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* Currently this is specific to the case of discretizing a continuous action space. Can easily be adapted to other case by feeding the kNN otherwise, and removing the usage of a discretizing output action filter
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459 lines
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<h1>Source code for rl_coach.memories.backend.redis</h1><div class="highlight"><pre>
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<span></span><span class="c1">#</span>
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<span class="c1"># Copyright (c) 2017 Intel Corporation</span>
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<span class="c1">#</span>
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<span class="c1"># Licensed under the Apache License, Version 2.0 (the "License");</span>
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<span class="c1"># you may not use this file except in compliance with the License.</span>
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<span class="c1"># You may obtain a copy of the License at</span>
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<span class="c1">#</span>
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<span class="c1"># http://www.apache.org/licenses/LICENSE-2.0</span>
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<span class="c1">#</span>
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<span class="c1"># Unless required by applicable law or agreed to in writing, software</span>
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<span class="c1"># distributed under the License is distributed on an "AS IS" BASIS,</span>
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<span class="c1"># WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
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<span class="c1"># See the License for the specific language governing permissions and</span>
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<span class="c1"># limitations under the License.</span>
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<span class="c1">#</span>
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<span class="kn">import</span> <span class="nn">redis</span>
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<span class="kn">import</span> <span class="nn">pickle</span>
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<span class="kn">import</span> <span class="nn">uuid</span>
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<span class="kn">import</span> <span class="nn">time</span>
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<span class="kn">from</span> <span class="nn">rl_coach.memories.backend.memory</span> <span class="k">import</span> <span class="n">MemoryBackend</span><span class="p">,</span> <span class="n">MemoryBackendParameters</span>
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<span class="kn">from</span> <span class="nn">rl_coach.core_types</span> <span class="k">import</span> <span class="n">Transition</span><span class="p">,</span> <span class="n">Episode</span><span class="p">,</span> <span class="n">EnvironmentSteps</span><span class="p">,</span> <span class="n">EnvironmentEpisodes</span>
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<span class="k">class</span> <span class="nc">RedisPubSubMemoryBackendParameters</span><span class="p">(</span><span class="n">MemoryBackendParameters</span><span class="p">):</span>
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<span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">redis_address</span><span class="p">:</span> <span class="nb">str</span><span class="o">=</span><span class="s2">""</span><span class="p">,</span> <span class="n">redis_port</span><span class="p">:</span> <span class="nb">int</span><span class="o">=</span><span class="mi">6379</span><span class="p">,</span> <span class="n">channel</span><span class="p">:</span> <span class="nb">str</span><span class="o">=</span><span class="s2">"channel-</span><span class="si">{}</span><span class="s2">"</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">uuid</span><span class="o">.</span><span class="n">uuid4</span><span class="p">()),</span>
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<span class="n">orchestrator_params</span><span class="p">:</span> <span class="nb">dict</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">run_type</span><span class="o">=</span><span class="s1">'trainer'</span><span class="p">,</span> <span class="n">orchestrator_type</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">"kubernetes"</span><span class="p">,</span> <span class="n">deployed</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="kc">False</span><span class="p">):</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">redis_address</span> <span class="o">=</span> <span class="n">redis_address</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">redis_port</span> <span class="o">=</span> <span class="n">redis_port</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">channel</span> <span class="o">=</span> <span class="n">channel</span>
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<span class="k">if</span> <span class="ow">not</span> <span class="n">orchestrator_params</span><span class="p">:</span>
