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<h1>Source code for sqlobject.index</h1><div class="highlight"><pre>
<span></span><span class="kn">from</span> <span class="nn">itertools</span> <span class="k">import</span> <span class="n">count</span>
<span class="kn">from</span> <span class="nn">.converters</span> <span class="k">import</span> <span class="n">sqlrepr</span>
<span class="n">creationOrder</span> <span class="o">=</span> <span class="n">count</span><span class="p">()</span>
<span class="k">class</span> <span class="nc">SODatabaseIndex</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">soClass</span><span class="p">,</span>
<span class="n">name</span><span class="p">,</span>
<span class="n">columns</span><span class="p">,</span>
<span class="n">creationOrder</span><span class="p">,</span>
<span class="n">unique</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">soClass</span> <span class="o">=</span> <span class="n">soClass</span>
<span class="bp">self</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">name</span>
<span class="bp">self</span><span class="o">.</span><span class="n">descriptions</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">convertColumns</span><span class="p">(</span><span class="n">columns</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">creationOrder</span> <span class="o">=</span> <span class="n">creationOrder</span>
<span class="bp">self</span><span class="o">.</span><span class="n">unique</span> <span class="o">=</span> <span class="n">unique</span>
<span class="k">def</span> <span class="nf">get</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kw</span><span class="p">):</span>
<span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">unique</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">AttributeError</span><span class="p">(</span>
<span class="s2">"'</span><span class="si">%s</span><span class="s2">' object has no attribute 'get' "</span>
<span class="s2">"(index is not unique)"</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">)</span>
<span class="n">connection</span> <span class="o">=</span> <span class="n">kw</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="s1">'connection'</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
<span class="k">if</span> <span class="n">args</span> <span class="ow">and</span> <span class="n">kw</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">TypeError</span><span class="p">(</span><span class="s2">"You cannot mix named and unnamed arguments"</span><span class="p">)</span>
<span class="n">columns</span> <span class="o">=</span> <span class="p">[</span><span class="n">d</span><span class="p">[</span><span class="s1">'column'</span><span class="p">]</span> <span class="k">for</span> <span class="n">d</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">descriptions</span> <span class="k">if</span> <span class="s1">'column'</span> <span class="ow">in</span> <span class="n">d</span><span class="p">]</span>
<span class="k">if</span> <span class="n">kw</span> <span class="ow">and</span> <span class="nb">len</span><span class="p">(</span><span class="n">kw</span><span class="p">)</span> <span class="o">!=</span> <span class="nb">len</span><span class="p">(</span><span class="n">columns</span><span class="p">)</span> <span class="ow">or</span> \
<span class="n">args</span> <span class="ow">and</span> <span class="nb">len</span><span class="p">(</span><span class="n">args</span><span class="p">)</span> <span class="o">!=</span> <span class="nb">len</span><span class="p">(</span><span class="n">columns</span><span class="p">):</span>
<span class="k">raise</span> <span class="ne">TypeError</span><span class="p">(</span>
<span class="s2">"get() takes exactly </span><span class="si">%d</span><span class="s2"> argument and an optional "</span>
<span class="s2">"named argument 'connection' (</span><span class="si">%d</span><span class="s2"> given)"</span> <span class="o">%</span> <span class="p">(</span>
<span class="nb">len</span><span class="p">(</span><span class="n">columns</span><span class="p">),</span> <span class="nb">len</span><span class="p">(</span><span class="n">args</span><span class="p">)</span> <span class="o">+</span> <span class="nb">len</span><span class="p">(</span><span class="n">kw</span><span class="p">)))</span>
<span class="k">if</span> <span class="n">args</span><span class="p">:</span>
<span class="n">kw</span> <span class="o">=</span> <span class="p">{}</span>
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">args</span><span class="p">)):</span>
<span class="k">if</span> <span class="n">columns</span><span class="p">[</span><span class="n">i</span><span class="p">]</span><span class="o">.</span><span class="n">foreignName</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">kw</span><span class="p">[</span><span class="n">columns</span><span class="p">[</span><span class="n">i</span><span class="p">]</span><span class="o">.</span><span class="n">foreignName</span><span class="p">]</span> <span class="o">=</span> <span class="n">args</span><span class="p">[</span><span class="n">i</span><span class="p">]</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">kw</span><span class="p">[</span><span class="n">columns</span><span class="p">[</span><span class="n">i</span><span class="p">]</span><span class="o">.</span><span class="n">name</span><span class="p">]</span> <span class="o">=</span> <span class="n">args</span><span class="p">[</span><span class="n">i</span><span class="p">]</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">soClass</span><span class="o">.</span><span class="n">selectBy</span><span class="p">(</span><span class="n">connection</span><span class="o">=</span><span class="n">connection</span><span class="p">,</span> <span class="o">**</span><span class="n">kw</span><span class="p">)</span><span class="o">.</span><span class="n">getOne</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">convertColumns</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">columns</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Converts all the columns to dictionary descriptors;</span>
