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annotate planemo/lib/python3.7/site-packages/boto/sdb/db/manager/sdbmanager.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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1 # Copyright (c) 2006,2007,2008 Mitch Garnaat http://garnaat.org/
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2 # Copyright (c) 2010 Chris Moyer http://coredumped.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 import boto
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23 import re
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24 from boto.utils import find_class
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25 import uuid
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26 from boto.sdb.db.key import Key
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27 from boto.sdb.db.blob import Blob
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28 from boto.sdb.db.property import ListProperty, MapProperty
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29 from datetime import datetime, date, time
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30 from boto.exception import SDBPersistenceError, S3ResponseError
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31 from boto.compat import map, six, long_type
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32
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33 ISO8601 = '%Y-%m-%dT%H:%M:%SZ'
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34
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35
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36 class TimeDecodeError(Exception):
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37 pass
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38
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39
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40 class SDBConverter(object):
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41 """
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42 Responsible for converting base Python types to format compatible
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43 with underlying database. For SimpleDB, that means everything
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44 needs to be converted to a string when stored in SimpleDB and from
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45 a string when retrieved.
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46
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47 To convert a value, pass it to the encode or decode method. The
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48 encode method will take a Python native value and convert to DB
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49 format. The decode method will take a DB format value and convert
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50 it to Python native format. To find the appropriate method to
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51 call, the generic encode/decode methods will look for the
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52 type-specific method by searching for a method
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53 called"encode_<type name>" or "decode_<type name>".
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54 """
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55 def __init__(self, manager):
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56 # Do a delayed import to prevent possible circular import errors.
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57 from boto.sdb.db.model import Model
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58 self.model_class = Model
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59 self.manager = manager
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60 self.type_map = {bool: (self.encode_bool, self.decode_bool),
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61 int: (self.encode_int, self.decode_int),
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62 float: (self.encode_float, self.decode_float),
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63 self.model_class: (
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64 self.encode_reference, self.decode_reference
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65 ),
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66 Key: (self.encode_reference, self.decode_reference),
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67 datetime: (self.encode_datetime, self.decode_datetime),
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68 date: (self.encode_date, self.decode_date),
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69 time: (self.encode_time, self.decode_time),
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70 Blob: (self.encode_blob, self.decode_blob),
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71 str: (self.encode_string, self.decode_string),
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72 }
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73 if six.PY2:
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74 self.type_map[long] = (self.encode_long, self.decode_long)
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75
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76 def encode(self, item_type, value):
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77 try:
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78 if self.model_class in item_type.mro():
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79 item_type = self.model_class
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80 except:
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81 pass
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82 if item_type in self.type_map:
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83 encode = self.type_map[item_type][0]
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84 return encode(value)
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85 return value
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86
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87 def decode(self, item_type, value):
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88 if item_type in self.type_map:
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89 decode = self.type_map[item_type][1]
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90 return decode(value)
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91 return value
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92
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93 def encode_list(self, prop, value):
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94 if value in (None, []):
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95 return []
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96 if not isinstance(value, list):
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97 # This is a little trick to avoid encoding when it's just a single value,
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98 # since that most likely means it's from a query
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99 item_type = getattr(prop, "item_type")
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100 return self.encode(item_type, value)
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101 # Just enumerate(value) won't work here because
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102 # we need to add in some zero padding
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103 # We support lists up to 1,000 attributes, since
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104 # SDB technically only supports 1024 attributes anyway
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105 values = {}
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106 for k, v in enumerate(value):
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107 values["%03d" % k] = v
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108 return self.encode_map(prop, values)
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109
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110 def encode_map(self, prop, value):
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111 import urllib
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112 if value is None:
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113 return None
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114 if not isinstance(value, dict):
