Playtube: eigenstaendiger YouTube/YouTube-Music-Player mit Discord RPC und Auto-Update
- PySide6/QtWebEngine mit persistentem Login-Profil (YouTube + YouTube Music Tabs) - Google-Login-Fix per Sec-CH-UA-Headern + Chrome-JS-Shim - Discord Rich Presence (eigener Thread, Titel/Fortschritt/Buttons) - Eigenes Branding (Taskmanager/Taskleiste) per AppUserModelID + PyInstaller-Packaging - Auto-Update ueber GitHub Releases (fojadrachi/Playtube) Co-Authored-By: Claude Sonnet 5 <[email protected]>
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Claude Sonnet 5
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"""Eingebetteter Browser-Tab fuer YouTube bzw. YouTube Music, mit persistentem Login-
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Profil (eigener Datenordner, kein System-Browser-Profil) und periodischem Auslesen
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der aktuellen Wiedergabe fuer Discord Rich Presence."""
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from __future__ import annotations
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from PySide6.QtCore import QTimer, Signal, QUrl
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from PySide6.QtWebEngineCore import (
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QWebEnginePage,
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QWebEngineProfile,
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QWebEngineScript,
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QWebEngineSettings,
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QWebEngineUrlRequestInterceptor,
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)
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from PySide6.QtWebEngineWidgets import QWebEngineView
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from .chrome_shim import CHROME_FULL, CHROME_MAJOR, CHROME_SHIM_JS
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from .config import profile_dir
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from .media_probe import MEDIA_PROBE_JS, NEXT_TRACK_JS, PREV_TRACK_JS, TOGGLE_PLAYBACK_JS
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# Chrome-Versionsnummer, die exakt zur tatsaechlich in QtWebEngine eingebetteten
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# Chromium-Version passt (siehe QWebEngineCore.qWebEngineChromiumVersion()). Legacy-
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# User-Agent, die "Sec-CH-UA" Client-Hints (Header) UND navigator.userAgentData (JS,
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# siehe chrome_shim.py) muessen konsistent dieselbe Version + Marke ("Google Chrome")
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# melden - sonst erkennt Google-Login den Browser als nicht vertrauenswuerdiges
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# Embedded-WebView und blockiert die Anmeldung mit "Dieser Browser oder diese App ist
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# unter Umstaenden nicht sicher".
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_CHROME_VERSION = CHROME_FULL
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_CHROME_MAJOR = CHROME_MAJOR
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_USER_AGENT = (
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"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 "
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f"(KHTML, like Gecko) Chrome/{_CHROME_VERSION} Safari/537.36"
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)
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_SEC_CH_UA = (
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f'"Not(A:Brand";v="99", "Google Chrome";v="{_CHROME_MAJOR}", '
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f'"Chromium";v="{_CHROME_MAJOR}"'
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).encode("ascii")
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_SEC_CH_UA_FULL_VERSION_LIST = (
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f'"Not(A:Brand";v="99.0.0.0", "Google Chrome";v="{_CHROME_VERSION}", '
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f'"Chromium";v="{_CHROME_VERSION}"'
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).encode("ascii")
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class _ChromeBrandingInterceptor(QWebEngineUrlRequestInterceptor):
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"""Ergaenzt/korrigiert die Sec-CH-UA Client-Hint-Header auf jeder Anfrage, damit
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sie zum gesetzten User-Agent passen (echtes QtWebEngine meldet dort normalerweise
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nur "Chromium", ohne die Marke "Google Chrome" - genau daran erkennt Googles
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Login-Seite ein Embedded-WebView und blockiert die Anmeldung)."""
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def interceptRequest(self, info) -> None: # noqa: N802 (Qt-Override)
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info.setHttpHeader(b"sec-ch-ua", _SEC_CH_UA)
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info.setHttpHeader(b"sec-ch-ua-full-version-list", _SEC_CH_UA_FULL_VERSION_LIST)
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info.setHttpHeader(b"sec-ch-ua-mobile", b"?0")
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info.setHttpHeader(b"sec-ch-ua-platform", b'"Windows"')
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info.setHttpHeader(b"sec-ch-ua-platform-version", b'"15.0.0"')
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_shared_profile: QWebEngineProfile | None = None
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_shared_interceptor: _ChromeBrandingInterceptor | None = None
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def get_shared_profile() -> QWebEngineProfile:
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"""Ein gemeinsames, persistentes Profil fuer alle Tabs, damit ein einmaliges
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Google-Login fuer YouTube und YouTube Music gleichermassen gilt."""
