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<h1>Source code for webnotes.session_cache</h1><div class="highlight"><pre>
<span class="c"># session_cache.py</span>
<span class="c"># clear cache</span>
<span class="c"># ==================================================</span>
<div class="viewcode-block" id="clear"><a class="viewcode-back" href="../../webnotes.html#webnotes.session_cache.clear">[docs]</a><span class="k">def</span> <span class="nf">clear</span><span class="p">():</span>
<span class="n">clear_cache</span><span class="p">()</span>
<span class="kn">import</span> <span class="nn">webnotes</span>
<span class="n">webnotes</span><span class="o">.</span><span class="n">response</span><span class="p">[</span><span class="s">&#39;message&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s">&quot;Cache Cleared&quot;</span>
</div>
<div class="viewcode-block" id="clear_cache"><a class="viewcode-back" href="../../webnotes.html#webnotes.session_cache.clear_cache">[docs]</a><span class="k">def</span> <span class="nf">clear_cache</span><span class="p">(</span><span class="n">user</span><span class="o">=</span><span class="s">&#39;&#39;</span><span class="p">):</span>
<span class="kn">import</span> <span class="nn">webnotes</span>
<span class="k">try</span><span class="p">:</span>
<span class="k">if</span> <span class="n">user</span><span class="p">:</span>
<span class="n">webnotes</span><span class="o">.</span><span class="n">conn</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="s">&quot;delete from __SessionCache where user=</span><span class="si">%s</span><span class="s">&quot;</span><span class="p">,</span> <span class="n">user</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">webnotes</span><span class="o">.</span><span class="n">conn</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="s">&quot;delete from __SessionCache&quot;</span><span class="p">)</span>
<span class="k">except</span> <span class="ne">Exception</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span>
<span class="k">if</span> <span class="n">e</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">==</span><span class="mi">1146</span><span class="p">:</span>
<span class="n">make_cache_table</span><span class="p">()</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">raise</span> <span class="n">e</span>
<span class="c"># load cache</span>
<span class="c"># ==================================================</span>
</div>
<div class="viewcode-block" id="get"><a class="viewcode-back" href="../../webnotes.html#webnotes.session_cache.get">[docs]</a><span class="k">def</span> <span class="nf">get</span><span class="p">():</span>
<span class="kn">import</span> <span class="nn">webnotes</span>
<span class="kn">import</span> <span class="nn">webnotes.defs</span>
<span class="c"># get country</span>
<span class="n">country</span> <span class="o">=</span> <span class="n">webnotes</span><span class="o">.</span><span class="n">session</span><span class="p">[</span><span class="s">&#39;data&#39;</span><span class="p">]</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">&#39;ipinfo&#39;</span><span class="p">,</span> <span class="p">{})</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">&#39;countryName&#39;</span><span class="p">,</span> <span class="s">&#39;Unknown Country&#39;</span><span class="p">)</span>
<span class="c"># run patches</span>
<span class="k">try</span><span class="p">:</span>
<span class="kn">import</span> <span class="nn">webnotes.modules.patch</span>
<span class="n">webnotes</span><span class="o">.</span><span class="n">modules</span><span class="o">.</span><span class="n">patch</span><span class="o">.</span><span class="n">run</span><span class="p">()</span>
<span class="k">except</span> <span class="ne">ImportError</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span>
<span class="k">pass</span> <span class="c"># no patches - do nothing</span>
<span class="c"># check if cache exists</span>
<span class="k">if</span> <span class="ow">not</span> <span class="nb">getattr</span><span class="p">(</span><span class="n">webnotes</span><span class="o">.</span><span class="n">defs</span><span class="p">,</span><span class="s">&#39;auto_cache_clear&#39;</span><span class="p">,</span><span class="bp">None</span><span class="p">):</span>
<span class="n">cache</span> <span class="o">=</span> <span class="n">load</span><span class="p">(</span><span class="n">country</span><span class="p">)</span>
<span class="k">if</span> <span class="n">cache</span><span class="p">:</span>
<span class="k">return</span> <span class="n">cache</span>
<span class="c"># if not create it</span>
<span class="n">sd</span> <span class="o">=</span> <span class="n">build</span><span class="p">()</span>
<span class="n">dump</span><span class="p">(</span><span class="n">sd</span><span class="p">,</span> <span class="n">country</span><span class="p">)</span>
<span class="c"># update profile from cache</span>
<span class="n">webnotes</span><span class="o">.</span><span class="n">session</span><span class="p">[</span><span class="s">&#39;data&#39;</span><span class="p">][</span><span class="s">&#39;profile&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">sd</span><span class="p">[</span><span class="s">&#39;profile&#39;</span><span class="p">]</span>
<span class="k">return</span> <span class="n">sd</span>