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115 raise ValueError('Expected a dict value, got %s' % type(value))
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116 new_value = []
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117 for key in value:
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118 item_type = getattr(prop, "item_type")
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119 if self.model_class in item_type.mro():
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120 item_type = self.model_class
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121 encoded_value = self.encode(item_type, value[key])
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122 if encoded_value is not None:
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123 new_value.append('%s:%s' % (urllib.quote(key), encoded_value))
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124 return new_value
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125
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126 def encode_prop(self, prop, value):
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127 if isinstance(prop, ListProperty):
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128 return self.encode_list(prop, value)
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129 elif isinstance(prop, MapProperty):
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130 return self.encode_map(prop, value)
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131 else:
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132 return self.encode(prop.data_type, value)
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133
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134 def decode_list(self, prop, value):
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135 if not isinstance(value, list):
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136 value = [value]
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137 if hasattr(prop, 'item_type'):
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138 item_type = getattr(prop, "item_type")
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139 dec_val = {}
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140 for val in value:
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141 if val is not None:
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142 k, v = self.decode_map_element(item_type, val)
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143 try:
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144 k = int(k)
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145 except:
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146 k = v
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147 dec_val[k] = v
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148 value = dec_val.values()
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149 return value
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150
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151 def decode_map(self, prop, value):
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152 if not isinstance(value, list):
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153 value = [value]
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154 ret_value = {}
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155 item_type = getattr(prop, "item_type")
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156 for val in value:
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157 k, v = self.decode_map_element(item_type, val)
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158 ret_value[k] = v
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159 return ret_value
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160
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161 def decode_map_element(self, item_type, value):
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162 """Decode a single element for a map"""
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163 import urllib
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164 key = value
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165 if ":" in value:
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166 key, value = value.split(':', 1)
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167 key = urllib.unquote(key)
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168 if self.model_class in item_type.mro():
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169 value = item_type(id=value)
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170 else:
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171 value = self.decode(item_type, value)
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172 return (key, value)
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173
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174 def decode_prop(self, prop, value):
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175 if isinstance(prop, ListProperty):
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176 return self.decode_list(prop, value)
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177 elif isinstance(prop, MapProperty):
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178 return self.decode_map(prop, value)
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179 else:
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180 return self.decode(prop.data_type, value)
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181
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182 def encode_int(self, value):
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183 value = int(value)
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184 value += 2147483648
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185 return '%010d' % value
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186
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187 def decode_int(self, value):
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188 try:
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189 value = int(value)
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190 except:
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191 boto.log.error("Error, %s is not an integer" % value)
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192 value = 0
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193 value = int(value)
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194 value -= 2147483648
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195 return int(value)
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196
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197 def encode_long(self, value):
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198 value = long_type(value)
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199 value += 9223372036854775808
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200 return '%020d' % value
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201
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202 def decode_long(self, value):
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203 value = long_type(value)
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204 value -= 9223372036854775808
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205 return value
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206
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207 def encode_bool(self, value):
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208 if value == True or str(value).lower() in ("true", "yes"):
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209 return 'true'
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210 else:
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211 return 'false'
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212
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213 def decode_bool(self, value):
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214 if value.lower() == 'true':
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215 return True
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216 else:
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217 return False
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218
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219 def encode_float(self, value):
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220 """
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221 See http://tools.ietf.org/html/draft-wood-ldapext-float-00.