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<span class="n">orchestrator_params</span> <span class="o">=</span> <span class="p">{}</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">orchestrator_params</span> <span class="o">=</span> <span class="n">orchestrator_params</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">run_type</span> <span class="o">=</span> <span class="n">run_type</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">store_type</span> <span class="o">=</span> <span class="s2">"redispubsub"</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">orchestrator_type</span> <span class="o">=</span> <span class="n">orchestrator_type</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">deployed</span> <span class="o">=</span> <span class="n">deployed</span>
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<div class="viewcode-block" id="RedisPubSubBackend"><a class="viewcode-back" href="../../../../components/memory_backends/index.html#rl_coach.memories.backend.redis.RedisPubSubBackend">[docs]</a><span class="k">class</span> <span class="nc">RedisPubSubBackend</span><span class="p">(</span><span class="n">MemoryBackend</span><span class="p">):</span>
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<span class="sd">"""</span>
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<span class="sd"> A memory backend which transfers the experiences from the rollout to the training worker using Redis Pub/Sub in</span>
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<span class="sd"> Coach when distributed mode is used.</span>
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<span class="sd"> """</span>
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<span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">params</span><span class="p">:</span> <span class="n">RedisPubSubMemoryBackendParameters</span><span class="p">):</span>
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<span class="sd">"""</span>
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<span class="sd"> :param params: The Redis parameters to be used with this Redis Pub/Sub instance.</span>
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<span class="sd"> """</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">params</span> <span class="o">=</span> <span class="n">params</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">redis_connection</span> <span class="o">=</span> <span class="n">redis</span><span class="o">.</span><span class="n">Redis</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">redis_address</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">redis_port</span><span class="p">)</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">redis_server_name</span> <span class="o">=</span> <span class="s1">'redis-server-</span><span class="si">{}</span><span class="s1">'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">uuid</span><span class="o">.</span><span class="n">uuid4</span><span class="p">())</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">redis_service_name</span> <span class="o">=</span> <span class="s1">'redis-service-</span><span class="si">{}</span><span class="s1">'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">uuid</span><span class="o">.</span><span class="n">uuid4</span><span class="p">())</span>
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<span class="k">def</span> <span class="nf">store</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">obj</span><span class="p">):</span>
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<span class="sd">"""</span>
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<span class="sd"> :param obj: The object to store in memory. The object is either a Tranisition or Episode type.</span>
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<span class="sd"> """</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">redis_connection</span><span class="o">.</span><span class="n">publish</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">channel</span><span class="p">,</span> <span class="n">pickle</span><span class="o">.</span><span class="n">dumps</span><span class="p">(</span><span class="n">obj</span><span class="p">))</span>
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<span class="k">def</span> <span class="nf">deploy</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
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<span class="sd">"""</span>
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<span class="sd"> Deploy the Redis Pub/Sub service in an orchestrator.</span>
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<span class="sd"> """</span>
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<span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">deployed</span><span class="p">:</span>
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<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">orchestrator_type</span> <span class="o">==</span> <span class="s1">'kubernetes'</span><span class="p">:</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">deploy_kubernetes</span><span class="p">()</span>
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<span class="c1"># Wait till subscribe to the channel is possible or else it will cause delays in the trainer.</span>
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<span class="n">time</span><span class="o">.</span><span class="n">sleep</span><span class="p">(</span><span class="mi">10</span><span class="p">)</span>
