Mercurial > p > roundup > code

annotate roundup/rest.py @ 5565:b3d5085dd04e REST-rebased

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added custom parsing properties from arguments committer: Ralf Schlatterbeck <rsc@runtux.com>
author Chau Nguyen <dangchau1991@yahoo.com>
date Wed, 30 Jan 2019 10:26:34 +0100
parents da6b5724314f
children 2830793d1510
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
5557
213a56c91471 Implement getting resource from database
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1 """
213a56c91471 Implement getting resource from database
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2 Restful API for Roundup
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3
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4 This module is free software, you may redistribute it
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5 and/or modify under the same terms as Python.
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6 """
5556
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7
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8 import json
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9 import pprint
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10 from roundup import hyperdb
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11 from roundup.exceptions import *
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12 from roundup import xmlrpc
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13
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14 def props_from_args(db, cl, args, itemid=None):
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15 props = {}
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16 for arg in args:
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17 try:
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18 key = arg.name
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19 value = arg.value
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20 except ValueError:
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21 raise UsageError('argument "%s" not propname=value' % arg)
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22 if isinstance(key, unicode):
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23 try:
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24 key = key.encode('ascii')
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25 except UnicodeEncodeError:
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26 raise UsageError('argument %r is no valid ascii keyword' % key)
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27 if isinstance(value, unicode):
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28 value = value.encode('utf-8')
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29 if value:
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30 try:
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31 props[key] = hyperdb.rawToHyperdb(db, cl, itemid, key, value)
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32 except hyperdb.HyperdbValueError:
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33 pass # pass if a parameter is not a property of the class
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34 else:
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35 props[key] = None
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36
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37 return props
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38
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39 class RestfulInstance(object):
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40 """Dummy Handler for REST
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41 """
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42
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43 def __init__(self, db):
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44 # TODO: database, translator and instance.actions
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45 self.db = db
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46
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47 def get_collection(self, class_name, input):
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48 if not self.db.security.hasPermission('View', self.db.getuid(),
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49 class_name):
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50 raise Unauthorised('Permission to view %s denied' % class_name)
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51 class_obj = self.db.getclass(class_name)
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52 prop_name = class_obj.labelprop()
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53 result = [{'id': item_id, 'name': class_obj.get(item_id, prop_name)}
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54 for item_id in class_obj.list()
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55 if self.db.security.hasPermission('View', self.db.getuid(),
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56 class_name,
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57 itemid=item_id)]
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58 return result
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59
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60 def get_element(self, class_name, item_id, input):
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61 if not self.db.security.hasPermission('View', self.db.getuid(),
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62 class_name, itemid=item_id):
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63 raise Unauthorised('Permission to view %s item %d denied' %
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64 (class_name, item_id))
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65 class_obj = self.db.getclass(class_name)
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66 props = class_obj.properties.keys()
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67 props.sort() # sort properties
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68 result = [(prop_name, class_obj.get(item_id, prop_name))
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69 for prop_name in props
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70 if self.db.security.hasPermission('View', self.db.getuid(),
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71 class_name, prop_name,
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72 item_id)]
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73 result = dict(result)
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74
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75 return result
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76
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77 def post_collection(self, class_name, input):
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78 if not self.db.security.hasPermission('Create', self.db.getuid(),
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79 class_name):
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80 raise Unauthorised('Permission to create %s denied' % class_name)
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81
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82 class_obj = self.db.getclass(class_name)
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83
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84 # convert types
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85 props = props_from_args(self.db, class_obj, input.value)
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86
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87 # check for the key property
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88 key = class_obj.getkey()
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89 if key and key not in props:
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90 raise UsageError('Must provide the "%s" property.' % key)
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91
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92 for key in props:
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93 if not self.db.security.hasPermission('Create', self.db.getuid(),
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94 class_name, property=key):
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95 raise Unauthorised('Permission to create %s.%s denied' %
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96 (class_name, key))
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97
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98 # do the actual create
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99 try:
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100 item_id = class_obj.create(**props)
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101 self.db.commit()
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102 except (TypeError, IndexError, ValueError), message:
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103 raise UsageError(message)
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104
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105 result = {id: item_id}
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106 return result
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107
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108 def post_element(self, class_name, item_id, input):
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109 raise Reject('Invalid request')
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110
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111 def put_collection(self, class_name, input):
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112 raise Reject('Invalid request')
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113
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114 def put_element(self, class_name, item_id, input):
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115 class_obj = self.db.getclass(class_name)
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116
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117 props = props_from_args(self.db, class_obj, input.value, item_id)
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118 for p in props.iterkeys():
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119 if not self.db.security.hasPermission('Edit', self.db.getuid(),
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120 class_name, p, item_id):
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121 raise Unauthorised('Permission to edit %s of %s%s denied' %
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122 (p, class_name, item_id))
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123 try:
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124 result = class_obj.set(item_id, **props)
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125 self.db.commit()
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126 except (TypeError, IndexError, ValueError), message:
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127 raise UsageError(message)
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128
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129 result['id'] = item_id
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130 return result
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131
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132 def delete_collection(self, class_name, input):
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133 if not self.db.security.hasPermission('Delete', self.db.getuid(),
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134 class_name):
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135 raise Unauthorised('Permission to delete %s denied' % class_name)
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136
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137 class_obj = self.db.getclass(class_name)
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138 for item_id in class_obj.list():
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139 if not self.db.security.hasPermission('Delete', self.db.getuid(),
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140 class_name, itemid=item_id):
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141 raise Unauthorised('Permission to delete %s %s denied' %
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142 (class_name, item_id))
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143
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144 for item_id in class_obj.list():
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145 self.db.destroynode(class_name, item_id)
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146
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147 self.db.commit()
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148 result = {"status": "ok"}
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149
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150 return result
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151
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152 def delete_element(self, class_name, item_id, input):
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153 if not self.db.security.hasPermission('Delete', self.db.getuid(),
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154 class_name, itemid=item_id):
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155 raise Unauthorised('Permission to delete %s %s denied' %
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156 (class_name, item_id))
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157
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158 self.db.destroynode(class_name, item_id)
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159 self.db.commit()
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160 result = {"status": "ok"}
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161
3d80e7752783 Added POST and DELETE
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162 return result
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163
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164 def patch_collection(self, class_name, input):
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165 raise Reject('Invalid request')
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166
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167 def patch_element(self, class_name, item_id, input):
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168 raise NotImplementedError
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169
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parents:
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170 def dispatch(self, method, uri, input):
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171 # PATH is split to multiple pieces
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172 # 0 - rest
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173 # 1 - resource
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174 resource_uri = uri.split("/")[1]
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175
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176 output = None
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177 try:
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178 if resource_uri in self.db.classes:
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179 output = getattr(self, "%s_collection" % method.lower())(
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180 resource_uri, input)
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181 else:
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182 class_name, item_id = hyperdb.splitDesignator(resource_uri)
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183 output = getattr(self, "%s_element" % method.lower())(
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184 class_name, item_id, input)
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185 except hyperdb.DesignatorError:
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186 raise NotImplementedError('Invalid URI')
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187 except AttributeError:
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188 raise NotImplementedError('Method is invalid')
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189 finally:
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190 output = json.JSONEncoder().encode(output)
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191
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192 print "Length: %s - Content(50 char): %s" % (len(output), output[:50])
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193 return output
Roundup Issue Tracker: http://roundup-tracker.org/