从 env.json 中获取版本号

env.py

@@ -38,24 +38,15 @@
 
 from cmds import *
 from vars import Export
-
-__version__ = ''
-
-# try to read env.json to get information
-try:
-    with open('env.json', 'r') as file:
-        env_data = json.load(file)
-        __version__ = env_data['name'] + ' '+ env_data['version']
-except Exception as e:
-    # use the default 'v2.0.1'
-    __version__ = 'RT-Thread Env Tool v2.0.1'
+from version import get_rt_env_version
 
 def show_version_warning():
     rtt_ver = get_rtt_verion()
+    rt_env_name, rt_env_ver = get_rt_env_version()
 
     if rtt_ver <= (5, 1, 0) and rtt_ver != (0, 0, 0):
         print('===================================================================')
-        print('Welcome to %s' % __version__)
+        print('Welcome to %s %s' % (rt_env_name, rt_env_ver))
         print('===================================================================')
         # print('')
         print('env v2.0 has made the following important changes:')
@@ -79,7 +70,9 @@ def init_argparse():
     parser = argparse.ArgumentParser(description=__doc__)
     subs = parser.add_subparsers()
 
-    parser.add_argument('-v', '--version', action='version', version=__version__)
+    rt_env_name, rt_env_ver = get_rt_env_version()
+    env_ver_str = '%s %s' % (rt_env_name, rt_env_ver)
+    parser.add_argument('-v', '--version', action='version', version=env_ver_str)
 
     cmd_system.add_parser(subs)
     cmd_menuconfig.add_parser(subs)

setup.py

@@ -1,9 +1,11 @@
 from setuptools import setup
+from version import get_rt_env_version
 
+env_name, env_ver = get_rt_env_version()
 setup(
     name='env',
-    version='2.0.1',
-    description='RT-Thread Env',
+    version=env_ver,
+    description=env_name,
     url='https://github.com/RT-Thread/env.git',
     author='RT-Thread Development Team',
     author_email='rt-thread@rt-thread.org',

version.py

@@ -0,0 +1,46 @@
+# -*- coding:utf-8 -*-
+#
+# File      : version.py
+# This file is part of RT-Thread RTOS
+# COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
+#
+#  This program is free software; you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation; either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License along
+#  with this program; if not, write to the Free Software Foundation, Inc.,
+#  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Change Logs:
+# Date           Author          Notes
+# 2025-06-23     Dongly      Add get_rt_env_version function
+
+import json
+
+def get_rt_env_version():
+    rt_env_ver = None
+    rt_env_name = None
+
+    # try to read env.json to get information
+    try:
+        with open('env.json', 'r') as file:
+            env_data = json.load(file)
+            rt_env_name = env_data['name'] 
+            rt_env_ver = env_data['version']
+    except Exception as e:
+        print("Failed to read env.json: %s" % str(e))
+
+    if rt_env_name is None:
+        rt_env_name = 'RT-Thread Env Tool'
+    if rt_env_ver is None:
+        # use the default 'v2.0.1'
+        rt_env_ver = 'v2.0.1'
+
+    return rt_env_name, rt_env_ver