Mastodonplus.py/mastodon/Mastodon.py
2016-11-25 20:46:20 +01:00

464 líneas
16 KiB
Python

# coding: utf-8
import requests
import os
import os.path
import mimetypes
import time
import random
import string
class Mastodon:
"""
Super basic but thorough and easy to use mastodon.social
api wrapper in python.
If anything is unclear, check the official API docs at
https://github.com/Gargron/mastodon/wiki/API
Presently, only username-password login is supported, somebody please
patch in Real Proper OAuth if desired.
"""
__DEFAULT_BASE_URL = 'https://mastodon.social'
###
# Registering apps
###
@staticmethod
def create_app(client_name, scopes = ['read', 'write', 'follow'], redirect_uris = None, to_file = None, api_base_url = __DEFAULT_BASE_URL):
"""
Create a new app with given client_name and scopes (read, write, follow)
Specify redirect_uris if you want users to be redirected to a certain page after authenticating.
Specify to_file to persist your apps info to a file so you can use them in the constructor.
Specify api_base_url if you want to register an app on an instance different from the flagship one.
Returns client_id and client_secret.
"""
request_data = {
'client_name': client_name,
'scopes': " ".join(scopes)
}
if redirect_uris != None:
request_data['redirect_uris'] = redirect_uris;
else:
request_data['redirect_uris'] = 'urn:ietf:wg:oauth:2.0:oob';
response = requests.post(api_base_url + '/api/v1/apps', data = request_data).json()
if to_file != None:
with open(to_file, 'w') as secret_file:
secret_file.write(response['client_id'] + '\n')
secret_file.write(response['client_secret'] + '\n')
return (response['client_id'], response['client_secret'])
###
# Authentication, including constructor
###
def __init__(self, client_id, client_secret = None, access_token = None, api_base_url = __DEFAULT_BASE_URL, debug_requests = False):
"""
Create a new API wrapper instance based on the given client_secret and client_id. If you
give a client_id and it is not a file, you must also give a secret.
You can also directly specify an access_token, directly or as a file.
Specify api_base_url if you wish to talk to an instance other than the flagship one.
If a file is given as client_id, read client ID and secret from that file
"""
self.api_base_url = api_base_url
self.client_id = client_id
self.client_secret = client_secret
self.access_token = access_token
self.debug_requests = debug_requests
if os.path.isfile(self.client_id):
with open(self.client_id, 'r') as secret_file:
self.client_id = secret_file.readline().rstrip()
self.client_secret = secret_file.readline().rstrip()
else:
if self.client_secret == None:
raise ValueError('Specified client id directly, but did not supply secret')
if self.access_token != None and os.path.isfile(self.access_token):
with open(self.access_token, 'r') as token_file:
self.access_token = token_file.readline().rstrip()
def log_in(self, username, password, scopes = ['read', 'write', 'follow'], to_file = None):
"""
Log in and set access_token to what was returned.
Can persist access token to file.
Will throw an exception if username / password are wrong, scopes are not
valid or granted scopes differ from requested.
Returns the access_token, as well.
"""
params = self.__generate_params(locals())
params['client_id'] = self.client_id
params['client_secret'] = self.client_secret
params['grant_type'] = 'password'
params['scope'] = " ".join(scopes)
try:
response = self.__api_request('POST', '/oauth/token', params)
self.access_token = response['access_token']
except:
raise ValueError('Invalid user name, password or scopes.')
requested_scopes = " ".join(sorted(scopes))
received_scopes = " ".join(sorted(response["scope"].split(" ")))
if requested_scopes != received_scopes:
raise ValueError('Granted scopes "' + received_scopes + '" differ from requested scopes "' + requested_scopes + '".')
if to_file != None:
with open(to_file, 'w') as token_file:
token_file.write(response['access_token'] + '\n')
return response['access_token']
###
# Reading data: Timelines
##
def timeline(self, timeline = "home", max_id = None, since_id = None, limit = None):
"""
Fetch statuses, most recent ones first. Timeline can be home, mentions, public
or tag/hashtag. See the following functions documentation for what those do.
The default timeline is the "home" timeline.
Returns a list of toot dicts.
"""
params = self.__generate_params(locals(), ['timeline'])
return self.__api_request('GET', '/api/v1/timelines/' + timeline, params)
def timeline_home(self, max_id = None, since_id = None, limit = None):
"""
Fetch the authenticated users home timeline (i.e. followed users and self).