<span class="c"># load cache</span>
<span class="c"># ==================================================</span>
</div>
<div class="viewcode-block" id="load"><a class="viewcode-back" href="../../webnotes.html#webnotes.session_cache.load">[docs]</a><span class="k">def</span> <span class="nf">load</span><span class="p">(</span><span class="n">country</span><span class="p">):</span>
<span class="kn">import</span> <span class="nn">webnotes</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">sd</span> <span class="o">=</span> <span class="n">webnotes</span><span class="o">.</span><span class="n">conn</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="s">&quot;select cache from __SessionCache where user=&#39;</span><span class="si">%s</span><span class="s">&#39; </span><span class="si">%s</span><span class="s">&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">webnotes</span><span class="o">.</span><span class="n">session</span><span class="p">[</span><span class="s">&#39;user&#39;</span><span class="p">],</span> <span class="p">(</span><span class="n">country</span> <span class="ow">and</span> <span class="p">(</span><span class="s">&quot; and country=&#39;</span><span class="si">%s</span><span class="s">&#39;&quot;</span> <span class="o">%</span> <span class="n">country</span><span class="p">)</span> <span class="ow">or</span> <span class="s">&#39;&#39;</span><span class="p">)))</span>
<span class="k">if</span> <span class="n">sd</span><span class="p">:</span>
<span class="k">return</span> <span class="nb">eval</span><span class="p">(</span><span class="n">sd</span><span class="p">[</span><span class="mi">0</span><span class="p">][</span><span class="mi">0</span><span class="p">])</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">return</span> <span class="bp">None</span>
<span class="k">except</span> <span class="ne">Exception</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span>
<span class="k">if</span> <span class="n">e</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">==</span><span class="mi">1146</span><span class="p">:</span>
<span class="n">make_cache_table</span><span class="p">()</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">raise</span> <span class="n">e</span>
<span class="c"># make the cache table</span>
<span class="c"># ==================================================</span>
</div>
<div class="viewcode-block" id="make_cache_table"><a class="viewcode-back" href="../../webnotes.html#webnotes.session_cache.make_cache_table">[docs]</a><span class="k">def</span> <span class="nf">make_cache_table</span><span class="p">():</span>
<span class="kn">import</span> <span class="nn">webnotes</span>
<span class="n">webnotes</span><span class="o">.</span><span class="n">conn</span><span class="o">.</span><span class="n">commit</span><span class="p">()</span>
<span class="n">webnotes</span><span class="o">.</span><span class="n">conn</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="s">&quot;create table `__SessionCache` (user VARCHAR(120), country VARCHAR(120), cache LONGTEXT)&quot;</span><span class="p">)</span>
<span class="n">webnotes</span><span class="o">.</span><span class="n">conn</span><span class="o">.</span><span class="n">begin</span><span class="p">()</span>
<span class="c"># dump session to cache</span>
<span class="c"># ==================================================</span>
</div>
<div class="viewcode-block" id="dump"><a class="viewcode-back" href="../../webnotes.html#webnotes.session_cache.dump">[docs]</a><span class="k">def</span> <span class="nf">dump</span><span class="p">(</span><span class="n">sd</span><span class="p">,</span> <span class="n">country</span><span class="p">):</span>
<span class="kn">import</span> <span class="nn">webnotes</span>
<span class="kn">import</span> <span class="nn">webnotes.model.doclist</span>
<span class="k">if</span> <span class="n">sd</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">&#39;docs&#39;</span><span class="p">):</span>
<span class="n">sd</span><span class="p">[</span><span class="s">&#39;docs&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">webnotes</span><span class="o">.</span><span class="n">model</span><span class="o">.</span><span class="n">doclist</span><span class="o">.</span><span class="n">compress</span><span class="p">(</span><span class="n">sd</span><span class="p">[</span><span class="s">&#39;docs&#39;</span><span class="p">])</span>
<span class="c"># delete earlier (?)</span>
<span class="n">webnotes</span><span class="o">.</span><span class="n">conn</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="s">&quot;delete from __SessionCache where user=</span><span class="si">%s</span><span class="s"> and country=</span><span class="si">%s</span><span class="s">&quot;</span><span class="p">,</span> <span class="p">(</span><span class="n">webnotes</span><span class="o">.</span><span class="n">session</span><span class="p">[</span><span class="s">&#39;user&#39;</span><span class="p">],</span> <span class="n">country</span><span class="p">))</span>
<span class="c"># make new</span>
