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annotate planemo/lib/python3.7/site-packages/boto/awslambda/layer1.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) 2015 Amazon.com, Inc. or its affiliates. All Rights Reserved
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2 #
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3 # Permission is hereby granted, free of charge, to any person obtaining a
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4 # copy of this software and associated documentation files (the
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5 # "Software"), to deal in the Software without restriction, including
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6 # without limitation the rights to use, copy, modify, merge, publish, dis-
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7 # tribute, sublicense, and/or sell copies of the Software, and to permit
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8 # persons to whom the Software is furnished to do so, subject to the fol-
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9 # lowing conditions:
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10 #
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11 # The above copyright notice and this permission notice shall be included
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12 # in all copies or substantial portions of the Software.
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13 #
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14 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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15 # OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
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16 # ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
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17 # SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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18 # WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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19 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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20 # IN THE SOFTWARE.
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21 #
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22 import os
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23
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24 from boto.compat import json
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25 from boto.exception import JSONResponseError
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26 from boto.connection import AWSAuthConnection
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27 from boto.regioninfo import RegionInfo
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28 from boto.awslambda import exceptions
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29
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30
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31 class AWSLambdaConnection(AWSAuthConnection):
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32 """
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33 AWS Lambda
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34 **Overview**
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35
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36 This is the AWS Lambda API Reference. The AWS Lambda Developer
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37 Guide provides additional information. For the service overview,
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38 go to `What is AWS Lambda`_, and for information about how the
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39 service works, go to `AWS LambdaL How it Works`_ in the AWS Lambda
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40 Developer Guide.
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41 """
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42 APIVersion = "2014-11-11"
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43 DefaultRegionName = "us-east-1"
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44 DefaultRegionEndpoint = "lambda.us-east-1.amazonaws.com"
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45 ResponseError = JSONResponseError
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46
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47 _faults = {
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48 "InvalidRequestContentException": exceptions.InvalidRequestContentException,
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49 "ResourceNotFoundException": exceptions.ResourceNotFoundException,
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50 "InvalidParameterValueException": exceptions.InvalidParameterValueException,
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51 "ServiceException": exceptions.ServiceException,
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52 }
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53
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54
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55 def __init__(self, **kwargs):
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56 region = kwargs.get('region')
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57 if not region:
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58 region = RegionInfo(self, self.DefaultRegionName,
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59 self.DefaultRegionEndpoint)
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60 else:
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61 del kwargs['region']
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62 kwargs['host'] = region.endpoint
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63 super(AWSLambdaConnection, self).__init__(**kwargs)
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64 self.region = region
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65
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66 def _required_auth_capability(self):
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67 return ['hmac-v4']
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68
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69 def add_event_source(self, event_source, function_name, role,
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70 batch_size=None, parameters=None):
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71 """
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72 Identifies an Amazon Kinesis stream as the event source for an
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73 AWS Lambda function. AWS Lambda invokes the specified function
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74 when records are posted to the stream.
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75
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76 This is the pull model, where AWS Lambda invokes the function.
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77 For more information, go to `AWS LambdaL How it Works`_ in the
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78 AWS Lambda Developer Guide.
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79
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80 This association between an Amazon Kinesis stream and an AWS
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81 Lambda function is called the event source mapping. You
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82 provide the configuration information (for example, which
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83 stream to read from and which AWS Lambda function to invoke)
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84 for the event source mapping in the request body.
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85
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86 This operation requires permission for the `iam:PassRole`
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87 action for the IAM role. It also requires permission for the
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88 `lambda:AddEventSource` action.
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89
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90 :type event_source: string
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91 :param event_source: The Amazon Resource Name (ARN) of the Amazon
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92 Kinesis stream that is the event source. Any record added to this
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93 stream causes AWS Lambda to invoke your Lambda function. AWS Lambda
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94 POSTs the Amazon Kinesis event, containing records, to your Lambda
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95 function as JSON.
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96
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97 :type function_name: string
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98 :param function_name: The Lambda function to invoke when AWS Lambda
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99 detects an event on the stream.
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100
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101 :type role: string
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102 :param role: The ARN of the IAM role (invocation role) that AWS Lambda
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103 can assume to read from the stream and invoke the function.
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104
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105 :type batch_size: integer
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106 :param batch_size: The largest number of records that AWS Lambda will
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107 give to your function in a single event. The default is 100
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108 records.
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109
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110 :type parameters: map
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111 :param parameters: A map (key-value pairs) defining the configuration
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112 for AWS Lambda to use when reading the event source. Currently, AWS
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113 Lambda supports only the `InitialPositionInStream` key. The valid
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114 values are: "TRIM_HORIZON" and "LATEST". The default value is
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115 "TRIM_HORIZON". For more information, go to `ShardIteratorType`_ in
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116 the Amazon Kinesis Service API Reference.
