30 lines
1.6 KiB
Python
30 lines
1.6 KiB
Python
from loader import dmt
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def calc_intervals(posts):
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firstpost = dmt(posts).reduce(lambda acc, e: acc if acc < e['CreationDate'] else e['CreationDate'], lambda acc, e: acc if acc < e else e, lambda: posts[0]['CreationDate'], "firstpost").getresults()
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lastpost = dmt(posts).reduce(lambda acc, e: acc if acc > e['CreationDate'] else e['CreationDate'], lambda acc, e: acc if acc > e else e, lambda: posts[0]['CreationDate'], "lastpost").getresults()
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# calc quarter beginning
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firstpost = firstpost.replace(day=1, hour=0, minute=0, second=0, microsecond=0)
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if firstpost.month not in (1, 4, 7, 10):
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firstpost = firstpost.replace(month={1: 1, 2: 1, 3: 1, 4: 4, 5: 4, 6: 4, 7: 7, 8: 7, 9: 7, 10: 10, 11: 10, 12: 10}[firstpost.month])
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lastpost = lastpost.replace(day=1, hour=0, minute=0, second=0, microsecond=0)
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if lastpost.month not in (1, 4, 7, 10):
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lastpost = lastpost.replace(month={1: 1, 2: 1, 3: 1, 4: 4, 5: 4, 6: 4, 7: 7, 8: 7, 9: 7, 10: 10, 11: 10, 12: 10}[lastpost.month])
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# add 3 months to last post
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if lastpost.month == 10:
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lastpost = lastpost.replace(month=1, year=lastpost.year + 1)
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else:
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lastpost = lastpost.replace(month=lastpost.month + 3)
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cdate = firstpost
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intervals = []
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while cdate < lastpost:
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nextquarter = cdate.replace(month=(cdate.month + 3) % 12, year=cdate.year + (0 if cdate.month + 3 < 12 else 1))
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print("adding interval: " + cdate.strftime("%d-%m-%Y") + " - " + nextquarter.strftime("%d-%m-%Y"))
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intervals.append((cdate, nextquarter))
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cdate = nextquarter
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# sys.exit(0)
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return intervals
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