字符宽度截取
需要安装kitchen包支持 sudo pip install kitchen
只是修改了对应函数使其根据字符宽度返回分组以后的列表
代码很戳，先找这里放着先
#_*_ coding:utf-8 _*_
#sudo pip install kitchen
import itertools
import unicodedata
from kitchen import b_
from kitchen.text.converters import to_unicode, to_bytes
from kitchen.text.exceptions import ControlCharError
from kitchen.text.display import *
def _ucp_width(ucs, control_chars='guess'):
if ucs < 32 or (ucs < 0xa0 and ucs >= 0x7f):
if control_chars == 'strict':
raise ControlCharError(b_('_ucp_width does not understand how to'
' assign a width value to control characters.'))
if ucs in (0x08, 0x07F, 0x94):
return -1
if ucs == 0x1b:
return -1
return 0
if _interval_bisearch(ucs, _COMBINING):
return 0
return (1 +
(ucs >= 0x1100 and
(ucs <= 0x115f or # Hangul Jamo init. consonants
ucs == 0x2329 or ucs == 0x232a or
(ucs >= 0x2e80 and ucs <= 0xa4cf and
ucs != 0x303f) or # CJK ... Yi
(ucs >= 0xac00 and ucs <= 0xd7a3) or # Hangul Syllables
(ucs >= 0xf900 and ucs <= 0xfaff) or # CJK Compatibility Ideographs
(ucs >= 0xfe10 and ucs <= 0xfe19) or # Vertical forms
(ucs >= 0xfe30 and ucs <= 0xfe6f) or # CJK Compatibility Forms
(ucs >= 0xff00 and ucs <= 0xff60) or # Fullwidth Forms
(ucs >= 0xffe0 and ucs <= 0xffe6) or
(ucs >= 0x20000 and ucs <= 0x2fffd) or
(ucs >= 0x30000 and ucs <= 0x3fffd))))
def _interval_bisearch(value, table):
minimum = 0
maximum = len(table) - 1
if value < table[minimum][0] or value > table[maximum][1]:
return False
while maximum >= minimum:
mid = (minimum + maximum) / 2
if value > table[mid][1]:
minimum = mid + 1
elif value < table[mid][0]:
maximum = mid - 1
else:
return True
return False
_COMBINING = (
(0x300, 0x36f), (0x483, 0x489), (0x591, 0x5bd),
(0x5bf, 0x5bf), (0x5c1, 0x5c2), (0x5c4, 0x5c5),
(0x5c7, 0x5c7), (0x600, 0x603), (0x610, 0x61a),
(0x64b, 0x65e), (0x670, 0x670), (0x6d6, 0x6e4),
(0x6e7, 0x6e8), (0x6ea, 0x6ed), (0x70f, 0x70f),
(0x711, 0x711), (0x730, 0x74a), (0x7a6, 0x7b0),
(0x7eb, 0x7f3), (0x816, 0x819), (0x81b, 0x823),
(0x825, 0x827), (0x829, 0x82d), (0x901, 0x902),
(0x93c, 0x93c), (0x941, 0x948), (0x94d, 0x94d),
(0x951, 0x954), (0x962, 0x963), (0x981, 0x981),
(0x9bc, 0x9bc), (0x9c1, 0x9c4), (0x9cd, 0x9cd),
(0x9e2, 0x9e3), (0xa01, 0xa02), (0xa3c, 0xa3c),
(0xa41, 0xa42), (0xa47, 0xa48), (0xa4b, 0xa4d),
(0xa70, 0xa71), (0xa81, 0xa82), (0xabc, 0xabc),
(0xac1, 0xac5), (0xac7, 0xac8), (0xacd, 0xacd),
(0xae2, 0xae3), (0xb01, 0xb01), (0xb3c, 0xb3c),
(0xb3f, 0xb3f), (0xb41, 0xb43), (0xb4d, 0xb4d),
(0xb56, 0xb56), (0xb82, 0xb82), (0xbc0, 0xbc0),
(0xbcd, 0xbcd), (0xc3e, 0xc40), (0xc46, 0xc48),
(0xc4a, 0xc4d), (0xc55, 0xc56), (0xcbc, 0xcbc),
(0xcbf, 0xcbf), (0xcc6, 0xcc6), (0xccc, 0xccd),
(0xce2, 0xce3), (0xd41, 0xd43), (0xd4d, 0xd4d),
(0xdca, 0xdca), (0xdd2, 0xdd4), (0xdd6, 0xdd6),
(0xe31, 0xe31), (0xe34, 0xe3a), (0xe47, 0xe4e),
