Gauche-net-twitter

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Gauche-net-twitter

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Twitter API access library for Gauche

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# Gauche-net-twitter (forked version)

**Warn** This package is a bit outdated. Some of main interfaces are alive but **some of are completely outdated** .

This module provides an interface to Twitter API using OAuth authentication.

Step by step:

1. Install the package.

From tarball:

$ gauche-package install [-S root] Gauche-net-twitter-*VERSION*.tgz

From source:

$ git clone git://github.com/mhayashi1120/Gauche-net-twitter.git
     $ cd Gauche-net-twitter
     $ ./configure
     $ make
     $ make -s check
     $ [sudo] make install

('-S root' option or 'sudo' may be required if you want to install
   the package system-wide.)

2. Register your application at http://twitter.com/oauth_clients
   * Check 'Client' in the Application Type question.
   * No need to check 'Use Twitter for login' box.
   * Save "Consumer key" and "Consumer secret" shown in the next screen.

3. Let the user to grant access to his/her twitter account via your client.
   How to handle this depends on your client.  If you (application author)
   just want to grant your application to access *your* twitter account,
   there's a simple script net/twitauth.scm that handles the process.  Run
   it as 'gosh net/twitauth'.   (If you haven't installed the module,
   cd to Gauche-net-twitter and run 'gosh -I. net/twitauth').
   It asks you to type your application's consumer key and consumer secret.

$ gosh net/twitauth
     Enter consumer key: XXXXXXXXXXXXXXXXXXX
     Enter consumer secret: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXx

Then it shows an URL you should access by your browser.

Open the following url and type in the shown PIN.
     https://api.twitter.com/oauth/authorize?oauth_token=XXXXXXXXXXXXXXXXXXX
     Input PIN:

The page asks you if you grant access to the applicatio or not.
   If you click "Accept", it shows 7-digit PIN.   Type that PIN
   into the above 'Input PIN' prompt.

Then the script shows information necessary to access to your Twitter
   account.  Save them.

(
    (consumer-key        . "XXXXXXXXXXXXXXXXXXXX")
    (consumer-secret     . "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX")
    (access-token        . "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX")
    (access-token-secret . "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX")
   )

NB: If you intend to distribute your application to others and allow
   them to grant the application's access to their Twitter account, you
   would want to have better UI.  You can design your interaction with
   twitter-authenticate-client procedure described below.

4. In your program, create a <twitter-cred> instance with the above
   information, and use it to call Twitter API.

(define *cred* (make <twitter-cred>
                     :consumer-key "XXX.....XXX"
                     :consumer-secret "XXX.....XXX"
                     :access-token "XXX......XXX"
                     :access-token-secret "XXX.....XXX"))

(twitter-update *cred* "Post from my application!")

# Old API (1.0)

At 2013.05.14, still works Twitter 1.0 API.
If you want to use this old API, please try `1.0-API' tag.

# Module API

[Module] net.twitter

Some twitter API interface come with several flavors.  Procedures
suffixed by /json return JSON representation of the server response,
along the list of message headers.  They are for applications that
needs full access to the server response.  Procedures without suffix,
or different suffix, return more convenient values, so that the
caller won't need to scan JSON. net.twitter such suffixed API return
string object for backward compatibility. Each modularized API 
return correspond typed value belongs to JSON object.

For instance, twitter-followers/json returns two values such as
the following (each result is truncated for conciseness):

gosh> (twitter-followers/ids/json cred :screen-name "chaton_gauche")
  (("ids" . #(75017042 5327762 69605132 151305186
    68190981 18044198 149962169 114554818
    10967962 14988077 19059915 37883768
    15674085 ....))

(("date" "Mon, 07 Jun 2010 02:03:04 GMT")
   ("server" "hi")
   ("status" "200 OK")
   ("x-transaction" "1275876184-68906-26775")
   ("x-ratelimit-limit" "150")
   ("etag" "\"83b847f06bfe0338b8c62c85f39a8294\"")
   ....)

While twitter-followers/ids just returns a list of user ids as string:

gosh> (twitter-followers/ids cred :screen-name "chaton_gauche")
  ("75017042" "5327762" "69605132" "151305186" "68190981" ...)

In both versions, if the server returns response other than 200,
a condition <twitter-api-error> is signalled.

`net.twitter' module methods as long as having backward compatibility,
otherwise have more usefull methods in almost case. If you want to use
API specific data type, require `net.twitter.friendship' module:

gosh> (followers/ids cred :screen-name "chaton_gauche")
  (75017042 5327762 69605132 151305186 68190981 ...)

[Class] <twitter-cred>

An object holding necessary information to access to the user's Twitter
    account.  It has the following instance slots.
  
     consumer-key
     consumer-secret
     access-token
     access-token-secret

[Condition type] <twitter-api-error>

A condition thrown when twitter server returns a response other
    than 200.  The condition has the following slots.
  
     status        (string) response status code, e.g. "403"
     headers       (list of (string string)) list of response headers.
     body          (string) response body, as is.
     body-sxml     (maybe SXML) if response body is XML, it is parsed and
                   SXML is set to this slots.  Otherwise it is #f.
     body-json     (maybe JSON) if response body is json, it is parsed and
                   JSON is set to this slots.  Otherwise it is #f.

