bpo-23706: Add newline parameter to pathlib.Path.write_text (GH-22420) (GH-22420)

* Add _newline_ parameter to `pathlib.Path.write_text()`
* Update documentation of `pathlib.Path.write_text()`
* Add test case for `pathlib.Path.write_text()` calls with _newline_ parameter passed

Automerge-Triggered-By: GH:methane

1 files changed, 2 insertions, 2 deletions

diff --git a/Lib/pathlib.py b/Lib/pathlib.py
index 147be2ff0d..178c5b981d 100644
--- a/Lib/pathlib.py
+++ b/Lib/pathlib.py
@@ -1264,14 +1264,14 @@ class Path(PurePath):
         with self.open(mode='wb') as f:
             return f.write(view)
 
-    def write_text(self, data, encoding=None, errors=None):
+    def write_text(self, data, encoding=None, errors=None, newline=None):
         """
         Open the file in text mode, write to it, and close the file.
         """
         if not isinstance(data, str):
             raise TypeError('data must be str, not %s' %
                             data.__class__.__name__)
-        with self.open(mode='w', encoding=encoding, errors=errors) as f:
+        with self.open(mode='w', encoding=encoding, errors=errors, newline=newline) as f:
             return f.write(data)
 
     def readlink(self):