refactor(export): move ready/exit hint to shell wrappers

Drop --exit-hint from tos.py hello and let each shell script print its own
ready line and exit hint, so PowerShell can advise `deactivate` only while
cmd/bash keep the `exit` or `deactivate` wording.

Made-with: Cursor

Author: shiliu-yang

export.bat

@@ -168,7 +168,7 @@ if exist "%CACHE_PATH%\.dont_prompt_update_platform" del /F /Q "%CACHE_PATH%\.do
 ::   sees inside the fresh child cmd is:
 ::     OPEN_SDK_ROOT / Host / [TuyaOpen] Note banner
 ::     [INFO]: Running tos.py ...  (from tos.py hello)
-::     ASCII art + "ready" / exit hint
+::     ASCII art, then "ready" / exit lines from this script
 ::   i.e. environment info FIRST, greeting SECOND. Running hello in the
 ::   parent here would print it above the child's "Microsoft Windows ..."
 ::   header and scroll away before the user could read the banner.
@@ -182,6 +182,8 @@ if exist "%CACHE_PATH%\.dont_prompt_update_platform" del /F /Q "%CACHE_PATH%\.do
 :: ---------------------------------------------------------------------------
 if not "%IS_RESOURCE%"=="1" goto :spawn_child
 "%OPEN_SDK_PYTHON%" "%OPEN_SDK_ROOT%\tos.py" hello
+echo tos.py Tool and TuyaOpen SDK is now ready.
+echo Exit environment: `exit` or `deactivate`.
 goto :eof
 
 :spawn_child
@@ -239,10 +241,12 @@ if "%PY_IN_RANGE%"=="0" >>"%TUYA_ALIAS_BAT%" echo echo [TuyaOpen] Warning: Pytho
 if "%PY_IN_RANGE%"=="1" if not "%PY_MINOR%"=="11" >>"%TUYA_ALIAS_BAT%" echo echo [TuyaOpen] Note: Python 3.11 is recommended; 3.9 - 3.13 are supported ^^^(detected 3.%PY_MINOR%^^^).
 
 :: Run tos.py hello AFTER the banner so the visible order in the child cmd is
-:: "environment info -> [INFO]: Running tos.py ... -> ASCII art -> ready hint".
+:: "environment info -> [INFO]: Running tos.py ... -> ASCII art -> ready/exit".
 :: Invoked in the child (not the parent) so it appears below the banner
 :: instead of scrolling off behind the child cmd's own header.
 >>"%TUYA_ALIAS_BAT%" echo "%OPEN_SDK_PYTHON%" "%OPEN_SDK_ROOT%\tos.py" hello
+>>"%TUYA_ALIAS_BAT%" echo echo tos.py Tool and TuyaOpen SDK is now ready.
+>>"%TUYA_ALIAS_BAT%" echo echo Exit environment: `exit` or `deactivate`.
 
 cmd /d /k "%TUYA_ALIAS_BAT%"
 

export.ps1

@@ -287,16 +287,12 @@ function global:prompt {
 }
 
 # ---------------------------------------------------------------------------
-# Greeting banner (via tos.py hello; prints TuyaOpen version inside the art).
-#
-# `exit` is a PowerShell *language keyword*, not a cmdlet, so a function
-# named `exit` cannot shadow it. The default hint line from `tos.py hello`
-# ("Exit environment: `exit` or `deactivate`.") is therefore misleading in
-# a PS shell - typing `exit` would close the caller's terminal rather than
-# just leaving the TuyaOpen env. Suppress the default and print a
-# PS-specific single-command hint (`deactivate` only) instead.
+# Greeting banner (via tos.py hello; ASCII/version only). "Ready" + exit hint
+# are printed here so PowerShell can recommend `deactivate` only — `exit` is
+# a language keyword and cannot be wrapped like in cmd/bash.
 # ---------------------------------------------------------------------------
-& $pythonExe (Join-Path $OpenSdkRoot 'tos.py') hello --exit-hint ''
+& $pythonExe (Join-Path $OpenSdkRoot 'tos.py') hello
+Write-Host 'tos.py Tool and TuyaOpen SDK is now ready.'
 Write-Host 'Exit environment: `deactivate`.'
 
 # ---------------------------------------------------------------------------

export.sh

@@ -302,7 +302,8 @@ if [ -n "$BASH_VERSION" ]; then
 fi
 
 # ---------------------------------------------------------------------------
-# Greeting banner — rendered by `tos.py hello`.
+# Greeting banner — ASCII/version from `tos.py hello`; "ready" + exit hint
+# from this script so shells can show accurate wording (see export.ps1).
 # On re-source (and non-verbose) the tos.py "Running tos.py ..." INFO log on
 # stderr would be noise, so we drop stderr in that case.
 # ---------------------------------------------------------------------------
@@ -311,6 +312,8 @@ if [ "$__tuya_is_resource" = "1" ] && [ -z "$TUYAOPEN_EXPORT_VERBOSE" ]; then
 else
     tos.py hello --no-version
 fi
+echo 'tos.py Tool and TuyaOpen SDK is now ready.'
+echo 'Exit environment: `exit` or `deactivate`.'
 unset __tuya_is_resource
 
 __tuya_export_cleanup

tools/cli_command/cli_hello.py

@@ -1,8 +1,6 @@
 #!/usr/bin/env python3
 # coding=utf-8
 
-from typing import Optional
-
 import click
 
 from tools.cli_command.cli_version import open_version
@@ -17,30 +15,18 @@
 """
 
 
-DEFAULT_EXIT_HINT = "Exit environment: `exit` or `deactivate`."
-
-
-def print_hello(show_version: bool = True, exit_hint: Optional[str] = None) -> None:
+def print_hello(show_version: bool = True) -> None:
     """Print the TuyaOpen greeting banner.
 
     Args:
         show_version: include the TuyaOpen version line when True.
-        exit_hint:    trailing "how to exit" line.
-                      * None (default) -> use DEFAULT_EXIT_HINT
-                      * ""             -> suppress the hint line entirely
-                      * anything else  -> print that string verbatim
     """
     separator = "*" * 40
     click.echo(separator)
     click.echo(HELLO_BANNER)
     if show_version:
         click.echo(f"TuyaOpen version: {open_version()}")
     click.echo(separator)
-    click.echo("tos.py Tool and TuyaOpen SDK is now ready.")
-    if exit_hint is None:
-        click.echo(DEFAULT_EXIT_HINT)
-    elif exit_hint != "":
-        click.echo(exit_hint)
 
 
 ##
@@ -51,11 +37,6 @@ def print_hello(show_version: bool = True, exit_hint: Optional[str] = None) -> N
 @click.option("--no-version",
               is_flag=True, default=False,
               help="Do not print the TuyaOpen version line.")
-@click.option("--exit-hint",
-              type=str, default=None,
-              help="Override the exit hint line. Pass an empty string to "
-                   "suppress the hint entirely. Useful for shell wrappers "
-                   "that want to print a shell-aware hint themselves.")
-def cli(no_version, exit_hint):
-    print_hello(show_version=not no_version, exit_hint=exit_hint)
+def cli(no_version):
+    print_hello(show_version=not no_version)
     pass