[Function] twitter-authenticate-client consumer-key consumer-secret
                                       :optional input-callback

Authenticate the client using twitter's PIN-based OAuth authentication
    flow.  First it obtains request-token, then ask the user to access
    a specific URL to grant access by the client.  Once the user grant access,
    Twitter presents a PIN to the user, which should be fed back
    to the procedure to obtain access token and secret.
  
    Once this process completes, the client program can store the access
    token and access token secret to access the user's Twitter account,
    until the user explicitly asks to discard those credentials.  So, 
    in general, this procedure needs to be called once per user per client.
  
    The INPUT-CALLBACK is a procedure that handles user intervention.
    It is called by one argument, the Twitter URL the user should access.
    By default it prints the URL and asks the user to go there and obtain
    PIN, and prompts the user to enter it.  It should return the entered
    PIN in string, or #f to indicate the user aborted the process.
    If the callback returns an empty string, it is called again.
  
    Twitter-authenticate-client returns an instance of <twitter-cred>.

## [Module] net.twitter.account

[Function] update-delivery-device/json (https://api.twitter.com/1.1/account/update_delivery_device.json)

Sets which device Twitter delivers updates to for the authenticating user.
	Sending none as the device parameter will disable SMS updates.

[Function] update-profile-banner/json (https://api.twitter.com/1.1/account/update_profile_banner.json)

Uploads a profile banner on behalf of the authenticating user. For best
	results, upload an profile_banner_url node in their /overview/api/users
	Users objects. More information about sizing variations can be found in
	/overview/general/user-profile-images-and-banners User Profile Images and
	Banners and /rest/reference/get/users/profile_banner GET users /
	profile_banner . Profile banner images are processed asynchronously. The
	profile_banner_url and its variant sizes will not necessary be available
	directly after upload.

[Function] update-profile/json (https://api.twitter.com/1.1/account/update_profile.json)

Sets values that users are able to set under the "Account" tab of their
	settings page. Only the parameters specified will be updated.

[Function] update-profile-colors/json (https://api.twitter.com/1.1/account/update_profile_colors.json)

Sets one or more hex values that control the color scheme of the
	authenticating user's profile page on twitter.com. Each parameter's value
	must be a valid hexidecimal value, and may be either three or six
	characters (ex: #fff or #ffffff).

[Function] update-profile-background-image/json (https://api.twitter.com/1.1/account/update_profile_background_image.json)

Updates the authenticating user's profile background image. This method
	can also be used to enable or disable the profile background image.
	Although each parameter is marked as optional, at least one of image ,
	tile or use must be provided when making this request.

[Function] update-profile-image/json (https://api.twitter.com/1.1/account/update_profile_image.json)

Updates the authenticating user's profile image. Note that this method
	expects raw multipart data, not a URL to an image. This method
	asynchronously processes the uploaded file before updating the user's
	profile image URL. You can either update your local cache the next time
	you request the user's information, or, at least 5 seconds after uploading
	the image, ask for the updated URL using /rest/reference/get/users/show
	GET users / show .

[Function] settings-update/json (https://api.twitter.com/1.1/account/settings.json)

Updates the authenticating user's settings.

[Function] settings/json (https://api.twitter.com/1.1/account/settings.json)

Returns settings (including current trend, geo and sleep time information)
	for the authenticating user.

[Function] verify-credentials/json (https://api.twitter.com/1.1/account/verify_credentials.json)

Returns an HTTP 200 OK response code and a representation of the
	requesting user if authentication was successful; returns a 401 status
	code and an error message if not. Use this method to test if supplied user
	credentials are valid.

## [Module] net.twitter.help

[Function] privacy/json (https://api.twitter.com/1.1/help/privacy.json)

Returns http://twitter.com/privacy Twitter's Privacy Policy .

[Function] tos/json (https://api.twitter.com/1.1/help/tos.json)

Returns the http://twitter.com/tos Twitter Terms of Service . Note: these
	are not the same as the /overview/terms/rules-of-the-road Developer Rules
	of the Road .

[Function] rate-limit-status/json (https://api.twitter.com/1.1/application/rate_limit_status.json)

Returns the current rate limits for methods belonging to the specified
	resource families. Each 1.1 API resource belongs to a "resource family"
	which is indicated in its method documentation. You can typically
	determine a method's resource family from the first component of the path
	after the resource version. This method responds with a map of methods
	belonging to the families specified by the resources parameter, the
	current remaining uses for each of those resources within the current rate
	limiting window, and its expiration time in
	http://en.wikipedia.org/wiki/Unix_time epoch time . It also includes a
	rate_limit_context field that indicates the current access token or
	application-only authentication context. You may also issue requests to
	this method without any parameters to receive a map of all rate limited
	GET methods. If your application only uses a few of methods, please
	explicitly provide a resources parameter with the specified resource
	families you work with. When using app-only auth, this method's response
	indicates the app-only auth rate limiting context. Read more about
	/rest/public/rate-limiting API Rate Limiting and
	/rest/public/rate-limiting review the limits .

[Function] languages/json (https://api.twitter.com/1.1/help/languages.json)

Returns the list of languages supported by Twitter along with the language
	code supported by Twitter. The language code may be formatted as ISO 639-1
	alpha-2 ( en ), ISO 639-3 alpha-3 ( msa ), or ISO 639-1 alpha-2 combined
	with an ISO 3166-1 alpha-2 localization ( zh-tw ).

