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