Backport for a925b8c (with additions)

Issue #623: Don't lowercase the first character of the first keyword
argument for ``__new__`` when the segment only contains upper case
characters.

Before this change ``initWithURL:`` mapped to an ``uRL`` keyword argument,
with this fix the keyword argument is named ``URL``.

docs/changelog.rst

@@ -27,6 +27,17 @@ Version 10.3.2
   Recent versions of setuptools broke the "test" command, the full command
   has been reimplemented as part of PyObjC.
 
+* :issue:`627`: Fix build issue when deployment target is 15.0 or later.
+
+* :issue:`623`: Don't lowercase the first character of the first keyword
+   argument for ``__new__`` when the segment only contains upper case
+   characters.
+
+   Before this change ``initWithURL:`` mapped to an ``uRL`` keyword argument,
+   with this fix the keyword argument is named ``URL``.
+
+   Fix by user rndblnch on github
+
 Version 10.3.1
 --------------
 

pyobjc-core/Lib/objc/_transform.py

@@ -43,7 +43,9 @@ def _selectorToKeywords(selector):
     parts = selector.split(":")[:-1]
     if parts[0].startswith("With"):
         parts[0] = parts[0][4:]
-    parts[0] = parts[0][:1].lower() + parts[0][1:]
+
+    if len(parts[0]) == 1 or (len(parts[0]) > 1 and not parts[0].isupper()):
+        parts[0] = parts[0][:1].lower() + parts[0][1:]
 
     return tuple(parts)
 

pyobjc-core/Modules/objc/test/genericnew.m

@@ -39,6 +39,15 @@ -(instancetype)initWithValue:(NSObject*)v
     return self;
 }
 
+-(instancetype)initWithURL:(NSObject*)v
+{
+    self = [super init];
+    if (!self) return nil;
+
+    value = [v retain];
+    return self;
+}
+
 -(instancetype)initWithFirst:(NSObject*)first second:(NSObject*)second
 {
     self = [super init];

pyobjc-core/PyObjCTest/test_generic_new.py

@@ -7,6 +7,7 @@
 NSObject = objc.lookUpClass("NSObject")
 
 objc.registerNewKeywordsFromSelector("OC_GenericNew", b"initWithValue:")
+objc.registerNewKeywordsFromSelector("OC_GenericNew", b"initWithURL:")
 objc.registerNewKeywordsFromSelector("OC_GenericNew", b"initWithFirst:second:")
 objc.registerNewKeywordsFromSelector("OC_GenericNewChild", b"initWithX:y:")
 objc.registerNewKeywordsFromSelector("OC_GenericNewChild2", b"initWithX:y:z:")
@@ -151,6 +152,9 @@ def test_base(self):
         v = OC_GenericNew(value=42)
         self.assertEqual(v.value(), 42)
 
+        v = OC_GenericNew(URL=99)
+        self.assertEqual(v.value(), 99)
+
         v = OC_GenericNew(first=1, second=2)
         self.assertEqual(v.value(), ["first-second", 1, 2])