[Function] configuration/json (https://api.twitter.com/1.1/help/configuration.json)

Returns the current configuration used by Twitter including twitter.com
	slugs which are not usernames, maximum photo resolutions, and t.co URL
	lengths. It is recommended applications request this endpoint when they
	are loaded, but no more than once a day.

## [Module] net.twitter.favorite

[Function] destroy/json (https://api.twitter.com/1.1/favorites/destroy.json)

Un-favorites the status specified in the ID parameter as the
	authenticating user. Returns the un-favorited status in the requested
	format when successful. This process invoked by this method is
	asynchronous. The immediately returned status may not indicate the
	resultant favorited status of the tweet. A 200 OK response from this
	method will indicate whether the intended action was successful or not.

[Function] create/json (https://api.twitter.com/1.1/favorites/create.json)

Favorites the status specified in the ID parameter as the authenticating
	user. Returns the favorite status when successful. This process invoked by
	this method is asynchronous. The immediately returned status may not
	indicate the resultant favorited status of the tweet. A 200 OK response
	from this method will indicate whether the intended action was successful
	or not.

[Function] list/json (https://api.twitter.com/1.1/favorites/list.json)

Returns the 20 most recent Tweets favorited by the authenticating or
	specified user.

## [Module] net.twitter.search

[Function] search-tweets/json (https://api.twitter.com/1.1/search/tweets.json)

Returns a collection of relevant /overview/api/tweets Tweets matching a
	specified query. Please note that Twitter's search service and, by
	extension, the Search API is not meant to be an exhaustive source of
	Tweets. Not all Tweets will be indexed or made available via the search
	interface. In API v1.1, the response format of the Search API has been
	improved to return /overview/api/tweets Tweet objects more similar to the
	objects you'll find across the REST API and platform. However,
	perspectival attributes (fields that pertain to the perspective of the
	authenticating user) are not currently supported on this endpoint. To
	learn how to use https://twitter.com/search Twitter Search effectively,
	consult our guide to /rest/public/search Using the Twitter Search API .
	See /rest/public/timelines Working with Timelines to learn best practices
	for navigating results by since_id and max_id .

## [Module] net.twitter.geo

[Function] place/json (https://api.twitter.com/1.1/geo/place.json)

As of December 2nd, 2013, this endpoint is deprecated and retired and no
	longer functions. Place creation was used infrequently by third party
	applications and is generally no longer supported on Twitter. Requests
	will return with status /overview/api/response-codes 410 (Gone) with error
	code 251 . Created a new place object at the given latitude and longitude.
	Before creating a place you needed to query
	/rest/reference/get/geo/similar_places GET geo/similar_places with the
	latitude, longitude and name of the place you wished to create. The query
	will return an array of places which are similar to the one you wish to
	create, and a token . If the place you wished to create wasn't in the
	returned array you could use the token with this method to create a new
	one. Learn more about /rest/public/finding-tweets-about-places Finding
	Tweets about Places .

[Function] id/json (https://api.twitter.com/1.1/geo/id/:place_id.json)

Returns all the information about a known /overview/api/places place .

[Function] reverse-geocode/json (https://api.twitter.com/1.1/geo/reverse_geocode.json)

Given a latitude and a longitude, searches for up to 20 places that can be
	used as a place_id when updating a status. This request is an informative
	call and will deliver generalized results about geography.

[Function] similar-places/json (https://api.twitter.com/1.1/geo/similar_places.json)

Locates /overview/api/places places near the given coordinates which are
	similar in name.

[Function] search/json (https://api.twitter.com/1.1/geo/search.json)

Search for places that can be attached to a statuses/update. Given a
	latitude and a longitude pair, an IP address, or a name, this request will
	return a list of all the valid places that can be used as the place_id
	when updating a status. Conceptually, a query can be made from the user's
	location, retrieve a list of places, have the user validate the location
	he or she is at, and then send the ID of this location with a call to
	/rest/reference/post/statuses/update POST statuses/update . This is the
	recommended method to use find places that can be attached to
	statuses/update. Unlike /rest/reference/get/geo/reverse_geocode GET
	geo/reverse_geocode which provides raw data access, this endpoint can
	potentially re-order places with regards to the user who is authenticated.
	This approach is also preferred for interactive place matching with the
	user. Some parameters in this method are only required based on the
	existence of other parameters. For instance, "lat" is required if "long"
	is provided, and vice-versa. Authentication is recommended, but not
	required with this method.

## [Module] net.twitter.dm

[Function] destroy/json (https://api.twitter.com/1.1/direct_messages/destroy.json)

Destroys the direct message specified in the required ID parameter. The
	authenticating user must be the recipient of the specified direct message.
	Important : This method requires an access token with RWD (read, write
	&amp; direct message) permissions. Consult
	/oauth/overview/application-permission-model The Application Permission
	Model for more information.

[Function] send/json (https://api.twitter.com/1.1/direct_messages/new.json)

Sends a new direct message to the specified user from the authenticating
	user. Requires both the user and text parameters and must be a POST.
	Returns the sent message in the requested format if successful.

[Function] sent/json (https://api.twitter.com/1.1/direct_messages/sent.json)

Returns the 20 most recent direct messages sent by the authenticating
	user. Includes detailed information about the sender and recipient user.
	You can request up to 200 direct messages per call, up to a maximum of 800
	outgoing DMs. Important : This method requires an access token with RWD
	(read, write &amp; direct message) permissions. Consult
	/oauth/overview/application-permission-model The Application Permission
	Model for more information.

