feat: load_model_with_progress mit tkinter-Fortschrittsdialog
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@@ -32,3 +32,99 @@ class TkProgressTqdm(tqdm_module.tqdm):
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"total": self.total or 0,
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"total": self.total or 0,
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})
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})
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return result
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return result
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def load_model_with_progress(
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model_name: str,
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compute_type: str,
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download_root: str | None,
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) -> Any:
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"""Lädt WhisperModel — zeigt bei Bedarf einen Download-Fortschrittsdialog.
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Wenn das Modell bereits gecacht ist (kein tqdm-Update kommt), erscheint
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kein Dialog. Auf Download-Fehler wird ein Fehlerdialog gezeigt und sys.exit(1)
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aufgerufen.
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"""
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import tkinter as tk
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from tkinter import messagebox, ttk
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from faster_whisper import WhisperModel
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from whisper_local.tray._theme import apply_system_theme
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q: queue.Queue[dict[str, Any] | None] = queue.Queue()
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result: list[WhisperModel | None] = [None]
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error: list[BaseException | None] = [None]
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original_tqdm = tqdm_module.tqdm
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def worker() -> None:
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TkProgressTqdm._queue = q
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tqdm_module.tqdm = TkProgressTqdm
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try:
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result[0] = WhisperModel(
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model_name,
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compute_type=compute_type,
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download_root=download_root,
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)
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except Exception as exc:
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error[0] = exc
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finally:
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tqdm_module.tqdm = original_tqdm
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TkProgressTqdm._queue = None
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q.put(None) # Sentinel: signalisiert Fertigstellung
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thread = threading.Thread(target=worker, daemon=True)
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thread.start()
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# --- tkinter-Dialog (lazy: erscheint nur bei echtem Download) ---
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root = tk.Tk()
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root.withdraw() # zunächst versteckt
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root.title("whisper-local – Modell wird geladen")
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root.resizable(False, False)
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apply_system_theme(root)
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frame = ttk.Frame(root, padding=16)
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frame.pack(fill=tk.BOTH, expand=True)
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ttk.Label(frame, text=f"Lade Whisper-Modell '{model_name}'...").pack(anchor=tk.W)
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file_var = tk.StringVar(value="")
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ttk.Label(frame, textvariable=file_var, foreground="gray").pack(anchor=tk.W, pady=(4, 8))
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progress_var = tk.DoubleVar(value=0.0)
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ttk.Progressbar(
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frame, variable=progress_var, maximum=100, length=320, mode="determinate"
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).pack(fill=tk.X)
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pct_var = tk.StringVar(value="0 %")
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ttk.Label(frame, textvariable=pct_var).pack(anchor=tk.E, pady=(2, 0))
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def poll() -> None:
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try:
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while True:
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msg = q.get_nowait()
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if msg is None: # Sentinel → fertig
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root.quit()
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return
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# Erste echte Meldung → Dialog anzeigen
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if not root.winfo_viewable():
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root.deiconify()
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# UI aktualisieren
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file_var.set(msg["file"])
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if msg["total"] > 0:
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pct = 100.0 * msg["n"] / msg["total"]
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progress_var.set(pct)
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pct_var.set(f"{pct:.0f} %")
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except queue.Empty:
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pass
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root.after(50, poll)
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root.after(50, poll)
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root.mainloop()
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root.destroy()
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if error[0] is not None:
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messagebox.showerror("Fehler beim Modell-Download", str(error[0]))
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sys.exit(1)
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return result[0]
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