1 files changed, 11 insertions, 0 deletions
diff --git a/audiobook.py b/audiobook.py
index 174d8b4..792b274 100755
--- a/audiobook.py
+++ b/audiobook.py
@@ -20,6 +20,13 @@ if sys.platform == "win32":
     except AttributeError:
         pass
 
+# The managed-environment bootstrap (backends.envs) is stdlib-only and is
+# imported here so main() can launch it before any third-party dependency is
+# touched. It must NOT run at import time (importing this module must stay
+# light so the TUI hub and the tests can import it from any environment); it
+# runs only when audiobook.py is executed as a script, from main() below.
+from backends import envs as _envs  # noqa: I001
+
 from converter import config
 from converter.converter import (
     AUDIO_FORMATS,
@@ -100,6 +107,10 @@ def convert(backend: str = None, voice: str = None, clone: str = None,
 
 def main() -> None:
     """Entry point: TUI hub with no args in a terminal, else argparse CLI."""
+    # Run inside the managed venv (envs/tts), creating it (and installing
+    # requirements.txt) first if needed. A no-op when already there. Done
+    # here rather than at import time so importing this module is light.
+    _envs.bootstrap(__file__)
     # No arguments + interactive terminal -> the TUI hub (set up backends
     # and process the input directory end-to-end). Anything else is the
     # scriptable argparse CLI.