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errors.html
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<title>contentful.errors — Contentful 1.12.1 documentation</title>
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<h1>Source code for contentful.errors</h1><div class="highlight"><pre>
<span></span><span class="sd">"""</span>
<span class="sd">contentful.errors</span>
<span class="sd">~~~~~~~~~~~~~~~~~</span>
<span class="sd">This module implements the Error classes.</span>
<span class="sd">API Reference: https://www.contentful.com/developers/docs/references/content-delivery-api/#/introduction/errors</span>
<span class="sd">:copyright: (c) 2016 by Contentful GmbH.</span>
<span class="sd">:license: MIT, see LICENSE for more details.</span>
<span class="sd">"""</span>
<div class="viewcode-block" id="HTTPError"><a class="viewcode-back" href="../../contentful.html#contentful.errors.HTTPError">[docs]</a><span class="k">class</span> <span class="nc">HTTPError</span><span class="p">(</span><span class="ne">Exception</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Base HTTP Error Class</span>
<span class="sd"> """</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">response</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">response</span> <span class="o">=</span> <span class="n">response</span>
<span class="bp">self</span><span class="o">.</span><span class="n">status_code</span> <span class="o">=</span> <span class="n">response</span><span class="o">.</span><span class="n">status_code</span>
<span class="n">message</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_best_available_message</span><span class="p">(</span><span class="n">response</span><span class="p">)</span>
<span class="nb">super</span><span class="p">(</span><span class="n">HTTPError</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="n">message</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">_default_error_message</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">return</span> <span class="s2">"The following error was received: </span><span class="si">{0}</span><span class="s2">"</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">response</span><span class="o">.</span><span class="n">text</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">_handle_details</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">details</span><span class="p">):</span>
<span class="k">return</span> <span class="s2">"</span><span class="si">{0}</span><span class="s2">"</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">details</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">_has_additional_error_info</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">return</span> <span class="kc">False</span>
<span class="k">def</span> <span class="nf">_additional_error_info</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="k">def</span> <span class="nf">_best_available_message</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">response</span><span class="p">):</span>
<span class="kn">from</span> <span class="nn">.utils</span> <span class="k">import</span> <span class="n">json_error_class</span>
<span class="n">response_json</span> <span class="o">=</span> <span class="kc">None</span>
<span class="n">error_message</span> <span class="o">=</span> <span class="p">[</span>
<span class="s2">"HTTP status code: </span><span class="si">{0}</span><span class="s2">"</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">status_code</span><span class="p">),</span>
<span class="p">]</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">response_json</span> <span class="o">=</span> <span class="n">response</span><span class="o">.</span><span class="n">json</span><span class="p">()</span>
<span class="n">message</span> <span class="o">=</span> <span class="n">response_json</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'message'</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
<span class="n">details</span> <span class="o">=</span> <span class="n">response_json</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'details'</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
<span class="n">request_id</span> <span class="o">=</span> <span class="n">response_json</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'requestId'</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
<span class="k">if</span> <span class="n">message</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">error_message</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"Message: </span><span class="si">{0}</span><span class="s2">"</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">message</span><span class="p">))</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">error_message</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"Message: </span><span class="si">{0}</span><span class="s2">"</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">_default_error_message</span><span class="p">()))</span>
<span class="k">if</span> <span class="n">details</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">error_message</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"Details: </span><span class="si">{0}</span><span class="s2">"</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">_handle_details</span><span class="p">(</span><span class="n">details</span><span class="p">)))</span>
<span class="k">if</span> <span class="n">request_id</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">error_message</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"Request ID: </span><span class="si">{0}</span><span class="s2">"</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">request_id</span><span class="p">))</span>
<span class="k">except</span> <span class="n">json_error_class</span><span class="p">():</span>
<span class="n">error_message</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"Message: </span><span class="si">{0}</span><span class="s2">"</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">_default_error_message</span><span class="p">()))</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_has_additional_error_info</span><span class="p">():</span>
<span class="n">error_message</span> <span class="o">+=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_additional_error_info</span><span class="p">()</span>
<span class="k">return</span> <span class="s2">"</span><span class="se">\n</span><span class="s2">"</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">error_message</span><span class="p">)</span></div>
<div class="viewcode-block" id="BadRequestError"><a class="viewcode-back" href="../../contentful.html#contentful.errors.BadRequestError">[docs]</a><span class="k">class</span> <span class="nc">BadRequestError</span><span class="p">(</span><span class="n">HTTPError</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> 400</span>
