spaCy/spacy/util.py

63 lines
1.8 KiB
Python

import os
from os import path
import codecs
import json
import re
DATA_DIR = path.join(path.dirname(__file__), '..', 'data')
def utf8open(loc, mode='r'):
return codecs.open(loc, mode, 'utf8')
def read_lang_data(name):
data_dir = path.join(DATA_DIR, name)
tokenization = read_tokenization(data_dir)
prefix = read_prefix(data_dir)
suffix = read_suffix(data_dir)
lex_loc = path.join(data_dir, 'lexemes.json')
if path.exists(lex_loc):
with open(lex_loc) as file_:
lexemes = ujson.load(file_)
else:
lexemes = []
return tokenization, prefix, suffix, lexemes
def read_prefix(data_dir):
with utf8open(path.join(data_dir, 'prefix')) as file_:
entries = file_.read().split('\n')
expression = '|'.join(['^' + re.escape(piece) for piece in entries])
return expression
def read_suffix(data_dir):
with utf8open(path.join(data_dir, 'suffix')) as file_:
entries = file_.read().split('\n')
expression = '|'.join([re.escape(piece) + '$' for piece in entries])
return expression
def read_tokenization(lang):
loc = path.join(DATA_DIR, lang, 'tokenization')
entries = []
seen = set()
with utf8open(loc) as file_:
for line in file_:
line = line.strip()
if line.startswith('#'):
continue
if not line:
continue
pieces = line.split()
chunk = pieces.pop(0)
assert chunk not in seen, chunk
seen.add(chunk)
entries.append((chunk, list(pieces)))
if chunk[0].isalpha() and chunk[0].islower():
chunk = chunk[0].title() + chunk[1:]
pieces[0] = pieces[0][0].title() + pieces[0][1:]
seen.add(chunk)
entries.append((chunk, pieces))
return entries