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<span class="k">def</span> <span class="nf">deploy_kubernetes</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
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<span class="sd">"""</span>
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<span class="sd"> Deploy the Redis Pub/Sub service in Kubernetes orchestrator.</span>
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<span class="sd"> """</span>
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<span class="k">if</span> <span class="s1">'namespace'</span> <span class="ow">not</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">orchestrator_params</span><span class="p">:</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">orchestrator_params</span><span class="p">[</span><span class="s1">'namespace'</span><span class="p">]</span> <span class="o">=</span> <span class="s2">"default"</span>
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<span class="kn">from</span> <span class="nn">kubernetes</span> <span class="k">import</span> <span class="n">client</span><span class="p">,</span> <span class="n">config</span>
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<span class="n">container</span> <span class="o">=</span> <span class="n">client</span><span class="o">.</span><span class="n">V1Container</span><span class="p">(</span>
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<span class="n">name</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">redis_server_name</span><span class="p">,</span>
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<span class="n">image</span><span class="o">=</span><span class="s1">'redis:4-alpine'</span><span class="p">,</span>
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<span class="n">resources</span><span class="o">=</span><span class="n">client</span><span class="o">.</span><span class="n">V1ResourceRequirements</span><span class="p">(</span>
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<span class="n">limits</span><span class="o">=</span><span class="p">{</span>
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<span class="s2">"cpu"</span><span class="p">:</span> <span class="s2">"8"</span><span class="p">,</span>
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<span class="s2">"memory"</span><span class="p">:</span> <span class="s2">"4Gi"</span>
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<span class="c1"># "nvidia.com/gpu": "0",</span>
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<span class="p">}</span>
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<span class="p">),</span>
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<span class="p">)</span>
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<span class="n">template</span> <span class="o">=</span> <span class="n">client</span><span class="o">.</span><span class="n">V1PodTemplateSpec</span><span class="p">(</span>
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<span class="n">metadata</span><span class="o">=</span><span class="n">client</span><span class="o">.</span><span class="n">V1ObjectMeta</span><span class="p">(</span><span class="n">labels</span><span class="o">=</span><span class="p">{</span><span class="s1">'app'</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">redis_server_name</span><span class="p">}),</span>
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<span class="n">spec</span><span class="o">=</span><span class="n">client</span><span class="o">.</span><span class="n">V1PodSpec</span><span class="p">(</span>
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<span class="n">containers</span><span class="o">=</span><span class="p">[</span><span class="n">container</span><span class="p">]</span>
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<span class="p">)</span>
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<span class="p">)</span>
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|
<span class="n">deployment_spec</span> <span class="o">=</span> <span class="n">client</span><span class="o">.</span><span class="n">V1DeploymentSpec</span><span class="p">(</span>
|
|
<span class="n">replicas</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span>
|
|
<span class="n">template</span><span class="o">=</span><span class="n">template</span><span class="p">,</span>
|
|
<span class="n">selector</span><span class="o">=</span><span class="n">client</span><span class="o">.</span><span class="n">V1LabelSelector</span><span class="p">(</span>
|
|
<span class="n">match_labels</span><span class="o">=</span><span class="p">{</span><span class="s1">'app'</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">redis_server_name</span><span class="p">}</span>
|
|
<span class="p">)</span>
|
|
<span class="p">)</span>
|
|
|
|
<span class="n">deployment</span> <span class="o">=</span> <span class="n">client</span><span class="o">.</span><span class="n">V1Deployment</span><span class="p">(</span>
|
|
<span class="n">api_version</span><span class="o">=</span><span class="s1">'apps/v1'</span><span class="p">,</span>
|
|
<span class="n">kind</span><span class="o">=</span><span class="s1">'Deployment'</span><span class="p">,</span>
|
|
<span class="n">metadata</span><span class="o">=</span><span class="n">client</span><span class="o">.</span><span class="n">V1ObjectMeta</span><span class="p">(</span><span class="n">name</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">redis_server_name</span><span class="p">,</span> <span class="n">labels</span><span class="o">=</span><span class="p">{</span><span class="s1">'app'</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">redis_server_name</span><span class="p">}),</span>
