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comparison mercurial/util.py @ 7695:deec6628e62b

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Also find correct column width of wide characters. Use unicodedata.east_asian_width() to determine wide/full width characters if available. Otherwise, return character count as before.
author Shun-ichi GOTO <shunichi.goto@gmail.com>
date Wed, 21 Jan 2009 20:29:47 +0900
parents e62a456b8dc5
children 0895f95451e7
comparison
equal deleted inserted replaced
7694:2ceeb1423544 7695:deec6628e62b
13 """ 13 """
14 14
15 from i18n import _ 15 from i18n import _
16 import cStringIO, errno, getpass, re, shutil, sys, tempfile, traceback, error 16 import cStringIO, errno, getpass, re, shutil, sys, tempfile, traceback, error
17 import os, stat, threading, time, calendar, ConfigParser, locale, glob, osutil 17 import os, stat, threading, time, calendar, ConfigParser, locale, glob, osutil
18 import imp 18 import imp, unicodedata
19 19
20 # Python compatibility 20 # Python compatibility
21 21
22 try: 22 try:
23 set = set 23 set = set
136 sub = s[max(0, inst.start-10):inst.start+10] 136 sub = s[max(0, inst.start-10):inst.start+10]
137 raise Abort("decoding near '%s': %s!" % (sub, inst)) 137 raise Abort("decoding near '%s': %s!" % (sub, inst))
138 except LookupError, k: 138 except LookupError, k:
139 raise Abort(_("%s, please check your locale settings") % k) 139 raise Abort(_("%s, please check your locale settings") % k)
140 140
141 def locallen(s): 141 _colwidth = None
142 """Find the length in characters of a local string""" 142 def colwidth(s):
143 return len(s.decode(_encoding, "replace")) 143 """Find the column width of string to display."""
144 global _colwidth
145 if _colwidth is None:
146 if hasattr(unicodedata, 'east_asian_width'):
147 _colwidth = lambda s: sum([unicodedata.east_asian_width(c) in 'WF'
148 and 2 or 1 for c in s])
149 else:
150 _colwidth = len
151 return _colwidth(s.decode(_encoding, "replace"))
144 152
145 def version(): 153 def version():
146 """Return version information if available.""" 154 """Return version information if available."""
147 try: 155 try:
148 import __version__ 156 import __version__