Guard datetime 3.15 parameter names

Author: JelleZijlstra

stdlib/datetime.pyi

@@ -63,8 +63,13 @@ class date:
     def today(cls) -> Self: ...
     @classmethod
     def fromordinal(cls, n: int, /) -> Self: ...
-    @classmethod
-    def fromisoformat(cls, string: str, /) -> Self: ...
+    if sys.version_info >= (3, 15):
+        @classmethod
+        def fromisoformat(cls, string: str, /) -> Self: ...
+    else:
+        @classmethod
+        def fromisoformat(cls, date_string: str, /) -> Self: ...
+
     @classmethod
     def fromisocalendar(cls, year: int, week: int, day: int) -> Self: ...
     @property
@@ -76,8 +81,12 @@ class date:
     def ctime(self) -> str: ...
 
     if sys.version_info >= (3, 14):
-        @classmethod
-        def strptime(cls, string: str, format: str, /) -> Self: ...
+        if sys.version_info >= (3, 15):
+            @classmethod
+            def strptime(cls, string: str, format: str, /) -> Self: ...
+        else:
+            @classmethod
+            def strptime(cls, date_string: str, format: str, /) -> Self: ...
 
     # On <3.12, the name of the parameter in the pure-Python implementation
     # didn't match the name in the C implementation,
@@ -147,12 +156,20 @@ class time:
     def __eq__(self, value: object, /) -> bool: ...
     def __hash__(self) -> int: ...
     def isoformat(self, timespec: str = "auto") -> str: ...
-    @classmethod
-    def fromisoformat(cls, string: str, /) -> Self: ...
+    if sys.version_info >= (3, 15):
+        @classmethod
+        def fromisoformat(cls, string: str, /) -> Self: ...
+    else:
+        @classmethod
+        def fromisoformat(cls, time_string: str, /) -> Self: ...
 
     if sys.version_info >= (3, 14):
-        @classmethod
-        def strptime(cls, string: str, format: str, /) -> Self: ...
+        if sys.version_info >= (3, 15):
+            @classmethod
+            def strptime(cls, string: str, format: str, /) -> Self: ...
+        else:
+            @classmethod
+            def strptime(cls, date_string: str, format: str, /) -> Self: ...
 
     # On <3.12, the name of the parameter in the pure-Python implementation
     # didn't match the name in the C implementation,
@@ -291,8 +308,10 @@ class datetime(date):
     def utcnow(cls) -> Self: ...
     @classmethod
     def combine(cls, date: _Date, time: _Time, tzinfo: _TzInfo | None = ...) -> Self: ...
-    @classmethod
-    def fromisoformat(cls, string: str, /) -> Self: ...
+    if sys.version_info >= (3, 15):
+        @classmethod
+        def fromisoformat(cls, string: str, /) -> Self: ...
+
     def timestamp(self) -> float: ...
     def utctimetuple(self) -> struct_time: ...
     def date(self) -> _Date: ...
@@ -329,8 +348,13 @@ class datetime(date):
     ) -> Self: ...
     def astimezone(self, tz: _TzInfo | None = None) -> Self: ...
     def isoformat(self, sep: str = "T", timespec: str = "auto") -> str: ...
-    @classmethod
-    def strptime(cls, string: str, format: str, /) -> Self: ...
+    if sys.version_info >= (3, 15):
+        @classmethod
+        def strptime(cls, string: str, format: str, /) -> Self: ...
+    else:
+        @classmethod
+        def strptime(cls, date_string: str, format: str, /) -> Self: ...
+
     def utcoffset(self) -> timedelta | None: ...
     def tzname(self) -> str | None: ...
     def dst(self) -> timedelta | None: ...