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222 """
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223 s = '%e' % value
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224 l = s.split('e')
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225 mantissa = l[0].ljust(18, '0')
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226 exponent = l[1]
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227 if value == 0.0:
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228 case = '3'
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229 exponent = '000'
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230 elif mantissa[0] != '-' and exponent[0] == '+':
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231 case = '5'
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232 exponent = exponent[1:].rjust(3, '0')
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233 elif mantissa[0] != '-' and exponent[0] == '-':
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234 case = '4'
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235 exponent = 999 + int(exponent)
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236 exponent = '%03d' % exponent
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237 elif mantissa[0] == '-' and exponent[0] == '-':
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238 case = '2'
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239 mantissa = '%f' % (10 + float(mantissa))
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240 mantissa = mantissa.ljust(18, '0')
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241 exponent = exponent[1:].rjust(3, '0')
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242 else:
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243 case = '1'
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244 mantissa = '%f' % (10 + float(mantissa))
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245 mantissa = mantissa.ljust(18, '0')
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246 exponent = 999 - int(exponent)
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247 exponent = '%03d' % exponent
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248 return '%s %s %s' % (case, exponent, mantissa)
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249
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250 def decode_float(self, value):
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251 case = value[0]
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252 exponent = value[2:5]
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253 mantissa = value[6:]
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254 if case == '3':
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255 return 0.0
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256 elif case == '5':
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257 pass
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258 elif case == '4':
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diff changeset
259 exponent = '%03d' % (int(exponent) - 999)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
260 elif case == '2':
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
261 mantissa = '%f' % (float(mantissa) - 10)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
262 exponent = '-' + exponent
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
263 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
264 mantissa = '%f' % (float(mantissa) - 10)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
265 exponent = '%03d' % abs((int(exponent) - 999))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
266 return float(mantissa + 'e' + exponent)
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guerler
parents:
diff changeset
267
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
268 def encode_datetime(self, value):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
269 if isinstance(value, six.string_types):
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parents:
diff changeset
270 return value
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
271 if isinstance(value, datetime):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
272 return value.strftime(ISO8601)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
273 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
274 return value.isoformat()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
275
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
276 def decode_datetime(self, value):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
277 """Handles both Dates and DateTime objects"""
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
278 if value is None:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
279 return value
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
280 try:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
281 if "T" in value:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
282 if "." in value:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
283 # Handle true "isoformat()" dates, which may have a microsecond on at the end of them
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guerler
parents:
diff changeset
284 return datetime.strptime(value.split(".")[0], "%Y-%m-%dT%H:%M:%S")
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
285 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
286 return datetime.strptime(value, ISO8601)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
287 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
288 value = value.split("-")
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
289 return date(int(value[0]), int(value[1]), int(value[2]))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
290 except Exception:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
291 return None
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
292
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
293 def encode_date(self, value):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
294 if isinstance(value, six.string_types):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
295 return value
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
296 return value.isoformat()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
297
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
298 def decode_date(self, value):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
299 try:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
300 value = value.split("-")
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
301 return date(int(value[0]), int(value[1]), int(value[2]))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
302 except:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
303 return None
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
304
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
305 encode_time = encode_date
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
306
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
307 def decode_time(self, value):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
308 """ converts strings in the form of HH:MM:SS.mmmmmm
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
309 (created by datetime.time.isoformat()) to
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
310 datetime.time objects.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
311
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
312 Timzone-aware strings ("HH:MM:SS.mmmmmm+HH:MM") won't
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
313 be handled right now and will raise TimeDecodeError.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
314 """
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
315 if '-' in value or '+' in value:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
316 # TODO: Handle tzinfo
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
317 raise TimeDecodeError("Can't handle timezone aware objects: %r" % value)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
318 tmp = value.split('.')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
319 arg = map(int, tmp[0].split(':'))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
320 if len(tmp) == 2:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
321 arg.append(int(tmp[1]))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
322 return time(*arg)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
323
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
324 def encode_reference(self, value):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
325 if value in (None, 'None', '', ' '):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
326 return None
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
327 if isinstance(value, six.string_types):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
328 return value
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
329 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
330 return value.id
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
331
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
332 def decode_reference(self, value):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
333 if not value or value == "None":
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
