Make some configs unchangeble

Some fOr technical reasons (compatibility between the the
webrtcvad packages), some because they don't affect user experience or
can be unclear to some users (e.g., speech_likelihood_threshold).

pyrobbot/app/multipage.py

@@ -769,16 +769,19 @@ def _set_page(page):
     def _handle_chat_configs_value_selection(self, current_chat_configs, model_fields):
         updates_to_chat_configs = {}
         for field_name, field in model_fields.items():
+            extra_info = field.json_schema_extra or {}
+
+            # Skip fields that are not allowed to be changed
+            if not extra_info.get("changeable", True):
+                continue
+
             title = field_name.replace("_", " ").title()
             choices = VoiceChatConfigs.get_allowed_values(field=field_name)
             description = VoiceChatConfigs.get_description(field=field_name)
             field_type = VoiceChatConfigs.get_type(field=field_name)
 
             # Check if the field is frozen and disable corresponding UI element if so
             chat_started = self.selected_page.state.get("chat_started", False)
-            extra_info = field.json_schema_extra
-            if extra_info is None:
-                extra_info = {}
             disable_ui_element = extra_info.get("frozen", False) and (
                 chat_started
                 or any(msg["role"] == "user" for msg in self.selected_page.chat_history)

pyrobbot/argparse_wrapper.py

@@ -1,8 +1,11 @@
 #!/usr/bin/env python3
 """Wrappers for argparse functionality."""
 import argparse
+import contextlib
 import sys
 
+from pydantic import BaseModel
+
 from . import GeneralDefinitions
 from .chat_configs import ChatOptions, VoiceChatConfigs
 from .command_definitions import (
@@ -13,14 +16,19 @@
 )
 
 
-def _populate_parser_from_pydantic_model(parser, model):
+def _populate_parser_from_pydantic_model(parser, model: BaseModel):
     _argarse2pydantic = {
         "type": model.get_type,
         "default": model.get_default,
         "choices": model.get_allowed_values,
         "help": model.get_description,
     }
+
     for field_name, field in model.model_fields.items():
+        with contextlib.suppress(AttributeError):
+            if not field.json_schema_extra.get("changeable", True):
+                continue
+
         args_opts = {
             key: _argarse2pydantic[key](field_name)
             for key in _argarse2pydantic

pyrobbot/chat_configs.py

@@ -179,17 +179,20 @@ class VoiceAssistantConfigs(BaseConfigModel):
     exit_expressions: list[str] = Field(
         default=["bye-bye", "ok bye-bye", "okay bye-bye"],
         description="Expression(s) to use in order to exit the chat",
+        json_schema_extra={"changeable": False},
     )
 
     cancel_expressions: list[str] = Field(
         default=["ok", "okay", "cancel", "stop", "listen"],
         description="Word(s) to use in order to cancel the current reply",
+        json_schema_extra={"changeable": False},
     )
 
     min_speech_duration_seconds: float = Field(
         default=0.1,
         gt=0,
         description="Minimum duration of speech (in seconds) for the assistant to listen",
+        json_schema_extra={"changeable": False},
     )
     inactivity_timeout_seconds: int = Field(
         default=1,
@@ -202,14 +205,19 @@ class VoiceAssistantConfigs(BaseConfigModel):
         ge=0.0,
         le=1.0,
         description="Accept audio as speech if the likelihood is above this threshold",
+        json_schema_extra={"changeable": False},
     )
     # sample_rate and frame_duration have to be consistent with the values uaccepted by
     # the webrtcvad package
     sample_rate: Literal[8000, 16000, 32000, 48000] = Field(
-        default=48000, description="Sample rate for audio recording, in Hz."
+        default=48000,
+        description="Sample rate for audio recording, in Hz.",
+        json_schema_extra={"changeable": False},
     )
     frame_duration: Literal[10, 20, 30] = Field(
-        default=20, description="Frame duration for audio recording, in milliseconds."
+        default=20,
+        description="Frame duration for audio recording, in milliseconds.",
+        json_schema_extra={"changeable": False},
     )
     reply_only_as_text: Optional[bool] = Field(
         default=None, description="Reply only as text. The assistant will not speak."