Source code for allensdk.api.queries.rma_pager

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import functools


[docs]class RmaPager(object): def __init__(self): pass
[docs] @staticmethod def pager(fn, *args, **kwargs): total_rows = kwargs.pop('total_rows', None) num_rows = kwargs.get('num_rows', None) if total_rows == 'all': start_row = 0 result_count = num_rows kwargs = kwargs kwargs['count'] = False while result_count == num_rows: kwargs['start_row'] = start_row data = fn(*args, **kwargs) start_row = start_row + num_rows result_count = len(data) for r in data: yield r else: start_row = 0 kwargs = kwargs kwargs['count'] = False while start_row < total_rows: kwargs['start_row'] = start_row data = fn(*args, **kwargs) result_count = len(data) start_row = start_row + result_count for r in data: yield r
[docs]def pageable(total_rows=None, num_rows=None): def decor(func): decor.total_rows=total_rows decor.num_rows=num_rows @functools.wraps(func) def w(*args, **kwargs): if decor.num_rows and not 'num_rows' in kwargs: kwargs['num_rows'] = decor.num_rows if decor.total_rows and not 'total_rows' in kwargs: kwargs['total_rows'] = decor.total_rows result = RmaPager.pager(func, *args, **kwargs) return result return w return decor