Mercurial > public > mercurial-scm > hg

comparison mercurial/utils/procutil.py @ 45081:29a905fe23ae

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
procutil: use mercurial.windows.winstdout only on Python 2 and TTYs Python 3 already works around the bug. The workaround is only needed when writing to consoles. If stdout is a console, sys.stdout.isatty() is true.
author Manuel Jacob <me@manueljacob.de>
date Fri, 10 Jul 2020 10:03:05 +0200
parents 00cdac669614
children b6afe1c52964
comparison
equal deleted inserted replaced
45080:00cdac669614 45081:29a905fe23ae
89 else: 89 else:
90 stdin = sys.stdin 90 stdin = sys.stdin
91 stdout = sys.stdout 91 stdout = sys.stdout
92 stderr = sys.stderr 92 stderr = sys.stderr
93 93
94 if pycompat.iswindows:
95 stdout = platform.winstdout(stdout)
96
97 # glibc determines buffering on first write to stdout - if we replace a TTY 94 # glibc determines buffering on first write to stdout - if we replace a TTY
98 # destined stdout with a pipe destined stdout (e.g. pager), we want line 95 # destined stdout with a pipe destined stdout (e.g. pager), we want line
99 # buffering. 96 # buffering.
100 if isatty(stdout): 97 if isatty(stdout):
101 if pycompat.ispy3: 98 if pycompat.ispy3:
102 # Python 3 implements its own I/O streams. 99 # Python 3 implements its own I/O streams.
103 # The standard library doesn't offer line-buffered binary streams. 100 # The standard library doesn't offer line-buffered binary streams.
104 stdout = make_line_buffered(stdout) 101 stdout = make_line_buffered(stdout)
105 elif pycompat.iswindows: 102 elif pycompat.iswindows:
103 # Work around size limit when writing to console.
104 stdout = platform.winstdout(stdout)
106 # Python 2 uses the I/O streams provided by the C library. 105 # Python 2 uses the I/O streams provided by the C library.
107 # The Windows C runtime library doesn't support line buffering. 106 # The Windows C runtime library doesn't support line buffering.
108 stdout = make_line_buffered(stdout) 107 stdout = make_line_buffered(stdout)
109 else: 108 else:
110 stdout = os.fdopen(stdout.fileno(), 'wb', 1) 109 stdout = os.fdopen(stdout.fileno(), 'wb', 1)