272 líneas
8,5 KiB
Python
272 líneas
8,5 KiB
Python
import os
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import sys
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import requests
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from requests.models import urlencode
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import pdb
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###
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# Dict helper class.
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# Defined at top level so it can be pickled.
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###
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class AttribAccessDict(dict):
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def __getattr__(self, attr):
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if attr in self:
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return self[attr]
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else:
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raise AttributeError("Attribute not found: " + str(attr))
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def __setattr__(self, attr, val):
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if attr in self:
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raise AttributeError("Attribute-style access is read only")
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super(AttribAccessDict, self).__setattr__(attr, val)
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class Pixelfed:
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name = 'Pixelfed API wrapper'
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def __init__(self, api_base_url=None, access_token=None, pixelfed_path=None, session=None):
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self.__pixelfed_config_path = "config/pixelfed.txt"
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is_setup = self.__check_setup(self)
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if is_setup:
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self.api_base_url = self.__get_parameter("api_base_url", self.__pixelfed_config_path)
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self.access_token = self.__get_parameter("access_token", self.__pixelfed_config_path)
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self.pixelfed_path = self.__get_parameter("pixelfed_path", self.__pixelfed_config_path)
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else:
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self.api_base_url, self.access_token, self.pixelfed_path = self.__setup(self)
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if session:
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self.session = session
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else:
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self.session = requests.Session()
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def email_verification(self, email, username):
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data = {'email':email,
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'username':username
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}
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ut = self.access_token
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rt = self.access_token
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endpoint = self.api_base_url + '/api/v1.1/auth/iarer?ut={0}&rt={1}'.format(ut, rt)
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response = self.__api_request('GET', endpoint, data)
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registered = response.ok
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response = self.__json_allow_dict_attrs(response.json())
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return (registered, response)
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def verify_credentials(self):
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endpoint = self.api_base_url + '/api/v1/accounts/verify_credentials'
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response = self.__api_request('GET', endpoint)
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response = self.__json_allow_dict_attrs(response.json())
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return response
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def pre_flight_check(self):
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endpoint = self.api_base_url + '/api/v1.1/auth/iarpfc'
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response = self.__api_request('GET', endpoint)
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registered = response.ok
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response = self.__json_allow_dict_attrs(response.json())
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return (registered, response)
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def in_app_registration(self, email, username, passwd):
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data = {'email':email,
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'username':username,
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'password':passwd
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}
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endpoint = self.api_base_url + '/api/v1.1/auth/iar'
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response = self.__api_request('POST', endpoint, data)
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registered = response.ok
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response = self.__json_allow_dict_attrs(response.json())
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return (registered, response)
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@staticmethod
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def __check_setup(self):
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is_setup = False
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if not os.path.isfile(self.__pixelfed_config_path):
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print(f"File {self.__pixelfed_config_path} not found, running setup.")
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else:
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is_setup = True
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return is_setup
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@staticmethod
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def __setup(self):
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if not os.path.exists('config'):
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os.makedirs('config')
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self.api_base_url = input("Pixelfed API base url, in ex. 'https://yourpixelfed.instance': ")
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self.access_token = input("Pixelfed access token: ")
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self.pixelfed_path = input("Pixelfed root dir: ")
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if not os.path.exists(self.__pixelfed_config_path):
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with open(self.__pixelfed_config_path, 'w'): pass
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print(f"{self.__pixelfed_config_path} created!")
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with open(self.__pixelfed_config_path, 'a') as the_file:
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print("Writing pixelfed parameters to " + self.__pixelfed_config_path)
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the_file.write(f'api_base_url: {self.api_base_url}\n'+f'access_token: {self.access_token}\n'+f'pixelfed_path: {self.pixelfed_path}\n')
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return (self.api_base_url, self.access_token, self.pixelfed_path)
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@staticmethod
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def __get_parameter(parameter, file_path ):
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with open( file_path ) as f:
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for line in f:
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if line.startswith( parameter ):
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return line.replace(parameter + ":", "").strip()
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print(f'{file_path} Missing parameter {parameter}')
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sys.exit(0)
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def __api_request(self, method, endpoint, data={}):
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headers = {
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'Authorization': f"Bearer {self.access_token}",
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'Accept': 'application/json',
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}
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response = None
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try:
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kwargs = dict(data=data)
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response = self.session.request(method, url = endpoint, headers = headers ,**kwargs)
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except Exception as e:
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raise PixelfedNetworkError(f"Could not complete request: {e}")
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if response is None:
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raise PixelfedIllegalArgumentError("Illegal request.")
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if not response.ok:
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try:
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if isinstance(response, dict) and 'error' in response:
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error_msg = response['error']
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elif isinstance(response, str):
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error_msg = response
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else:
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error_msg = None
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except ValueError:
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error_msg = None
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if response.status_code == 404:
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ex_type = PixelfedNotFoundError
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if not error_msg:
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error_msg = 'Endpoint not found.'
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# this is for compatibility with older versions
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# which raised PixelfedAPIError('Endpoint not found.')
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# on any 404
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elif response.status_code == 401:
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ex_type = PixelfedUnauthorizedError
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elif response.status_code == 422:
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return response
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elif response.status_code == 500:
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ex_type = PixelfedInternalServerError
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elif response.status_code == 502:
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ex_type = PixelfedBadGatewayError
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elif response.status_code == 503:
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ex_type = PixelfedServiceUnavailableError
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elif response.status_code == 504:
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ex_type = PixelfedGatewayTimeoutError
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elif response.status_code >= 500 and \
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response.status_code <= 511:
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ex_type = PixelfedServerError
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else:
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ex_type = PixelfedAPIError
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raise ex_type(
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'Pixelfed API returned error',
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response.status_code,
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response.reason,
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error_msg)
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else:
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return response
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@staticmethod
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def __json_allow_dict_attrs(json_object):
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"""
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Makes it possible to use attribute notation to access a dicts
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elements, while still allowing the dict to act as a dict.
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"""
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if isinstance(json_object, dict):
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return AttribAccessDict(json_object)
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return json_objecte
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##
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# Exceptions
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##
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class PixelfedError(Exception):
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"""Base class for Pixelfed.py exceptions"""
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class PixelfedIOError(IOError, PixelfedError):
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"""Base class for Pixelfed.py I/O errors"""
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class PixelfedNetworkError(PixelfedIOError):
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"""Raised when network communication with the server fails"""
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pass
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class PixelfedAPIError(PixelfedError):
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"""Raised when the pixelfed API generates a response that cannot be handled"""
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pass
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class PixelfedServerError(PixelfedAPIError):
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"""Raised if the Server is malconfigured and returns a 5xx error code"""
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pass
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class PixelfedInternalServerError(PixelfedServerError):
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"""Raised if the Server returns a 500 error"""
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pass
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class PixelfedBadGatewayError(PixelfedServerError):
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"""Raised if the Server returns a 502 error"""
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pass
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class PixelfedServiceUnavailableError(PixelfedServerError):
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"""Raised if the Server returns a 503 error"""
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pass
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class PixelfedGatewayTimeoutError(PixelfedServerError):
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"""Raised if the Server returns a 504 error"""
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pass
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class PixelfedNotFoundError(PixelfedAPIError):
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"""Raised when the pixelfed API returns a 404 Not Found error"""
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pass
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class PixelfedUnauthorizedError(PixelfedAPIError):
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"""Raised when the pixelfed API returns a 401 Unauthorized error
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This happens when an OAuth token is invalid or has been revoked,
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or when trying to access an endpoint that can't be used without
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authentication without providing credentials."""
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pass
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