[Function] list/json (https://api.twitter.com/1.1/direct_messages.json)

Returns the 20 most recent direct messages sent to the authenticating
	user. Includes detailed information about the sender and recipient user.
	You can request up to 200 direct messages per call, up to a maximum of 800
	incoming DMs. Important : This method requires an access token with RWD
	(read, write &amp; direct message) permissions. Consult
	/oauth/overview/application-permission-model The Application Permission
	Model for more information.

[Function] show/json (https://api.twitter.com/1.1/direct_messages/show.json)

Returns a single direct message, specified by an id parameter. Like the
	/1.1/direct_messages.format request, this method will include the user
	objects of the sender and recipient. Important : This method requires an
	access token with RWD (read, write &amp; direct message) permissions.
	Consult /oauth/overview/application-permission-model The Application
	Permission Model for more information.

## [Module] net.twitter.mute

[Function] destroy/json (https://api.twitter.com/1.1/mutes/users/destroy.json)

Un-mutes the user specified in the ID parameter for the authenticating
	user. Returns the unmuted user in the requested format when successful.
	Returns a string describing the failure condition when unsuccessful.
	Actions taken in this method are asynchronous and changes will be
	eventually consistent.

[Function] create/json (https://api.twitter.com/1.1/mutes/users/create.json)

Mutes the user specified in the ID parameter for the authenticating user.
	Returns the muted user in the requested format when successful. Returns a
	string describing the failure condition when unsuccessful. Actions taken
	in this method are asynchronous and changes will be eventually consistent.

[Function] ids/json (https://api.twitter.com/1.1/mutes/users/ids.json)

Returns an array of numeric user ids the authenticating user has muted.

[Function] list/json (https://api.twitter.com/1.1/mutes/users/list.json)

Returns an array of /overview/api/users user objects the authenticating
	user has muted.

## [Module] net.twitter.friendship

[Function] friends-incoming/json (https://api.twitter.com/1.1/friendships/incoming.json)

Returns a collection of numeric IDs for every user who has a pending
	request to follow the authenticating user.

[Function] friends-lookup/json (https://api.twitter.com/1.1/friendships/lookup.json)

Returns the relationships of the authenticating user to the
	comma-separated list of up to 100 screen_names or user_ids provided.
	Values for connections can be: following , following_requested ,
	followed_by , none , blocking , muting .

[Function] friends-no-retweets/ids/json (https://api.twitter.com/1.1/friendships/no_retweets/ids.json)

Returns a collection of user_ids that the currently authenticated user
	does not want to receive retweets from. Use
	/rest/reference/post/friendships/update POST friendships / update to set
	the "no retweets" status for a given user account on behalf of the current
	user.

[Function] friends-outgoing/json (https://api.twitter.com/1.1/friendships/outgoing.format)

Returns a collection of numeric IDs for every protected user for whom the
	authenticating user has a pending follow request.

[Function] update/json (https://api.twitter.com/1.1/friendships/update.json)

Allows one to enable or disable retweets and device notifications from the
	specified user.

[Function] destroy/json (https://api.twitter.com/1.1/friendships/destroy.json)

Allows the authenticating user to unfollow the user specified in the ID
	parameter. Returns the unfollowed user in the requested format when
	successful. Returns a string describing the failure condition when
	unsuccessful. Actions taken in this method are asynchronous and changes
	will be eventually consistent.

[Function] create/json (https://api.twitter.com/1.1/friendships/create.json)

Allows the authenticating users to follow the user specified in the ID
	parameter. Returns the befriended user in the requested format when
	successful. Returns a string describing the failure condition when
	unsuccessful. If you are already friends with the user a HTTP 403 may be
	returned, though for performance reasons you may get a 200 OK message even
	if the friendship already exists. Actions taken in this method are
	asynchronous and changes will be eventually consistent.

[Function] show/json (https://api.twitter.com/1.1/friendships/show.json)

Returns detailed information about the relationship between two arbitrary
	users.

[Function] followers/list/json (https://api.twitter.com/1.1/followers/list.json)

Returns a cursored collection of user objects for users following the
	specified user. At this time, results are ordered with the most recent
	following first — however, this ordering is subject to unannounced change
	and eventual consistency issues. Results are given in groups of 20 users
	and multiple "pages" of results can be navigated through using the
	next_cursor value in subsequent requests. See /overview/api/cursoring
	Using cursors to navigate collections for more information.

[Function] followers/ids/json (https://api.twitter.com/1.1/followers/ids.json)

Returns a cursored collection of user IDs for every user following the
	specified user. At this time, results are ordered with the most recent
	following first — however, this ordering is subject to unannounced change
	and eventual consistency issues. Results are given in groups of 5,000 user
	IDs and multiple "pages" of results can be navigated through using the
	next_cursor value in subsequent requests. See /overview/api/cursoring
	Using cursors to navigate collections for more information. This method is
	especially powerful when used in conjunction with
	/rest/reference/get/users/lookup GET users / lookup , a method that allows
	you to convert user IDs into full /overview/api/users user objects in
	bulk.

[Function] friends/list/json (https://api.twitter.com/1.1/friends/list.json)

Returns a cursored collection of user objects for every user the specified
	user is following (otherwise known as their "friends"). At this time,
	results are ordered with the most recent following first — however, this
	ordering is subject to unannounced change and eventual consistency issues.
	Results are given in groups of 20 users and multiple "pages" of results
	can be navigated through using the next_cursor value in subsequent
	requests. See /overview/api/cursoring Using cursors to navigate
	collections for more information.

