more!!! add python support and formatters and null ls to manage all...

that automatically also change my stylua.toml to ignore everything
cause I don't like the way it formats stuff

lua/snippets/python.lua

@@ -0,0 +1,108 @@
+dofile(core.snippets)
+
+--- convert snake to pascal case
+---@return string classname
+local function py_file_name()
+  local fn = file_name()
+  local new = ""
+
+  -- convert snake to pascal case
+  for i = 1, #fn do
+    if i == 1 then
+      new = fn:sub(1, 1):upper()
+    elseif fn:sub(i - 1, i - 1) == "_" then
+      new = new..fn:sub(i, i):upper()
+    elseif fn:sub(i, i) ~= "_" then
+      new = new..fn:sub(i, i)
+    end
+  end
+
+  return new
+end
+
+--- find the current class and return its name if not available defaults to
+--- the file name
+---@return string
+local function python_class()
+  -- set the starting node to the node under the cursor
+  local node = require("nvim-treesitter.ts_utils").get_node_at_cursor()
+
+  while node do
+    -- check if we're in a class
+    if node:type() == "class_definition" then
+      -- find the class name in the class declaration and return it
+      for i = 0, node:child_count() - 1 do
+        local child = node:child(i)
+        if child and child:type() == "identifier" then
+          return vim.treesitter.get_node_text(child, 0)
+        end
+      end
+    end
+    node = node:parent()
+  end
+
+  -- if no class can be found default to the current file name
+  return file_name()
+end
+
+return {
+  s("class", {
+    t("class "),
+    c(1, {
+      f(py_file_name, {}),
+      i(0, "MyClass")
+    }),
+    c(2, {
+      t(""),
+      sn(nil, {
+        t("("),
+        i(1, "object"),
+        t(")")
+      })
+    }),
+    t({ ": ", "\t" }),
+    i(0)
+  }),
+
+  s({ trig = [[fn\|def\|constr\|init]], trigEngine = "vim" }, {
+    t("def "),
+    d(1, function(_, snip)
+      if snip.trigger == "constr" or snip.trigger == "init" then
+        print(python_class())
+        return sn(nil, {
+          t("__init__")
+        })
+      else
+        return sn(nil, {
+          i(1, "myFunc")
+        })
+      end
+    end, {}),
+    t("("),
+    d(2, function(_, snip)
+      -- if this is a constructor or a function in a class then we need to put
+      -- self as the first argument
+      if snip.trigger == "constr" or snip.trigger == "init"
+        or python_class() ~= file_name() then
+
+        return sn(nil, {
+          t("self")
+        })
+      else
+        return sn(nil, {})
+      end
+    end, {}),
+    i(3),
+    t(")"),
+    t(" -> "),
+    i(4, "None"),
+    t({ ":", "\t" }),
+    i(0, "pass")
+  }),
+
+  s("main", {
+    t({ "def main() -> None:", "\t" }),
+    i(0, 'print("hello world")'),
+    t({ "", "", 'if __name__ == "__main__":', "\tmain()" })
+  })
+}