better dap config, add dap-python

lua/custom/plugins/init.lua

@@ -301,7 +301,7 @@ return {
     -- dap
 
     ["mfussenegger/nvim-dap"] = { -- {{{
-        lock = true,
+        -- lock = true,
         module = {"dap"},
         setup = function()
             require("core.utils").load_mappings "dap"
@@ -312,6 +312,19 @@ return {
         end
     },
 
+    ["mfussenegger/nvim-dap-python"] = {
+        after = {"nvim-dap"},
+        config = function()
+            -- expand share folder
+            venv_path = vim.fn.stdpath('data') .. '/mason/packages/debugpy/venv/bin/python'
+            require('dap-python').setup(venv_path)
+        end,
+        cond = function()
+            -- filetype is python
+            return vim.bo.filetype == "python"
+        end
+    },
+
     ["rcarriga/nvim-dap-ui"] = {
         -- tag = "*",
         lock = true,

lua/spike/dap/init.lua

@@ -1,3 +1,8 @@
+local present, dap = pcall(require, "dap")
+if not present then
+    print("nvim-dap missing !")
+    return
+end
 local dapmode = require("spike.dap.dapmode")
 local daputils = require('spike.dap.utils')
 local dapui = require("dapui")
@@ -26,19 +31,14 @@ M.signs = {
     }
 }
 
-local function register_listeners()
-    local present, dap = pcall(require, "dap")
-    if not present then
-        print("nvim-dap missing !")
-        return
-    end
 
-    dap.listeners.before['event_initialized']['spike-dap'] = function(session, body)
+local function register_listeners()
+    dap.listeners.before['event_initialized']['spike-dap'] = function(_, _)
         dapmode.start()
         dapui.open()
     end
 
-    dap.listeners.after['event_terminated']['spike-dap'] = function(session, body)
+    dap.listeners.after['event_terminated']['spike-dap'] = function(_, _)
         -- print("dap session ended")
         dapmode.stop()
         dapui.close()
@@ -57,13 +57,33 @@ local function set_signs()
     end
 end
 
+local function dap_setup()
+    -- set default externalTerminal
+    dap.defaults.fallback.external_terminal = {
+        command = "/usr/bin/alacritty",
+        args = {
+            "--class",
+            "dap",
+            "-o",
+            "window.dimensions.lines=30",
+            "-o",
+            "window.dimensions.columns=100",
+            "-e"
+        }
+    }
+
+
+end
+
 function M.prepare_launch()
 end
 
 function M.setup()
+    dap_setup()
     dapmode.setup({})
     register_listeners()
     set_signs()
+    daputils.load_launch_json()
 end
 
 

lua/spike/dap/utils.lua

@@ -32,4 +32,17 @@ M.init_breakpoints = function()
     end
 end
 
+--- Load the DAP launch.json file
+--- If the file does not exist, create it at the default location.
+M.load_launch_json = function()
+    local Path = require("plenary.path")
+    local fpath = Path:new(vim.fn.getcwd() .. "/.vscode/launch.json")
+    -- if path does not exist print message
+    if not fpath:exists() then
+        vim.notify('launch.json not found at ' .. fpath.filename)
+        return
+    end
+    require("dap.ext.vscode").load_launchjs()
+end
+
 return M