Mercurial > repos > guerler > springsuite
annotate planemo/lib/python3.7/site-packages/boto/swf/layer2.py @ 0:d30785e31577 draft
"planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
| author | guerler | 
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| date | Fri, 31 Jul 2020 00:18:57 -0400 | 
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| rev | line source | 
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0
 
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1 """Object-oriented interface to SWF wrapping boto.swf.layer1.Layer1""" | 
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2 | 
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3 import time | 
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4 from functools import wraps | 
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5 from boto.swf.layer1 import Layer1 | 
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6 from boto.swf.layer1_decisions import Layer1Decisions | 
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7 | 
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8 DEFAULT_CREDENTIALS = { | 
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9 'aws_access_key_id': None, | 
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10 'aws_secret_access_key': None | 
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11 } | 
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12 | 
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13 def set_default_credentials(aws_access_key_id, aws_secret_access_key): | 
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14 """Set default credentials.""" | 
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15 DEFAULT_CREDENTIALS.update({ | 
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16 'aws_access_key_id': aws_access_key_id, | 
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17 'aws_secret_access_key': aws_secret_access_key, | 
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18 }) | 
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19 | 
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20 class SWFBase(object): | 
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21 | 
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22 name = None | 
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23 domain = None | 
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24 aws_access_key_id = None | 
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25 aws_secret_access_key = None | 
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26 region = None | 
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27 | 
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28 def __init__(self, **kwargs): | 
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29 # Set default credentials. | 
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30 for credkey in ('aws_access_key_id', 'aws_secret_access_key'): | 
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31 if DEFAULT_CREDENTIALS.get(credkey): | 
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32 setattr(self, credkey, DEFAULT_CREDENTIALS[credkey]) | 
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33 # Override attributes with keyword args. | 
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34 for kwarg in kwargs: | 
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35 setattr(self, kwarg, kwargs[kwarg]) | 
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36 | 
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37 self._swf = Layer1(self.aws_access_key_id, | 
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38 self.aws_secret_access_key, | 
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39 region=self.region) | 
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40 | 
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41 def __repr__(self): | 
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42 rep_str = str(self.name) | 
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43 if hasattr(self, 'version'): | 
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44 rep_str += '-' + str(getattr(self, 'version')) | 
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45 return '<%s %r at 0x%x>' % (self.__class__.__name__, rep_str, id(self)) | 
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46 | 
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47 class Domain(SWFBase): | 
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48 | 
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49 """Simple Workflow Domain.""" | 
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50 | 
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51 description = None | 
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52 retention = 30 | 
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53 @wraps(Layer1.describe_domain) | 
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54 def describe(self): | 
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55 """DescribeDomain.""" | 
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56 return self._swf.describe_domain(self.name) | 
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57 | 
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58 @wraps(Layer1.deprecate_domain) | 
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59 def deprecate(self): | 
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60 """DeprecateDomain""" | 
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61 self._swf.deprecate_domain(self.name) | 
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62 | 
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63 @wraps(Layer1.register_domain) | 
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64 def register(self): | 
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65 """RegisterDomain.""" | 
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66 self._swf.register_domain(self.name, str(self.retention), | 
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67 self.description) | 
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68 | 
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69 @wraps(Layer1.list_activity_types) | 
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70 def activities(self, status='REGISTERED', **kwargs): | 
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71 """ListActivityTypes.""" | 
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72 act_types = self._swf.list_activity_types(self.name, status, **kwargs) | 
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73 act_objects = [] | 
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74 for act_args in act_types['typeInfos']: | 
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75 act_ident = act_args['activityType'] | 
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76 del act_args['activityType'] | 
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77 act_args.update(act_ident) | 
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78 act_args.update({ | 
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79 'aws_access_key_id': self.aws_access_key_id, | 
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80 'aws_secret_access_key': self.aws_secret_access_key, | 
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81 'domain': self.name, | 
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82 'region': self.region, | 
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83 }) | 
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84 act_objects.append(ActivityType(**act_args)) | 
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85 return act_objects | 
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86 | 
