<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>django.core.exceptions — Django 1.6.7 documentation</title> <link rel="stylesheet" href="../../../_static/default.css" type="text/css" /> <link rel="stylesheet" href="../../../_static/pygments.css" type="text/css" /> <script type="text/javascript"> var DOCUMENTATION_OPTIONS = { URL_ROOT: '../../../', VERSION: '1.6.7', COLLAPSE_INDEX: false, FILE_SUFFIX: '.html', HAS_SOURCE: true }; </script> <script type="text/javascript" src="../../../_static/jquery.js"></script> <script type="text/javascript" src="../../../_static/underscore.js"></script> <script type="text/javascript" src="../../../_static/doctools.js"></script> <link rel="top" title="Django 1.6.7 documentation" href="../../../index.html" /> <link rel="up" title="Module code" 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class="sd">"""</span> <span class="kn">from</span> <span class="nn">functools</span> <span class="kn">import</span> <span class="nb">reduce</span> <span class="kn">import</span> <span class="nn">operator</span> <span class="kn">from</span> <span class="nn">django.utils.encoding</span> <span class="kn">import</span> <span class="n">force_text</span> <span class="k">class</span> <span class="nc">DjangoRuntimeWarning</span><span class="p">(</span><span class="ne">RuntimeWarning</span><span class="p">):</span> <span class="k">pass</span> <div class="viewcode-block" id="ObjectDoesNotExist"><a class="viewcode-back" href="../../../ref/exceptions.html#django.core.exceptions.ObjectDoesNotExist">[docs]</a><span class="k">class</span> <span class="nc">ObjectDoesNotExist</span><span class="p">(</span><span class="ne">Exception</span><span class="p">):</span> <span class="sd">"""The requested object does not exist"""</span> <span class="n">silent_variable_failure</span> <span class="o">=</span> <span class="bp">True</span> </div> <div class="viewcode-block" id="MultipleObjectsReturned"><a class="viewcode-back" href="../../../ref/exceptions.html#django.core.exceptions.MultipleObjectsReturned">[docs]</a><span class="k">class</span> <span class="nc">MultipleObjectsReturned</span><span class="p">(</span><span class="ne">Exception</span><span class="p">):</span> <span class="sd">"""The query returned multiple objects when only one was expected."""</span> <span class="k">pass</span> </div> <div class="viewcode-block" id="SuspiciousOperation"><a class="viewcode-back" href="../../../ref/exceptions.html#django.core.exceptions.SuspiciousOperation">[docs]</a><span class="k">class</span> <span class="nc">SuspiciousOperation</span><span class="p">(</span><span class="ne">Exception</span><span class="p">):</span> <span class="sd">"""The user did something suspicious"""</span> </div> <span class="k">class</span> <span class="nc">SuspiciousMultipartForm</span><span class="p">(</span><span class="n">SuspiciousOperation</span><span class="p">):</span> <span class="sd">"""Suspect MIME request in multipart form data"""</span> <span class="k">pass</span> <span class="k">class</span> <span class="nc">SuspiciousFileOperation</span><span class="p">(</span><span class="n">SuspiciousOperation</span><span class="p">):</span> <span class="sd">"""A Suspicious filesystem operation was attempted"""</span> <span class="k">pass</span> <span class="k">class</span> <span class="nc">DisallowedHost</span><span class="p">(</span><span class="n">SuspiciousOperation</span><span class="p">):</span> <span class="sd">"""HTTP_HOST header contains invalid value"""</span> <span class="k">pass</span> <span class="k">class</span> <span class="nc">DisallowedRedirect</span><span class="p">(</span><span class="n">SuspiciousOperation</span><span class="p">):</span> <span class="sd">"""Redirect to scheme not in allowed list"""</span> <span class="k">pass</span> <div class="viewcode-block" id="PermissionDenied"><a class="viewcode-back" href="../../../ref/exceptions.html#django.core.exceptions.PermissionDenied">[docs]</a><span class="k">class</span> <span class="nc">PermissionDenied</span><span class="p">(</span><span class="ne">Exception</span><span class="p">):</span> <span class="sd">"""The user did not have permission to do that"""</span> <span class="k">pass</span> </div> <div class="viewcode-block" id="ViewDoesNotExist"><a class="viewcode-back" href="../../../ref/exceptions.html#django.core.exceptions.ViewDoesNotExist">[docs]</a><span class="k">class</span> <span class="nc">ViewDoesNotExist</span><span class="p">(</span><span class="ne">Exception</span><span class="p">):</span> <span class="sd">"""The requested view does not exist"""</span> <span class="k">pass</span> </div> <div class="viewcode-block" id="MiddlewareNotUsed"><a class="viewcode-back" href="../../../ref/exceptions.html#django.core.exceptions.MiddlewareNotUsed">[docs]</a><span class="k">class</span> <span