<span class="sd"> """</span>
<span class="k">def</span> <span class="nf">_default_error_message</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">return</span> <span class="s2">"The request was malformed or missing a required parameter."</span>
<span class="k">def</span> <span class="nf">_handle_details</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">details</span><span class="p">):</span>
<span class="kn">from</span> <span class="nn">.utils</span> <span class="k">import</span> <span class="n">string_class</span>
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">details</span><span class="p">,</span> <span class="n">string_class</span><span class="p">()):</span>
<span class="k">return</span> <span class="n">details</span>
<span class="k">def</span> <span class="nf">_handle_detail</span><span class="p">(</span><span class="n">detail</span><span class="p">):</span>
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">detail</span><span class="p">,</span> <span class="n">string_class</span><span class="p">()):</span>
<span class="k">return</span> <span class="n">detail</span>
<span class="k">return</span> <span class="n">detail</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'details'</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
<span class="n">inner_details</span> <span class="o">=</span> <span class="p">[</span><span class="n">_handle_detail</span><span class="p">(</span><span class="n">detail</span><span class="p">)</span> <span class="k">for</span> <span class="n">detail</span> <span class="ow">in</span> <span class="n">details</span><span class="p">[</span><span class="s1">'errors'</span><span class="p">]]</span>
<span class="n">inner_details</span> <span class="o">=</span> <span class="p">[</span><span class="n">detail</span> <span class="k">for</span> <span class="n">detail</span> <span class="ow">in</span> <span class="n">inner_details</span> <span class="k">if</span> <span class="n">detail</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">]</span> <span class="c1"># This works in both Py2 and Py3</span>
<span class="k">return</span> <span class="s2">"</span><span class="se">\n\t</span><span class="s2">"</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">inner_details</span><span class="p">)</span></div>
<div class="viewcode-block" id="UnauthorizedError"><a class="viewcode-back" href="../../contentful.html#contentful.errors.UnauthorizedError">[docs]</a><span class="k">class</span> <span class="nc">UnauthorizedError</span><span class="p">(</span><span class="n">HTTPError</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> 401</span>
<span class="sd"> """</span>
<span class="k">def</span> <span class="nf">_default_error_message</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">return</span> <span class="s2">"The authorization token was invalid."</span></div>
<div class="viewcode-block" id="AccessDeniedError"><a class="viewcode-back" href="../../contentful.html#contentful.errors.AccessDeniedError">[docs]</a><span class="k">class</span> <span class="nc">AccessDeniedError</span><span class="p">(</span><span class="n">HTTPError</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> 403</span>
<span class="sd"> """</span>
<span class="k">def</span> <span class="nf">_default_error_message</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">return</span> <span class="s2">"The specified token does not have access to the requested resource."</span>
<span class="k">def</span> <span class="nf">_handle_details</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">details</span><span class="p">):</span>
<span class="k">return</span> <span class="s2">"</span><span class="se">\n\t</span><span class="s2">Reasons:</span><span class="se">\n\t\t</span><span class="si">{0}</span><span class="s2">"</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="s2">"</span><span class="se">\n\t\t</span><span class="s2">"</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">details</span><span class="p">[</span><span class="s1">'reasons'</span><span class="p">]))</span></div>
<div class="viewcode-block" id="NotFoundError"><a class="viewcode-back" href="../../contentful.html#contentful.errors.NotFoundError">[docs]</a><span class="k">class</span> <span class="nc">NotFoundError</span><span class="p">(</span><span class="n">HTTPError</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> 404</span>
<span class="sd"> """</span>
<span class="k">def</span> <span class="nf">_default_error_message</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">return</span> <span class="s2">"The requested resource or endpoint could not be found."</span>
<span class="k">def</span> <span class="nf">_handle_details</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">details</span><span class="p">):</span>
<span class="kn">from</span> <span class="nn">.utils</span> <span class="k">import</span> <span class="n">string_class</span>
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">details</span><span class="p">,</span> <span class="n">string_class</span><span class="p">()):</span>
<span class="k">return</span> <span class="n">details</span>
<span class="n">resource_type</span> <span class="o">=</span> <span class="kc">None</span>
<span class="n">resource_id</span> <span class="o">=</span> <span class="kc">None</span>
<span class="k">if</span> <span class="s1">'sys'</span> <span class="ow">in</span> <span class="n">details</span><span class="p">:</span>
<span class="n">resource_type</span> <span class="o">=</span> <span class="n">details</span><span class="p">[</span><span class="s1">'sys'</span><span class="p">]</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'type'</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
<span class="n">resource_id</span> <span class="o">=</span> <span class="n">details</span><span class="p">[</span><span class="s1">'sys'</span><span class="p">]</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'id'</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">resource_type</span> <span class="o">=</span> <span class="n">details</span><span class="p">[</span><span class="s1">'type'</span><span class="p">]</span>
<span class="n">resource_id</span> <span class="o">=</span> <span class="n">details</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'id'</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
<span class="n">message</span> <span class="o">=</span> <span class="s2">"The requested </span><span class="si">{0}</span><span class="s2"> could not be found."</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">resource_type</span><span class="p">)</span>