334 return None
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
335 return value
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
336
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
337 def encode_blob(self, value):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
338 if not value:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
339 return None
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
340 if isinstance(value, six.string_types):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
341 return value
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
342
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
343 if not value.id:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
344 bucket = self.manager.get_blob_bucket()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
345 key = bucket.new_key(str(uuid.uuid4()))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
346 value.id = "s3://%s/%s" % (key.bucket.name, key.name)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
347 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
348 match = re.match("^s3:\/\/([^\/]*)\/(.*)$", value.id)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
349 if match:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
350 s3 = self.manager.get_s3_connection()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
351 bucket = s3.get_bucket(match.group(1), validate=False)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
352 key = bucket.get_key(match.group(2))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
353 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
354 raise SDBPersistenceError("Invalid Blob ID: %s" % value.id)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
355
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
356 if value.value is not None:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
357 key.set_contents_from_string(value.value)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
358 return value.id
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
359
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
360 def decode_blob(self, value):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
361 if not value:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
362 return None
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
363 match = re.match("^s3:\/\/([^\/]*)\/(.*)$", value)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
364 if match:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
365 s3 = self.manager.get_s3_connection()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
366 bucket = s3.get_bucket(match.group(1), validate=False)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
367 try:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
368 key = bucket.get_key(match.group(2))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
369 except S3ResponseError as e:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
370 if e.reason != "Forbidden":
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
371 raise
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
372 return None
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
373 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
374 return None
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
375 if key:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
376 return Blob(file=key, id="s3://%s/%s" % (key.bucket.name, key.name))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
377 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
378 return None
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
379
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
380 def encode_string(self, value):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
381 """Convert ASCII, Latin-1 or UTF-8 to pure Unicode"""
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
382 if not isinstance(value, str):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
383 return value
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
384 try:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
385 return six.text_type(value, 'utf-8')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
386 except:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
387 # really, this should throw an exception.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
388 # in the interest of not breaking current
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
389 # systems, however:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
390 arr = []
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
391 for ch in value:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
392 arr.append(six.unichr(ord(ch)))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
393 return u"".join(arr)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
394
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
395 def decode_string(self, value):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
396 """Decoding a string is really nothing, just
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
397 return the value as-is"""
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
398 return value
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
399
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
400
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
401 class SDBManager(object):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
402
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
403 def __init__(self, cls, db_name, db_user, db_passwd,
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
404 db_host, db_port, db_table, ddl_dir, enable_ssl,
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
405 consistent=None):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
406 self.cls = cls
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
407 self.db_name = db_name
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
408 self.db_user = db_user
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
409 self.db_passwd = db_passwd
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
410 self.db_host = db_host
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
411 self.db_port = db_port
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
412 self.db_table = db_table
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
413 self.ddl_dir = ddl_dir
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
414 self.enable_ssl = enable_ssl
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
415 self.s3 = None
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
416 self.bucket = None
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
417 self.converter = SDBConverter(self)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
418 self._sdb = None
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
419 self._domain = None
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
420 if consistent is None and hasattr(cls, "__consistent__"):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
421 consistent = cls.__consistent__
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
422 self.consistent = consistent
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
423
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
424 @property
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
425 def sdb(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
426 if self._sdb is None:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
427 self._connect()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
428 return self._sdb
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
429
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
430 @property
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
431 def domain(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
432 if self._domain is None:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
433 self._connect()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
434 return self._domain
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
435
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
436 def _connect(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
437 args = dict(aws_access_key_id=self.db_user,
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
438 aws_secret_access_key=self.db_passwd,
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
439 is_secure=self.enable_ssl)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
440 try:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
441 region = [x for x in boto.sdb.regions() if x.endpoint == self.db_host][0]
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
442 args['region'] = region
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
443 except IndexError:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
444 pass
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
445 self._sdb = boto.connect_sdb(**args)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
446 # This assumes that the domain has already been created
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
447 # It's much more efficient to do it this way rather than
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
448 # having this make a roundtrip each time to validate.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