<span class="sd"> dereferences string column names.</span>
<span class="sd"> """</span>
<span class="n">new</span> <span class="o">=</span> <span class="p">[]</span>
<span class="k">for</span> <span class="n">desc</span> <span class="ow">in</span> <span class="n">columns</span><span class="p">:</span>
<span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">desc</span><span class="p">,</span> <span class="nb">dict</span><span class="p">):</span>
<span class="n">desc</span> <span class="o">=</span> <span class="p">{</span><span class="s1">'column'</span><span class="p">:</span> <span class="n">desc</span><span class="p">}</span>
<span class="k">if</span> <span class="s1">'expression'</span> <span class="ow">in</span> <span class="n">desc</span><span class="p">:</span>
<span class="k">assert</span> <span class="s1">'column'</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">desc</span><span class="p">,</span> <span class="p">(</span>
<span class="s1">'You cannot provide both an expression and a column '</span>
<span class="s1">'(for </span><span class="si">%s</span><span class="s1"> in index </span><span class="si">%s</span><span class="s1"> in </span><span class="si">%s</span><span class="s1">)'</span> <span class="o">%</span>
<span class="p">(</span><span class="n">desc</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">soClass</span><span class="p">))</span>
<span class="k">assert</span> <span class="s1">'length'</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">desc</span><span class="p">,</span> <span class="p">(</span>
<span class="s1">'length does not apply to expressions (for </span><span class="si">%s</span><span class="s1"> in '</span>
<span class="s1">'index </span><span class="si">%s</span><span class="s1"> in </span><span class="si">%s</span><span class="s1">)'</span> <span class="o">%</span>
<span class="p">(</span><span class="n">desc</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">soClass</span><span class="p">))</span>
<span class="n">new</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">desc</span><span class="p">)</span>
<span class="k">continue</span>
<span class="n">columnName</span> <span class="o">=</span> <span class="n">desc</span><span class="p">[</span><span class="s1">'column'</span><span class="p">]</span>
<span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">columnName</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span>
<span class="n">columnName</span> <span class="o">=</span> <span class="n">columnName</span><span class="o">.</span><span class="n">name</span>
<span class="n">colDict</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">soClass</span><span class="o">.</span><span class="n">sqlmeta</span><span class="o">.</span><span class="n">columns</span>
<span class="k">if</span> <span class="n">columnName</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">colDict</span><span class="p">:</span>
<span class="k">for</span> <span class="n">possible</span> <span class="ow">in</span> <span class="n">colDict</span><span class="o">.</span><span class="n">values</span><span class="p">():</span>
<span class="k">if</span> <span class="n">possible</span><span class="o">.</span><span class="n">origName</span> <span class="o">==</span> <span class="n">columnName</span><span class="p">:</span>
<span class="n">column</span> <span class="o">=</span> <span class="n">possible</span>
<span class="k">break</span>
<span class="k">else</span><span class="p">:</span>
<span class="c1"># None found</span>
<span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span>
<span class="s2">"The column by the name </span><span class="si">%r</span><span class="s2"> was not found "</span>
<span class="s2">"in the class </span><span class="si">%r</span><span class="s2">"</span> <span class="o">%</span> <span class="p">(</span><span class="n">columnName</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">soClass</span><span class="p">))</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">column</span> <span class="o">=</span> <span class="n">colDict</span><span class="p">[</span><span class="n">columnName</span><span class="p">]</span>
<span class="n">desc</span><span class="p">[</span><span class="s1">'column'</span><span class="p">]</span> <span class="o">=</span> <span class="n">column</span>
<span class="n">new</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">desc</span><span class="p">)</span>
<span class="k">return</span> <span class="n">new</span>
<span class="k">def</span> <span class="nf">getExpression</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">desc</span><span class="p">,</span> <span class="n">db</span><span class="p">):</span>
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">desc</span><span class="p">[</span><span class="s1">'expression'</span><span class="p">],</span> <span class="nb">str</span><span class="p">):</span>
<span class="k">return</span> <span class="n">desc</span><span class="p">[</span><span class="s1">'expression'</span><span class="p">]</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">return</span> <span class="n">sqlrepr</span><span class="p">(</span><span class="n">desc</span><span class="p">[</span><span class="s1">'expression'</span><span class="p">],</span> <span class="n">db</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">sqliteCreateIndexSQL</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">soClass</span><span class="p">):</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">unique</span><span class="p">:</span>
