bpo-45975: Simplify some while-loops with walrus operator (GH-29347)

1 files changed, 2 insertions, 8 deletions

diff --git a/Lib/ftplib.py b/Lib/ftplib.py
index c7ca8f6..a56e0c3 100644
--- a/Lib/ftplib.py
+++ b/Lib/ftplib.py
@@ -434,10 +434,7 @@ class FTP:
         """
         self.voidcmd('TYPE I')
         with self.transfercmd(cmd, rest) as conn:
-            while 1:
-                data = conn.recv(blocksize)
-                if not data:
-                    break
+            while data := conn.recv(blocksize):
                 callback(data)
             # shutdown ssl layer
             if _SSLSocket is not None and isinstance(conn, _SSLSocket):
@@ -496,10 +493,7 @@ class FTP:
         """
         self.voidcmd('TYPE I')
         with self.transfercmd(cmd, rest) as conn:
-            while 1:
-                buf = fp.read(blocksize)
-                if not buf:
-                    break
+            while buf := fp.read(blocksize):
                 conn.sendall(buf)
                 if callback:
                     callback(buf)