diff --git a/Lib/subprocess.py b/Lib/subprocess.py index d34c57828b..df6e8a8063 100644 --- a/Lib/subprocess.py +++ b/Lib/subprocess.py @@ -791,6 +791,9 @@ class Popen(object): errread = msvcrt.open_osfhandle(errread.Detach(), 0) self.text_mode = encoding or errors or text or universal_newlines + if self.text_mode and not self.encoding: + import locale + self.encoding = locale.getpreferredencoding(False) # How long to resume waiting on a child after the first ^C. # There is no right value for this. The purpose is to be polite