94 lines
3.6 KiB
Python
94 lines
3.6 KiB
Python
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from boto.compat import six
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# Copyright (c) 2006,2007 Mitch Garnaat http://garnaat.org/
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish, dis-
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# tribute, sublicense, and/or sell copies of the Software, and to permit
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# persons to whom the Software is furnished to do so, subject to the fol-
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# lowing conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
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# ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
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# SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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# IN THE SOFTWARE.
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def query_lister(domain, query='', max_items=None, attr_names=None):
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more_results = True
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num_results = 0
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next_token = None
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while more_results:
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rs = domain.connection.query_with_attributes(domain, query, attr_names,
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next_token=next_token)
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for item in rs:
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if max_items:
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if num_results == max_items:
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raise StopIteration
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yield item
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num_results += 1
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next_token = rs.next_token
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more_results = next_token is not None
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class QueryResultSet(object):
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def __init__(self, domain=None, query='', max_items=None, attr_names=None):
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self.max_items = max_items
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self.domain = domain
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self.query = query
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self.attr_names = attr_names
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def __iter__(self):
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return query_lister(self.domain, self.query, self.max_items, self.attr_names)
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def select_lister(domain, query='', max_items=None):
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more_results = True
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num_results = 0
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next_token = None
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while more_results:
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rs = domain.connection.select(domain, query, next_token=next_token)
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for item in rs:
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if max_items:
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if num_results == max_items:
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raise StopIteration
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yield item
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num_results += 1
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next_token = rs.next_token
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more_results = next_token is not None
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class SelectResultSet(object):
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def __init__(self, domain=None, query='', max_items=None,
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next_token=None, consistent_read=False):
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self.domain = domain
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self.query = query
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self.consistent_read = consistent_read
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self.max_items = max_items
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self.next_token = next_token
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def __iter__(self):
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more_results = True
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num_results = 0
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while more_results:
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rs = self.domain.connection.select(self.domain, self.query,
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next_token=self.next_token,
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consistent_read=self.consistent_read)
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for item in rs:
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if self.max_items and num_results >= self.max_items:
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raise StopIteration
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yield item
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num_results += 1
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self.next_token = rs.next_token
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if self.max_items and num_results >= self.max_items:
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raise StopIteration
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more_results = self.next_token is not None
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def next(self):
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return next(self.__iter__())
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