[Function] friends/ids/json (https://api.twitter.com/1.1/friends/ids.json)

Returns a cursored collection of user IDs for every user the specified
	user is following (otherwise known as their "friends"). At this time,
	results are ordered with the most recent following first — however, this
	ordering is subject to unannounced change and eventual consistency issues.
	Results are given in groups of 5,000 user IDs and multiple "pages" of
	results can be navigated through using the next_cursor value in subsequent
	requests. See /overview/api/cursoring Using cursors to navigate
	collections for more information. This method is especially powerful when
	used in conjunction with /rest/reference/get/users/lookup GET users /
	lookup , a method that allows you to convert user IDs into full
	/overview/api/users user objects in bulk.

## [Module] net.twitter.user

[Function] report-spam/json (https://api.twitter.com/1.1/users/report_spam.json)

Report the specified user as a spam account to Twitter. Additionally
	performs the equivalent of /rest/reference/post/blocks/create POST blocks
	/ create on behalf of the authenticated user.

[Function] profile-banner/json (https://api.twitter.com/1.1/users/profile_banner.json)

Returns a map of the available size variations of the specified user's
	profile banner. If the user has not uploaded a profile banner, a HTTP 404
	will be served instead. This method can be used instead of string
	manipulation on the profile_banner_url returned in user objects as
	described in [node:10796 ]. The profile banner data available at each size
	variant's URL is in PNG format.

[Function] suggestion/members/json (https://api.twitter.com/1.1/users/suggestions/:slug/members.json)

Access the users in a given category of the Twitter suggested user list
	and return their most recent status if they are not a protected user.

[Function] suggestions/category/json (https://api.twitter.com/1.1/users/suggestions/:slug.json)

Access the users in a given category of the Twitter suggested user list.
	It is recommended that applications cache this data for no more than one
	hour.

[Function] suggestions/json (https://api.twitter.com/1.1/users/suggestions.json)

Access to Twitter's suggested user list. This returns the list of
	suggested user categories. The category can be used in
	/rest/reference/get/users/suggestions/%3Aslug GET users / suggestions /
	:slug to get the users in that category.

[Function] search/json (https://api.twitter.com/1.1/users/search.json)

Provides a simple, relevance-based search interface to public user
	accounts on Twitter. Try querying by topical interest, full name, company
	name, location, or other criteria. Exact match searches are not supported.
	Only the first 1,000 matching results are available.

[Function] lookup/json (https://api.twitter.com/1.1/users/lookup.json)

Returns fully-hydrated /overview/api/users user objects for up to 100
	users per request, as specified by comma-separated values passed to the
	user_id and/or screen_name parameters. This method is especially useful
	when used in conjunction with collections of user IDs returned from
	/rest/reference/get/friends/ids GET friends / ids and
	/rest/reference/get/followers/ids GET followers / ids .
	/rest/reference/get/users/show GET users / show is used to retrieve a
	single user object. There are a few things to note when using this method.

[Function] show/json (https://api.twitter.com/1.1/users/show.json)

Returns a /overview/api/users variety of information about the user
	specified by the required user_id or screen_name parameter. The author's
	most recent Tweet will be returned inline when possible.
	/rest/reference/get/users/lookup GET users / lookup is used to retrieve a
	bulk collection of user objects. You must be following a protected user to
	be able to see their most recent Tweet. If you don't follow a protected
	user, the users Tweet will be removed. A Tweet will not always be returned
	in the current_status field.

## [Module] net.twitter.status

[Function] lookup/json (https://api.twitter.com/1.1/statuses/lookup.json)

Returns fully-hydrated /overview/api/tweets tweet objects for up to 100
	tweets per request, as specified by comma-separated values passed to the
	id parameter. This method is especially useful to get the details
	(hydrate) a collection of Tweet IDs.
	/rest/reference/get/statuses/show/%3Aid GET statuses / show / :id is used
	to retrieve a single tweet object. There are a few things to note when
	using this method.

[Function] retweeters/ids/json (https://api.twitter.com/1.1/statuses/retweeters/ids.json)

Returns a collection of up to 100 user IDs belonging to users who have
	retweeted the tweet specified by the id parameter. This method offers
	similar data to /rest/reference/get/statuses/retweets/%3Aid GET statuses /
	retweets / :id .

[Function] oembed/json (https://api.twitter.com/1.1/statuses/oembed.{format})

Returns a single Tweet, specified by either a Tweet web URL or the Tweet
	ID, in an http://oembed.com/ oEmbed -compatible format. The returned HTML
	snippet will be automatically recognized as an /web/embedded-tweets
	Embedded Tweet when /web/javascript/loading Twitter's widget JavaScript is
	included on the page . The oEmbed endpoint allows customization of the
	final appearance of an Embedded Tweet by setting the corresponding
	properties in HTML markup to be interpreted by Twitter's JavaScript
	bundled with the HTML response by default. The format of the returned
	markup may change over time as Twitter adds new features or adjusts its
	Tweet representation. The Tweet fallback markup is meant to be cached on
	your servers for up to the suggested cache lifetime specified in the
	cache_age . The oEmbed endpoint supports unauthenticated requests at
	api.twitter.com/1/statuses/oembed.{format} suitable for distributed
	software and general discovery. Individual sites should request oEmbed
	data using an application token.