<span class="n">uniqueOrIndex</span> <span class="o">=</span> <span class="s1">'UNIQUE INDEX'</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">uniqueOrIndex</span> <span class="o">=</span> <span class="s1">'INDEX'</span>
<span class="n">spec</span> <span class="o">=</span> <span class="p">[]</span>
<span class="k">for</span> <span class="n">desc</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">descriptions</span><span class="p">:</span>
<span class="k">if</span> <span class="s1">'expression'</span> <span class="ow">in</span> <span class="n">desc</span><span class="p">:</span>
<span class="n">spec</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">getExpression</span><span class="p">(</span><span class="n">desc</span><span class="p">,</span> <span class="s1">'sqlite'</span><span class="p">))</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">spec</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">desc</span><span class="p">[</span><span class="s1">'column'</span><span class="p">]</span><span class="o">.</span><span class="n">dbName</span><span class="p">)</span>
<span class="n">ret</span> <span class="o">=</span> <span class="s1">'CREATE </span><span class="si">%s</span><span class="s1"> </span><span class="si">%s</span><span class="s1">_</span><span class="si">%s</span><span class="s1"> ON </span><span class="si">%s</span><span class="s1"> (</span><span class="si">%s</span><span class="s1">)'</span> <span class="o">%</span> \
<span class="p">(</span><span class="n">uniqueOrIndex</span><span class="p">,</span>
<span class="bp">self</span><span class="o">.</span><span class="n">soClass</span><span class="o">.</span><span class="n">sqlmeta</span><span class="o">.</span><span class="n">table</span><span class="p">,</span>
<span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span>
<span class="bp">self</span><span class="o">.</span><span class="n">soClass</span><span class="o">.</span><span class="n">sqlmeta</span><span class="o">.</span><span class="n">table</span><span class="p">,</span>
<span class="s1">', '</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">spec</span><span class="p">))</span>
<span class="k">return</span> <span class="n">ret</span>
<span class="n">postgresCreateIndexSQL</span> <span class="o">=</span> <span class="n">maxdbCreateIndexSQL</span> <span class="o">=</span> <span class="n">mssqlCreateIndexSQL</span> <span class="o">=</span> \
<span class="n">sybaseCreateIndexSQL</span> <span class="o">=</span> <span class="n">firebirdCreateIndexSQL</span> <span class="o">=</span> <span class="n">sqliteCreateIndexSQL</span>
<span class="k">def</span> <span class="nf">mysqlCreateIndexSQL</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">soClass</span><span class="p">):</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">unique</span><span class="p">:</span>
<span class="n">uniqueOrIndex</span> <span class="o">=</span> <span class="s1">'UNIQUE'</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">uniqueOrIndex</span> <span class="o">=</span> <span class="s1">'INDEX'</span>
<span class="n">spec</span> <span class="o">=</span> <span class="p">[]</span>
<span class="k">for</span> <span class="n">desc</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">descriptions</span><span class="p">:</span>
<span class="k">if</span> <span class="s1">'expression'</span> <span class="ow">in</span> <span class="n">desc</span><span class="p">:</span>
<span class="n">spec</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">getExpression</span><span class="p">(</span><span class="n">desc</span><span class="p">,</span> <span class="s1">'mysql'</span><span class="p">))</span>
<span class="k">elif</span> <span class="s1">'length'</span> <span class="ow">in</span> <span class="n">desc</span><span class="p">:</span>
<span class="n">spec</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s1">'</span><span class="si">%s</span><span class="s1">(</span><span class="si">%d</span><span class="s1">)'</span> <span class="o">%</span> <span class="p">(</span><span class="n">desc</span><span class="p">[</span><span class="s1">'column'</span><span class="p">]</span><span class="o">.</span><span class="n">dbName</span><span class="p">,</span> <span class="n">desc</span><span class="p">[</span><span class="s1">'length'</span><span class="p">]))</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">spec</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">desc</span><span class="p">[</span><span class="s1">'column'</span><span class="p">]</span><span class="o">.</span><span class="n">dbName</span><span class="p">)</span>
<span class="k">return</span> <span class="s1">'ALTER TABLE </span><span class="si">%s</span><span class="s1"> ADD </span><span class="si">%s</span><span class="s1"> </span><span class="si">%s</span><span class="s1"> (</span><span class="si">%s</span><span class="s1">)'</span> <span class="o">%</span> \
<span class="p">(</span><span class="n">soClass</span><span class="o">.</span><span class="n">sqlmeta</span><span class="o">.</span><span class="n">table</span><span class="p">,</span> <span class="n">uniqueOrIndex</span><span class="p">,</span>
<span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span>
<span class="s1">', '</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">spec</span><span class="p">))</span>
