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<h1>SQLAlchemy 0.9 Documentation</h1>
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<h1>Source code for examples.dogpile_caching.fixture_data</h1><div class="highlight"><pre>
<span class="sd">"""fixture_data.py</span>
<span class="sd">Installs some sample data. Here we have a handful of postal codes for a few US/</span>
<span class="sd">Canadian cities. Then, 100 Person records are installed, each with a</span>
<span class="sd">randomly selected postal code.</span>
<span class="sd">"""</span>
<span class="kn">from</span> <span class="nn">.environment</span> <span class="kn">import</span> <span class="n">Session</span><span class="p">,</span> <span class="n">Base</span>
<span class="kn">from</span> <span class="nn">.model</span> <span class="kn">import</span> <span class="n">City</span><span class="p">,</span> <span class="n">Country</span><span class="p">,</span> <span class="n">PostalCode</span><span class="p">,</span> <span class="n">Person</span><span class="p">,</span> <span class="n">Address</span>
<span class="kn">import</span> <span class="nn">random</span>
<span class="k">def</span> <span class="nf">install</span><span class="p">():</span>
<span class="n">Base</span><span class="o">.</span><span class="n">metadata</span><span class="o">.</span><span class="n">create_all</span><span class="p">(</span><span class="n">Session</span><span class="p">()</span><span class="o">.</span><span class="n">bind</span><span class="p">)</span>
<span class="n">data</span> <span class="o">=</span> <span class="p">[</span>
<span class="p">(</span><span class="s">'Chicago'</span><span class="p">,</span> <span class="s">'United States'</span><span class="p">,</span> <span class="p">(</span><span class="s">'60601'</span><span class="p">,</span> <span class="s">'60602'</span><span class="p">,</span> <span class="s">'60603'</span><span class="p">,</span> <span class="s">'60604'</span><span class="p">)),</span>
<span class="p">(</span><span class="s">'Montreal'</span><span class="p">,</span> <span class="s">'Canada'</span><span class="p">,</span> <span class="p">(</span><span class="s">'H2S 3K9'</span><span class="p">,</span> <span class="s">'H2B 1V4'</span><span class="p">,</span> <span class="s">'H7G 2T8'</span><span class="p">)),</span>
<span class="p">(</span><span class="s">'Edmonton'</span><span class="p">,</span> <span class="s">'Canada'</span><span class="p">,</span> <span class="p">(</span><span class="s">'T5J 1R9'</span><span class="p">,</span> <span class="s">'T5J 1Z4'</span><span class="p">,</span> <span class="s">'T5H 1P6'</span><span class="p">)),</span>
<span class="p">(</span><span class="s">'New York'</span><span class="p">,</span> <span class="s">'United States'</span><span class="p">,</span>
<span class="p">(</span><span class="s">'10001'</span><span class="p">,</span> <span class="s">'10002'</span><span class="p">,</span> <span class="s">'10003'</span><span class="p">,</span> <span class="s">'10004'</span><span class="p">,</span> <span class="s">'10005'</span><span class="p">,</span> <span class="s">'10006'</span><span class="p">)),</span>
<span class="p">(</span><span class="s">'San Francisco'</span><span class="p">,</span> <span class="s">'United States'</span><span class="p">,</span>
<span class="p">(</span><span class="s">'94102'</span><span class="p">,</span> <span class="s">'94103'</span><span class="p">,</span> <span class="s">'94104'</span><span class="p">,</span> <span class="s">'94105'</span><span class="p">,</span> <span class="s">'94107'</span><span class="p">,</span> <span class="s">'94108'</span><span class="p">))</span>
<span class="p">]</span>
<span class="n">countries</span> <span class="o">=</span> <span class="p">{}</span>
<span class="n">all_post_codes</span> <span class="o">=</span> <span class="p">[]</span>
<span class="k">for</span> <span class="n">city</span><span class="p">,</span> <span class="n">country</span><span class="p">,</span> <span class="n">postcodes</span> <span class="ow">in</span> <span class="n">data</span><span class="p">:</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">country</span> <span class="o">=</span> <span class="n">countries</span><span class="p">[</span><span class="n">country</span><span class="p">]</span>
<span class="k">except</span> <span class="ne">KeyError</span><span class="p">:</span>
<span class="n">countries</span><span class="p">[</span><span class="n">country</span><span class="p">]</span> <span class="o">=</span> <span class="n">country</span> <span class="o">=</span> <span class="n">Country</span><span class="p">(</span><span class="n">country</span><span class="p">)</span>
<span class="n">city</span> <span class="o">=</span> <span class="n">City</span><span class="p">(</span><span class="n">city</span><span class="p">,</span> <span class="n">country</span><span class="p">)</span>
<span class="n">pc</span> <span class="o">=</span> <span class="p">[</span><span class="n">PostalCode</span><span class="p">(</span><span class="n">code</span><span class="p">,</span> <span class="n">city</span><span class="p">)</span> <span class="k">for</span> <span class="n">code</span> <span class="ow">in</span> <span class="n">postcodes</span><span class="p">]</span>
<span class="n">Session</span><span class="o">.</span><span class="n">add_all</span><span class="p">(</span><span class="n">pc</span><span class="p">)</span>
<span class="n">all_post_codes</span><span class="o">.</span><span class="n">extend</span><span class="p">(</span><span class="n">pc</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="mi">1</span><span class="p">,</span> <span class="mi">51</span><span class="p">):</span>
<span class="n">person</span> <span class="o">=</span> <span class="n">Person</span><span class="p">(</span>
<span class="s">"person </span><span class="si">%.2d</span><span class="s">"</span> <span class="o">%</span> <span class="n">i</span><span class="p">,</span>
<span class="n">Address</span><span class="p">(</span>
<span class="n">street</span><span class="o">=</span><span class="s">"street </span><span class="si">%.2d</span><span class="s">"</span> <span class="o">%</span> <span class="n">i</span><span class="p">,</span>
<span class="n">postal_code</span><span class="o">=</span><span class="n">all_post_codes</span><span class="p">[</span>
<span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="nb">len</span><span class="p">(</span><span class="n">all_post_codes</span><span class="p">)</span> <span class="o">-</span> <span class="mi">1</span><span class="p">)]</span>
<span class="p">)</span>
<span class="p">)</span>
<span class="n">Session</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">person</span><span class="p">)</span>
<span class="n">Session</span><span class="o">.</span><span class="n">commit</span><span class="p">()</span>
<span class="c"># start the demo fresh</span>
<span class="n">Session</span><span class="o">.</span><span class="n">remove</span><span class="p">()</span></pre></div>
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