[Function] retweets/json (https://api.twitter.com/1.1/statuses/retweets/:id.json)

Returns a collection of the 100 most recent retweets of the tweet
	specified by the id parameter.

[Function] retweet/json (https://api.twitter.com/1.1/statuses/retweet/:id.json)

Retweets a tweet. Returns the /overview/api/tweets original tweet with
	retweet details embedded. Usage Notes :

[Function] destroy/json (https://api.twitter.com/1.1/statuses/destroy/:id.json)

Destroys the status specified by the required ID parameter. The
	authenticating user must be the author of the specified status. Returns
	the destroyed status if successful.

[Function] update-with-media/json (https://api.twitter.com/1.1/statuses/update_with_media.json)

This end point has been deprecated. Please refer to
	https://dev.twitter.com/rest/public/uploading-media-multiple-photos
	Uploading Media: Multiple Photos for uploading one or more media entities.
	Updates the authenticating user's current status and attaches media for
	upload. In other words, it creates a Tweet with a picture attached. Unlike
	/docs/api/1.1/post/statuses/update POST statuses/update , this method
	expects raw multipart data. Your POST request's Content-Type should be set
	to multipart/form-data with the media[] parameter . See
	/rest/public/uploading-media Uploading Media for a guide to using this
	method. The Tweet text will be rewritten to include the media URL(s),
	which will reduce the number of characters allowed in the Tweet text. If
	the URL(s) cannot be appended without text truncation, the tweet will be
	rejected and this method will return an HTTP 403 error. Important : In API
	v1.1, you now use api.twitter.com as the domain instead of
	upload.twitter.com. Use of SSL is required with this method. Important :
	In API v1.1, you now use api.twitter.com as the domain instead of
	upload.twitter.com. Users are limited to a specific daily media upload
	limit.. Requests to this endpoint will return the following headers with
	information regarding the user's current media upload limits: If the user
	is over the daily media limit, this method will return an HTTP 403 error.
	In addition to media upload limits, the user is still limited in the
	number of statuses they can publish daily. If the user tries to exceed the
	number of updates allowed, this method will also return an HTTP 403 error,
	similar to /rest/reference/post/statuses/update POST statuses / update .
	OAuth is handled differently for POST messages. See
	/rest/public/uploading-media Uploading Media for more details on this.
	note Note: The OAuth tool does not support multipart requests, so you will
	not be able to use it to generate an example request to this endpoint. An
	example request has been included to demonstrate the multipart request
	format.

[Function] update/json (https://api.twitter.com/1.1/statuses/update.json)

Updates the authenticating user's current status, also known as tweeting.
	For each update attempt, the update text is compared with the
	authenticating user's recent tweets. Any attempt that would result in
	duplication will be blocked, resulting in a 403 error. Therefore, a user
	cannot submit the same status twice in a row. While not rate limited by
	the API a user is limited in the number of tweets they can create at a
	time. If the number of updates posted by the user reaches the current
	allowed limit this method will return an HTTP 403 error. About Geo

[Function] show/json (https://api.twitter.com/1.1/statuses/show.json)

Returns a single /overview/api/tweets Tweet , specified by the id
	parameter. The Tweet's author will also be embedded within the tweet. See
	/rest/reference/get/statuses/lookup GET statuses / lookup for getting
	Tweets in bulk (up to 100 per call). See also /web/embedded-timelines
	Embeddable Timelines , /web/embedded-tweets Embeddable Tweets , and
	/rest/reference/get/statuses/oembed GET statuses/oembed for tools to
	render Tweets according to /overview/terms/display-requirements Display
	Requirements . About Geo If there is no geotag for a status, then there
	will be an empty &lt;geo/&gt; or "geo" : {} . This can only be populated
	if the user has used the Geotagging API to send a statuses/update. The
	JSON response mostly uses conventions laid out in GeoJSON. Unfortunately,
	the coordinates that Twitter renders are reversed from the GeoJSON
	specification (GeoJSON specifies a longitude then a latitude, whereas we
	are currently representing it as a latitude then a longitude). Our JSON
	renders as: "geo": { "type":"Point", "coordinates":[37.78029, -122.39697]
	} Contributors If there are no contributors for a Tweet, then there will
	be an empty or "contributors" : {} . This field will only be populated if
	the user has contributors enabled on his or her account — this is a beta
	feature that is not yet generally available to all. This object contains
	an array of user IDs for users who have contributed to this status (an
	example of a status that has been contributed to is this one). In
	practice, there is usually only one ID in this array. The JSON renders as
	such "contributors":[8285392] .

## [Module] net.twitter.trends

[Function] place/json (https://api.twitter.com/1.1/trends/place.json)

Returns the top 10 trending topics for a specific WOEID , if trending
	information is available for it. The response is an array of "trend"
	objects that encode the name of the trending topic, the query parameter
	that can be used to search for the topic on me http://search.twitter.com/
	Twitter Search , and the Twitter Search URL. This information is cached
	for 5 minutes. Requesting more frequently than that will not return any
	more data, and will count against your rate limit usage.

[Function] closest/json (https://api.twitter.com/1.1/trends/closest.json)

Returns the locations that Twitter has trending topic information for,
	closest to a specified location. The response is an array of "locations"
	that encode the location's WOEID and some other human-readable information
	such as a canonical name and country the location belongs in. A WOEID is a
	external http://developer.yahoo.com/geo/geoplanet/ Yahoo! Where On Earth
	ID .

