feat: manage venv for all backends

1 files changed, 27 insertions, 14 deletions

diff --git a/backends/qwen.py b/backends/qwen.py
index 60f3bb6..52f7a3f 100644
--- a/backends/qwen.py
+++ b/backends/qwen.py
@@ -14,18 +14,22 @@ Usage:
 """
 
 import argparse
-import importlib.util
-import shutil
 import sys
 from pathlib import Path
 from typing import List, Optional
 
 sys.path.insert(0, str(Path(__file__).resolve().parent.parent))
 
-from ui import tui
-from backends import BackendStatus, ConfigureAction
-from backends import common
+from backends import (
+    BackendStatus,
+    ConfigureAction,
+    ServerSpec,
+    common,
+    envs,
+    format_launch_hint,
+)
 from converter import config
+from ui import tui
 
 QWEN_PIP_PKG = "qwen-tts"
 QWEN_CUSTOMVOICE_MODEL = "Qwen/Qwen3-TTS-12Hz-1.7B-CustomVoice"
@@ -39,9 +43,9 @@ QWEN_SPEAKERS = ("Vivian", "Serena", "Uncle_Fu", "Dylan", "Eric", "Ryan",
 
 
 def _is_installed() -> bool:
-    if shutil.which("qwen-tts-demo"):
+    if envs.env_script("qwen-tts-demo").is_file():
         return True
-    return importlib.util.find_spec("qwen_tts") is not None
+    return envs.module_available("qwen_tts")
 
 
 def _config_port(url: str, fallback: int) -> int:
@@ -144,11 +148,13 @@ def _execute(settings: dict) -> int:
 
 
 def _print_launch_hint(custom_port: int, clone_port: int) -> None:
+    demo = envs.env_script("qwen-tts-demo")
     print()
-    print("Start the servers (in separate terminals):")
-    print(f"  qwen-tts-demo {QWEN_CUSTOMVOICE_MODEL} --ip 127.0.0.1 "
+    print("Start the servers (in separate terminals), or use the hub's")
+    print("'Server' menu / let a conversion start one automatically:")
+    print(f"  {demo} {QWEN_CUSTOMVOICE_MODEL} --ip 127.0.0.1 "
           f"--port {custom_port}")
-    print(f"  qwen-tts-demo {QWEN_BASE_MODEL} --ip 127.0.0.1 "
+    print(f"  {demo} {QWEN_BASE_MODEL} --ip 127.0.0.1 "
           f"--port {clone_port}")
     print("Then run: python audiobook.py --backend qwen")
 
@@ -219,13 +225,20 @@ def detect() -> BackendStatus:
     details.append(f"CustomVoice port: {custom_port}")
     details.append(f"Base (clone) port: {clone_port}")
     details.append(f"speaker: {config.SPEAKER}")
-    launch = (f"qwen-tts-demo {QWEN_CUSTOMVOICE_MODEL} --ip 127.0.0.1 "
-              f"--port {custom_port} ; qwen-tts-demo {QWEN_BASE_MODEL} "
-              f"--ip 127.0.0.1 --port {clone_port}")
+    demo = str(envs.env_script("qwen-tts-demo"))
+    servers = [
+        ServerSpec("qwen-custom", config.QWEN_API_URL,
+                   [demo, QWEN_CUSTOMVOICE_MODEL, "--ip", "127.0.0.1",
+                    "--port", str(custom_port)]),
+        ServerSpec("qwen-clone", config.CLONE_API_URL,
+                   [demo, QWEN_BASE_MODEL, "--ip", "127.0.0.1",
+                    "--port", str(clone_port)]),
+    ]
     return BackendStatus("qwen", "qwen-tts",
                          installed=installed, configured=installed,
                          running=running, details=details,
-                         launch_hint=launch)
+                         launch_hint=format_launch_hint(servers),
+                         servers=servers)
 
 
 configure_actions: List[ConfigureAction] = [