Mercurial > repos > guerler > springsuite

annotate planemo/lib/python3.7/site-packages/boto/gs/bucketlistresultset.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 # Copyright 2012 Google Inc.
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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 versioned_bucket_lister(bucket, prefix='', delimiter='',
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24 marker='', generation_marker='', headers=None):
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25 """
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26 A generator function for listing versioned objects.
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27 """
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28 more_results = True
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29 k = None
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30 while more_results:
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31 rs = bucket.get_all_versions(prefix=prefix, marker=marker,
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32 generation_marker=generation_marker,
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33 delimiter=delimiter, headers=headers,
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34 max_keys=999)
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35 for k in rs:
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36 yield k
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37 marker = rs.next_marker
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38 generation_marker = rs.next_generation_marker
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39 more_results= rs.is_truncated
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40
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41 class VersionedBucketListResultSet(object):
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42 """
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43 A resultset for listing versions within a bucket. Uses the bucket_lister
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44 generator function and implements the iterator interface. This
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45 transparently handles the results paging from GCS so even if you have
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46 many thousands of keys within the bucket you can iterate over all
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47 keys in a reasonably efficient manner.
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48 """
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49
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50 def __init__(self, bucket=None, prefix='', delimiter='', marker='',
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51 generation_marker='', headers=None):
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52 self.bucket = bucket
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53 self.prefix = prefix
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54 self.delimiter = delimiter
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55 self.marker = marker
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56 self.generation_marker = generation_marker
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57 self.headers = headers
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58
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59 def __iter__(self):
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60 return versioned_bucket_lister(self.bucket, prefix=self.prefix,
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61 delimiter=self.delimiter,
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62 marker=self.marker,
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63 generation_marker=self.generation_marker,
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64 headers=self.headers)