jitenbot/bot/entries/smk8/phrase_entry.py

65 lines
2.1 KiB
Python
Raw Permalink Normal View History

import re
import bot.entries.base.expressions as Expressions
from bot.data import load_phrase_readings
from bot.entries.smk8.base_entry import BaseEntry
class PhraseEntry(BaseEntry):
def __init__(self, target, entry_id):
super().__init__(target, entry_id)
self.__phrase_readings = load_phrase_readings(self.target)
def get_part_of_speech_tags(self):
# phrase entries do not contain these tags
return []
def _get_headwords(self):
soup = self.get_page_soup()
headwords = {}
expressions = self._find_expressions(soup)
readings = self._find_readings()
for idx, expression in enumerate(expressions):
reading = readings[idx]
if reading in headwords:
headwords[reading].append(expression)
else:
headwords[reading] = [expression]
return headwords
def _find_expressions(self, soup):
self._delete_unused_nodes(soup)
self._fill_alts(soup)
text = soup.find("標準表記").text
text = self._clean_expression(text)
alternatives = parse_phrase(text)
expressions = []
for alt in alternatives:
for exp in Expressions.expand_abbreviation(alt):
expressions.append(exp)
return expressions
def _find_readings(self):
text = self.__phrase_readings[self.entry_id]
alternatives = parse_phrase(text)
readings = []
for alt in alternatives:
for reading in Expressions.expand_abbreviation(alt):
readings.append(reading)
return readings
def parse_phrase(text):
"""Return a list of strings described by △ notation."""
match = re.search(r"△([^]+)([^]+)", text)
if match is None:
return [text]
alt_parts = [match.group(1)]
for alt_part in match.group(2).split(""):
alt_parts.append(alt_part)
alts = []
for alt_part in alt_parts:
alt_exp = re.sub(r"△[^]+[^]+", alt_part, text)
alts.append(alt_exp)
return alts