Mercurial > public > mercurial-scm > hg
comparison mercurial/scmposix.py @ 30309:4b1af1c867fa
scmutil: move util.termwidth()
I'm going to get rid of sys.stderr|out|in references from posix.termwidth().
In order to do that, termwidth() needs to take a ui, but functions in util.py
shouldn't depend on a ui object. So moves termwidth() to scmutil.py.
| author | Yuya Nishihara <yuya@tcha.org> |
|---|---|
| date | Thu, 20 Oct 2016 21:38:44 +0900 |
| parents | c90a05124fae |
| children | 5c379b1f56c7 |
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| 30308:d500ddae7494 | 30309:4b1af1c867fa |
|---|---|
| 1 from __future__ import absolute_import | 1 from __future__ import absolute_import |
| 2 | 2 |
| 3 import errno | |
| 4 import fcntl | |
| 3 import os | 5 import os |
| 4 import sys | 6 import sys |
| 5 | 7 |
| 6 from . import ( | 8 from . import ( |
| 7 encoding, | 9 encoding, |
| 36 def userrcpath(): | 38 def userrcpath(): |
| 37 if sys.platform == 'plan9': | 39 if sys.platform == 'plan9': |
| 38 return [encoding.environ['home'] + '/lib/hgrc'] | 40 return [encoding.environ['home'] + '/lib/hgrc'] |
| 39 else: | 41 else: |
| 40 return [os.path.expanduser('~/.hgrc')] | 42 return [os.path.expanduser('~/.hgrc')] |
| 43 | |
| 44 def termwidth(): | |
| 45 try: | |
| 46 import array | |
| 47 import termios | |
| 48 for dev in (sys.stderr, sys.stdout, sys.stdin): | |
| 49 try: | |
| 50 try: | |
| 51 fd = dev.fileno() | |
| 52 except AttributeError: | |
| 53 continue | |
| 54 if not os.isatty(fd): | |
| 55 continue | |
| 56 try: | |
| 57 arri = fcntl.ioctl(fd, termios.TIOCGWINSZ, '\0' * 8) | |
| 58 width = array.array('h', arri)[1] | |
| 59 if width > 0: | |
| 60 return width | |
| 61 except AttributeError: | |
| 62 pass | |
| 63 except ValueError: | |
| 64 pass | |
| 65 except IOError as e: | |
| 66 if e[0] == errno.EINVAL: | |
| 67 pass | |
| 68 else: | |
| 69 raise | |
| 70 except ImportError: | |
| 71 pass | |
| 72 return 80 |