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31 lines
857 B
Python
31 lines
857 B
Python
from flask_sqlalchemy import Pagination, BaseQuery
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from flask import abort
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def paginate_faste(self, page=1, per_page=50, max_page=None, step=5):
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if page < 1:
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abort(404)
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if max_page and page > max_page:
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abort(404)
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items = self.limit(per_page).offset((page - 1) * per_page).all()
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if not items and page != 1:
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abort(404)
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# No need to count if we're on the first page and there are fewer
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# items than we expected.
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if page == 1 and len(items) < per_page:
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total = len(items)
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else:
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if max_page:
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total = self.order_by(None).limit(per_page * min((page + step), max_page)).count()
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else:
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total = self.order_by(None).limit(per_page * (page + step)).count()
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return Pagination(self, page, per_page, total, items)
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BaseQuery.paginate_faste = paginate_faste
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