|
|
<span class="n">spec</span><span class="o">=</span><span class="n">deployment_spec</span>
|
|
<span class="p">)</span>
|
|
|
|
<span class="n">config</span><span class="o">.</span><span class="n">load_kube_config</span><span class="p">()</span>
|
|
<span class="n">api_client</span> <span class="o">=</span> <span class="n">client</span><span class="o">.</span><span class="n">AppsV1Api</span><span class="p">()</span>
|
|
<span class="k">try</span><span class="p">:</span>
|
|
<span class="nb">print</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">orchestrator_params</span><span class="p">)</span>
|
|
<span class="n">api_client</span><span class="o">.</span><span class="n">create_namespaced_deployment</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">orchestrator_params</span><span class="p">[</span><span class="s1">'namespace'</span><span class="p">],</span> <span class="n">deployment</span><span class="p">)</span>
|
|
<span class="k">except</span> <span class="n">client</span><span class="o">.</span><span class="n">rest</span><span class="o">.</span><span class="n">ApiException</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
|
|
<span class="nb">print</span><span class="p">(</span><span class="s2">"Got exception: </span><span class="si">%s</span><span class="se">\n</span><span class="s2"> while creating redis-server"</span><span class="p">,</span> <span class="n">e</span><span class="p">)</span>
|
|
<span class="k">return</span> <span class="kc">False</span>
|
|
|
|
<span class="n">core_v1_api</span> <span class="o">=</span> <span class="n">client</span><span class="o">.</span><span class="n">CoreV1Api</span><span class="p">()</span>
|
|
|
|
<span class="n">service</span> <span class="o">=</span> <span class="n">client</span><span class="o">.</span><span class="n">V1Service</span><span class="p">(</span>
|
|
<span class="n">api_version</span><span class="o">=</span><span class="s1">'v1'</span><span class="p">,</span>
|
|
<span class="n">kind</span><span class="o">=</span><span class="s1">'Service'</span><span class="p">,</span>
|
|
<span class="n">metadata</span><span class="o">=</span><span class="n">client</span><span class="o">.</span><span class="n">V1ObjectMeta</span><span class="p">(</span>
|
|
<span class="n">name</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">redis_service_name</span>
|
|
<span class="p">),</span>
|
|
<span class="n">spec</span><span class="o">=</span><span class="n">client</span><span class="o">.</span><span class="n">V1ServiceSpec</span><span class="p">(</span>
|
|
<span class="n">selector</span><span class="o">=</span><span class="p">{</span><span class="s1">'app'</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">redis_server_name</span><span class="p">},</span>
|
|
<span class="n">ports</span><span class="o">=</span><span class="p">[</span><span class="n">client</span><span class="o">.</span><span class="n">V1ServicePort</span><span class="p">(</span>
|
|
<span class="n">protocol</span><span class="o">=</span><span class="s1">'TCP'</span><span class="p">,</span>
|
|
<span class="n">port</span><span class="o">=</span><span class="mi">6379</span><span class="p">,</span>
|
|
<span class="n">target_port</span><span class="o">=</span><span class="mi">6379</span>
|
|
<span class="p">)]</span>
|
|
<span class="p">)</span>
|
|
<span class="p">)</span>
|
|
|
|
<span class="k">try</span><span class="p">:</span>
|
|
<span class="n">core_v1_api</span><span class="o">.</span><span class="n">create_namespaced_service</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">orchestrator_params</span><span class="p">[</span><span class="s1">'namespace'</span><span class="p">],</span> <span class="n">service</span><span class="p">)</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">redis_address</span> <span class="o">=</span> <span class="s1">'</span><span class="si">{}</span><span class="s1">.</span><span class="si">{}</span><span class="s1">.svc'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">redis_service_name</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">orchestrator_params</span><span class="p">[</span><span class="s1">'namespace'</span><span class="p">]</span>
|
|
<span class="p">)</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">redis_port</span> <span class="o">=</span> <span class="mi">6379</span>
|
|
<span class="k">return</span> <span class="kc">True</span>
|
|
<span class="k">except</span> <span class="n">client</span><span class="o">.</span><span class="n">rest</span><span class="o">.</span><span class="n">ApiException</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
|
|
<span class="nb">print</span><span class="p">(</span><span class="s2">"Got exception: </span><span class="si">%s</span><span class="se">\n</span><span class="s2"> while creating a service for redis-server"</span><span class="p">,</span> <span class="n">e</span><span class="p">)</span>
|
|
<span class="k">return</span> <span class="kc">False</span>
|
|
|
|
<span class="k">def</span> <span class="nf">undeploy</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
|
<span class="sd">"""</span>
|
|
<span class="sd"> Undeploy the Redis Pub/Sub service in an orchestrator.</span>
|
|
<span class="sd"> """</span>
|
|
<span class="kn">from</span> <span class="nn">kubernetes</span> <span class="k">import</span> <span class="n">client</span>
