[Question] Python debugger doesn't work.

[TornaxO7]

Hello! I'm sorry, but I'm veeeery irritated how to setup this plugin.

If I start nvim-dap, then I'm getting the following error messages:

No configuration found for `python`. You need to add configs to `dap.configurations.python` (See `:h dap-configuration`)

Reproduction steps

Here are my settings:
~/.config/nvim/init.vim:

call plug#begin('~/.vim/plugged')
Plug 'mfussenegger/nvim-dap'
Plug 'theHamsta/nvim-dap-virtual-text'
Plug 'rcarriga/nvim-dap-ui'
Plug 'Pocco81/DAPInstall.nvim'
call plug#end()

source ~/.config/nvim/plugins/dap.vim
lua require("dapinstall")

~/.config/nvim/plugins/dap.vim:

augroup NvimDap
    autocmd!
    au FileType dap-repl lua require('dap.ext.autocompl').attach()
augroup END

let g:my_dap_repl_is_open = v:false

function OpenRepl()
    echo "called"
    " open repl if it isn't opened yet
    if !g:my_dap_repl_is_open
        lua require('dap').repl.open()
        let g:my_dap_repl_is_open = v:true
    endif

    lua require('dap').continue()
endfunction

nnoremap <F5> :call OpenRepl()<CR>
nnoremap <F6> :lua require('dap').step_over()<CR>
nnoremap <F7> :lua require('dap').step_into()<CR>
nnoremap <F8> :lua require('dap').step_out()<CR>
nnoremap <F9><F9> :lua require('dap').toggle_breakpoint()<CR>
nnoremap <F9><F10> :lua require('dap').set_breakpoint(vim.fn.input('Breakpoint condition: '))<CR>
nnoremap <F9><F7> :lua require('dap').set_breakpoint(nil, nil, vim.fn.input('Log point message: '))<CR>

lua require("dap_conf")

~/.config/nvim/lua/dap.lua:

local dap = require('dap')
local dap_ui = require('dapui')
dap.set_log_level('TRACE')
dap_ui.setup(
{
        icons = {
            expanded = "⯆",
            collapsed = "⯈",
            circular = "↺"
        },
        mappings = {
            expand = "<CR>",
            open = "o",
            remove = "d"
        },
        sidebar = {
            elements = {
                -- You can change the order of elements in the sidebar
                "scopes",
                "stacks",
                "watches"
            },
            width = 40,
            position = "left" -- Can be "left" or "right"
        },
        tray = {
            elements = {
                "repl"
            },
            height = 10,
            position = "bottom" -- Can be "bottom" or "top"
        },
        floating = {
            max_height = nil, -- These can be integers or a float between 0 and 1.
            max_width = nil   -- Floats will be treated as percentage of your screen.
        }
})

vim.g.dap_virtual_text = true

~/.config/nvim/lua/dapinstall.lua

local dap_install = require("dap-install")

dap_install.setup({
	installation_path = "~/Apps/nvim-dap/",
	verbosely_call_debuggers = false,
})

dap_install.config("python_dbg", {
    adapters = {
        type = "executable",
        command = "python3",
        args = {"-m", "debugpy.adapter"}
    },
    configurations = {
                {
                    type = "python",
                    request = "launch",
                    name = "Launch file",
                    program = "${file}",
                    pythonPath = "python3"
                }
            }
})
dap_install.config("php_dbg", {})

I already did :DIInstall python_dbg but it still says that I can't use the python debugger.

[TornaxO7]

I also noticed that my ~/Apps/nvim-dap/ directory is empty. Is that normal?

[pocco81]

~ is a shortcut for $HOME, which is a system variable, and DAPInstall can't read system variables (although I think it might be possible through a luarock). If you want to specify the path to a directory under your $HOME then you could:

1. just type it /home/pocco81/Apps/nvim-dap/
2. Use nvim's vim api to fetch the $HOME var like so:

local dap_install = require("dap-install")

dap_install.setup({
	installation_path = vim.api.nvim_eval('$HOME') .. "Apps/nvim-dap/", -- this
	verbosely_call_debuggers = false,
})

I'm veeeery irritated how to setup this plugin.

Why? :(

[TornaxO7]

Yeah it works now! Thank you :)

[TornaxO7]

I'm veeeery irritated how to setup this plugin.

It was because it didn't work. Thank you for simplifying the debugging process with this plugin :)