449 # The downside is that if the domain doesn't exist, it breaks
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
450 self._domain = self._sdb.lookup(self.db_name, validate=False)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
451 if not self._domain:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
452 self._domain = self._sdb.create_domain(self.db_name)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
453
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
454 def _object_lister(self, cls, query_lister):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
455 for item in query_lister:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
456 obj = self.get_object(cls, item.name, item)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
457 if obj:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
458 yield obj
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
459
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
460 def encode_value(self, prop, value):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
461 if value is None:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
462 return None
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
463 if not prop:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
464 return str(value)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
465 return self.converter.encode_prop(prop, value)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
466
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
467 def decode_value(self, prop, value):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
468 return self.converter.decode_prop(prop, value)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
469
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
470 def get_s3_connection(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
471 if not self.s3:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
472 self.s3 = boto.connect_s3(self.db_user, self.db_passwd)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
473 return self.s3
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
474
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
475 def get_blob_bucket(self, bucket_name=None):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
476 s3 = self.get_s3_connection()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
477 bucket_name = "%s-%s" % (s3.aws_access_key_id, self.domain.name)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
478 bucket_name = bucket_name.lower()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
479 try:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
480 self.bucket = s3.get_bucket(bucket_name)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
481 except:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
482 self.bucket = s3.create_bucket(bucket_name)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
483 return self.bucket
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
484
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
485 def load_object(self, obj):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
486 if not obj._loaded:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
487 a = self.domain.get_attributes(obj.id, consistent_read=self.consistent)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
488 if '__type__' in a:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
489 for prop in obj.properties(hidden=False):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
490 if prop.name in a:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
491 value = self.decode_value(prop, a[prop.name])
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
492 value = prop.make_value_from_datastore(value)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
493 try:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
494 setattr(obj, prop.name, value)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
495 except Exception as e:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
496 boto.log.exception(e)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
497 obj._loaded = True
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
498
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
499 def get_object(self, cls, id, a=None):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
500 obj = None
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
501 if not a:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
502 a = self.domain.get_attributes(id, consistent_read=self.consistent)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
503 if '__type__' in a:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
504 if not cls or a['__type__'] != cls.__name__:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
505 cls = find_class(a['__module__'], a['__type__'])
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
506 if cls:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
507 params = {}
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
508 for prop in cls.properties(hidden=False):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
509 if prop.name in a:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
510 value = self.decode_value(prop, a[prop.name])
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
511 value = prop.make_value_from_datastore(value)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
512 params[prop.name] = value
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
513 obj = cls(id, **params)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
514 obj._loaded = True
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
515 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
516 s = '(%s) class %s.%s not found' % (id, a['__module__'], a['__type__'])
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
517 boto.log.info('sdbmanager: %s' % s)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
518 return obj
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
519
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
520 def get_object_from_id(self, id):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
521 return self.get_object(None, id)
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parents:
diff changeset
522
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diff changeset
523 def query(self, query):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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524 query_str = "select * from `%s` %s" % (self.domain.name, self._build_filter_part(query.model_class, query.filters, query.sort_by, query.select))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
525 if query.limit:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
526 query_str += " limit %s" % query.limit
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
527 rs = self.domain.select(query_str, max_items=query.limit, next_token=query.next_token)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
528 query.rs = rs
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
529 return self._object_lister(query.model_class, rs)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
530
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
531 def count(self, cls, filters, quick=True, sort_by=None, select=None):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
532 """
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
533 Get the number of results that would
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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534 be returned in this query
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
535 """
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
536 query = "select count(*) from `%s` %s" % (self.domain.name, self._build_filter_part(cls, filters, sort_by, select))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
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537 count = 0
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
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538 for row in self.domain.select(query):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
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539 count += int(row['Count'])
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
540 if quick:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
541 return count
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
542 return count
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
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543
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544 def _build_filter(self, property, name, op, val):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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545 if name == "__id__":
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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546 name = 'itemName()'
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
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547 if name != "itemName()":
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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548 name = '`%s`' % name
