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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
from __future__ import annotations
import functools
from PySide6.QtCore import QJsonDocument, QObject, QUrl, Signal, Slot
from PySide6.QtGui import QDesktopServices
from PySide6.QtNetwork import QNetworkReply
from PySide6.QtNetworkAuth import (QAbstractOAuth,
QOAuth2AuthorizationCodeFlow,
QOAuthHttpServerReplyHandler)
AUTHORIZATION_URL = "https://www.reddit.com/api/v1/authorize"
ACCESSTOKEN_URL = "https://www.reddit.com/api/v1/access_token"
NEW_URL = "https://oauth.reddit.com/new"
HOT_URL = "https://oauth.reddit.com/hot"
LIVE_THREADS_URL = "https://oauth.reddit.com/live/XXXX/about.json"
class RedditWrapper(QObject):
authenticated = Signal()
subscribed = Signal(QUrl)
def __init__(self, clientIdentifier, parent=None):
super().__init__(parent)
self._oauth2 = QOAuth2AuthorizationCodeFlow()
self._oauth2.setClientIdentifier(clientIdentifier)
self._reply_handler = QOAuthHttpServerReplyHandler(1337, self)
self._oauth2.setReplyHandler(self._reply_handler)
self._oauth2.setAuthorizationUrl(QUrl(AUTHORIZATION_URL))
self._oauth2.setAccessTokenUrl(QUrl(ACCESSTOKEN_URL))
self._oauth2.setScope("identity read")
self._permanent = True
# connect to slots
self._oauth2.statusChanged.connect(self.status_changed)
self._oauth2.authorizeWithBrowser.connect(QDesktopServices.openUrl)
def modify_parameters_function(stage, parameters):
if stage == QAbstractOAuth.Stage.RequestingAuthorization and self.permanent:
parameters["duration"] = "permanent"
return parameters
self._oauth2.setModifyParametersFunction(modify_parameters_function)
@Slot()
def status_changed(self, status):
if status == QAbstractOAuth.Status.Granted:
self.authenticated.emit()
def request_hot_threads(self):
print("Getting hot threads...")
return self._oauth2.get(QUrl(HOT_URL))
@property
def permanent(self):
return self._permanent
@permanent.setter
def permanent(self, value: bool):
self._permanent = value
def grant(self):
self._oauth2.grant()
@Slot(QNetworkReply)
def reply_finished(self, reply):
print('RedditWrapper.reply_finished()', reply.error())
reply.deleteLater()
if reply.error() != QNetworkReply.NoError:
error = reply.errorString()
print(f"Reddit error: {error}")
return
json = reply.readAll()
document = QJsonDocument.fromJson(json)
assert document.isObject()
root_object = document.object()
data_object = root_object["data"]
websocketUrl = QUrl(data_object["websocket_url"])
self.subscribed.emit(websocketUrl)
def subscribe_to_live_updates(self):
print("Susbscribing...")
reply = self._oauth2.get(QUrl(LIVE_THREADS_URL))
reply.finished.connect(functools.partial(self.reply_finished,
reply=reply))
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