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pickle_idea.py: Make funciton unfamiliar() more robust #181

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mrlan merged 1 commits from Bug518-Hui into Alpha-snapshot20240618 2024-09-03 11:43:11 +08:00
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1 changed files with 8 additions and 5 deletions
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app/pickle_idea.py
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@ -6,6 +6,7 @@
# Purpose: dictionary & pickle as a simple means of database. # Purpose: dictionary & pickle as a simple means of database.
# Task: incorporate the functions into wordfreqCMD.py such that it will also show cumulative frequency. # Task: incorporate the functions into wordfreqCMD.py such that it will also show cumulative frequency.
import os
import pickle import pickle
from datetime import datetime from datetime import datetime
@ -55,10 +56,12 @@ def save_frequency_to_pickle(d, pickle_fname):
f.close() f.close()
def unfamiliar(path,word): def unfamiliar(path,word):
f = open(path,"rb") if not os.path.exists(path):
return None
with open(path,"rb") as f:
dic = pickle.load(f) dic = pickle.load(f)
dic[word] += [datetime.now().strftime('%Y%m%d%H%M')] dic[word] += [datetime.now().strftime('%Y%m%d%H%M')]
fp = open(path,"wb") with open(path,"wb") as fp:
pickle.dump(dic,fp) pickle.dump(dic,fp)
def familiar(path,word): def familiar(path,word):