feat(nvim): added molten.nvim for jupyter-like behavior

nvim/lua/chadrc.lua

@@ -1,7 +1,7 @@
 local options = {
 
   base46 = {
-    theme = "catppuccin", -- default theme
+    theme = "chadracula-evondev", -- default theme
     hl_add = {},
     hl_override = {},
     integrations = {},
@@ -11,7 +11,7 @@ local options = {
       },
     },
     transparency = true,
-    theme_toggle = { "catppuccin", "one_light" },
+    theme_toggle = { "chadracula-evondev", "one_light" },
   },
 
   ui = {

nvim/lua/configs/lazy.lua

@@ -34,7 +34,7 @@ return {
         "zip",
         "zipPlugin",
         "tutor",
-        "rplugin",
+        -- "rplugin",
         "syntax",
         "synmenu",
         "optwin",

nvim/lua/mappings.lua

@@ -97,3 +97,22 @@ end, { desc = "Gitsigns Blame line" })
 map("n", "<leader>td", function()
   require("gitsigns").toggle_deleted()
 end, { desc = "Gitsigns Toggle deleted" })
+
+-- molten related mappings
+map("n", "<localleader>ip", function()
+  local venv = os.getenv("VIRTUAL_ENV") or os.getenv("CONDA_PREFIX")
+  if venv ~= nil then
+    -- in the form of /home/ha5pls/.local/state/virtualenvs/VENV_NAME
+    venv = string.match(venv, "/.+/(.+)")
+    vim.cmd(("MoltenInit %s"):format(venv))
+  else
+    vim.cmd("MoltenInit python3")
+  end
+end, { desc = "Initialize Molten for python3" })
+map("n", "<leader>mi", ":MoltenInit<CR>")
+map("n", "<leader>me", ":MoltenEvaluateOperator<CR>")
+map("n", "<leader>rr", ":MoltenReevaluateCell<CR>")
+map("v", "<leader>r", ":<C-u>MoltenEvaluateVisual<CR>gv")
+map("n", "<leader>os", ":noautocmd MoltenEnterOutput<CR>")
+map("n", "<leader>oh", ":MoltenHideOutput<CR>")
+map("n", "<leader>md", ":MoltenDelete<CR>")

nvim/lua/myinit.lua

@@ -31,3 +31,16 @@ vim.opt.relativenumber = true
 vim.opt.tabstop = 4
 vim.opt.shiftwidth = 4
 vim.opt.expandtab = true
+
+-- use prepared venv, mostly for molten
+local enable_providers = {
+      "python3_provider",
+      -- and so on
+    }
+    
+    for _, plugin in pairs(enable_providers) do
+      vim.g["loaded_" .. plugin] = nil
+      vim.cmd("runtime " .. plugin)
+    end
+
+vim.g.python3_host_prog = vim.fn.expand(os.getenv("XDG_STATE_HOME") .. "/virtualenvs/neovim/bin/python3")

nvim/lua/plugins/init.lua

@@ -105,6 +105,41 @@ return {
         "godlygeek/tabular",
         -- ft = "vhdl", -- temporary solution, but I only need it for vhdl. To be replaced with a real formatter long-term
         cmd = { "GTabularize", "Tabularize" },
+    },
+
+    {
+        "benlubas/molten-nvim",
+        -- version = "^1.0.0", -- use version <2.0.0 to avoid breaking changes
+        dependencies = { "3rd/image.nvim" },
+        build = ":UpdateRemotePlugins",
+        init = function()
+            vim.g.molten_image_provider = "image.nvim"
+            vim.g.molten_use_border_highlights = true
+        end,
         -- lazy = false
     },
+    {
+        -- see the image.nvim readme for more information about configuring this plugin
+        "3rd/image.nvim",
+        opts = {
+            backend = "kitty", -- whatever backend you would like to use
+            max_width = 100,
+            max_height = 12,
+            max_height_window_percentage = math.huge,
+            max_width_window_percentage = math.huge,
+            window_overlap_clear_enabled = true, -- toggles images when windows are overlapped
+            window_overlap_clear_ft_ignore = { "cmp_menu", "cmp_docs", "" },
+            integrations = {
+                markdown = {
+                    enabled = true,
+                    clear_in_insert_mode = false,
+                    download_remote_images = true,
+                    only_render_image_at_cursor = false,
+                    only_render_image_at_cursor_mode = "popup",
+                    floating_windows = false, -- if true, images will be rendered in floating markdown windows
+                    filetypes = { "markdown", "vimwiki" }, -- markdown extensions (ie. quarto) can go here
+                },
+            }, -- do whatever you want with image.nvim's integrations
+        },
+    }
 }