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from app import db, crontab
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from app.models.program import Program
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from datetime import datetime
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@crontab.job(minute="0", hour="4")
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def update_progrank():
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for p in Program.query.all():
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p.progrank = 0
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p.progrank_date = datetime.now()
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db.session.merge(p)
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db.session.commit()
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