version bump

CHANGELOG.md

@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 
 - Added thread to automatically call update() in progress.track(). Replacing previous adaptive algorithm.
+- Second attempt at working around https://bugs.python.org/issue37871
 
 ## [4.2.1] - 2020-07-29
 

rich/__main__.py

@@ -180,7 +180,7 @@ if __name__ == "__main__":  # pragma: no cover
 
     text = console.file.getvalue()
     # https://bugs.python.org/issue37871
-    for offset in range(0, len(text), 8192):
-        print(text[offset : offset + 8192], end="")
+    for line in text.splitlines():
+        print(line)
 
     print(f"rendered in {taken}ms")

rich/console.py

@@ -986,10 +986,9 @@ class Console:
                     if text:
                         if WINDOWS:  # pragma: no cover
                             # https://bugs.python.org/issue37871
-                            CHUNK_SIZE = 8192
                             write = self.file.write
-                            for offset in range(0, len(text), CHUNK_SIZE):
-                                write(text[offset : offset + CHUNK_SIZE])
+                            for line in text.splitlines(True):
+                                write(line)
                         else:
                             self.file.write(text)
                         self.file.flush()