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supertag_reader.py
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supertag_reader.py
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import re
import sys
from dataclasses import dataclass, field
from typing import Dict, List, Iterable
from tqdm import tqdm
# from attr import dataclass, field
regex = r"<L\s*(\S+)\s*\S+\s*\S+\s+(\S+)[^>]*>"
@dataclass
class Sentence:
words: list[str] = field(default_factory=list)
supertags: list[str] = field(default_factory=list)
def add(self, word, supertag):
self.words.append(word)
self.supertags.append(supertag)
def is_empty(self):
return len(self.words) == 0
@dataclass
class Corpus:
sentences: list[Sentence] = field(default_factory=list)
def as_dict(self) -> dict[str, list[list[str]]]:
return {
"words": [sent.words for sent in self.sentences],
"supertags": [sent.supertags for sent in self.sentences]
}
def read_corpus(corpus_files:Iterable[str]) -> Corpus:
"""
Call me on a list of filenames in ccgbank*/data/AUTO.
:param corpus_files:
:return:
"""
ret = Corpus()
for filename in tqdm(corpus_files):
# print(f"Processing {filename} ...")
with open(filename, "r") as f:
for line in f:
sentence_here = Sentence()
matches = re.finditer(regex, line.strip(), re.MULTILINE)
for match in matches:
sentence_here.add(match.group(2), match.group(1))
if not sentence_here.is_empty(): # skip ID lines
ret.sentences.append(sentence_here)
return ret
if __name__ == "__main__":
corpus = read_corpus(sys.argv[1:])
print(f"Read {len(corpus.sentences)} sentences.")
print(corpus.sentences[0])