[Python-checkins] bpo-28647: Update -u documentation (GH-3954)
Berker Peksag
webhook-mailer at python.org
Wed Oct 11 10:10:06 EDT 2017
https://github.com/python/cpython/commit/5f908005ce16b06d5af7b413264009c4b062f33c
commit: 5f908005ce16b06d5af7b413264009c4b062f33c
branch: 3.6
author: Berker Peksag <berker.peksag at gmail.com>
committer: GitHub <noreply at github.com>
date: 2017-10-11T17:09:57+03:00
summary:
bpo-28647: Update -u documentation (GH-3954)
* stdout and stderr are always opened in text mode
* and they are line-buffered
Initial patch by Gareth Rees.
files:
M Modules/main.c
diff --git a/Modules/main.c b/Modules/main.c
index 475a2fdc36d..bcb992feab7 100644
--- a/Modules/main.c
+++ b/Modules/main.c
@@ -71,9 +71,9 @@ static const char usage_2[] = "\
-S : don't imply 'import site' on initialization\n\
";
static const char usage_3[] = "\
--u : unbuffered binary stdout and stderr, stdin always buffered;\n\
+-u : force the binary I/O layers of stdout and stderr to be unbuffered;\n\
+ stdin is always buffered; text I/O layer will be line-buffered;\n\
also PYTHONUNBUFFERED=x\n\
- see man page for details on internal buffering relating to '-u'\n\
-v : verbose (trace import statements); also PYTHONVERBOSE=x\n\
can be supplied multiple times to increase verbosity\n\
-V : print the Python version number and exit (also --version)\n\
More information about the Python-checkins
mailing list