[Function] available/json (https://api.twitter.com/1.1/trends/available.json)

Returns the locations that Twitter has trending topic information for. The
	response is an array of "locations" that encode the location's WOEID and
	some other human-readable information such as a canonical name and country
	the location belongs in. A WOEID is a external
	http://developer.yahoo.com/geo/geoplanet/ Yahoo! Where On Earth ID .

## [Module] net.twitter.list

[Function] subscriptions/json (https://api.twitter.com/1.1/lists/subscriptions.json)

Obtain a collection of the lists the specified user is subscribed to, 20
	lists per page by default. Does not include the user's own lists.

[Function] memberships/json (https://api.twitter.com/1.1/lists/memberships.json)

Returns the lists the specified user has been added to. If user_id or
	screen_name are not provided the memberships for the authenticating user
	are returned.

[Function] subscriber-destroy/json (https://api.twitter.com/1.1/lists/subscribers/destroy.json )

Unsubscribes the authenticated user from the specified list.

[Function] subscriber-create/json (https://api.twitter.com/1.1/lists/subscribers/create.json)

Subscribes the authenticated user to the specified list.

[Function] subscriber-show/json (https://api.twitter.com/1.1/lists/subscribers/show.json )

Check if the specified user is a subscriber of the specified list. Returns
	the user if they are subscriber.

[Function] subscribers/json (https://api.twitter.com/1.1/lists/subscribers.json)

Returns the subscribers of the specified list. Private list subscribers
	will only be shown if the authenticated user owns the specified list.

[Function] member-destroy-all/json (https://api.twitter.com/1.1/lists/members/destroy_all.json )

Removes multiple members from a list, by specifying a comma-separated list
	of member ids or screen names. The authenticated user must own the list to
	be able to remove members from it. Note that lists can't have more than
	500 members, and you are limited to removing up to 100 members to a list
	at a time with this method. Please note that there can be issues with
	lists that rapidly remove and add memberships. Take care when using these
	methods such that you are not too rapidly switching between removals and
	adds on the same list.

[Function] member-destroy/json (https://api.twitter.com/1.1/lists/members/destroy.json)

Removes the specified member from the list. The authenticated user must be
	the list's owner to remove members from the list.

[Function] members-create-all/json (https://api.twitter.com/1.1/lists/members/create_all.json )

Adds multiple members to a list, by specifying a comma-separated list of
	member ids or screen names. The authenticated user must own the list to be
	able to add members to it. Note that lists can't have more than 5,000
	members, and you are limited to adding up to 100 members to a list at a
	time with this method. Please note that there can be issues with lists
	that rapidly remove and add memberships. Take care when using these
	methods such that you are not too rapidly switching between removals and
	adds on the same list.

[Function] member-create/json (https://api.twitter.com/1.1/lists/members/create.json)

Add a member to a list. The authenticated user must own the list to be
	able to add members to it. Note that lists cannot have more than 5,000
	members.

[Function] member-show/json (https://api.twitter.com/1.1/lists/members/show.json )

Check if the specified user is a member of the specified list.

[Function] members/json (https://api.twitter.com/1.1/lists/members.json)

Returns the members of the specified list. Private list members will only
	be shown if the authenticated user owns the specified list.

[Function] destroy/json (https://api.twitter.com/1.1/lists/destroy.json )

Deletes the specified list. The authenticated user must own the list to be
	able to destroy it.

[Function] update/json (https://api.twitter.com/1.1/lists/update.json)

Updates the specified list. The authenticated user must own the list to be
	able to update it.

[Function] create/json (https://api.twitter.com/1.1/lists/create.json)

Creates a new list for the authenticated user. Note that you can't create
	more than 20 lists per account.

[Function] statuses/json (https://api.twitter.com/1.1/lists/statuses.json)

Returns a timeline of tweets authored by members of the specified list.
	Retweets are included by default. Use the include_rts=false parameter to
	omit retweets. /web/embedded-timelines Embedded Timelines is a great way
	to embed list timelines on your website.

[Function] ownerships/json (https://api.twitter.com/1.1/lists/ownerships.json)

Returns the lists owned by the specified Twitter user. Private lists will
	only be shown if the authenticated user is also the owner of the lists.

[Function] show/json (https://api.twitter.com/1.1/lists/show.json)

Returns the specified list. Private lists will only be shown if the
	authenticated user owns the specified list.

[Function] list/json (https://api.twitter.com/1.1/lists/list.json)

Returns all lists the authenticating or specified user subscribes to,
	including their own. The user is specified using the user_id or
	screen_name parameters. If no user is given, the authenticating user is
	used. This method used to be GET lists in version 1.0 of the API and has
	been renamed for consistency with other call. A maximum of 100 results
	will be returned by this call. Subscribed lists are returned first,
	followed by owned lists. This means that if a user subscribes to 90 lists
	and owns 20 lists, this method returns 90 subscriptions and 10 owned
	lists. The reverse method returns owned lists first, so with reverse=true
	, 20 owned lists and 80 subscriptions would be returned. If your goal is
	to obtain every list a user owns or subscribes to, use
	/rest/reference/get/lists/ownerships GET lists / ownerships and/or
	/rest/reference/get/lists/subscriptions GET lists / subscriptions instead.

## [Module] net.twitter.block

[Function] destroy/json (https://api.twitter.com/1.1/blocks/destroy.json)

Un-blocks the user specified in the ID parameter for the authenticating
	user. Returns the un-blocked user in the requested format when successful.
	If relationships existed before the block was instated, they will not be
	restored.

