e449d5b7ff
* Fixed Python docstring duplicate throw parsing error * ref(python): remove unecessary recursive * Stylua --------- Co-authored-by: danymat <d.danymat@gmail.com>
295 lines
14 KiB
Lua
295 lines
14 KiB
Lua
local nodes_utils = require("neogen.utilities.nodes")
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local helpers = require("neogen.utilities.helpers")
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local extractors = require("neogen.utilities.extractors")
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local locator = require("neogen.locators.default")
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local template = require("neogen.template")
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local i = require("neogen.types.template").item
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local parent = {
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func = { "function_definition" },
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class = { "class_definition" },
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file = { "module" },
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type = { "expression_statement" },
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}
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return {
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-- Search for these nodes
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parent = parent,
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-- Traverse down these nodes and extract the information as necessary
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data = {
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func = {
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["function_definition"] = {
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["0"] = {
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extract = function(node)
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local tree = {
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{
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retrieve = "all",
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node_type = "parameters",
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subtree = {
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{ retrieve = "all", node_type = "identifier", extract = true, as = i.Parameter },
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{
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retrieve = "all",
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node_type = "default_parameter",
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subtree = {
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{
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retrieve = "all",
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node_type = "identifier",
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extract = true,
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as = i.Parameter,
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},
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},
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},
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{
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retrieve = "all",
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node_type = "typed_parameter",
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extract = true,
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as = i.Tparam,
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},
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{
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retrieve = "all",
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node_type = "typed_default_parameter",
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as = i.Tparam,
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extract = true,
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},
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{
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retrieve = "first",
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node_type = "list_splat_pattern",
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extract = true,
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as = i.ArbitraryArgs,
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},
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{
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retrieve = "first",
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node_type = "dictionary_splat_pattern",
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extract = true,
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as = i.ArbitraryArgs,
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},
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},
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},
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{
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retrieve = "first",
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node_type = "block",
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subtree = {
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{
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retrieve = "all",
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node_type = "return_statement",
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recursive = true,
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extract = true,
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as = i.Return,
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},
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{
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retrieve = "all",
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node_type = "raise_statement",
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recursive = true,
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subtree = {
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{
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retrieve = "first",
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node_type = "call",
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recursive = true,
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subtree = {
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{
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retrieve = "first",
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node_type = "identifier",
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extract = true,
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as = i.Throw,
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}
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}
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},
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},
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},
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},
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},
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{
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retrieve = "all",
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node_type = "type",
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as = i.ReturnTypeHint,
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extract = true,
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},
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}
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local nodes = nodes_utils:matching_nodes_from(node, tree)
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local temp = {}
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if nodes[i.Tparam] then
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temp[i.Tparam] = {}
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for _, n in pairs(nodes[i.Tparam]) do
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local type_subtree = {
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{ retrieve = "all", node_type = "identifier", extract = true, as = i.Parameter },
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{ retrieve = "all", node_type = "type", extract = true, as = i.Type },
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}
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local typed_parameters = nodes_utils:matching_nodes_from(n, type_subtree)
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typed_parameters = extractors:extract_from_matched(typed_parameters)
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table.insert(temp[i.Tparam], typed_parameters)
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end
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end
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local res = extractors:extract_from_matched(nodes)
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res[i.Tparam] = temp[i.Tparam]
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-- Return type hints takes precedence over all other types for generating template
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if res[i.ReturnTypeHint] then
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res[i.HasReturn] = nil
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if res[i.ReturnTypeHint][1] == "None" then
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res[i.ReturnTypeHint] = nil
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end
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end
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-- Check if the function is inside a class
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-- If so, remove reference to the first parameter (that can be `self`, `cls`, or a custom name)
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if res[i.Parameter] and locator({ current = node }, parent.class) then
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local remove_identifier = true
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-- Check if function is a static method. If so, will not remove the first parameter
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if node:parent():type() == "decorated_definition" then
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local decorator = nodes_utils:matching_child_nodes(node:parent(), "decorator")
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decorator = helpers.get_node_text(decorator[1])[1]
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if decorator == "@staticmethod" then
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remove_identifier = false
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end
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end
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if remove_identifier then
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table.remove(res[i.Parameter], 1)
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if vim.tbl_isempty(res[i.Parameter]) then
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res[i.Parameter] = nil
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end
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end
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end
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local results = helpers.copy({
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[i.HasParameter] = function(t)
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return (t[i.Parameter] or t[i.Tparam]) and { true }
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end,
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[i.HasReturn] = function(t)
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return (t[i.ReturnTypeHint] or t[i.Return]) and { true }
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end,
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[i.Type] = true,
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[i.Parameter] = true,
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[i.Return] = true,
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[i.ReturnTypeHint] = true,
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[i.ArbitraryArgs] = true,
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[i.Kwargs] = true,
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[i.Throw] = true,
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[i.Tparam] = true,
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}, res) or {}
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-- Removes generation for returns that are not typed
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if results[i.ReturnTypeHint] then
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results[i.Return] = nil
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end
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return results
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end,
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},
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},
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},
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class = {
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["class_definition"] = {
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["0"] = {
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extract = function(node)
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local results = {}
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local tree = {
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{
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retrieve = "first",
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node_type = "block",
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subtree = {
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{
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retrieve = "first",
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node_type = "function_definition",
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subtree = {
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{
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retrieve = "first",
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node_type = "block",
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subtree = {
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{
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retrieve = "all",
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node_type = "expression_statement",
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subtree = {
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{
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retrieve = "first",
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node_type = "assignment",
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extract = true,
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},
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},
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},
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},
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},
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},
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},
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},
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},
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}
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local nodes = nodes_utils:matching_nodes_from(node, tree)
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if vim.tbl_isempty(nodes) then
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return {}
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end
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-- Deliberately check inside the init function for assignments to "self"
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results[i.ClassAttribute] = {}
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for _, assignment in pairs(nodes["assignment"]) do
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-- Getting left side in assignment
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local left = assignment:field("left")
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-- Checking if left side is an "attribute", which means assigning to an attribute to the function
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if not vim.tbl_isempty(left) and not vim.tbl_isempty(left[1]:field("attribute")) then
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--Adding it to the list
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local left_attribute = assignment:field("left")[1]:field("attribute")[1]
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left_attribute = helpers.get_node_text(left_attribute)[1]
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if not vim.startswith(left_attribute, "_") then
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table.insert(results[i.ClassAttribute], left_attribute)
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end
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end
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end
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if vim.tbl_isempty(results[i.ClassAttribute]) then
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results[i.ClassAttribute] = nil
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end
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return results
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end,
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},
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},
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},
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file = {
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["module"] = {
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["0"] = {
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extract = function()
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return {}
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end,
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},
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},
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},
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type = {
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["0"] = {
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extract = function()
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return {}
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end,
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},
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},
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},
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-- Use default granulator and generator
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locator = nil,
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granulator = nil,
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generator = nil,
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template = template
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:config({
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append = { position = "after", child_name = "comment", fallback = "block", disabled = { "file" } },
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position = function(node, type)
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if type == "file" then
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-- Checks if the file starts with #!, that means it's a shebang line
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-- We will then write file annotations just after it
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for child in node:iter_children() do
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if child:type() == "comment" then
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local start_row = child:start()
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if start_row == 0 then
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if vim.startswith(helpers.get_node_text(node)[1], "#!") then
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return 1, 0
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end
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end
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end
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end
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return 0, 0
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end
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end,
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})
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:add_default_annotation("google_docstrings")
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:add_annotation("numpydoc")
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:add_annotation("reST"),
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}
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