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global _shared_profile, _shared_interceptor
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if _shared_profile is None:
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_shared_profile = QWebEngineProfile("playtube-profile")
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_shared_profile.setPersistentStoragePath(str(profile_dir() / "storage"))
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_shared_profile.setCachePath(str(profile_dir() / "cache"))
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_shared_profile.setPersistentCookiesPolicy(
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QWebEngineProfile.PersistentCookiesPolicy.ForcePersistentCookies
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)
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_shared_profile.setHttpUserAgent(_USER_AGENT)
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_shared_profile.setHttpAcceptLanguage("de-DE,de;q=0.9,en-US;q=0.8,en;q=0.7")
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# Referenz muss gehalten werden, sonst sammelt Python das Objekt vorzeitig ein.
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_shared_interceptor = _ChromeBrandingInterceptor()
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_shared_profile.setUrlRequestInterceptor(_shared_interceptor)
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# JS-seitiger "Chrome-Shim" (window.chrome, navigator.userAgentData, Plugins) -
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# muss vor jedem Seiten-JS laufen, daher DocumentCreation + MainWorld.
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shim_script = QWebEngineScript()
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shim_script.setName("playtube-chrome-shim")
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shim_script.setInjectionPoint(QWebEngineScript.InjectionPoint.DocumentCreation)
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shim_script.setWorldId(QWebEngineScript.ScriptWorldId.MainWorld)
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shim_script.setRunsOnSubFrames(True)
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shim_script.setSourceCode(CHROME_SHIM_JS)
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_shared_profile.scripts().insert(shim_script)
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return _shared_profile
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class BrowserTab(QWebEngineView):
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"""Ein WebEngine-Tab mit Medien-Ueberwachung fuer Discord Rich Presence."""
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mediaInfoChanged = Signal(dict)
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titleUpdated = Signal(str)
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def __init__(self, home_url: str, parent=None):
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super().__init__(parent)
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self._home_url = home_url
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page = QWebEnginePage(get_shared_profile(), self)
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self.setPage(page)
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settings = page.settings()
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settings.setAttribute(QWebEngineSettings.WebAttribute.JavascriptEnabled, True)
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settings.setAttribute(QWebEngineSettings.WebAttribute.PlaybackRequiresUserGesture, False)
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settings.setAttribute(QWebEngineSettings.WebAttribute.FullScreenSupportEnabled, True)
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settings.setAttribute(QWebEngineSettings.WebAttribute.LocalStorageEnabled, True)
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settings.setAttribute(QWebEngineSettings.WebAttribute.ScreenCaptureEnabled, True)
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settings.setAttribute(QWebEngineSettings.WebAttribute.JavascriptCanOpenWindows, True)
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page.fullScreenRequested.connect(self._on_full_screen_requested)
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self.load(QUrl(home_url))
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self._poll_timer = QTimer(self)
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self._poll_timer.setInterval(2000)
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self._poll_timer.timeout.connect(self._poll_media_state)
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self._poll_timer.start()
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self.titleChanged.connect(self.titleUpdated.emit)
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def go_home(self) -> None:
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self.load(QUrl(self._home_url))
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def toggle_playback(self) -> None:
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self.page().runJavaScript(TOGGLE_PLAYBACK_JS)
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def next_track(self) -> None:
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self.page().runJavaScript(NEXT_TRACK_JS)
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def previous_track(self) -> None:
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self.page().runJavaScript(PREV_TRACK_JS)
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def _on_full_screen_requested(self, request) -> None:
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# Erlaubt echtes Fullscreen-Video (z.B. per YouTube-Fullscreen-Button).
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request.accept()
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window = self.window()
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if request.toggleOn():
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window.showFullScreen()
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else:
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window.showNormal()
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def _poll_media_state(self) -> None:
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self.page().runJavaScript(MEDIA_PROBE_JS, self._on_media_probe_result)
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def _on_media_probe_result(self, result) -> None:
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if isinstance(result, dict):
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self.mediaInfoChanged.emit(result)
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