[Function] create/json (https://api.twitter.com/1.1/blocks/create.json)

Blocks the specified user from following the authenticating user. In
	addition the blocked user will not show in the authenticating users
	mentions or timeline (unless retweeted by another user). If a follow or
	friend relationship exists it is destroyed. The URL pattern / version
	/block/create/:screen_name_or_user_id. format is still accepted but not
	recommended. As a sequence of numbers is a valid screen name we recommend
	using the screen_name or user_id parameter instead.

[Function] ids/json (https://api.twitter.com/1.1/blocks/ids.json)

Returns an array of numeric user ids the authenticating user is blocking.
	Important On October 15, 2012 this method will become cursored by default,
	altering the default response format. See /overview/api/cursoring Using
	cursors to navigate collections for more details on how cursoring works.

[Function] list/json (https://api.twitter.com/1.1/blocks/list.json)

Returns a collection of /overview/api/users user objects that the
	authenticating user is blocking. Important On October 15, 2012 this method
	will become cursored by default, altering the default response format. See
	/overview/api/cursoring Using cursors to navigate collections for more
	details on how cursoring works.

## [Module] net.twitter.saved-search

[Function] destroy/json (https://api.twitter.com/1.1/saved_searches/destroy/:id.json)

Destroys a saved search for the authenticating user. The authenticating
	user must be the owner of saved search id being destroyed.

[Function] create/json (https://api.twitter.com/1.1/saved_searches/create.json)

Create a new saved search for the authenticated user. A user may only have
	25 saved searches.

[Function] show/json (https://api.twitter.com/1.1/saved_searches/show/:id.json)

Retrieve the information for the saved search represented by the given id.
	The authenticating user must be the owner of saved search ID being
	requested.

[Function] list/json (https://api.twitter.com/1.1/saved_searches/list.json)

Returns the authenticated user's saved search queries.

## [Module] net.twitter.timeline

[Function] retweets-of-me/json (https://api.twitter.com/1.1/statuses/retweets_of_me.json)

Returns the most recent tweets authored by the authenticating user that
	have been retweeted by others. This timeline is a subset of the user's
	/rest/reference/get/statuses/user_timeline GET statuses / user_timeline .
	See /rest/public/timelines Working with Timelines for instructions on
	traversing timelines.

[Function] mentions-timeline/json (https://api.twitter.com/1.1/statuses/mentions_timeline.json)

Returns the 20 most recent mentions (tweets containing a users's
	@screen_name) for the authenticating user. The timeline returned is the
	equivalent of the one seen when you view http://twitter.com/mentions your
	mentions on twitter.com. This method can only return up to 800 tweets. See
	/rest/public/timelines Working with Timelines for instructions on
	traversing timelines.

[Function] user-timeline/json (https://api.twitter.com/1.1/statuses/user_timeline.json)

Returns a collection of the most recent /overview/api/tweets Tweets posted
	by the /overview/api/users user indicated by the screen_name or user_id
	parameters. User timelines belonging to protected users may only be
	requested when the authenticated user either "owns" the timeline or is an
	approved follower of the owner. The timeline returned is the equivalent of
	the one seen when you view a user's profile on http://twitter.com
	twitter.com . This method can only return up to 3,200 of a user's most
	recent Tweets. Native retweets of other statuses by the user is included
	in this total, regardless of whether include_rts is set to false when
	requesting this resource. See /rest/public/timelines Working with
	Timelines for instructions on traversing timelines. See
	/web/embedded-timelines Embeddable Timelines , /web/embedded-tweets
	Embeddable Tweets , and /rest/reference/get/statuses/oembed GET
	statuses/oembed for tools to render Tweets according to
	/overview/terms/display-requirements Display Requirements .

[Function] home-timeline/json (https://api.twitter.com/1.1/statuses/home_timeline.json)

Returns a collection of the most recent /overview/api/tweets Tweets and
	retweets posted by the authenticating user and the users they follow. The
	home timeline is central to how most users interact with the Twitter
	service. Up to 800 Tweets are obtainable on the home timeline. It is more
	volatile for users that follow many users or follow users who tweet
	frequently. See /rest/public/timelines Working with Timelines for
	instructions on traversing timelines efficiently.

## [Module] net.twitter.stream

All streaming api accepts PROC which accept a json object called each time 
stream object is arrived from Twitter server. PROC must handle error if you
don't want to disconnect from server everytime to meet client error.

All streaming api accepts RAISE-ERROR? and ERROR-HANDLER keyword which controls
reconnect behavior. ERROR-HANDLER is a  procedure which accept one error object
as argument. RAISE-ERROR? #t means raising error every time disconnect from server.
Otherwise twitter/stream.scm follow twitter reconnecting instructions.
https://dev.twitter.com/docs/streaming-apis/connecting#Reconnecting

## [Module] net.twitter.snowflake

https://github.com/twitter/snowflake
Convert utilities between Twitter status id and date/time.

# Credits

This module is based on the code brewed among several blogs.

By Saito Atsushi: http://d.hatena.ne.jp/SaitoAtsushi/20100429/1272545442

By tana-laevatein: http://d.hatena.ne.jp/tana-laevatein/20100505/1273025284

By sirocco634: http://d.hatena.ne.jp/sirocco634/20100605#1275743091

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