparts
+        if self.e.headers['Content-Encoding'] == 'gzip':
+            buf = StringIO(self.e.fp.read())
+            f = gzip.GzipFile(fileobj=buf)
+            self.response_data = f.read()
+        else:
+            self.response_data = self.e.fp.read()

 
     def __str__(self):
 
     def __str__(self):

+        fmt = ("." + self.format) if self.format else ""

         return (
         return (

-            "Twitter sent status %i for URL: %s.%s using parameters: "
+            "Twitter sent status %i for URL: %s%s using parameters: "

             "(%s)\ndetails: %s" %(
             "(%s)\ndetails: %s" %(

-                self.e.code, self.uri, self.format, self.uriparts,
-                self.e.fp.read()))
+                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):
+        """
+        Remaining requests in the current rate-limit.
+        """
+        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
+
+    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):
 
 class TwitterCall(object):

+

     def __init__(
     def __init__(

-        self, auth, format, domain, uri="", agent=None,
+        self, auth, format, domain, callable_cls, uri="",

         uriparts=None, secure=True):
         self.auth = auth
         self.format = format
         self.domain = domain
         uriparts=None, secure=True):
         self.auth = auth
         self.format = format
         self.domain = domain

+        self.callable_cls = callable_cls

         self.uri = uri
         self.uri = uri

-        self.agent = agent

         self.uriparts = uriparts
         self.secure = secure
 
         self.uriparts = uriparts
         self.secure = secure
 


@@ -55,10 +128,16 @@ class TwitterCall(object):
         try:
             return object.__getattr__(self, k)
         except AttributeError:
         try:
             return object.__getattr__(self, k)
         except AttributeError:

-            return TwitterCall(
-                auth=self.auth, format=self.format, domain=self.domain,
-                agent=self.agent, uriparts=self.uriparts + (k,),
-                secure=self.secure)
+            def extend_call(arg):
+                return self.callable_cls(
+                    auth=self.auth, format=self.format, domain=self.domain,
+                    callable_cls=self.callable_cls, uriparts=self.uriparts \
+                        + (arg,),
+                    secure=self.secure)
+            if k == "_":
+                return extend_call
+            else:
+                return extend_call(k)

 
     def __call__(self, **kwargs):
         # Build the uri.
 
     def __call__(self, **kwargs):
         # Build the uri.


@@ -66,14 +145,16 @@ class TwitterCall(object):
         for uripart in self.uriparts:
             # If this part matches a keyword argument, use the
             # supplied value otherwise, just use the part.
         for uripart in self.uriparts:
             # If this part matches a keyword argument, use the
             # supplied value otherwise, just use the part.

-            uriparts.append(kwargs.pop(uripart, uripart))
+            uriparts.append(str(kwargs.pop(uripart, uripart)))

         uri = '/'.join(uriparts)
 
         uri = '/'.join(uriparts)
 

-        method = "GET"
-        for action in POST_ACTIONS:
-            if uri.endswith(action):
-                method = "POST"
-                break
+        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.
 
         # 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.


@@ -81,6 +162,12 @@ class TwitterCall(object):
         if id:
             uri += "/%s" %(id)
 
         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
+

         secure_str = ''
         if self.secure:
             secure_str = 's'
         secure_str = ''
         if self.secure:
             secure_str = 's'


@@ -90,7 +177,7 @@ class TwitterCall(object):
         uriBase = "http%s://%s/%s%s%s" %(
                     secure_str, self.domain, uri, dot, self.format)
 
         uriBase = "http%s://%s/%s%s%s" %(
                     secure_str, self.domain, uri, dot, self.format)
 

-        headers = {}
+        headers = {'Accept-Encoding': 'gzip'}

         if self.auth:
             headers.update(self.auth.generate_headers())
             arg_data = self.auth.encode_params(uriBase, method, kwargs)
         if self.auth:
             headers.update(self.auth.generate_headers())
             arg_data = self.auth.encode_params(uriBase, method, kwargs)


@@ -98,17 +185,30 @@ class TwitterCall(object):
                 uriBase += '?' + arg_data
                 body = None
             else:
                 uriBase += '?' + arg_data
                 body = None
             else:

-                body = arg_data
-
-        req = urllib2.Request(uriBase, body, headers)
+                body = arg_data.encode('utf8')
+        req = urllib_request.Request(uriBase, body, headers)
+        return self._handle_response(req, uri, arg_data)

 
 

+    def _handle_response(self, req, uri, arg_data):

         try:
         try:

-            handle = urllib2.urlopen(req)
+            handle = urllib_request.urlopen(req)
+            if handle.headers['Content-Type'] in ['image/jpeg', 'image/png']:
+                return handle
+            elif handle.info().get('Content-Encoding') == 'gzip':
+                # Handle gzip decompression
+                buf = StringIO(handle.read())
+                f = gzip.GzipFile(fileobj=buf)
+                data = f.read()
+            else:
+                data = handle.read()
+

             if "json" == self.format:
             if "json" == self.format:

-                return json.loads(handle.read())
+                res = json.loads(data.decode('utf8'))
+                return wrap_response(res, handle.headers)

             else:
             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:
             if (e.code == 304):
                 return []
             else:


@@ -121,43 +221,51 @@ class Twitter(TwitterCall):
     Get RESTful data by accessing members of this class. The result
     is decoded python objects (lists and dicts).
 
