import importlib.util
def is_module_installed(module_name):
# 尝试查找模块
spec = importlib.util.find_spec(module_name)
if spec is None:
print(module_name + " 模块未安装")
return False
else:
print(module_name + " 模块已安装")
return True
# 测试一下
is_module_installed('pywebio')