<div class="viewcode-block" id="DatabaseIndex"><a class="viewcode-back" href="../../api/sqlobject.index.html#sqlobject.index.DatabaseIndex">[docs]</a><span class="k">class</span> <span class="nc">DatabaseIndex</span><span class="p">(</span><span class="nb">object</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> This takes a variable number of parameters, each of which is a</span>
<span class="sd"> column for indexing. Each column may be a column object or the</span>
<span class="sd"> string name of the column (*not* the database name). You may also</span>
<span class="sd"> use dictionaries, to further customize the indexing of the column.</span>
<span class="sd"> The dictionary may have certain keys:</span>
<span class="sd"> 'column':</span>
<span class="sd"> The column object or string identifier.</span>
<span class="sd"> 'length':</span>
<span class="sd"> MySQL will only index the first N characters if this is</span>
<span class="sd"> given. For other databases this is ignored.</span>
<span class="sd"> 'expression':</span>
<span class="sd"> You can create an index based on an expression, e.g.,</span>
<span class="sd"> 'lower(column)'. This can either be a string or a sqlbuilder</span>
<span class="sd"> expression.</span>
<span class="sd"> Further keys may be added to the column specs in the future.</span>
<span class="sd"> The class also take the keyword argument `unique`; if true then</span>
<span class="sd"> a UNIQUE index is created.</span>
<span class="sd"> """</span>
<span class="n">baseClass</span> <span class="o">=</span> <span class="n">SODatabaseIndex</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="o">*</span><span class="n">columns</span><span class="p">,</span> <span class="o">**</span><span class="n">kw</span><span class="p">):</span>
<span class="n">kw</span><span class="p">[</span><span class="s1">'columns'</span><span class="p">]</span> <span class="o">=</span> <span class="n">columns</span>
<span class="bp">self</span><span class="o">.</span><span class="n">kw</span> <span class="o">=</span> <span class="n">kw</span>
<span class="bp">self</span><span class="o">.</span><span class="n">creationOrder</span> <span class="o">=</span> <span class="nb">next</span><span class="p">(</span><span class="n">creationOrder</span><span class="p">)</span>
<div class="viewcode-block" id="DatabaseIndex.setName"><a class="viewcode-back" href="../../api/sqlobject.index.html#sqlobject.index.DatabaseIndex.setName">[docs]</a> <span class="k">def</span> <span class="nf">setName</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
<span class="k">assert</span> <span class="bp">self</span><span class="o">.</span><span class="n">kw</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'name'</span><span class="p">)</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">,</span> \
<span class="s2">"You cannot change a name after it has already been set "</span> \
<span class="s2">"(from </span><span class="si">%s</span><span class="s2"> to </span><span class="si">%s</span><span class="s2">)"</span> <span class="o">%</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">kw</span><span class="p">[</span><span class="s1">'name'</span><span class="p">],</span> <span class="n">value</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">kw</span><span class="p">[</span><span class="s1">'name'</span><span class="p">]</span> <span class="o">=</span> <span class="n">value</span>
</div>
<span class="k">def</span> <span class="nf">_get_name</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">kw</span><span class="p">[</span><span class="s1">'name'</span><span class="p">]</span>
<span class="k">def</span> <span class="nf">_set_name</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">setName</span><span class="p">(</span><span class="n">value</span><span class="p">)</span>
<span class="n">name</span> <span class="o">=</span> <span class="nb">property</span><span class="p">(</span><span class="n">_get_name</span><span class="p">,</span> <span class="n">_set_name</span><span class="p">)</span>
<div class="viewcode-block" id="DatabaseIndex.withClass"><a class="viewcode-back" href="../../api/sqlobject.index.html#sqlobject.index.DatabaseIndex.withClass">[docs]</a> <span class="k">def</span> <span class="nf">withClass</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">soClass</span><span class="p">):</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">baseClass</span><span class="p">(</span><span class="n">soClass</span><span class="o">=</span><span class="n">soClass</span><span class="p">,</span>
<span class="n">creationOrder</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">creationOrder</span><span class="p">,</span> <span class="o">**</span><span class="bp">self</span><span class="o">.</span><span class="n">kw</span><span class="p">)</span>
</div>
<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="s1">'<</span><span class="si">%s</span><span class="s1"> </span><span class="si">%s</span><span class="s1"> </span><span class="si">%s</span><span class="s1">>'</span> <span class="o">%</span> <span class="p">(</span>
<span class="bp">self</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__name__</span><span class="p">,</span>
<span class="nb">hex</span><span class="p">(</span><span class="nb">abs</span><span class="p">(</span><span class="nb">id</span><span class="p">(</span><span class="bp">self</span><span class="p">)))[</span><span class="mi">2</span><span class="p">:],</span>
<span class="bp">self</span><span class="o">.</span><span class="n">kw</span><span class="p">)</span>
</div>
<span class="n">__all__</span> <span class="o">=</span> <span class="p">[</span><span class="s1">'DatabaseIndex'</span><span class="p">]</span>
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