86 lines
2.5 KiB
Python
86 lines
2.5 KiB
Python
import logging
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import json
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import os
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import time
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import re
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from nltk.corpus import wordnet
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from app.core.rag.common.file_utils import get_project_base_directory
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class Dealer:
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def __init__(self, redis=None):
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self.lookup_num = 100000000
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self.load_tm = time.time() - 1000000
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self.dictionary = None
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path = os.path.join(get_project_base_directory(), "app/core/rag/res", "synonym.json")
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try:
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self.dictionary = json.load(open(path, 'r'))
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self.dictionary = { (k.lower() if isinstance(k, str) else k): v for k, v in self.dictionary.items() }
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except Exception:
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logging.warning("Missing synonym.json")
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self.dictionary = {}
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if not redis:
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logging.warning(
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"Realtime synonym is disabled, since no redis connection.")
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if not len(self.dictionary.keys()):
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logging.warning("Fail to load synonym")
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self.redis = redis
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self.load()
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def load(self):
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if not self.redis:
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return
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if self.lookup_num < 100:
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return
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tm = time.time()
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if tm - self.load_tm < 3600:
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return
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self.load_tm = time.time()
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self.lookup_num = 0
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d = self.redis.get("kevin_synonyms")
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if not d:
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return
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try:
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d = json.loads(d)
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self.dictionary = d
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except Exception as e:
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logging.error("Fail to load synonym!" + str(e))
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def lookup(self, tk, topn=8):
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if not tk or not isinstance(tk, str):
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return []
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# 1) Check the custom dictionary first (both keys and tk are already lowercase)
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self.lookup_num += 1
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self.load()
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key = re.sub(r"[ \t]+", " ", tk.strip())
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res = self.dictionary.get(key, [])
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if isinstance(res, str):
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res = [res]
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if res: # Found in dictionary → return directly
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return res[:topn]
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# 2) If not found and tk is purely alphabetical → fallback to WordNet
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if re.fullmatch(r"[a-z]+", tk):
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wn_set = {
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re.sub("_", " ", syn.name().split(".")[0])
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for syn in wordnet.synsets(tk)
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}
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wn_set.discard(tk) # Remove the original token itself
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wn_res = [t for t in wn_set if t]
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return wn_res[:topn]
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# 3) Nothing found in either source
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return []
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if __name__ == '__main__':
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dl = Dealer()
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print(dl.dictionary)
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