mmgen/mmgen-wallet
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Fix CJK padding error

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The MMGen Project 2018-05-26 19:31:54 +00:00
commit cf8c6a92ec
Signed by: mmgen
GPG key ID: 3F8B1861E32B7DA2
1 changed files with 7 additions and 4 deletions
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11
mmgen/obj.py
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@ -34,13 +34,16 @@ def is_tw_label(s): return TwLabel(s,on_fail='silent')
def is_wif(s): return WifKey(s,on_fail='silent')
def is_viewkey(s): return ViewKey(s,on_fail='silent')
def truncate_str(s,w):
def truncate_str(s,width): # width = screen width
wide_count = 0
w -= 1
for i in range(len(s)):
wide_count += unicodedata.east_asian_width(s[i]) in ('F','W')
if wide_count + i > w:
return s[:i]
if wide_count + i >= width:
return s[:i] + ('',' ')[
unicodedata.east_asian_width(s[i]) in ('F','W')
and wide_count + i == width]
else: # pad the string to width if necessary
return s + ' '*(width-len(s)-wide_count)
class MMGenObject(object):