class="nc">MiddlewareNotUsed</span><span class="p">(</span><span class="ne">Exception</span><span class="p">):</span> <span class="sd">"""This middleware is not used in this server configuration"""</span> <span class="k">pass</span> </div> <div class="viewcode-block" id="ImproperlyConfigured"><a class="viewcode-back" href="../../../ref/exceptions.html#django.core.exceptions.ImproperlyConfigured">[docs]</a><span class="k">class</span> <span class="nc">ImproperlyConfigured</span><span class="p">(</span><span class="ne">Exception</span><span class="p">):</span> <span class="sd">"""Django is somehow improperly configured"""</span> <span class="k">pass</span> </div> <div class="viewcode-block" id="FieldError"><a class="viewcode-back" href="../../../ref/exceptions.html#django.core.exceptions.FieldError">[docs]</a><span class="k">class</span> <span class="nc">FieldError</span><span class="p">(</span><span class="ne">Exception</span><span class="p">):</span> <span class="sd">"""Some kind of problem with a model field."""</span> <span class="k">pass</span> </div> <span class="n">NON_FIELD_ERRORS</span> <span class="o">=</span> <span class="s">'__all__'</span> <div class="viewcode-block" id="ValidationError"><a class="viewcode-back" href="../../../ref/exceptions.html#django.core.exceptions.ValidationError">[docs]</a><span class="k">class</span> <span class="nc">ValidationError</span><span class="p">(</span><span class="ne">Exception</span><span class="p">):</span> <span class="sd">"""An error while validating data."""</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">message</span><span class="p">,</span> <span class="n">code</span><span class="o">=</span><span class="bp">None</span><span class="p">,</span> <span class="n">params</span><span class="o">=</span><span class="bp">None</span><span class="p">):</span> <span class="sd">"""</span> <span class="sd"> ValidationError can be passed any object that can be printed (usually</span> <span class="sd"> a string), a list of objects or a dictionary.</span> <span class="sd"> """</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">message</span><span class="p">,</span> <span class="nb">dict</span><span class="p">):</span> <span class="bp">self</span><span class="o">.</span><span class="n">error_dict</span> <span class="o">=</span> <span class="n">message</span> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">message</span><span class="p">,</span> <span class="nb">list</span><span class="p">):</span> <span class="bp">self</span><span class="o">.</span><span class="n">error_list</span> <span class="o">=</span> <span class="n">message</span> <span class="k">else</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">code</span> <span class="o">=</span> <span class="n">code</span> <span class="bp">self</span><span class="o">.</span><span class="n">params</span> <span class="o">=</span> <span class="n">params</span> <span class="bp">self</span><span class="o">.</span><span class="n">message</span> <span class="o">=</span> <span class="n">message</span> <span class="bp">self</span><span class="o">.</span><span class="n">error_list</span> <span class="o">=</span> <span class="p">[</span><span class="bp">self</span><span class="p">]</span> <span class="nd">@property</span> <span class="k">def</span> <span class="nf">message_dict</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> <span class="n">message_dict</span> <span class="o">=</span> <span class="p">{}</span> <span class="k">for</span> <span class="n">field</span><span class="p">,</span> <span class="n">messages</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">error_dict</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> <span class="n">message_dict</span><span class="p">[</span><span class="n">field</span><span class="p">]</span> <span class="o">=</span> <span class="p">[]</span> <span class="k">for</span> <span class="n">message</span> <span class="ow">in</span> <span class="n">messages</span><span class="p">:</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">message</span><span class="p">,</span> <span class="n">ValidationError</span><span class="p">):</span> <span class="n">message_dict</span><span class="p">[</span><span class="n">field</span><span class="p">]</span><span class="o">.</span><span class="n">extend</span><span class="p">(</span><span class="n">message</span><span class="o">.