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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549 if val is None:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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550 if op in ('is', '='):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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551 return "%(name)s is null" % {"name": name}
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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552 elif op in ('is not', '!='):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
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553 return "%s is not null" % name
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554 else:
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555 val = ""
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
556 if property.__class__ == ListProperty:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
557 if op in ("is", "="):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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558 op = "like"
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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559 elif op in ("!=", "not"):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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560 op = "not like"
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
561 if not(op in ["like", "not like"] and val.startswith("%")):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
562 val = "%%:%s" % val
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
563 return "%s %s '%s'" % (name, op, val.replace("'", "''"))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
564
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
565 def _build_filter_part(self, cls, filters, order_by=None, select=None):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
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diff changeset
566 """
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
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diff changeset
567 Build the filter part
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
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568 """
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
569 import types
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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570 query_parts = []
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
571
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572 order_by_filtered = False
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
573
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
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574 if order_by:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
575 if order_by[0] == "-":
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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576 order_by_method = "DESC"
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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577 order_by = order_by[1:]
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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578 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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579 order_by_method = "ASC"
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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580
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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581 if select:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
582 if order_by and order_by in select:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
583 order_by_filtered = True
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
584 query_parts.append("(%s)" % select)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
585
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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586 if isinstance(filters, six.string_types):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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587 query = "WHERE %s AND `__type__` = '%s'" % (filters, cls.__name__)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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588 if order_by in ["__id__", "itemName()"]:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
589 query += " ORDER BY itemName() %s" % order_by_method
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
590 elif order_by is not None:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
591 query += " ORDER BY `%s` %s" % (order_by, order_by_method)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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592 return query
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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593
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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594 for filter in filters:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
595 filter_parts = []
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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596 filter_props = filter[0]
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
597 if not isinstance(filter_props, list):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
598 filter_props = [filter_props]
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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599 for filter_prop in filter_props:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
600 (name, op) = filter_prop.strip().split(" ", 1)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
601 value = filter[1]
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
602 property = cls.find_property(name)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
603 if name == order_by:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
604 order_by_filtered = True
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
605 if types.TypeType(value) == list:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
606 filter_parts_sub = []
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
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diff changeset
607 for val in value:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
608 val = self.encode_value(property, val)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
609 if isinstance(val, list):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
610 for v in val:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
611 filter_parts_sub.append(self._build_filter(property, name, op, v))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
612 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
613 filter_parts_sub.append(self._build_filter(property, name, op, val))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
614 filter_parts.append("(%s)" % (" OR ".join(filter_parts_sub)))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
615 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
616 val = self.encode_value(property, value)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
617 if isinstance(val, list):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
618 for v in val:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
619 filter_parts.append(self._build_filter(property, name, op, v))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
620 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
621 filter_parts.append(self._build_filter(property, name, op, val))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
622 query_parts.append("(%s)" % (" or ".join(filter_parts)))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
623
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
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diff changeset
624
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
625 type_query = "(`__type__` = '%s'" % cls.__name__
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
626 for subclass in self._get_all_decendents(cls).keys():
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
627 type_query += " or `__type__` = '%s'" % subclass
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
628 type_query += ")"
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
629 query_parts.append(type_query)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
630
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
631 order_by_query = ""
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
632
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
633 if order_by:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
634 if not order_by_filtered:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
635 query_parts.append("`%s` LIKE '%%'" % order_by)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
636 if order_by in ["__id__", "itemName()"]:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
637 order_by_query = " ORDER BY itemName() %s" % order_by_method
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
638 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
639 order_by_query = " ORDER BY `%s` %s" % (order_by, order_by_method)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
640
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
641 if len(query_parts) > 0:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