<span class="k">if</span> <span class="n">resource_id</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">message</span> <span class="o">+=</span> <span class="s2">" ID: </span><span class="si">{0}</span><span class="s2">."</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">resource_id</span><span class="p">)</span>
<span class="k">return</span> <span class="n">message</span></div>
<div class="viewcode-block" id="RateLimitExceededError"><a class="viewcode-back" href="../../contentful.html#contentful.errors.RateLimitExceededError">[docs]</a><span class="k">class</span> <span class="nc">RateLimitExceededError</span><span class="p">(</span><span class="n">HTTPError</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> 429</span>
<span class="sd"> """</span>
<span class="n">RATE_LIMIT_RESET_HEADER_KEY</span> <span class="o">=</span> <span class="s1">'x-contentful-ratelimit-reset'</span>
<span class="k">def</span> <span class="nf">_has_reset_time</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">RATE_LIMIT_RESET_HEADER_KEY</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">response</span><span class="o">.</span><span class="n">headers</span>
<div class="viewcode-block" id="RateLimitExceededError.reset_time"><a class="viewcode-back" href="../../contentful.html#contentful.errors.RateLimitExceededError.reset_time">[docs]</a> <span class="k">def</span> <span class="nf">reset_time</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""Returns the reset time in seconds until next available request."""</span>
<span class="k">return</span> <span class="nb">int</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">response</span><span class="o">.</span><span class="n">headers</span><span class="p">[</span>
<span class="bp">self</span><span class="o">.</span><span class="n">RATE_LIMIT_RESET_HEADER_KEY</span>
<span class="p">])</span></div>
<span class="k">def</span> <span class="nf">_has_additional_error_info</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_has_reset_time</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">_additional_error_info</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="s2">"Time until reset (seconds): </span><span class="si">{0}</span><span class="s2">"</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">reset_time</span><span class="p">())]</span>
<span class="k">def</span> <span class="nf">_default_error_message</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">return</span> <span class="s2">"Rate limit exceeded. Too many requests."</span></div>
<div class="viewcode-block" id="ServerError"><a class="viewcode-back" href="../../contentful.html#contentful.errors.ServerError">[docs]</a><span class="k">class</span> <span class="nc">ServerError</span><span class="p">(</span><span class="n">HTTPError</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> 500</span>
<span class="sd"> """</span>
<span class="k">def</span> <span class="nf">_default_error_message</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">return</span> <span class="s2">"Internal server error."</span></div>
<div class="viewcode-block" id="BadGatewayError"><a class="viewcode-back" href="../../contentful.html#contentful.errors.BadGatewayError">[docs]</a><span class="k">class</span> <span class="nc">BadGatewayError</span><span class="p">(</span><span class="n">HTTPError</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> 502</span>
<span class="sd"> """</span>
<span class="k">def</span> <span class="nf">_default_error_message</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">return</span> <span class="s2">"The requested space is hibernated."</span></div>
<div class="viewcode-block" id="ServiceUnavailableError"><a class="viewcode-back" href="../../contentful.html#contentful.errors.ServiceUnavailableError">[docs]</a><span class="k">class</span> <span class="nc">ServiceUnavailableError</span><span class="p">(</span><span class="n">HTTPError</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> 503</span>
<span class="sd"> """</span>
<span class="k">def</span> <span class="nf">_default_error_message</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">return</span> <span class="s2">"The request was malformed or missing a required parameter."</span></div>
<div class="viewcode-block" id="EntryNotFoundError"><a class="viewcode-back" href="../../contentful.html#contentful.errors.EntryNotFoundError">[docs]</a><span class="k">class</span> <span class="nc">EntryNotFoundError</span><span class="p">(</span><span class="ne">Exception</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Error for entry not found.</span>
<span class="sd"> """</span>
<span class="k">pass</span></div>
<div class="viewcode-block" id="get_error"><a class="viewcode-back" href="../../contentful.html#contentful.errors.get_error">[docs]</a><span class="k">def</span> <span class="nf">get_error</span><span class="p">(</span><span class="n">response</span><span class="p">):</span>
<span class="sd">"""Gets Error by HTTP Status Code"""</span>
<span class="n">errors</span> <span class="o">=</span> <span class="p">{</span>
<span class="mi">400</span><span class="p">:</span> <span class="n">BadRequestError</span><span class="p">,</span>
<span class="mi">401</span><span class="p">:</span> <span class="n">UnauthorizedError</span><span class="p">,</span>
<span class="mi">403</span><span class="p">:</span> <span class="n">AccessDeniedError</span><span class="p">,</span>
<span class="mi">404</span><span class="p">:</span> <span class="n">NotFoundError</span><span class="p">,</span>
<span class="mi">429</span><span class="p">:</span> <span class="n">RateLimitExceededError</span><span class="p">,</span>
<span class="mi">500</span><span class="p">:</span> <span class="n">ServerError</span><span class="p">,</span>
<span class="mi">502</span><span class="p">:</span> <span class="n">BadGatewayError</span><span class="p">,</span>
<span class="mi">503</span><span class="p">:</span> <span class="n">ServiceUnavailableError</span>
<span class="p">}</span>
<span class="n">error_class</span> <span class="o">=</span> <span class="n">HTTPError</span>
<span class="k">if</span> <span class="n">response</span><span class="o">.</span><span class="n">status_code</span> <span class="ow">in</span> <span class="n">errors</span><span class="p">:</span>
<span class="n">error_class</span> <span class="o">=</span> <span class="n">errors</span><span class="p">[</span><span class="n">response</span><span class="o">.</span><span class="n">status_code</span><span class="p">]</span>
<span class="k">return</span> <span class="n">error_class</span><span class="p">(</span><span class="n">response</span><span class="p">)</span></div>
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