<span class="n">webnotes</span><span class="o">.</span><span class="n">conn</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="s">&quot;insert into `__SessionCache` (user, country, cache) VALUES (</span><span class="si">%s</span><span class="s">, </span><span class="si">%s</span><span class="s">, </span><span class="si">%s</span><span class="s">)&quot;</span><span class="p">,</span> <span class="p">(</span><span class="n">webnotes</span><span class="o">.</span><span class="n">session</span><span class="p">[</span><span class="s">&#39;user&#39;</span><span class="p">],</span> <span class="n">country</span><span class="p">,</span> <span class="nb">str</span><span class="p">(</span><span class="n">sd</span><span class="p">)))</span>
<span class="c"># ==================================================</span>
</div>
<div class="viewcode-block" id="get_letter_heads"><a class="viewcode-back" href="../../webnotes.html#webnotes.session_cache.get_letter_heads">[docs]</a><span class="k">def</span> <span class="nf">get_letter_heads</span><span class="p">():</span>
<span class="kn">import</span> <span class="nn">webnotes</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">lh</span> <span class="o">=</span> <span class="p">{}</span>
<span class="n">ret</span> <span class="o">=</span> <span class="n">webnotes</span><span class="o">.</span><span class="n">conn</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="s">&quot;select name, content from `tabLetter Head` where ifnull(disabled,0)=0&quot;</span><span class="p">)</span>
<span class="k">for</span> <span class="n">r</span> <span class="ow">in</span> <span class="n">ret</span><span class="p">:</span>
<span class="n">lh</span><span class="p">[</span><span class="n">r</span><span class="p">[</span><span class="mi">0</span><span class="p">]]</span> <span class="o">=</span> <span class="n">r</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span>
<span class="k">return</span> <span class="n">lh</span>
<span class="k">except</span> <span class="ne">Exception</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span>
<span class="k">if</span> <span class="n">e</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">==</span><span class="mi">1146</span><span class="p">:</span>
<span class="k">return</span> <span class="p">{}</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">Exception</span><span class="p">,</span> <span class="n">e</span>
<span class="c"># ==================================================</span>
<span class="c"># load startup.js and startup.css from the modules/startup folder</span>
</div>
<div class="viewcode-block" id="load_startup"><a class="viewcode-back" href="../../webnotes.html#webnotes.session_cache.load_startup">[docs]</a><span class="k">def</span> <span class="nf">load_startup</span><span class="p">(</span><span class="n">cp</span><span class="p">):</span>
<span class="kn">from</span> <span class="nn">webnotes.modules</span> <span class="kn">import</span> <span class="n">compress</span>
<span class="k">try</span><span class="p">:</span> <span class="kn">from</span> <span class="nn">webnotes.defs</span> <span class="kn">import</span> <span class="n">modules_path</span>
<span class="k">except</span> <span class="ne">ImportError</span><span class="p">:</span> <span class="k">return</span>
<span class="kn">import</span> <span class="nn">os</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">cp</span><span class="o">.</span><span class="n">startup_code</span> <span class="o">=</span> <span class="n">compress</span><span class="o">.</span><span class="n">get_js_code</span><span class="p">(</span><span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">modules_path</span><span class="p">,</span> <span class="s">&#39;startup&#39;</span><span class="p">,</span> <span class="s">&#39;startup&#39;</span><span class="p">))</span>
<span class="n">startup_css</span> <span class="o">=</span> <span class="nb">open</span><span class="p">(</span><span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">modules_path</span><span class="p">,</span> <span class="s">&#39;startup&#39;</span><span class="p">,</span> <span class="s">&#39;startup.css&#39;</span><span class="p">),</span> <span class="s">&#39;r&#39;</span><span class="p">)</span>
<span class="n">cp</span><span class="o">.</span><span class="n">startup_css</span> <span class="o">=</span> <span class="n">startup_css</span><span class="o">.</span><span class="n">read</span><span class="p">()</span>
<span class="n">startup_css</span><span class="o">.</span><span class="n">close</span><span class="p">()</span>
<span class="k">except</span> <span class="ne">IOError</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span>
<span class="k">if</span> <span class="n">e</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">!=</span><span class="mi">2</span><span class="p">:</span> <span class="c"># no startup module!</span>
<span class="k">raise</span> <span class="n">e</span>
<span class="c"># build it</span>
<span class="c"># ==================================================</span>
</div>
<div class="viewcode-block" id="build"><a class="viewcode-back" href="../../webnotes.html#webnotes.session_cache.build">[docs]</a><span class="k">def</span> <span class="nf">build</span><span class="p">():</span>
<span class="n">sd</span> <span class="o">=</span> <span class="p">{}</span>
<span class="kn">import</span> <span class="nn">webnotes</span>
<span class="kn">import</span> <span class="nn">webnotes.model</span>
<span class="kn">import</span> <span class="nn">webnotes.model.doc</span>
