Preserving quotes for do_py input

Author: kmvanbrunt

cmd2/cmd2.py

@@ -2892,6 +2892,7 @@ def do_set(self, args: argparse.Namespace) -> None:
                                       help='arguments to pass to command'),
             ACTION_ARG_CHOICES, ('path_complete',))
 
+    # Preserve quotes since we are passing these strings to the shell
     @with_argparser(shell_parser, preserve_quotes=True)
     def do_shell(self, args: argparse.Namespace) -> None:
         """Execute a command as if at the OS prompt"""
@@ -2947,7 +2948,8 @@ def _reset_py_display() -> None:
     py_parser.add_argument('command', help="command to run", nargs='?')
     py_parser.add_argument('remainder', help="remainder of command", nargs=argparse.REMAINDER)
 
-    @with_argparser(py_parser)
+    # Preserve quotes since we are passing these strings to Python
+    @with_argparser(py_parser, preserve_quotes=True)
     def do_py(self, args: argparse.Namespace) -> bool:
         """Invoke Python command or shell"""
         from .pyscript_bridge import PyscriptBridge, CommandResult
@@ -2987,9 +2989,9 @@ def run(filename: str):
             interp.runcode('import sys, os;sys.path.insert(0, os.getcwd())')
 
             if args.command:
-                full_command = utils.quote_string_if_needed(args.command)
-                for cur_token in args.remainder:
-                    full_command += ' ' + utils.quote_string_if_needed(cur_token)
+                full_command = args.command
+                if args.remainder:
+                    full_command += ' ' + ' '.join(args.remainder)
 
                 interp.runcode(full_command)
 

tests/test_cmd2.py

@@ -219,10 +219,15 @@ def test_base_py(base_app, capsys):
     run_cmd(base_app, 'py qqq=3')
     out, err = capsys.readouterr()
     assert out == ''
+
     run_cmd(base_app, 'py print(qqq)')
     out, err = capsys.readouterr()
     assert out.rstrip() == '3'
 
+    run_cmd(base_app, 'py print("spaces" + " in this " + "command")')
+    out, err = capsys.readouterr()
+    assert out.rstrip() == 'spaces in this command'
+
 
 @pytest.mark.skipif(sys.platform == 'win32',
                     reason="Unit test doesn't work on win32, but feature does")