102 lines
3.1 KiB
Python
102 lines
3.1 KiB
Python
import lzma
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import pickle
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from collections import Counter
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def words(filename):
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with lzma.open(filename, mode='rt', encoding='utf-8') as fid:
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for line in fid:
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separated = line.split('\t')
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prefix = separated[6].replace(r'\n', ' ')
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suffix = separated[7].replace(r'\n', ' ')
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text = prefix + ' ' + suffix
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for word in text.split():
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yield word
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def bigrams(filename, V):
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V = [word for word, count in V]
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with lzma.open(filename, mode='rt', encoding='utf-8') as fid:
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for line in fid:
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separated = line.split('\t')
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prefix = separated[6].replace(r'\n', ' ')
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suffix = separated[7].replace(r'\n', ' ')
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text = prefix + ' ' + suffix
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previous = ''
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for word in text.split():
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if word in V and previous in V:
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yield previous, word
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previous = word
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def P(previous_word, word):
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if word not in V:
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return 0
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if (previous_word, word) not in V2:
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return 0
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return V2[(previous_word, word)] / V[word]
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def candidates(w1, w3):
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cand = {}
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for w2 in V:
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cand[w2] = P(w1, w2) * P(w2, w3)
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cand = sorted(list(cand.items()), key=lambda x: x[1], reverse=True)[:5]
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try:
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norm = [(x[0], float(x[1]) / sum([y[1] for y in cand])) for x in cand]
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except ZeroDivisionError:
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norm = [(x[0], 0.2) for x in cand]
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norm[-1] = ('', norm[-1][1])
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return ' '.join([f'{x[0]}:{x[1]}' for x in norm])
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# WORD_LIMIT = 5000
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#
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# V = Counter(words('train/in.tsv.xz'))
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# V = V.most_common(WORD_LIMIT)
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# with open('V.pickle', 'wb') as handle:
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# pickle.dump(V, handle, protocol=pickle.HIGHEST_PROTOCOL)
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# V2 = Counter(bigrams('train/in.tsv.xz', V))
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# print(V2.most_common(100))
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# with open('V2.pickle', 'wb') as handle:
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# pickle.dump(V2, handle, protocol=pickle.HIGHEST_PROTOCOL)
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with open('V.pickle', 'rb') as handle:
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V_tuple = pickle.load(handle)
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V = {}
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for key, value in V_tuple:
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V[key] = value
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with open('V2.pickle', 'rb') as handle:
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V2 = pickle.load(handle)
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with lzma.open('dev-0/in.tsv.xz', mode='rt', encoding='utf-8') as fid:
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with open('dev-0/out.tsv', 'w', encoding='utf-8') as f:
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for line in fid:
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separated = line.split('\t')
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prefix = separated[6].replace(r'\n', ' ')
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suffix = separated[7].replace(r'\n', ' ')
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w1 = prefix.split()[-1]
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w3 = suffix.split()[0]
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w2 = candidates(w1, w3)
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print(w1)
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print(w2)
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print(w3)
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f.write(w2 + '\n')
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with lzma.open('test-A/in.tsv.xz', mode='rt', encoding='utf-8') as fid:
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with open('test-A/out.tsv', 'w', encoding='utf-8') as f:
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for line in fid:
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separated = line.split('\t')
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prefix = separated[6].replace(r'\n', ' ')
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suffix = separated[7].replace(r'\n', ' ')
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w1 = prefix.split()[-1]
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w3 = suffix.split()[0]
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w2 = candidates(w1, w3)
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print(w1)
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print(w2)
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print(w3)
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f.write(w2 + '\n')
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