Evaluate for a variable with space inside sends an error

[pointhex]

Environment data

• debugpy version: 1.6.7.post1
• OS and version: Ubuntu 22.04
• Python version (& distribution if applicable, e.g. Anaconda): Python 3.10.6
• Using VS Code or Visual Studio: -

Actual behaviour

• sent the "variables" request
• get the list of the variables with the variable name "function variable" inside
• sent the request "evaluate"
• get an error for an existent variable
• the problem is only there with variables with space inside

log:

variables request:
{"body":{"variables":[{"name":"special variables","type":"","value":"","variablesReference":28},{"name":"function variables","type":"","value":"","variablesReference":29},{"evaluateName":"x.i","name":"i","type":"int","value":"2","variablesReference":0}]},"command":"variables","request_seq":24,"seq":35,"success":true,"type":"response"}

evaluate request:
{\"arguments\":{\"context\":\"variables\",\"expression\":\"function variables\",\"frameId\":2},\"command\":\"evaluate\",\"seq\":25,\"type\":\"request\"}

evaluate response:
{\"seq\": 36, \"type\": \"response\", \"request_seq\": 25, \"success\": true, \"command\": \"evaluate\", \"body\": {\"result\": \"SyntaxError('invalid syntax', ('<string>', 1, 10, 'function variables', 1, 19))\", \"variablesReference\": 30, \"type\": \"SyntaxError\", \"presentationHint\": {}}}

Expected behavior

• should be possible to evaluate all kinds of variable names which are existed

[int19h]

"evaluate" request, by design, accepts valid Python expressions and evaluates them in the environment of the designated frame; Python does not allow spaces in variables names. Furthermore, the "function variable" item is not an actual variable, just a dummy entry that is used to organize actual variables, so it cannot be referenced in any case except to enumerate child items.

[pointhex]

@int19h Thank you for the explanation. Is it possible to make this entry name "function_variable" or exchange the space for something else? Currently, it is not possible to make an evaluation for any variables below by the tree(x.function variable.y, etc). Is it possible to do the same with other kinds of entries?