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117
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118 """
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119
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120 uri = '/2014-11-13/event-source-mappings/'
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121 params = {
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122 'EventSource': event_source,
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123 'FunctionName': function_name,
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124 'Role': role,
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125 }
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126 headers = {}
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127 query_params = {}
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128 if batch_size is not None:
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129 params['BatchSize'] = batch_size
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130 if parameters is not None:
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131 params['Parameters'] = parameters
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132 return self.make_request('POST', uri, expected_status=200,
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133 data=json.dumps(params), headers=headers,
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134 params=query_params)
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135
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136 def delete_function(self, function_name):
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137 """
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138 Deletes the specified Lambda function code and configuration.
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139
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140 This operation requires permission for the
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141 `lambda:DeleteFunction` action.
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142
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143 :type function_name: string
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144 :param function_name: The Lambda function to delete.
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145
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146 """
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147
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148 uri = '/2014-11-13/functions/{0}'.format(function_name)
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149 return self.make_request('DELETE', uri, expected_status=204)
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150
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151 def get_event_source(self, uuid):
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152 """
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153 Returns configuration information for the specified event
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154 source mapping (see AddEventSource).
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155
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156 This operation requires permission for the
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157 `lambda:GetEventSource` action.
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158
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159 :type uuid: string
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160 :param uuid: The AWS Lambda assigned ID of the event source mapping.
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161
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162 """
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163
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164 uri = '/2014-11-13/event-source-mappings/{0}'.format(uuid)
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165 return self.make_request('GET', uri, expected_status=200)
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166
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167 def get_function(self, function_name):
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168 """
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169 Returns the configuration information of the Lambda function
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170 and a presigned URL link to the .zip file you uploaded with
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171 UploadFunction so you can download the .zip file. Note that
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172 the URL is valid for up to 10 minutes. The configuration
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173 information is the same information you provided as parameters
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174 when uploading the function.
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175
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176 This operation requires permission for the
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177 `lambda:GetFunction` action.
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178
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179 :type function_name: string
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180 :param function_name: The Lambda function name.
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181
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182 """
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183
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184 uri = '/2014-11-13/functions/{0}'.format(function_name)
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185 return self.make_request('GET', uri, expected_status=200)
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186
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187 def get_function_configuration(self, function_name):
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188 """
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189 Returns the configuration information of the Lambda function.
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190 This the same information you provided as parameters when
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191 uploading the function by using UploadFunction.
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192
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193 This operation requires permission for the
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194 `lambda:GetFunctionConfiguration` operation.
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195
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196 :type function_name: string
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197 :param function_name: The name of the Lambda function for which you
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198 want to retrieve the configuration information.
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199
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200 """
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201
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202 uri = '/2014-11-13/functions/{0}/configuration'.format(function_name)
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203 return self.make_request('GET', uri, expected_status=200)
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204
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205 def invoke_async(self, function_name, invoke_args):
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206 """
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207 Submits an invocation request to AWS Lambda. Upon receiving
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208 the request, Lambda executes the specified function
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209 asynchronously. To see the logs generated by the Lambda
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210 function execution, see the CloudWatch logs console.
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211
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212 This operation requires permission for the
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213 `lambda:InvokeAsync` action.
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214
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215 :type function_name: string
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216 :param function_name: The Lambda function name.
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217
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218 :type invoke_args: blob
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219 :param invoke_args: JSON that you want to provide to your Lambda
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220 function as input.
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221
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222 """
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223 uri = '/2014-11-13/functions/{0}/invoke-async/'.format(function_name)
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224 headers = {}
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225 query_params = {}
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226 try:
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227 content_length = str(len(invoke_args))
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228 except (TypeError, AttributeError):
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229 # If a file like object is provided and seekable, try to retrieve
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230 # the file size via fstat.
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231 try:
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232 invoke_args.tell()
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233 except (AttributeError, OSError, IOError):
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234 raise TypeError(
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235 "File-like object passed to parameter "
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236 "``invoke_args`` must be seekable."
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237 )
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238 content_length = str(os.fstat(invoke_args.fileno()).st_size)
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239 headers['Content-Length'] = content_length
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240 return self.make_request('POST', uri, expected_status=202,
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241 data=invoke_args, headers=headers,
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242 params=query_params)
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243
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244 def list_event_sources(self, event_source_arn=None, function_name=None,
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245 marker=None, max_items=None):
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246 """
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247 Returns a list of event source mappings. For each mapping, the
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248 API returns configuration information (see AddEventSource).
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249 You can optionally specify filters to retrieve specific event
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250 source mappings.
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251
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252 This operation requires permission for the
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253 `lambda:ListEventSources` action.
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254
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255 :type event_source_arn: string
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256 :param event_source_arn: The Amazon Resource Name (ARN) of the Amazon
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257 Kinesis stream.
