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annotate planemo/lib/python3.7/site-packages/boto/sdb/queryresultset.py @ 0:d30785e31577 draft

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"planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
author guerler
date Fri, 31 Jul 2020 00:18:57 -0400
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d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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1 from boto.compat import six
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2 # Copyright (c) 2006,2007 Mitch Garnaat http://garnaat.org/
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3 #
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4 # Permission is hereby granted, free of charge, to any person obtaining a
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5 # copy of this software and associated documentation files (the
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6 # "Software"), to deal in the Software without restriction, including
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7 # without limitation the rights to use, copy, modify, merge, publish, dis-
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8 # tribute, sublicense, and/or sell copies of the Software, and to permit
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9 # persons to whom the Software is furnished to do so, subject to the fol-
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10 # lowing conditions:
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11 #
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12 # The above copyright notice and this permission notice shall be included
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13 # in all copies or substantial portions of the Software.
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14 #
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15 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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16 # OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
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17 # ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
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18 # SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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19 # WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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20 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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21 # IN THE SOFTWARE.
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22
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23 def query_lister(domain, query='', max_items=None, attr_names=None):
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24 more_results = True
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25 num_results = 0
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26 next_token = None
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27 while more_results:
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28 rs = domain.connection.query_with_attributes(domain, query, attr_names,
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29 next_token=next_token)
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30 for item in rs:
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31 if max_items:
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32 if num_results == max_items:
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33 raise StopIteration
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34 yield item
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35 num_results += 1
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36 next_token = rs.next_token
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37 more_results = next_token is not None
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38
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39 class QueryResultSet(object):
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40
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41 def __init__(self, domain=None, query='', max_items=None, attr_names=None):
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42 self.max_items = max_items
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43 self.domain = domain
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44 self.query = query
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45 self.attr_names = attr_names
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46
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47 def __iter__(self):
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48 return query_lister(self.domain, self.query, self.max_items, self.attr_names)
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49
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50 def select_lister(domain, query='', max_items=None):
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51 more_results = True
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52 num_results = 0
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53 next_token = None
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54 while more_results:
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55 rs = domain.connection.select(domain, query, next_token=next_token)
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56 for item in rs:
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57 if max_items:
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58 if num_results == max_items:
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59 raise StopIteration
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60 yield item
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61 num_results += 1
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62 next_token = rs.next_token
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63 more_results = next_token is not None
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64
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65 class SelectResultSet(object):
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66
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67 def __init__(self, domain=None, query='', max_items=None,
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68 next_token=None, consistent_read=False):
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69 self.domain = domain
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70 self.query = query
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71 self.consistent_read = consistent_read
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72 self.max_items = max_items
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73 self.next_token = next_token
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74
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75 def __iter__(self):
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76 more_results = True
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77 num_results = 0
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78 while more_results:
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79 rs = self.domain.connection.select(self.domain, self.query,
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80 next_token=self.next_token,
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81 consistent_read=self.consistent_read)
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82 for item in rs:
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83 if self.max_items and num_results >= self.max_items:
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84 raise StopIteration
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85 yield item
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86 num_results += 1
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87 self.next_token = rs.next_token
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88 if self.max_items and num_results >= self.max_items:
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89 raise StopIteration
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90 more_results = self.next_token is not None
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91
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92 def next(self):
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93 return next(self.__iter__())