From: Larry Hastings <larry@hastings.org>
Date: Sun, 19 Jan 2014 05:54:15 +0000 (-0800)
Subject: Issue #20299: Argument Clinic custom converters may now change the default
X-Git-Tag: v3.4.0b3~96
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=b470575e2492349584d9afa2a9d581b58ee92c38;p=thirdparty%2FPython%2Fcpython.git

Issue #20299: Argument Clinic custom converters may now change the default
value of c_default and py_default with a class member.
---

diff --git a/Misc/NEWS b/Misc/NEWS
index b97f4f8cd25c..b66ae0b8a402 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -101,6 +101,9 @@ Tests
 Tools/Demos
 -----------
 
+- Issue #20299: Argument Clinic custom converters may now change the default
+  value of c_default and py_default with a class member.
+
 - Issue #20287: Argument Clinic's output is now configurable, allowing
   delaying its output or even redirecting it to a separate file.
 
diff --git a/Tools/clinic/clinic.py b/Tools/clinic/clinic.py
index 0987d568bd65..ba0bc174ce21 100755
--- a/Tools/clinic/clinic.py
+++ b/Tools/clinic/clinic.py
@@ -1893,8 +1893,10 @@ class CConverter(metaclass=CConverterAutoRegister):
                     self.__class__.__name__, default, name, types_str))
             self.default = default
 
-        self.c_default = c_default
-        self.py_default = py_default
+        if c_default:
+            self.c_default = c_default
+        if py_default:
+            self.py_default = py_default
 
         if annotation != unspecified:
             fail("The 'annotation' parameter is not currently permitted.")