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87 @wraps(Layer1.list_workflow_types) | 
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88 def workflows(self, status='REGISTERED', **kwargs): | 
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89 """ListWorkflowTypes.""" | 
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90 wf_types = self._swf.list_workflow_types(self.name, status, **kwargs) | 
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91 wf_objects = [] | 
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92 for wf_args in wf_types['typeInfos']: | 
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93 wf_ident = wf_args['workflowType'] | 
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94 del wf_args['workflowType'] | 
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95 wf_args.update(wf_ident) | 
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96 wf_args.update({ | 
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97 'aws_access_key_id': self.aws_access_key_id, | 
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98 'aws_secret_access_key': self.aws_secret_access_key, | 
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99 'domain': self.name, | 
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100 'region': self.region, | 
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101 }) | 
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102 | 
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103 wf_objects.append(WorkflowType(**wf_args)) | 
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104 return wf_objects | 
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105 | 
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106 def executions(self, closed=False, **kwargs): | 
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107 """List list open/closed executions. | 
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108 | 
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109 For a full list of available parameters refer to | 
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110 :py:func:`boto.swf.layer1.Layer1.list_closed_workflow_executions` and | 
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111 :py:func:`boto.swf.layer1.Layer1.list_open_workflow_executions` | 
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112 """ | 
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113 if closed: | 
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114 executions = self._swf.list_closed_workflow_executions(self.name, | 
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115 **kwargs) | 
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116 else: | 
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117 if 'oldest_date' not in kwargs: | 
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118 # Last 24 hours. | 
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119 kwargs['oldest_date'] = time.time() - (3600 * 24) | 
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120 executions = self._swf.list_open_workflow_executions(self.name, | 
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121 **kwargs) | 
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122 exe_objects = [] | 
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123 for exe_args in executions['executionInfos']: | 
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124 for nested_key in ('execution', 'workflowType'): | 
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125 nested_dict = exe_args[nested_key] | 
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126 del exe_args[nested_key] | 
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127 exe_args.update(nested_dict) | 
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128 | 
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129 exe_args.update({ | 
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130 'aws_access_key_id': self.aws_access_key_id, | 
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131 'aws_secret_access_key': self.aws_secret_access_key, | 
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132 'domain': self.name, | 
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133 'region': self.region, | 
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134 }) | 
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135 | 
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136 exe_objects.append(WorkflowExecution(**exe_args)) | 
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137 return exe_objects | 
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138 | 
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139 @wraps(Layer1.count_pending_activity_tasks) | 
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140 def count_pending_activity_tasks(self, task_list): | 
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141 """CountPendingActivityTasks.""" | 
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142 return self._swf.count_pending_activity_tasks(self.name, task_list) | 
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143 | 
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144 @wraps(Layer1.count_pending_decision_tasks) | 
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145 def count_pending_decision_tasks(self, task_list): | 
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146 """CountPendingDecisionTasks.""" | 
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147 return self._swf.count_pending_decision_tasks(self.name, task_list) | 
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148 | 
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149 | 
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150 class Actor(SWFBase): | 
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151 | 
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152 task_list = None | 
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153 last_tasktoken = None | 
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154 domain = None | 
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155 | 
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156 def run(self): | 
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157 """To be overloaded by subclasses.""" | 
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158 raise NotImplementedError() | 
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159 | 
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160 class ActivityWorker(Actor): | 
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161 | 
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162 """Base class for SimpleWorkflow activity workers.""" | 
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163 | 
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164 @wraps(Layer1.respond_activity_task_canceled) | 
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165 def cancel(self, task_token=None, details=None): | 
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166 """RespondActivityTaskCanceled.""" | 
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167 if task_token is None: | 
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168 task_token = self.last_tasktoken | 
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169 return self._swf.respond_activity_task_canceled(task_token, details) | 
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170 | 
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171 @wraps(Layer1.respond_activity_task_completed) | 
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172 def complete(self, task_token=None, result=None): | 
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173 """RespondActivityTaskCompleted.""" | 
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174 if task_token is None: | 
