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Handle unicode text #131

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Handle unicode text #131

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eaca433
Handle unicode text
feynmanliang Jul 19, 2016
d107a0b
Fix for 3.4
feynmanliang Jul 19, 2016
27c016d
Fixes utf8
feynmanliang Jul 19, 2016
22360a2
Use unicode object
feynmanliang Jul 20, 2016
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4 changes: 2 additions & 2 deletions theanets/recurrent.py
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Original file line number Diff line number Diff line change
Expand Up @@ -81,14 +81,14 @@ class Text(object):
A string containing each character in the alphabet.
'''

def __init__(self, text, alpha=None, min_count=2, unknown='\0'):
def __init__(self, text, alpha=None, min_count=2, unknown=u'\0'):
self.alpha = alpha
if self.alpha is None:
self.alpha = ''.join(sorted(set(
char for char, count in
collections.Counter(text).items()
if char != unknown and count >= min_count)))
self.text = re.sub(r'[^{}]'.format(re.escape(self.alpha)), unknown, text)
self.text = re.sub(unicode(r'[^{}]', 'utf-8').format(re.escape(self.alpha)), unknown, text)
assert unknown not in self.alpha
self._rev_index = unknown + self.alpha
self._fwd_index = dict(zip(self._rev_index, range(1 + len(self.alpha))))
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