</span><span class="n">messages</span><span class="p">)</span> <span class="k">else</span><span class="p">:</span> <span class="n">message_dict</span><span class="p">[</span><span class="n">field</span><span class="p">]</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">force_text</span><span class="p">(</span><span class="n">message</span><span class="p">))</span> <span class="k">return</span> <span class="n">message_dict</span> <span class="nd">@property</span> <span class="k">def</span> <span class="nf">messages</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> <span class="k">if</span> <span class="nb">hasattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s">'error_dict'</span><span class="p">):</span> <span class="n">message_list</span> <span class="o">=</span> <span class="nb">reduce</span><span class="p">(</span><span class="n">operator</span><span class="o">.</span><span class="n">add</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">error_dict</span><span class="o">.</span><span class="n">values</span><span class="p">())</span> <span class="k">else</span><span class="p">:</span> <span class="n">message_list</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">error_list</span> <span class="n">messages</span> <span class="o">=</span> <span class="p">[]</span> <span class="k">for</span> <span class="n">message</span> <span class="ow">in</span> <span class="n">message_list</span><span class="p">:</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">message</span><span class="p">,</span> <span class="n">ValidationError</span><span class="p">):</span> <span class="n">params</span> <span class="o">=</span> <span class="n">message</span><span class="o">.</span><span class="n">params</span> <span class="n">message</span> <span class="o">=</span> <span class="n">message</span><span class="o">.</span><span class="n">message</span> <span class="k">if</span> <span class="n">params</span><span class="p">:</span> <span class="n">message</span> <span class="o">%=</span> <span class="n">params</span> <span class="n">message</span> <span class="o">=</span> <span class="n">force_text</span><span class="p">(</span><span class="n">message</span><span class="p">)</span> <span class="n">messages</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">message</span><span class="p">)</span> <span class="k">return</span> <span class="n">messages</span> <span class="k">def</span> <span class="nf">__str__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> <span class="k">if</span> <span class="nb">hasattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s">'error_dict'</span><span class="p">):</span> <span class="k">return</span> <span class="nb">repr</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">message_dict</span><span class="p">)</span> <span class="k">return</span> <span class="nb">repr</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">messages</span><span class="p">)</span> <span class="k">def</span> <span class="nf">__repr__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> <span class="k">return</span> <span class="s">'ValidationError(</span><span class="si">%s</span><span class="s">)'</span> <span class="o">%</span> <span class="bp">self</span> <span class="k">def</span> <span class="nf">update_error_dict</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">error_dict</span><span class="p">):</span> <span class="k">if</span> <span class="nb">hasattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s">'error_dict'</span><span class="p">):</span> <span class="k">if</span> <span class="n">error_dict</span><span class="p">:</span> <span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">error_dict</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> <span class="n">error_dict</span><span class="o">.</span><span class="n">setdefault</span><span class="p">(</span><span class="n">k</span><span class="p">,</span> <span class="p">[])</span><span class="o">.</span><span class="n">extend</span><span class="p">(</span><span class="n">v</span><span class="p">)</span> <span class="k">else</span><span class="p">:</span> <span class="n">error_dict</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">error_dict</span> <span class="k">else</span><span class="p">:</span> <span class="n">error_dict</span><span class="p">[</span><span class="n">NON_FIELD_ERRORS</span><span class="p">]</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">error_list</span> <span class="k">return</span> <span class="n">error_dict</span></div> </pre></div> </div> </div> </div> <div class="yui-b" id="sidebar"> <div class="sphinxsidebar"> <div class="sphinxsidebarwrapper"> <h3>Browse</h3> <ul> </ul> <h3>You are here:</h3> <ul> <li> <a href="../../../index.html">Django 1.6.7 documentation</a> <ul><li><a href="../../index.html">Module code</a> <ul><li>django.core.exceptions</li></ul> </li></ul> </li> </ul> <div id="searchbox" style="display: none"> <h3>Quick search</h3> <form class="search" action="../../../search.html" method="get"> <input type="text" name="q" /> <input type="submit" value="Go" /> <input type="hidden" name="check_keywords" value="yes" /> <input type="hidden" name="area" value="default" /> </form> <p 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