From 5a54d94aa59cf84ef0e18bfd31d10895945ab735 Mon Sep 17 00:00:00 2001
From: Dave Halter <davidhalter88@gmail.com>
Date: Fri, 27 Dec 2019 10:36:13 +0100
Subject: [PATCH] Make sure that infering params is possible from the API

---
 jedi/inference/__init__.py |  2 ++
 test/completion/basic.py   | 19 +++++++++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/jedi/inference/__init__.py b/jedi/inference/__init__.py
index e3c2db7a..42d5c56a 100644
--- a/jedi/inference/__init__.py
+++ b/jedi/inference/__init__.py
@@ -169,6 +169,8 @@ class InferenceState(object):
                 return imports.infer_import(context, name)
             if type_ == 'with_stmt':
                 return tree_name_to_values(self, context, name)
+            elif type_ == 'param':
+                return context.py__getattribute__(name.value, position=name.end_pos)
         else:
             result = follow_error_node_imports_if_possible(context, name)
             if result is not None:
diff --git a/test/completion/basic.py b/test/completion/basic.py
index a74ca81c..979f4f42 100644
--- a/test/completion/basic.py
+++ b/test/completion/basic.py
@@ -299,6 +299,25 @@ except MyException as e:
     for x in e.my_attr:
         pass
 
+# -----------------
+# params
+# -----------------
+
+my_param = 1
+#? 9 str()
+def foo1(my_param):
+    my_param = 3.0
+foo1("")
+
+my_type = float()
+#? 20 float()
+def foo2(my_param: my_type):
+    pass
+foo2("")
+#? 20 int()
+def foo3(my_param=my_param):
+    pass
+foo3("")
 
 # -----------------
 # continuations