642 return "WHERE %s %s" % (" AND ".join(query_parts), order_by_query)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
643 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
644 return ""
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
645
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
646
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
647 def _get_all_decendents(self, cls):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
648 """Get all decendents for a given class"""
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
649 decendents = {}
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
650 for sc in cls.__sub_classes__:
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parents:
diff changeset
651 decendents[sc.__name__] = sc
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parents:
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652 decendents.update(self._get_all_decendents(sc))
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diff changeset
653 return decendents
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654
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655 def query_gql(self, query_string, *args, **kwds):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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656 raise NotImplementedError("GQL queries not supported in SimpleDB")
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parents:
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657
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658 def save_object(self, obj, expected_value=None):
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659 if not obj.id:
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660 obj.id = str(uuid.uuid4())
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parents:
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661
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662 attrs = {'__type__': obj.__class__.__name__,
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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663 '__module__': obj.__class__.__module__,
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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664 '__lineage__': obj.get_lineage()}
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665 del_attrs = []
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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666 for property in obj.properties(hidden=False):
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667 value = property.get_value_for_datastore(obj)
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668 if value is not None:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
669 value = self.encode_value(property, value)
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670 if value == []:
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671 value = None
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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672 if value is None:
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673 del_attrs.append(property.name)
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diff changeset
674 continue
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675 attrs[property.name] = value
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676 if property.unique:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
677 try:
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678 args = {property.name: value}
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diff changeset
679 obj2 = next(obj.find(**args))
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diff changeset
680 if obj2.id != obj.id:
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diff changeset
681 raise SDBPersistenceError("Error: %s must be unique!" % property.name)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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682 except(StopIteration):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
683 pass
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
684 # Convert the Expected value to SDB format
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diff changeset
685 if expected_value:
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686 prop = obj.find_property(expected_value[0])
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diff changeset
687 v = expected_value[1]
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
688 if v is not None and not isinstance(v, bool):
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diff changeset
689 v = self.encode_value(prop, v)
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diff changeset
690 expected_value[1] = v
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diff changeset
691 self.domain.put_attributes(obj.id, attrs, replace=True, expected_value=expected_value)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
692 if len(del_attrs) > 0:
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diff changeset
693 self.domain.delete_attributes(obj.id, del_attrs)
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694 return obj
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695
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696 def delete_object(self, obj):
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diff changeset
697 self.domain.delete_attributes(obj.id)
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diff changeset
698
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diff changeset
699 def set_property(self, prop, obj, name, value):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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700 setattr(obj, name, value)
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diff changeset
701 value = prop.get_value_for_datastore(obj)
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diff changeset
702 value = self.encode_value(prop, value)
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diff changeset
703 if prop.unique:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
704 try:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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705 args = {prop.name: value}
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parents:
diff changeset
706 obj2 = next(obj.find(**args))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
707 if obj2.id != obj.id:
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diff changeset
708 raise SDBPersistenceError("Error: %s must be unique!" % prop.name)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
709 except(StopIteration):
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710 pass
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diff changeset
711 self.domain.put_attributes(obj.id, {name: value}, replace=True)
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diff changeset
712
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diff changeset
713 def get_property(self, prop, obj, name):
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714 a = self.domain.get_attributes(obj.id, consistent_read=self.consistent)
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diff changeset
715
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
716 # try to get the attribute value from SDB
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
717 if name in a:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
718 value = self.decode_value(prop, a[name])
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parents:
diff changeset
719 value = prop.make_value_from_datastore(value)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
720 setattr(obj, prop.name, value)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
721 return value
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
722 raise AttributeError('%s not found' % name)
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diff changeset
723
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diff changeset
724 def set_key_value(self, obj, name, value):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
725 self.domain.put_attributes(obj.id, {name: value}, replace=True)
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diff changeset
726
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
727 def delete_key_value(self, obj, name):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
728 self.domain.delete_attributes(obj.id, name)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
729
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
730 def get_key_value(self, obj, name):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
731 a = self.domain.get_attributes(obj.id, name, consistent_read=self.consistent)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
732 if name in a:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
733 return a[name]
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
734 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
735 return None
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
736
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
737 def get_raw_item(self, obj):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
738 return self.domain.get_item(obj.id)