|
|
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">deployed</span><span class="p">:</span>
|
|
<span class="k">return</span>
|
|
|
|
<span class="kn">from</span> <span class="nn">kubernetes</span> <span class="k">import</span> <span class="n">client</span>
|
|
<span class="n">api_client</span> <span class="o">=</span> <span class="n">client</span><span class="o">.</span><span class="n">AppsV1Api</span><span class="p">()</span>
|
|
<span class="n">delete_options</span> <span class="o">=</span> <span class="n">client</span><span class="o">.</span><span class="n">V1DeleteOptions</span><span class="p">()</span>
|
|
<span class="k">try</span><span class="p">:</span>
|
|
<span class="n">api_client</span><span class="o">.</span><span class="n">delete_namespaced_deployment</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">redis_server_name</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">orchestrator_params</span><span class="p">[</span><span class="s1">'namespace'</span><span class="p">],</span> <span class="n">delete_options</span><span class="p">)</span>
|
|
<span class="k">except</span> <span class="n">client</span><span class="o">.</span><span class="n">rest</span><span class="o">.</span><span class="n">ApiException</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
|
|
<span class="nb">print</span><span class="p">(</span><span class="s2">"Got exception: </span><span class="si">%s</span><span class="se">\n</span><span class="s2"> while deleting redis-server"</span><span class="p">,</span> <span class="n">e</span><span class="p">)</span>
|
|
|
|
<span class="n">api_client</span> <span class="o">=</span> <span class="n">client</span><span class="o">.</span><span class="n">CoreV1Api</span><span class="p">()</span>
|
|
<span class="k">try</span><span class="p">:</span>
|
|
<span class="n">api_client</span><span class="o">.</span><span class="n">delete_namespaced_service</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">redis_service_name</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">orchestrator_params</span><span class="p">[</span><span class="s1">'namespace'</span><span class="p">],</span> <span class="n">delete_options</span><span class="p">)</span>
|
|
<span class="k">except</span> <span class="n">client</span><span class="o">.</span><span class="n">rest</span><span class="o">.</span><span class="n">ApiException</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
|
|
<span class="nb">print</span><span class="p">(</span><span class="s2">"Got exception: </span><span class="si">%s</span><span class="se">\n</span><span class="s2"> while deleting redis-server"</span><span class="p">,</span> <span class="n">e</span><span class="p">)</span>
|
|
|
|
<span class="k">def</span> <span class="nf">sample</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">size</span><span class="p">):</span>
|
|
<span class="k">pass</span>
|
|
|
|
<span class="k">def</span> <span class="nf">fetch</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">num_consecutive_playing_steps</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
|
|
<span class="sd">"""</span>
|
|
<span class="sd"> :param num_consecutive_playing_steps: The number steps to fetch.</span>
|
|
<span class="sd"> """</span>
|
|
<span class="k">return</span> <span class="n">RedisSub</span><span class="p">(</span><span class="n">redis_address</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">redis_address</span><span class="p">,</span> <span class="n">redis_port</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">redis_port</span><span class="p">,</span> <span class="n">channel</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">channel</span><span class="p">)</span><span class="o">.</span><span class="n">run</span><span class="p">(</span><span class="n">num_consecutive_playing_steps</span><span class="p">)</span>
|
|
|
|
<span class="k">def</span> <span class="nf">subscribe</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">agent</span><span class="p">):</span>
|
|
<span class="sd">"""</span>
|
|
<span class="sd"> :param agent: The agent in use.</span>
|
|
<span class="sd"> """</span>
|
|
<span class="n">redis_sub</span> <span class="o">=</span> <span class="n">RedisSub</span><span class="p">(</span><span class="n">redis_address</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">redis_address</span><span class="p">,</span> <span class="n">redis_port</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">redis_port</span><span class="p">,</span> <span class="n">channel</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">channel</span><span class="p">)</span>
|
|
<span class="k">return</span> <span class="n">redis_sub</span>
|
|
|
|
<span class="k">def</span> <span class="nf">get_endpoint</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
|
<span class="k">return</span> <span class="p">{</span><span class="s1">'redis_address'</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">redis_address</span><span class="p">,</span>
|
|
<span class="s1">'redis_port'</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">redis_port</span><span class="p">}</span></div>
|
|
|
|
|
|
<span class="k">class</span> <span class="nc">RedisSub</span><span class="p">(</span><span class="nb">object</span><span class="p">):</span>
|
|
