feat(py) Add *args and **kwargs support (#71)

lua/neogen/configurations/python.lua

@@ -30,7 +30,6 @@ return {
                                 node_type = "parameters",
                                 subtree = {
                                     { retrieve = "all", node_type = "identifier", extract = true },
-
                                     {
                                         retrieve = "all",
                                         node_type = "default_parameter",
@@ -48,6 +47,18 @@ return {
                                         extract = true,
                                         subtree = { { retrieve = "all", node_type = "identifier", extract = true } },
                                     },
+                                    {
+                                        retrieve = "first",
+                                        node_type = "list_splat_pattern",
+                                        extract = true,
+                                        as = i.ArbitraryArgs,
+                                    },
+                                    {
+                                        retrieve = "first",
+                                        node_type = "dictionary_splat_pattern",
+                                        extract = true,
+                                        as = i.ArbitraryArgs,
+                                    },
                                 },
                             },
                             {
@@ -120,6 +131,8 @@ return {
                         results[i.HasReturn] = (res.return_statement or res.anonymous_return or res[i.ReturnTypeHint])
                                 and { true }
                             or nil
+                        results[i.ArbitraryArgs] = res[i.ArbitraryArgs]
+                        results[i.Kwargs] = res[i.Kwargs]
                         return results
                     end,
                 },

lua/neogen/templates/google_docstrings.lua

@@ -15,6 +15,8 @@ return {
     { i.HasParameter, "Args:", { type = { "func" } } },
     { i.Parameter, "    %s ($1): $1", { type = { "func" } } },
     { { i.Parameter, i.Type }, "    %s (%s): $1", { required = "typed_parameters", type = { "func" } } },
+    { i.ArbitraryArgs, "    %s: $1", { type = { "func" } } },
+    { i.Kwargs, "    %s: $1", { type = { "func" } } },
     { i.ClassAttribute, "    %s: $1", { before_first_item = { "", "Attributes: " } } },
     { i.HasReturn, "", { type = { "func" } } },
     { i.HasReturn, "Returns:", { type = { "func" } } },

lua/neogen/templates/numpydoc.lua

@@ -24,6 +24,16 @@ return {
         "%s : %s",
         { after_each = "    $1", required = "typed_parameters", type = { "func" } },
     },
+    {
+        i.ArbitraryArgs,
+        "%s",
+        { after_each = "    $1", type = { "func" } },
+    },
+    {
+        i.Kwargs,
+        "%s",
+        { after_each = "    $1", type = { "func" } },
+    },
     { i.ClassAttribute, "%s : $1", { before_first_item = { "", "Attributes", "----------" } } },
     { i.HasReturn, "", { type = { "func" } } },
     { i.HasReturn, "Returns", { type = { "func" } } },

lua/neogen/types/template.lua

@@ -18,6 +18,8 @@ template.item = {
     ClassAttribute = "attributes",
     HasParameter = "has_parameters",
     HasReturn = "has_return",
+    ArbitraryArgs = "arbitrary_args",
+    Kwargs = "kwargs",
 }
 
 return template