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258
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259 :type function_name: string
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260 :param function_name: The name of the AWS Lambda function.
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261
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262 :type marker: string
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263 :param marker: Optional string. An opaque pagination token returned
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264 from a previous `ListEventSources` operation. If present, specifies
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265 to continue the list from where the returning call left off.
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266
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267 :type max_items: integer
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268 :param max_items: Optional integer. Specifies the maximum number of
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269 event sources to return in response. This value must be greater
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270 than 0.
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271
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272 """
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273
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274 uri = '/2014-11-13/event-source-mappings/'
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275 params = {}
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276 headers = {}
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277 query_params = {}
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278 if event_source_arn is not None:
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279 query_params['EventSource'] = event_source_arn
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280 if function_name is not None:
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281 query_params['FunctionName'] = function_name
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282 if marker is not None:
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283 query_params['Marker'] = marker
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284 if max_items is not None:
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285 query_params['MaxItems'] = max_items
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286 return self.make_request('GET', uri, expected_status=200,
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287 data=json.dumps(params), headers=headers,
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288 params=query_params)
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289
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290 def list_functions(self, marker=None, max_items=None):
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291 """
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292 Returns a list of your Lambda functions. For each function,
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293 the response includes the function configuration information.
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294 You must use GetFunction to retrieve the code for your
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295 function.
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296
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297 This operation requires permission for the
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298 `lambda:ListFunctions` action.
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299
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300 :type marker: string
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301 :param marker: Optional string. An opaque pagination token returned
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302 from a previous `ListFunctions` operation. If present, indicates
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303 where to continue the listing.
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304
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305 :type max_items: integer
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306 :param max_items: Optional integer. Specifies the maximum number of AWS
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307 Lambda functions to return in response. This parameter value must
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308 be greater than 0.
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309
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310 """
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311
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312 uri = '/2014-11-13/functions/'
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313 params = {}
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314 headers = {}
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315 query_params = {}
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316 if marker is not None:
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317 query_params['Marker'] = marker
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318 if max_items is not None:
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319 query_params['MaxItems'] = max_items
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320 return self.make_request('GET', uri, expected_status=200,
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321 data=json.dumps(params), headers=headers,
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322 params=query_params)
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323
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324 def remove_event_source(self, uuid):
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325 """
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326 Removes an event source mapping. This means AWS Lambda will no
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327 longer invoke the function for events in the associated
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328 source.
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329
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330 This operation requires permission for the
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331 `lambda:RemoveEventSource` action.
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332
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333 :type uuid: string
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334 :param uuid: The event source mapping ID.
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335
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336 """
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337
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338 uri = '/2014-11-13/event-source-mappings/{0}'.format(uuid)
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339 return self.make_request('DELETE', uri, expected_status=204)
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340
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341 def update_function_configuration(self, function_name, role=None,
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342 handler=None, description=None,
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343 timeout=None, memory_size=None):
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344 """
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345 Updates the configuration parameters for the specified Lambda
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346 function by using the values provided in the request. You
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347 provide only the parameters you want to change. This operation
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348 must only be used on an existing Lambda function and cannot be
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349 used to update the function's code.
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350
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351 This operation requires permission for the
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352 `lambda:UpdateFunctionConfiguration` action.
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353
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354 :type function_name: string
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355 :param function_name: The name of the Lambda function.
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356
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357 :type role: string
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358 :param role: The Amazon Resource Name (ARN) of the IAM role that Lambda
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359 will assume when it executes your function.
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360
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361 :type handler: string
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362 :param handler: The function that Lambda calls to begin executing your
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363 function. For Node.js, it is the module-name.export value in your
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364 function.
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365
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366 :type description: string
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367 :param description: A short user-defined function description. Lambda
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368 does not use this value. Assign a meaningful description as you see
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369 fit.
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370
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371 :type timeout: integer
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372 :param timeout: The function execution time at which Lambda should
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373 terminate the function. Because the execution time has cost
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374 implications, we recommend you set this value based on your
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375 expected execution time. The default is 3 seconds.
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376
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377 :type memory_size: integer
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378 :param memory_size: The amount of memory, in MB, your Lambda function
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379 is given. Lambda uses this memory size to infer the amount of CPU
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380 allocated to your function. Your function use-case determines your
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381 CPU and memory requirements. For example, a database operation
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382 might need less memory compared to an image processing function.
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383 The default value is 128 MB. The value must be a multiple of 64 MB.