<span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">redis_address</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">"localhost"</span><span class="p">,</span> <span class="n">redis_port</span><span class="p">:</span> <span class="nb">int</span><span class="o">=</span><span class="mi">6379</span><span class="p">,</span> <span class="n">channel</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">"PubsubChannel"</span><span class="p">):</span>
|
|
<span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">()</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">redis_connection</span> <span class="o">=</span> <span class="n">redis</span><span class="o">.</span><span class="n">Redis</span><span class="p">(</span><span class="n">redis_address</span><span class="p">,</span> <span class="n">redis_port</span><span class="p">)</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">pubsub</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">redis_connection</span><span class="o">.</span><span class="n">pubsub</span><span class="p">()</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">subscriber</span> <span class="o">=</span> <span class="kc">None</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">channel</span> <span class="o">=</span> <span class="n">channel</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">subscriber</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">pubsub</span><span class="o">.</span><span class="n">subscribe</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">channel</span><span class="p">)</span>
|
|
|
|
<span class="k">def</span> <span class="nf">run</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">num_consecutive_playing_steps</span><span class="p">):</span>
|
|
<span class="sd">"""</span>
|
|
<span class="sd"> :param num_consecutive_playing_steps: The number steps to fetch.</span>
|
|
<span class="sd"> """</span>
|
|
<span class="n">transitions</span> <span class="o">=</span> <span class="mi">0</span>
|
|
<span class="n">episodes</span> <span class="o">=</span> <span class="mi">0</span>
|
|
<span class="n">steps</span> <span class="o">=</span> <span class="mi">0</span>
|
|
<span class="k">for</span> <span class="n">message</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">pubsub</span><span class="o">.</span><span class="n">listen</span><span class="p">():</span>
|
|
<span class="k">if</span> <span class="n">message</span> <span class="ow">and</span> <span class="s1">'data'</span> <span class="ow">in</span> <span class="n">message</span><span class="p">:</span>
|
|
<span class="k">try</span><span class="p">:</span>
|
|
<span class="n">obj</span> <span class="o">=</span> <span class="n">pickle</span><span class="o">.</span><span class="n">loads</span><span class="p">(</span><span class="n">message</span><span class="p">[</span><span class="s1">'data'</span><span class="p">])</span>
|
|
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="n">obj</span><span class="p">)</span> <span class="o">==</span> <span class="n">Transition</span><span class="p">:</span>
|
|
<span class="n">transitions</span> <span class="o">+=</span> <span class="mi">1</span>
|
|
<span class="k">if</span> <span class="n">obj</span><span class="o">.</span><span class="n">game_over</span><span class="p">:</span>
|
|
<span class="n">episodes</span> <span class="o">+=</span> <span class="mi">1</span>
|
|
<span class="k">yield</span> <span class="n">obj</span>
|
|
<span class="k">elif</span> <span class="nb">type</span><span class="p">(</span><span class="n">obj</span><span class="p">)</span> <span class="o">==</span> <span class="n">Episode</span><span class="p">:</span>
|
|
<span class="n">episodes</span> <span class="o">+=</span> <span class="mi">1</span>
|
|
<span class="n">transitions</span> <span class="o">+=</span> <span class="nb">len</span><span class="p">(</span><span class="n">obj</span><span class="o">.</span><span class="n">transitions</span><span class="p">)</span>
|
|
<span class="k">yield from</span> <span class="n">obj</span><span class="o">.</span><span class="n">transitions</span>
|
|
<span class="k">except</span> <span class="ne">Exception</span><span class="p">:</span>
|
|
<span class="k">continue</span>
|
|
|
|
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="n">num_consecutive_playing_steps</span><span class="p">)</span> <span class="o">==</span> <span class="n">EnvironmentSteps</span><span class="p">:</span>
|
|
<span class="n">steps</span> <span class="o">=</span> <span class="n">transitions</span>
|
|
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="n">num_consecutive_playing_steps</span><span class="p">)</span> <span class="o">==</span> <span class="n">EnvironmentEpisodes</span><span class="p">:</span>
|
|
<span class="n">steps</span> <span class="o">=</span> <span class="n">episodes</span>
|
|
|
|
<span class="k">if</span> <span class="n">steps</span> <span class="o">>=</span> <span class="n">num_consecutive_playing_steps</span><span class="o">.</span><span class="n">num_steps</span><span class="p">:</span>
|
|
<span class="k">break</span>
|
|
</pre></div>
|
|
|
|
</div>
|
|
|
|
</div>
|
|
<footer>
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<hr/>
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<div role="contentinfo">
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<p>
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|
© Copyright 2018-2019, Intel AI Lab
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</p>
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</div>
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