common.py 2.21 KB
'''
Created on Nov 7, 2013

@author: mlenart
'''

import codecs
import logging

class EncodedForm(object):
    
    def __init__(self, fromWord, targetWord):
        assert type(fromWord) == unicode
        assert type(targetWord) == unicode
        root = u''
        for o, b in zip(fromWord, targetWord):
            if o.lower() == b.lower():
                root += b
            else:
                break
        self.cutLength = len(fromWord) - len(root)
        self.suffixToAdd = targetWord[len(root):]
        self.casePattern = [c == c.upper() for c in root]

class Interpretation(object):
    
    def __init__(self, orth, base, tagnum, namenum, typenum):
        self.lemma = EncodedForm(orth, base)
        self.tagnum = tagnum
        self.namenum = namenum
        self.typenum = typenum
    
    def getSortKey(self):
        return (
                self.lemma.cutLength, 
                tuple(self.lemma.suffixToAdd), 
                tuple(self.lemma.casePattern), 
                self.tagnum, 
                self.namenum)
    
    def __eq__(self, other):
        if isinstance(other, Interpretation):
            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):
        self.lemma = base
        self.orth = EncodedForm(base, orth)
        self.tagnum = tagnum
        self.namenum = namenum
    
    def getSortKey(self):
        return (
                self.tagnum,
                self.orth.cutLength, 
                tuple(self.orth.suffixToAdd), 
#                 tuple(self.lemma.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.orth.cutLength, self.orth.suffixToAdd.decode('utf8'), self.tagnum, self.namenum)
    
    def __repr__(self):
        return unicode(self)