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annotate mercurial/scmposix.py @ 30324:80708959161a

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scmutil: narrow ImportError handling in termwidth() The array module must exist. It's sufficient to suppress the ImportError of termios. Also salvaged the comment why we have to handle AttributeError, from 7002bb17cc5e.
author Yuya Nishihara <yuya@tcha.org>
date Thu, 20 Oct 2016 21:50:29 +0900
parents 5c379b1f56c7
children 1ad1c5017043
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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27483
39087ee88835 scmposix: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents: 22583
diff changeset
1 from __future__ import absolute_import
39087ee88835 scmposix: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents: 22583
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2
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80708959161a scmutil: narrow ImportError handling in termwidth()
Yuya Nishihara <yuya@tcha.org>
parents: 30323
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3 import array
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4b1af1c867fa scmutil: move util.termwidth()
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4 import errno
4b1af1c867fa scmutil: move util.termwidth()
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5 import fcntl
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6 import os
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7 import sys
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8
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9 from . import (
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c90a05124fae py3: make scmposix.userrcpath() return bytes
Pulkit Goyal <7895pulkit@gmail.com>
parents: 27483
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10 encoding,
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39087ee88835 scmposix: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
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11 osutil,
39087ee88835 scmposix: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents: 22583
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12 )
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4c6f7f0dadab scmutil: split platform-specific bits into their own modules
Kevin Bullock <kbullock@ringworld.org>
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13
4c6f7f0dadab scmutil: split platform-specific bits into their own modules
Kevin Bullock <kbullock@ringworld.org>
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14 def _rcfiles(path):
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15 rcs = [os.path.join(path, 'hgrc')]
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16 rcdir = os.path.join(path, 'hgrc.d')
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17 try:
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18 rcs.extend([os.path.join(rcdir, f)
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19 for f, kind in osutil.listdir(rcdir)
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20 if f.endswith(".rc")])
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21 except OSError:
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22 pass
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23 return rcs
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24
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25 def systemrcpath():
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26 path = []
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27 if sys.platform == 'plan9':
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28 root = 'lib/mercurial'
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29 else:
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30 root = 'etc/mercurial'
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31 # old mod_python does not set sys.argv
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32 if len(getattr(sys, 'argv', [])) > 0:
4c6f7f0dadab scmutil: split platform-specific bits into their own modules
Kevin Bullock <kbullock@ringworld.org>
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33 p = os.path.dirname(os.path.dirname(sys.argv[0]))
22583
23c995ed466b config: don't read the same config file twice
Mads Kiilerich <madski@unity3d.com>
parents: 18690
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34 if p != '/':
23c995ed466b config: don't read the same config file twice
Mads Kiilerich <madski@unity3d.com>
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35 path.extend(_rcfiles(os.path.join(p, root)))
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36 path.extend(_rcfiles('/' + root))
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37 return path
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38
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39 def userrcpath():
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40 if sys.platform == 'plan9':
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Pulkit Goyal <7895pulkit@gmail.com>
parents: 27483
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41 return [encoding.environ['home'] + '/lib/hgrc']
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42 else:
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43 return [os.path.expanduser('~/.hgrc')]
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4b1af1c867fa scmutil: move util.termwidth()
Yuya Nishihara <yuya@tcha.org>
parents: 30290
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44
30323
5c379b1f56c7 scmutil: make termwidth() obtain stdio from ui
Yuya Nishihara <yuya@tcha.org>
parents: 30322
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45 def termwidth(ui):
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4b1af1c867fa scmutil: move util.termwidth()
Yuya Nishihara <yuya@tcha.org>
parents: 30290
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46 try:
4b1af1c867fa scmutil: move util.termwidth()
Yuya Nishihara <yuya@tcha.org>
parents: 30290
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47 import termios
30324
80708959161a scmutil: narrow ImportError handling in termwidth()
Yuya Nishihara <yuya@tcha.org>
parents: 30323
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48 TIOCGWINSZ = termios.TIOCGWINSZ # unavailable on IRIX (issue3449)
80708959161a scmutil: narrow ImportError handling in termwidth()
Yuya Nishihara <yuya@tcha.org>
parents: 30323
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49 except (AttributeError, ImportError):
80708959161a scmutil: narrow ImportError handling in termwidth()
Yuya Nishihara <yuya@tcha.org>
parents: 30323
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50 return 80
80708959161a scmutil: narrow ImportError handling in termwidth()
Yuya Nishihara <yuya@tcha.org>
parents: 30323
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51 if True:
30323
5c379b1f56c7 scmutil: make termwidth() obtain stdio from ui
Yuya Nishihara <yuya@tcha.org>
parents: 30322
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52 for dev in (ui.ferr, ui.fout, ui.fin):
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Yuya Nishihara <yuya@tcha.org>
parents: 30290
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53 try:
4b1af1c867fa scmutil: move util.termwidth()
Yuya Nishihara <yuya@tcha.org>
parents: 30290
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54 try:
4b1af1c867fa scmutil: move util.termwidth()
Yuya Nishihara <yuya@tcha.org>
parents: 30290
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55 fd = dev.fileno()
4b1af1c867fa scmutil: move util.termwidth()
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parents: 30290
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56 except AttributeError:
4b1af1c867fa scmutil: move util.termwidth()
Yuya Nishihara <yuya@tcha.org>
parents: 30290
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57 continue
4b1af1c867fa scmutil: move util.termwidth()
Yuya Nishihara <yuya@tcha.org>
parents: 30290
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58 if not os.isatty(fd):
4b1af1c867fa scmutil: move util.termwidth()
Yuya Nishihara <yuya@tcha.org>
parents: 30290
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59 continue
30324
80708959161a scmutil: narrow ImportError handling in termwidth()
Yuya Nishihara <yuya@tcha.org>
parents: 30323
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60 if True:
80708959161a scmutil: narrow ImportError handling in termwidth()
Yuya Nishihara <yuya@tcha.org>
parents: 30323
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61 arri = fcntl.ioctl(fd, TIOCGWINSZ, '\0' * 8)
30322
4b1af1c867fa scmutil: move util.termwidth()
Yuya Nishihara <yuya@tcha.org>
parents: 30290
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62 width = array.array('h', arri)[1]
4b1af1c867fa scmutil: move util.termwidth()
Yuya Nishihara <yuya@tcha.org>
parents: 30290
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63 if width > 0:
4b1af1c867fa scmutil: move util.termwidth()
Yuya Nishihara <yuya@tcha.org>
parents: 30290
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64 return width
4b1af1c867fa scmutil: move util.termwidth()
Yuya Nishihara <yuya@tcha.org>
parents: 30290
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65 except ValueError:
4b1af1c867fa scmutil: move util.termwidth()
Yuya Nishihara <yuya@tcha.org>
parents: 30290
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66 pass
4b1af1c867fa scmutil: move util.termwidth()
Yuya Nishihara <yuya@tcha.org>
parents: 30290
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67 except IOError as e:
4b1af1c867fa scmutil: move util.termwidth()
Yuya Nishihara <yuya@tcha.org>
parents: 30290
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68 if e[0] == errno.EINVAL:
4b1af1c867fa scmutil: move util.termwidth()
Yuya Nishihara <yuya@tcha.org>
parents: 30290
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69 pass
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Yuya Nishihara <yuya@tcha.org>
parents: 30290
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70 else:
4b1af1c867fa scmutil: move util.termwidth()
Yuya Nishihara <yuya@tcha.org>
parents: 30290
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71 raise
4b1af1c867fa scmutil: move util.termwidth()
Yuya Nishihara <yuya@tcha.org>
parents: 30290
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72 return 80