From 93c4dc2a58d589ee8b90e3191754010ba99a6ceb Mon Sep 17 00:00:00 2001
From: Sam Roeca <samuel.roeca@gmail.com>
Date: Fri, 8 May 2020 09:50:51 -0400
Subject: [PATCH] Attribute access on InitializeParams uses rgetattr

---
 CHANGELOG.md                   | 6 ++++++
 jedi_language_server/server.py | 6 ++++--
 pyproject.toml                 | 2 +-
 3 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index b570a11..5155e8b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## 0.13.1
+
+### Changed
+
+- Attribute access on InitializeParams now exclusively uses `rgetattr` in case Language Client omits optional fields in request.
+
 ## 0.13.0
 
 ### Changed
diff --git a/jedi_language_server/server.py b/jedi_language_server/server.py
index 2e2a351..848ea65 100644
--- a/jedi_language_server/server.py
+++ b/jedi_language_server/server.py
@@ -65,7 +65,9 @@ def bf_initialize(self, params: InitializeParams) -> InitializeResult:
         client capabilities and initializationOptions.
         """
         server: "LanguageServer" = self._server
-        text_document_capabilities = params.capabilities.textDocument
+        text_document_capabilities = rgetattr(
+            params, "capabilities.textDocument"
+        )
         if rgetattr(
             text_document_capabilities,
             "documentSymbol.hierarchicalDocumentSymbolSupport",
@@ -73,7 +75,7 @@ def bf_initialize(self, params: InitializeParams) -> InitializeResult:
             server.feature(DOCUMENT_SYMBOL)(document_symbol)
         else:
             server.feature(DOCUMENT_SYMBOL)(document_symbol_legacy)
-        init = params.initializationOptions
+        init = rgetattr(params, "initializationOptions")
         if rgetattr(init, "diagnostics.enable", True):
             if rgetattr(init, "diagnostics.didOpen", True):
                 SERVER.feature(TEXT_DOCUMENT_DID_OPEN)(did_open)
diff --git a/pyproject.toml b/pyproject.toml
index 9c82b9f..b6c5e3f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,7 @@ include_trailing_comma = true
 
 [tool.poetry]
 name = "jedi-language-server"
-version = "0.13.0"
+version = "0.13.1"
 description = "A language server for Jedi!"
 authors = ["Sam Roeca <samuel.roeca@gmail.com>"]
 readme = "README.md"