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175 task_token = self.last_tasktoken | 
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176 return self._swf.respond_activity_task_completed(task_token, result) | 
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177 | 
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178 @wraps(Layer1.respond_activity_task_failed) | 
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179 def fail(self, task_token=None, details=None, reason=None): | 
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180 """RespondActivityTaskFailed.""" | 
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181 if task_token is None: | 
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182 task_token = self.last_tasktoken | 
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183 return self._swf.respond_activity_task_failed(task_token, details, | 
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184 reason) | 
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185 | 
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186 @wraps(Layer1.record_activity_task_heartbeat) | 
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187 def heartbeat(self, task_token=None, details=None): | 
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188 """RecordActivityTaskHeartbeat.""" | 
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189 if task_token is None: | 
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190 task_token = self.last_tasktoken | 
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191 return self._swf.record_activity_task_heartbeat(task_token, details) | 
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192 | 
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193 @wraps(Layer1.poll_for_activity_task) | 
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194 def poll(self, **kwargs): | 
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195 """PollForActivityTask.""" | 
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196 task_list = self.task_list | 
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197 if 'task_list' in kwargs: | 
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198 task_list = kwargs.get('task_list') | 
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199 del kwargs['task_list'] | 
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200 task = self._swf.poll_for_activity_task(self.domain, task_list, | 
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201 **kwargs) | 
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202 self.last_tasktoken = task.get('taskToken') | 
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203 return task | 
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204 | 
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205 class Decider(Actor): | 
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206 | 
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207 """Base class for SimpleWorkflow deciders.""" | 
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208 | 
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209 @wraps(Layer1.respond_decision_task_completed) | 
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210 def complete(self, task_token=None, decisions=None, **kwargs): | 
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211 """RespondDecisionTaskCompleted.""" | 
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212 if isinstance(decisions, Layer1Decisions): | 
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213 # Extract decision list from a Layer1Decisions instance. | 
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214 decisions = decisions._data | 
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215 if task_token is None: | 
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216 task_token = self.last_tasktoken | 
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217 return self._swf.respond_decision_task_completed(task_token, decisions, | 
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218 **kwargs) | 
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219 | 
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220 @wraps(Layer1.poll_for_decision_task) | 
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221 def poll(self, **kwargs): | 
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222 """PollForDecisionTask.""" | 
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223 task_list = self.task_list | 
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224 if 'task_list' in kwargs: | 
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225 task_list = kwargs.get('task_list') | 
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226 del kwargs['task_list'] | 
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227 decision_task = self._swf.poll_for_decision_task(self.domain, task_list, | 
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228 **kwargs) | 
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229 self.last_tasktoken = decision_task.get('taskToken') | 
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230 return decision_task | 
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231 | 
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232 class WorkflowType(SWFBase): | 
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233 | 
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234 """A versioned workflow type.""" | 
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235 | 
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236 version = None | 
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237 task_list = None | 
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238 child_policy = 'TERMINATE' | 
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239 | 
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240 @wraps(Layer1.describe_workflow_type) | 
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241 def describe(self): | 
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242 """DescribeWorkflowType.""" | 
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243 return self._swf.describe_workflow_type(self.domain, self.name, | 
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244 self.version) | 
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245 @wraps(Layer1.register_workflow_type) | 
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246 def register(self, **kwargs): | 
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247 """RegisterWorkflowType.""" | 
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248 args = { | 
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249 'default_execution_start_to_close_timeout': '3600', | 
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250 'default_task_start_to_close_timeout': '300', | 
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251 'default_child_policy': 'TERMINATE', | 
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252 } | 
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253 args.update(kwargs) | 
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254 self._swf.register_workflow_type(self.domain, self.name, self.version, | 
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255 **args) | 
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256 | 
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257 @wraps(Layer1.deprecate_workflow_type) | 
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258 def deprecate(self): | 
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259 """DeprecateWorkflowType.""" | 
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260 self._swf.deprecate_workflow_type(self.domain, self.name, self.version) | 
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261 | 