Returns a list of toot dicts.
"""
return self.timeline('home', max_id = max_id, since_id = since_id, limit = limit)
def timeline_mentions(self, max_id = None, since_id = None, limit = None):
"""
Fetches the authenticated users mentions.
Returns a list of toot dicts.
"""
return self.timeline('mentions', max_id = max_id, since_id = since_id, limit = limit)
def timeline_public(self, max_id = None, since_id = None, limit = None):
"""
Fetches the public / visible-network timeline.
Returns a list of toot dicts.
"""
return self.timeline('public', max_id = max_id, since_id = since_id, limit = limit)
def timeline_hashtag(self, hashtag, max_id = None, since_id = None, limit = None):
"""
Fetch a timeline of toots with a given hashtag.
Returns a list of toot dicts.
"""
return self.timeline('tag/' + str(hashtag), max_id = max_id, since_id = since_id, limit = limit)
###
# Reading data: Statuses
###
def status(self, id):
"""
Fetch information about a single toot.
Returns a toot dict.
"""
return self.__api_request('GET', '/api/v1/statuses/' + str(id))
def status_context(self, id):
"""
Fetch information about ancestors and descendants of a toot.
Returns a context dict.
"""
return self.__api_request('GET', '/api/v1/statuses/' + str(id) + '/context')
def status_reblogged_by(self, id):
"""
Fetch a list of users that have reblogged a status.
Returns a list of user dicts.
"""
return self.__api_request('GET', '/api/v1/statuses/' + str(id) + '/reblogged_by')
def status_favourited_by(self, id):
"""
Fetch a list of users that have favourited a status.
Returns a list of user dicts.
"""
return self.__api_request('GET', '/api/v1/statuses/' + str(id) + '/favourited_by')
###
# Reading data: Notifications
###
def notifications(self):
"""
Fetch notifications (mentions, favourites, reblogs, follows) for the authenticated
user.
Returns a list of notification dicts.
"""
return self.__api_request('GET', '/api/v1/notifications')
###
# Reading data: Accounts
###
def account(self, id):
"""
Fetch account information by user id.
Returns a user dict.
"""
return self.__api_request('GET', '/api/v1/accounts/' + str(id))
def account_verify_credentials(self):
"""
Fetch authenticated user's account information.
Returns a user dict.
"""
return self.__api_request('GET', '/api/v1/accounts/verify_credentials')
def account_statuses(self, id, max_id = None, since_id = None, limit = None):
"""
Fetch statuses by user id. Same options as timeline are permitted.
Returns a list of toot dicts.
"""
params = self.__generate_params(locals(), ['id'])
return self.__api_request('GET', '/api/v1/accounts/' + str(id) + '/statuses', params)
def account_following(self, id):
"""
Fetch users the given user is following.
Returns a list of user dicts.
"""
return self.__api_request('GET', '/api/v1/accounts/' + str(id) + '/following')
def account_followers(self, id):
"""
Fetch users the given user is followed by.
Returns a list of user dicts.
"""
return self.__api_request('GET', '/api/v1/accounts/' + str(id) + '/followers')
def account_relationships(self, id):
"""
Fetch relationships (following, followed_by, blocking) of the logged in user to
a given account. id can be a list.
Returns a list of relationship dicts.
"""
params = self.__generate_params(locals())
return self.__api_request('GET', '/api/v1/accounts/relationships', params)
def account_search(self, q, limit = None):
"""
Fetch matching accounts. Will lookup an account remotely if the search term is
in the username@domain format and not yet in the database.
Returns a list of user dicts.
"""
params = self.__generate_params(locals())
return self.__api_request('GET', '/api/v1/accounts/search', params)
###
# Writing data: Statuses
###
def status_post(self, status, in_reply_to_id = None, media_ids = None):
"""
Post a status. Can optionally be in reply to another status and contain
up to four pieces of media (Uploaded via media_post()).
Returns a toot dict with the new status.
"""
params = self.__generate_params(locals())
return self.__api_request('POST', '/api/v1/statuses', params)
def toot(self, status):
"""
Synonym for status_post that only takes the status text as input.
Returns a toot dict with the new status.
"""
return self.status_post(status)
def status_delete(self, id):
"""
Delete a status
Returns an empty dict for good measure.