     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
 
 
     Examples::
 
 
       http://dev.twitter.com/doc
 
 
     Examples::
 

-      twitter = Twitter(
-          auth=OAuth(token, token_key, con_secret, con_secret_key)))
+        t = Twitter(
+            auth=OAuth(token, token_key, con_secret, con_secret_key)))
+
+        # Get the public timeline
+        t.statuses.public_timeline()

 
 

-      # Get the public timeline
-      twitter.statuses.public_timeline()
+        # Get a particular friend's timeline
+        t.statuses.friends_timeline(id="billybob")

 
 

-      # Get a particular friend's timeline
-      twitter.statuses.friends_timeline(id="billybob")
+        # Also supported (but totally weird)
+        t.statuses.friends_timeline.billybob()

 
 

-      # Also supported (but totally weird)
-      twitter.statuses.friends_timeline.billybob()
+        # Update your status
+        t.statuses.update(
+            status="Using @sixohsix's sweet Python Twitter Tools.")

 
 

-      # Send a direct message
-      twitter.direct_messages.new(
-          user="billybob",
-          text="I think yer swell!")
+        # Send a direct message
+        t.direct_messages.new(
+            user="billybob",
+            text="I think yer swell!")

 
 

-      # Get the members of a particular list of a particular friend
-      twitter.user.listname.members(user="billybob", listname="billysbuds")
+        # 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")

 
 
     Searching Twitter::
 
 
 
     Searching Twitter::
 

-      twitter_search = Twitter(domain="search.twitter.com")
+        twitter_search = Twitter(domain="search.twitter.com")

 
 

-      # Find the latest search trends
-      twitter_search.trends()
+        # Find the latest search trends
+        twitter_search.trends()

 
 

-      # Search for the latest News on #gaza
-      twitter_search.search(q="#gaza")
+        # Search for the latest News on #gaza
+        twitter_search.search(q="#gaza")

 
 
     Using the data returned
 
 
     Using the data returned


@@ -166,13 +274,13 @@ class Twitter(TwitterCall):
     Twitter API calls return decoded JSON. This is converted into
     a bunch of Python lists, dicts, ints, and strings. For example::
 
     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()
+        x = twitter.statuses.public_timeline()

 
 

-      # The first 'tweet' in the timeline
-      x[0]
+        # The first 'tweet' in the timeline
+        x[0]

 
 

-      # The screen name of the user who wrote the first 'tweet'
-      x[0]['user']['screen_name']
+        # The screen name of the user who wrote the first 'tweet'
+        x[0]['user']['screen_name']

 
 
     Getting raw XML data
 
 
     Getting raw XML data


@@ -181,16 +289,16 @@ class Twitter(TwitterCall):
     If you prefer to get your Twitter data in XML format, pass
     format="xml" to the Twitter object when you instantiate it::
 
     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")
+        twitter = Twitter(format="xml")

 
 

-      The output will not be parsed in any way. It will be a raw string
-      of XML.
+    The output will not be parsed in any way. It will be a raw string
+    of XML.

 
     """
     def __init__(
         self, format="json",
 
     """
     def __init__(
         self, format="json",

-        domain="twitter.com", secure=True, auth=None,
-        api_version=''):
+        domain="api.twitter.com", secure=True, auth=None,
+        api_version=_DEFAULT):

         """
         Create a new twitter API connector.
 
         """
         Create a new twitter API connector.
 


@@ -203,20 +311,14 @@ class Twitter(TwitterCall):
 
 
         `domain` lets you change the domain you are connecting. By
 
 
         `domain` lets you change the domain you are connecting. By

-        default it's twitter.com but `search.twitter.com` may be
+        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.
 
         useful too.
 
         If `secure` is False you will connect with HTTP instead of
         HTTPS.
 

-        The value of `agent` is sent in the `X-Twitter-Client`
-        header. This is deprecated. Instead Twitter determines the
-        application using the OAuth Client Key and Client Key Secret
-        parameters.
-

         `api_version` is used to set the base uri. By default it's
         `api_version` is used to set the base uri. By default it's

-        nothing, but if you set it to '1' your URI will start with
-        '1/'.
+        '1'. If you are using "search.twitter.com" set this to None.

         """
         if not auth:
             auth = NoAuth()
         """
         if not auth:
             auth = NoAuth()


@@ -224,13 +326,20 @@ class Twitter(TwitterCall):
         if (format not in ("json", "xml", "")):
             raise ValueError("Unknown data format '%s'" %(format))
 
         if (format not in ("json", "xml", "")):
             raise ValueError("Unknown data format '%s'" %(format))
 

+        if api_version is _DEFAULT:
+            if domain == 'api.twitter.com':
+                api_version = '1.1'
+            else:
+                api_version = None
+

         uriparts = ()
         if api_version:
             uriparts += (str(api_version),)
 
         TwitterCall.__init__(
             self, auth=auth, format=format, domain=domain,
         uriparts = ()
         if api_version:
             uriparts += (str(api_version),)
 
         TwitterCall.__init__(
             self, auth=auth, format=format, domain=domain,

+            callable_cls=TwitterCall,

             secure=secure, uriparts=uriparts)
 
 
             secure=secure, uriparts=uriparts)
 
 

-__all__ = ["Twitter", "TwitterError", "TwitterHTTPError"]
+__all__ = ["Twitter", "TwitterError", "TwitterHTTPError", "TwitterResponse"]