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262 @wraps(Layer1.start_workflow_execution) | 
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263 def start(self, **kwargs): | 
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264 """StartWorkflowExecution.""" | 
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265 if 'workflow_id' in kwargs: | 
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266 workflow_id = kwargs['workflow_id'] | 
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267 del kwargs['workflow_id'] | 
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268 else: | 
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269 workflow_id = '%s-%s-%i' % (self.name, self.version, time.time()) | 
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270 | 
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271 for def_attr in ('task_list', 'child_policy'): | 
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272 kwargs[def_attr] = kwargs.get(def_attr, getattr(self, def_attr)) | 
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273 run_id = self._swf.start_workflow_execution(self.domain, workflow_id, | 
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274 self.name, self.version, **kwargs)['runId'] | 
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275 return WorkflowExecution(name=self.name, version=self.version, | 
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276 runId=run_id, domain=self.domain, workflowId=workflow_id, | 
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277 aws_access_key_id=self.aws_access_key_id, | 
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278 aws_secret_access_key=self.aws_secret_access_key) | 
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279 | 
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280 class WorkflowExecution(SWFBase): | 
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281 | 
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282 """An instance of a workflow.""" | 
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283 | 
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284 workflowId = None | 
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285 runId = None | 
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286 | 
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287 @wraps(Layer1.signal_workflow_execution) | 
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288 def signal(self, signame, **kwargs): | 
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289 """SignalWorkflowExecution.""" | 
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290 self._swf.signal_workflow_execution(self.domain, signame, | 
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291 self.workflowId, **kwargs) | 
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292 | 
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293 @wraps(Layer1.terminate_workflow_execution) | 
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294 def terminate(self, **kwargs): | 
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295 """TerminateWorkflowExecution (p. 103).""" | 
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296 return self._swf.terminate_workflow_execution(self.domain, | 
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297 self.workflowId, **kwargs) | 
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298 | 
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299 @wraps(Layer1.get_workflow_execution_history) | 
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300 def history(self, **kwargs): | 
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301 """GetWorkflowExecutionHistory.""" | 
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302 return self._swf.get_workflow_execution_history(self.domain, self.runId, | 
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303 self.workflowId, **kwargs)['events'] | 
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304 | 
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305 @wraps(Layer1.describe_workflow_execution) | 
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306 def describe(self): | 
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307 """DescribeWorkflowExecution.""" | 
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308 return self._swf.describe_workflow_execution(self.domain, self.runId, | 
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309 self.workflowId) | 
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310 | 
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311 @wraps(Layer1.request_cancel_workflow_execution) | 
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312 def request_cancel(self): | 
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313 """RequestCancelWorkflowExecution.""" | 
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314 return self._swf.request_cancel_workflow_execution(self.domain, | 
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315 self.workflowId, self.runId) | 
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316 | 
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317 | 
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318 class ActivityType(SWFBase): | 
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319 | 
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320 """A versioned activity type.""" | 
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321 | 
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322 version = None | 
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323 | 
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324 @wraps(Layer1.deprecate_activity_type) | 
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325 def deprecate(self): | 
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326 """DeprecateActivityType.""" | 
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327 return self._swf.deprecate_activity_type(self.domain, self.name, | 
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328 self.version) | 
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329 | 
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330 @wraps(Layer1.describe_activity_type) | 
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331 def describe(self): | 
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332 """DescribeActivityType.""" | 
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333 return self._swf.describe_activity_type(self.domain, self.name, | 
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334 self.version) | 
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335 | 
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336 @wraps(Layer1.register_activity_type) | 
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337 def register(self, **kwargs): | 
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338 """RegisterActivityType.""" | 
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339 args = { | 
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340 'default_task_heartbeat_timeout': '600', | 
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341 'default_task_schedule_to_close_timeout': '3900', | 
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342 'default_task_schedule_to_start_timeout': '300', | 
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343 'default_task_start_to_close_timeout': '3600', | 
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344 } | 
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345 args.update(kwargs) | 
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346 self._swf.register_activity_type(self.domain, self.name, self.version, | 
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347 **args) | 
