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<h1>Source code for sqlobject.rdbhost.rdbhostconnection</h1><div class="highlight"><pre>
<span></span><span class="sd">"""</span>
<span class="sd">This module written by David Keeney, 2009, 2010</span>
<span class="sd">Released under the LGPL for use with the SQLObject ORM library.</span>
<span class="sd">"""</span>
<span class="kn">from</span> <span class="nn">sqlobject.dbconnection</span> <span class="k">import</span> <span class="n">DBAPI</span>
<span class="kn">from</span> <span class="nn">sqlobject.postgres.pgconnection</span> <span class="k">import</span> <span class="n">PostgresConnection</span>
<div class="viewcode-block" id="RdbhostConnection"><a class="viewcode-back" href="../../../api/sqlobject.rdbhost.rdbhostconnection.html#sqlobject.rdbhost.rdbhostconnection.RdbhostConnection">[docs]</a><span class="k">class</span> <span class="nc">RdbhostConnection</span><span class="p">(</span><span class="n">PostgresConnection</span><span class="p">):</span>
<span class="n">supportTransactions</span> <span class="o">=</span> <span class="kc">False</span>
<span class="n">dbName</span> <span class="o">=</span> <span class="s1">'rdbhost'</span>
<span class="n">schemes</span> <span class="o">=</span> <span class="p">[</span><span class="n">dbName</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">dsn</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">host</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">port</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">db</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
<span class="n">user</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">password</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">unicodeCols</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="o">**</span><span class="n">kw</span><span class="p">):</span>
<span class="kn">from</span> <span class="nn">rdbhdb</span> <span class="k">import</span> <span class="n">rdbhdb</span> <span class="k">as</span> <span class="n">rdb</span>
<span class="c1"># monkey patch % escaping into Cursor._execute</span>
<span class="n">old_execute</span> <span class="o">=</span> <span class="nb">getattr</span><span class="p">(</span><span class="n">rdb</span><span class="o">.</span><span class="n">Cursor</span><span class="p">,</span> <span class="s1">'_execute'</span><span class="p">)</span>
<span class="nb">setattr</span><span class="p">(</span><span class="n">rdb</span><span class="o">.</span><span class="n">Cursor</span><span class="p">,</span> <span class="s1">'_old_execute'</span><span class="p">,</span> <span class="n">old_execute</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">_execute</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">query</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">):</span>
<span class="k">assert</span> <span class="ow">not</span> <span class="nb">any</span><span class="p">([</span><span class="n">a</span> <span class="k">for</span> <span class="n">a</span> <span class="ow">in</span> <span class="n">args</span><span class="p">])</span>
<span class="n">query</span> <span class="o">=</span> <span class="n">query</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s1">'%'</span><span class="p">,</span> <span class="s1">'</span><span class="si">%%</span><span class="s1">'</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_old_execute</span><span class="p">(</span><span class="n">query</span><span class="p">,</span> <span class="p">(),</span> <span class="p">(),</span> <span class="p">())</span>
<span class="nb">setattr</span><span class="p">(</span><span class="n">rdb</span><span class="o">.</span><span class="n">Cursor</span><span class="p">,</span> <span class="s1">'_execute'</span><span class="p">,</span> <span class="n">_execute</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">module</span> <span class="o">=</span> <span class="n">rdb</span>
<span class="bp">self</span><span class="o">.</span><span class="n">user</span> <span class="o">=</span> <span class="n">user</span>
<span class="bp">self</span><span class="o">.</span><span class="n">host</span> <span class="o">=</span> <span class="n">host</span>
<span class="bp">self</span><span class="o">.</span><span class="n">port</span> <span class="o">=</span> <span class="n">port</span>
<span class="bp">self</span><span class="o">.</span><span class="n">db</span> <span class="o">=</span> <span class="n">db</span>
<span class="bp">self</span><span class="o">.</span><span class="n">password</span> <span class="o">=</span> <span class="n">password</span>
<span class="bp">self</span><span class="o">.</span><span class="n">dsn_dict</span> <span class="o">=</span> <span class="n">dsn_dict</span> <span class="o">=</span> <span class="p">{}</span>
<span class="bp">self</span><span class="o">.</span><span class="n">use_dsn</span> <span class="o">=</span> <span class="n">dsn</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span>
<span class="k">if</span> <span class="n">host</span><span class="p">:</span>
<span class="n">dsn_dict</span><span class="p">[</span><span class="s2">"host"</span><span class="p">]</span> <span class="o">=</span> <span class="n">host</span>
<span class="k">if</span> <span class="n">user</span><span class="p">:</span>
<span class="n">dsn_dict</span><span class="p">[</span><span class="s2">"role"</span><span class="p">]</span> <span class="o">=</span> <span class="n">user</span>
<span class="k">if</span> <span class="n">password</span><span class="p">:</span>
<span class="n">dsn_dict</span><span class="p">[</span><span class="s2">"authcode"</span><span class="p">]</span> <span class="o">=</span> <span class="n">password</span>
<span class="k">if</span> <span class="n">dsn</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">dsn</span> <span class="o">=</span> <span class="p">[]</span>
<span class="k">if</span> <span class="n">db</span><span class="p">:</span>
<span class="n">dsn</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s1">'dbname=</span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="n">db</span><span class="p">)</span>
<span class="k">if</span> <span class="n">user</span><span class="p">:</span>
<span class="n">dsn</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s1">'user=</span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="n">user</span><span class="p">)</span>
<span class="k">if</span> <span class="n">password</span><span class="p">:</span>
<span class="n">dsn</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s1">'password=</span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="n">password</span><span class="p">)</span>
<span class="k">if</span> <span class="n">host</span><span class="p">:</span>
<span class="n">dsn</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s1">'host=</span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="n">host</span><span class="p">)</span>
<span class="k">if</span> <span class="n">port</span><span class="p">:</span>
<span class="n">dsn</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s1">'port=</span><span class="si">%d</span><span class="s1">'</span> <span class="o">%</span> <span class="n">port</span><span class="p">)</span>
<span class="n">dsn</span> <span class="o">=</span> <span class="s1">' '</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">dsn</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">dsn</span> <span class="o">=</span> <span class="n">dsn</span>
<span class="bp">self</span><span class="o">.</span><span class="n">unicodeCols</span> <span class="o">=</span> <span class="n">unicodeCols</span>
<span class="bp">self</span><span class="o">.</span><span class="n">schema</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">'schema'</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">dbEncoding</span> <span class="o">=</span> <span class="s1">'utf-8'</span>
<span class="n">DBAPI</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">kw</span><span class="p">)</span>
</pre></div></div>
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