"""
return self.__api_request('DELETE', '/api/v1/statuses/' + str(id))
def status_reblog(self, id):
"""Reblog a status.
Returns a toot with with a new status that wraps around the reblogged one.
"""
return self.__api_request('POST', '/api/v1/statuses/' + str(id) + "/reblog")
def status_unreblog(self, id):
"""
Un-reblog a status.
Returns a toot dict with the status that used to be reblogged.
"""
return self.__api_request('POST', '/api/v1/statuses/' + str(id) + "/unreblog")
def status_favourite(self, id):
"""
Favourite a status.
Returns a toot dict with the favourited status.
"""
return self.__api_request('POST', '/api/v1/statuses/' + str(id) + "/favourite")
def status_unfavourite(self, id):
"""Favourite a status.
Returns a toot dict with the un-favourited status.
"""
return self.__api_request('POST', '/api/v1/statuses/' + str(id) + "/unfavourite")
###
# Writing data: Accounts
###
def account_follow(self, id):
"""
Follow a user.
Returns a relationship dict containing the updated relationship to the user.
"""
return self.__api_request('POST', '/api/v1/accounts/' + str(id) + "/follow")
def account_unfollow(self, id):
"""
Unfollow a user.
Returns a relationship dict containing the updated relationship to the user.
"""
return self.__api_request('POST', '/api/v1/accounts/' + str(id) + "/unfollow")
def account_block(self, id):
"""
Block a user.
Returns a relationship dict containing the updated relationship to the user.
"""
return self.__api_request('POST', '/api/v1/accounts/' + str(id) + "/block")
def account_unblock(self, id):
"""
Unblock a user.
Returns a relationship dict containing the updated relationship to the user.
"""
return self.__api_request('POST', '/api/v1/accounts/' + str(id) + "/unblock")
###
# Writing data: Media
###
def media_post(self, media_file, mime_type = None):
"""
Post an image. media_file can either be image data or
a file name. If image data is passed directly, the mime
type has to be specified manually, otherwise, it is
determined from the file name.
Throws a ValueError if the mime type of the passed data or file can
not be determined properly.
Returns a media dict. This contains the id that can be used in
status_post to attach the media file to a toot.
"""
if os.path.isfile(media_file) and mime_type == None:
mime_type = mimetypes.guess_type(media_file)[0]
media_file = open(media_file, 'rb')
if mime_type == None:
raise ValueError('Could not determine mime type or data passed directly without mime type.')
random_suffix = ''.join(random.choice(string.ascii_uppercase + string.digits) for _ in range(10))
file_name = "mastodonpyupload_" + str(time.time()) + "_" + str(random_suffix) + mimetypes.guess_extension(mime_type)
media_file_description = (file_name, media_file, mime_type)
return self.__api_request('POST', '/api/v1/media', files = {'file': media_file_description})
###
# Internal helpers, dragons probably
###
def __api_request(self, method, endpoint, params = {}, files = {}):
"""
Internal API request helper.
"""
response = None
headers = None
if self.access_token != None:
headers = {'Authorization': 'Bearer ' + self.access_token}
if self.debug_requests == True:
print('Mastodon: Request to endpoint "' + endpoint + '" using method "' + method + '".')
print('Parameters: ' + str(params))
print('Headers: ' + str(headers))
print('Files: ' + str(files))
if method == 'GET':
response = requests.get(self.api_base_url + endpoint, data = params, headers = headers, files = files)
if method == 'POST':
response = requests.post(self.api_base_url + endpoint, data = params, headers = headers, files = files)
if method == 'DELETE':
response = requests.delete(self.api_base_url + endpoint, data = params, headers = headers, files = files)
if response.status_code == 404:
raise IOError('Endpoint not found.')
if response.status_code == 500:
raise IOError('General API problem.')
try:
response = response.json()
except:
raise ValueError("Could not parse response as JSON, respose code was " + str(response.status_code))
return response
def __generate_params(self, params, exclude = []):
"""
Internal named-parameters-to-dict helper.
"""
params = dict(params)
del params['self']
param_keys = list(params.keys())
for key in param_keys:
if params[key] == None or key in exclude:
del params[key]
param_keys = list(params.keys())
for key in param_keys:
if isinstance(params[key], list):
params[key + "[]"] = params[key]
del params[key]
return params