common.py
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'''
Created on Nov 7, 2013
@author: mlenart
'''
import codecs
import logging
class EncodedForm(object):
def __init__(self, fromWord, targetWord, lowercase):
assert type(fromWord) == unicode
assert type(targetWord) == unicode
root = u''
for o, b in zip(fromWord, targetWord):
if ((o.lower() == b.lower()) if lowercase else o == b):
root += b
else:
break
self.cutLength = len(fromWord) - len(root)
self.suffixToAdd = targetWord[len(root):]
self.casePattern = [c == c.upper() and c != c.lower() for c in root]
# print fromWord.encode('utf8'), targetWord.encode('utf8'), self.casePattern
class EncodedForm4Generator(object):
def __init__(self, fromWord, targetWord):
assert type(fromWord) == unicode
assert type(targetWord) == unicode
bestEncodedForm = None
bestPrefixLength = -1
for prefixLength in range(min(len(targetWord), 5)):
encodedForm = EncodedForm(fromWord, targetWord[prefixLength:], lowercase=False)
if not bestEncodedForm \
or len(encodedForm.suffixToAdd) + prefixLength < len(bestEncodedForm.suffixToAdd) + bestPrefixLength:
bestEncodedForm = encodedForm
bestPrefixLength = prefixLength
assert bestPrefixLength >= 0
self.cutLength = bestEncodedForm.cutLength
self.suffixToAdd = bestEncodedForm.suffixToAdd
self.prefixToAdd = targetWord[:bestPrefixLength]
# if fromWord == 'BC':
# print self.cutLength
# print self.suffixToAdd
# print self.prefixToAdd, len(self.prefixToAdd)
class Interpretation4Analyzer(object):
def __init__(self, orth, base, tagnum, namenum, typenum, qualifiers):
self.encodedForm = EncodedForm(orth, base, lowercase=True)
self.orthCasePattern = [c == c.upper() and c != c.lower() for c in orth[:len(orth) - self.encodedForm.cutLength]]
self.tagnum = tagnum
self.namenum = namenum
self.typenum = typenum
self.qualifiers = qualifiers
def getSortKey(self):
return (
self.encodedForm.cutLength,
tuple(self.encodedForm.suffixToAdd),
tuple(self.encodedForm.casePattern),
tuple(self.orthCasePattern),
self.tagnum,
self.namenum)
def __eq__(self, other):
if isinstance(other, Interpretation4Analyzer):
return self.getSortKey() == other.getSortKey()
else:
return False
def __hash__(self):
return hash(self.getSortKey())
class Interpretation4Generator(object):
def __init__(self, orth, base, tagnum, namenum, typenum, homonymId, qualifiers):
self.lemma = base
self.encodedForm = EncodedForm4Generator(base, orth)
self.tagnum = tagnum
self.namenum = namenum
self.typenum = typenum
self.homonymId = homonymId
self.qualifiers = qualifiers
def getSortKey(self):
return (
self.homonymId,
self.tagnum,
self.encodedForm.cutLength,
tuple(self.encodedForm.suffixToAdd),
# tuple(self.encodedForm.casePattern),
self.namenum)
def __eq__(self, other):
if isinstance(other, Interpretation4Generator):
return self.getSortKey() == other.getSortKey()
else:
return False
def __hash__(self):
return hash(self.getSortKey())
def __unicode__(self):
return u'<%s,(%d %s),%d,%d>' % (self.lemma.decode('utf8'), self.encodedForm.cutLength, self.encodedForm.suffixToAdd.decode('utf8'), self.tagnum, self.namenum)
def __repr__(self):
return unicode(self)