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troggle/core/randSent.py
substantialnoninfringinguser e565a6b73b [svn] Renaming troggle.expo to troggle.core. To do this, used:
perl -p -i -e "s/expo(?=[\s\.']+)/core/g" `find -name \*.py`

and then manually checked each change (had to remove a couple)
2009-07-02 20:43:18 +01:00

33 lines
1.1 KiB
Python

import troggle.settings as settings
from django import forms
from troggle.core.models import LogbookEntry
import random
import re
def weighted_choice(lst):
n = random.uniform(0,1)
for item, weight in lst:
if n < weight:
break
n = n - weight
return item
def randomLogbookSentence():
randSent={}
# needs to handle empty logbooks without crashing
#Choose a random logbook entry
randSent['entry']=LogbookEntry.objects.order_by('?')[0]
#Choose again if there are no sentances (this happens if it is a placeholder entry)
while len(re.findall('[A-Z].*?\.',randSent['entry'].text))==0:
randSent['entry']=LogbookEntry.objects.order_by('?')[0]
#Choose a random sentence from that entry. Store the sentence as randSent['sentence'], and the number of that sentence in the entry as randSent['number']
sentenceList=re.findall('[A-Z].*?\.',randSent['entry'].text)
randSent['number']=random.randrange(0,len(sentenceList))
randSent['sentence']=sentenceList[randSent['number']]
return randSent