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Add an error message when unidecode is not installed. The message is displayed only one time

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This commit is contained in:
Romain Giot 2013-10-03 09:11:36 +02:00
parent a150220cf2
commit 449255a060
1 changed files with 8 additions and 2 deletions
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10
plugin/UltiSnips/text_objects/_transformation.py
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@ -2,9 +2,12 @@
# encoding: utf-8 # encoding: utf-8
import re import re
import sys
from UltiSnips.text_objects._mirror import Mirror from UltiSnips.text_objects._mirror import Mirror
# flag used to display only one time the lack of unidecode
UNIDECODE_ALERT_RAISED = False
class _CleverReplace(object): class _CleverReplace(object):
""" """
This class mimics TextMates replace syntax This class mimics TextMates replace syntax
@ -121,12 +124,15 @@ class TextObjectTransformation(object):
self._replace = _CleverReplace(token.replace) self._replace = _CleverReplace(token.replace)
def _transform(self, text): def _transform(self, text):
global UNIDECODE_ALERT_RAISED
if self._convert_to_ascii: if self._convert_to_ascii:
try: try:
import unidecode import unidecode
text = unidecode.unidecode(text) text = unidecode.unidecode(text)
except Exception, e: except Exception, e:
pass if UNIDECODE_ALERT_RAISED == False:
UNIDECODE_ALERT_RAISED = True
sys.stderr.write("Please install unidecode python package in order to be able to make ascii conversions.\n")
if self._find is None: if self._find is None:
return text return text
return self._find.subn(self._replace.replace, text, self._match_this_many)[0] return self._find.subn(self._replace.replace, text, self._match_this_many)[0]