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384
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385 """
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386
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387 uri = '/2014-11-13/functions/{0}/configuration'.format(function_name)
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388 params = {}
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389 headers = {}
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390 query_params = {}
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391 if role is not None:
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392 query_params['Role'] = role
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393 if handler is not None:
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394 query_params['Handler'] = handler
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395 if description is not None:
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396 query_params['Description'] = description
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397 if timeout is not None:
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398 query_params['Timeout'] = timeout
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diff changeset
399 if memory_size is not None:
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400 query_params['MemorySize'] = memory_size
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401 return self.make_request('PUT', uri, expected_status=200,
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402 data=json.dumps(params), headers=headers,
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403 params=query_params)
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404
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405 def upload_function(self, function_name, function_zip, runtime, role,
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406 handler, mode, description=None, timeout=None,
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407 memory_size=None):
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408 """
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409 Creates a new Lambda function or updates an existing function.
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410 The function metadata is created from the request parameters,
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411 and the code for the function is provided by a .zip file in
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412 the request body. If the function name already exists, the
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413 existing Lambda function is updated with the new code and
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414 metadata.
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415
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416 This operation requires permission for the
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417 `lambda:UploadFunction` action.
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418
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419 :type function_name: string
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420 :param function_name: The name you want to assign to the function you
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421 are uploading. The function names appear in the console and are
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422 returned in the ListFunctions API. Function names are used to
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423 specify functions to other AWS Lambda APIs, such as InvokeAsync.
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424
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425 :type function_zip: blob
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426 :param function_zip: A .zip file containing your packaged source code.
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427 For more information about creating a .zip file, go to `AWS LambdaL
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428 How it Works`_ in the AWS Lambda Developer Guide.
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429
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430 :type runtime: string
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431 :param runtime: The runtime environment for the Lambda function you are
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432 uploading. Currently, Lambda supports only "nodejs" as the runtime.
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433
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434 :type role: string
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435 :param role: The Amazon Resource Name (ARN) of the IAM role that Lambda
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436 assumes when it executes your function to access any other Amazon
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diff changeset
437 Web Services (AWS) resources.
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438
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439 :type handler: string
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440 :param handler: The function that Lambda calls to begin execution. For
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441 Node.js, it is the module-name . export value in your function.
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442
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443 :type mode: string
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444 :param mode: How the Lambda function will be invoked. Lambda supports
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diff changeset
445 only the "event" mode.
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446
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447 :type description: string
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448 :param description: A short, user-defined function description. Lambda
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449 does not use this value. Assign a meaningful description as you see
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450 fit.
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451
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452 :type timeout: integer
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453 :param timeout: The function execution time at which Lambda should
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454 terminate the function. Because the execution time has cost
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455 implications, we recommend you set this value based on your
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456 expected execution time. The default is 3 seconds.
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457
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458 :type memory_size: integer
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459 :param memory_size: The amount of memory, in MB, your Lambda function
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460 is given. Lambda uses this memory size to infer the amount of CPU
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461 allocated to your function. Your function use-case determines your
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462 CPU and memory requirements. For example, database operation might
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463 need less memory compared to image processing function. The default
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464 value is 128 MB. The value must be a multiple of 64 MB.
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465
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466 """
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467 uri = '/2014-11-13/functions/{0}'.format(function_name)
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468 headers = {}
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469 query_params = {}
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470 if runtime is not None:
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471 query_params['Runtime'] = runtime
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472 if role is not None:
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473 query_params['Role'] = role
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474 if handler is not None:
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475 query_params['Handler'] = handler
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476 if mode is not None:
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477 query_params['Mode'] = mode
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478 if description is not None:
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479 query_params['Description'] = description
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480 if timeout is not None:
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481 query_params['Timeout'] = timeout
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482 if memory_size is not None:
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483 query_params['MemorySize'] = memory_size
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484
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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485 try:
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486 content_length = str(len(function_zip))
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487 except (TypeError, AttributeError):
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488 # If a file like object is provided and seekable, try to retrieve
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489 # the file size via fstat.
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490 try:
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491 function_zip.tell()
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492 except (AttributeError, OSError, IOError):
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493 raise TypeError(
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494 "File-like object passed to parameter "
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495 "``function_zip`` must be seekable."
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496 )
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497 content_length = str(os.fstat(function_zip.fileno()).st_size)
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498 headers['Content-Length'] = content_length
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499 return self.make_request('PUT', uri, expected_status=201,
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500 data=function_zip, headers=headers,
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501 params=query_params)
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502
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503 def make_request(self, verb, resource, headers=None, data='',
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504 expected_status=None, params=None):
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505 if headers is None:
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506 headers = {}
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507 response = AWSAuthConnection.make_request(
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508 self, verb, resource, headers=headers, data=data, params=params)
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509 body = response.read().decode('utf-8')
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510 if body:
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511 body = json.loads(body)
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512 if response.status == expected_status:
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513 return body
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514 else:
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515 error_type = response.getheader('x-amzn-ErrorType').split(':')[0]
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516 error_class = self._faults.get(error_type, self.ResponseError)
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517 raise error_class(response.status, response.reason, body)