(0xeb1, 0xeb1), (0xeb4, 0xeb9), (0xebb, 0xebc),
(0xec8, 0xecd), (0xf18, 0xf19), (0xf35, 0xf35),
(0xf37, 0xf37), (0xf39, 0xf39), (0xf71, 0xf7e),
(0xf80, 0xf84), (0xf86, 0xf87), (0xf90, 0xf97),
(0xf99, 0xfbc), (0xfc6, 0xfc6), (0x102d, 0x1030),
(0x1032, 0x1032), (0x1036, 0x1037), (0x1039, 0x103a),
(0x1058, 0x1059), (0x108d, 0x108d), (0x1160, 0x11ff),
(0x135f, 0x135f), (0x1712, 0x1714), (0x1732, 0x1734),
(0x1752, 0x1753), (0x1772, 0x1773), (0x17b4, 0x17b5),
(0x17b7, 0x17bd), (0x17c6, 0x17c6), (0x17c9, 0x17d3),
(0x17dd, 0x17dd), (0x180b, 0x180d), (0x18a9, 0x18a9),
(0x1920, 0x1922), (0x1927, 0x1928), (0x1932, 0x1932),
(0x1939, 0x193b), (0x1a17, 0x1a18), (0x1a60, 0x1a60),
(0x1a75, 0x1a7c), (0x1a7f, 0x1a7f), (0x1b00, 0x1b03),
(0x1b34, 0x1b34), (0x1b36, 0x1b3a), (0x1b3c, 0x1b3c),
(0x1b42, 0x1b42), (0x1b44, 0x1b44), (0x1b6b, 0x1b73),
(0x1baa, 0x1baa), (0x1c37, 0x1c37), (0x1cd0, 0x1cd2),
(0x1cd4, 0x1ce0), (0x1ce2, 0x1ce8), (0x1ced, 0x1ced),
(0x1dc0, 0x1de6), (0x1dfd, 0x1dff), (0x200b, 0x200f),
(0x202a, 0x202e), (0x2060, 0x2063), (0x206a, 0x206f),
(0x20d0, 0x20f0), (0x2cef, 0x2cf1), (0x2de0, 0x2dff),
(0x302a, 0x302f), (0x3099, 0x309a), (0xa66f, 0xa66f),
(0xa67c, 0xa67d), (0xa6f0, 0xa6f1), (0xa806, 0xa806),
(0xa80b, 0xa80b), (0xa825, 0xa826), (0xa8c4, 0xa8c4),
(0xa8e0, 0xa8f1), (0xa92b, 0xa92d), (0xa953, 0xa953),
(0xa9b3, 0xa9b3), (0xa9c0, 0xa9c0), (0xaab0, 0xaab0),
(0xaab2, 0xaab4), (0xaab7, 0xaab8), (0xaabe, 0xaabf),
(0xaac1, 0xaac1), (0xabed, 0xabed), (0xfb1e, 0xfb1e),
(0xfe00, 0xfe0f), (0xfe20, 0xfe26), (0xfeff, 0xfeff),
(0xfff9, 0xfffb), (0x101fd, 0x101fd), (0x10a01, 0x10a03),
(0x10a05, 0x10a06), (0x10a0c, 0x10a0f), (0x10a38, 0x10a3a),
(0x10a3f, 0x10a3f), (0x110b9, 0x110ba), (0x1d165, 0x1d169),
(0x1d16d, 0x1d182), (0x1d185, 0x1d18b), (0x1d1aa, 0x1d1ad),
(0x1d242, 0x1d244), (0xe0001, 0xe0001), (0xe0020, 0xe007f),
(0xe0100, 0xe01ef), )
def textual_width_list(msg, control_chars="guess", encoding='utf-8', errors='replace'):
msg = to_unicode(msg, encoding, errors=errors)
return list(itertools.starmap(_ucp_width, itertools.izip(itertools.imap(ord, msg), itertools.repeat(control_chars))))
def textual_list(msg, width=10, encoding='utf-8', errors='replace'):
msg = to_unicode(msg, encoding=encoding, errors=errors)
width_list = textual_width_list(msg)
length = len(msg)
star, end, step, value = 0, 0, 0, 0
l = []
for w in width_list:
step += 1
value += w
if value >= width:
star = end
end = step
l.append(msg[star:end])
value = 0
elif step >= length:
star = end
end = step
l.append(msg[star:end])
return l
if __name__ == '__main__':
msg = u"妨碍降低而且恶魔，打大幅打。1，f2dad1lprj/.,21=-=めはせぃなぬそぃぇぃねfae2eaa.;e2eadawd"
l = textual_list(msg, 25)
print "raw_string:", msg
print '-------------------------'
for i in l:
print i
实际效果
原效果
修改后
嘛~
其实也没什么改善的感觉！
mark一下pygame上面找到的方法
http://www.pygame.org/wiki/TextWrapping