<span class="kn">import</span> <span class="nn">webnotes.model.doctype</span>
<span class="kn">import</span> <span class="nn">webnotes.widgets.page</span>
<span class="kn">import</span> <span class="nn">webnotes.widgets.menus</span>
<span class="kn">import</span> <span class="nn">webnotes.profile</span>
<span class="kn">import</span> <span class="nn">webnotes.defs</span>
<span class="n">sql</span> <span class="o">=</span> <span class="n">webnotes</span><span class="o">.</span><span class="n">conn</span><span class="o">.</span><span class="n">sql</span>
<span class="n">webnotes</span><span class="o">.</span><span class="n">conn</span><span class="o">.</span><span class="n">begin</span><span class="p">()</span>
<span class="n">sd</span><span class="p">[</span><span class="s">&#39;profile&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">webnotes</span><span class="o">.</span><span class="n">user</span><span class="o">.</span><span class="n">load_profile</span><span class="p">()</span>
<span class="n">doclist</span> <span class="o">=</span> <span class="p">[]</span>
<span class="n">doclist</span> <span class="o">+=</span> <span class="n">webnotes</span><span class="o">.</span><span class="n">model</span><span class="o">.</span><span class="n">doc</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">&#39;Control Panel&#39;</span><span class="p">)</span>
<span class="n">cp</span> <span class="o">=</span> <span class="n">doclist</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
<span class="n">load_startup</span><span class="p">(</span><span class="n">cp</span><span class="p">)</span>
<span class="n">doclist</span> <span class="o">+=</span> <span class="n">webnotes</span><span class="o">.</span><span class="n">model</span><span class="o">.</span><span class="n">doctype</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">&#39;Event&#39;</span><span class="p">)</span>
<span class="n">doclist</span> <span class="o">+=</span> <span class="n">webnotes</span><span class="o">.</span><span class="n">model</span><span class="o">.</span><span class="n">doctype</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">&#39;Search Criteria&#39;</span><span class="p">)</span>
<span class="n">home_page</span> <span class="o">=</span> <span class="n">webnotes</span><span class="o">.</span><span class="n">user</span><span class="o">.</span><span class="n">get_home_page</span><span class="p">()</span>
<span class="k">if</span> <span class="n">home_page</span><span class="p">:</span>
<span class="n">doclist</span> <span class="o">+=</span> <span class="n">webnotes</span><span class="o">.</span><span class="n">widgets</span><span class="o">.</span><span class="n">page</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">home_page</span><span class="p">)</span>
<span class="n">sd</span><span class="p">[</span><span class="s">&#39;account_name&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">cp</span><span class="o">.</span><span class="n">account_id</span> <span class="ow">or</span> <span class="s">&#39;&#39;</span>
<span class="n">sd</span><span class="p">[</span><span class="s">&#39;sysdefaults&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">webnotes</span><span class="o">.</span><span class="n">utils</span><span class="o">.</span><span class="n">get_defaults</span><span class="p">()</span>
<span class="n">sd</span><span class="p">[</span><span class="s">&#39;n_online&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="n">sql</span><span class="p">(</span><span class="s">&quot;SELECT COUNT(DISTINCT user) FROM tabSessions&quot;</span><span class="p">)[</span><span class="mi">0</span><span class="p">][</span><span class="mi">0</span><span class="p">]</span> <span class="ow">or</span> <span class="mi">0</span><span class="p">)</span>
<span class="n">sd</span><span class="p">[</span><span class="s">&#39;docs&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">doclist</span>
<span class="n">sd</span><span class="p">[</span><span class="s">&#39;letter_heads&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">get_letter_heads</span><span class="p">()</span>
<span class="n">sd</span><span class="p">[</span><span class="s">&#39;home_page&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">home_page</span> <span class="ow">or</span> <span class="s">&#39;&#39;</span>
<span class="n">sd</span><span class="p">[</span><span class="s">&#39;start_items&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">webnotes</span><span class="o">.</span><span class="n">widgets</span><span class="o">.</span><span class="n">menus</span><span class="o">.</span><span class="n">get_menu_items</span><span class="p">()</span>
<span class="k">if</span> <span class="n">webnotes</span><span class="o">.</span><span class="n">session</span><span class="p">[</span><span class="s">&#39;data&#39;</span><span class="p">]</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">&#39;ipinfo&#39;</span><span class="p">):</span>
<span class="n">sd</span><span class="p">[</span><span class="s">&#39;ipinfo&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">webnotes</span><span class="o">.</span><span class="n">session</span><span class="p">[</span><span class="s">&#39;data&#39;</span><span class="p">][</span><span class="s">&#39;ipinfo&#39;</span><span class="p">]</span>
<span class="n">webnotes</span><span class="o">.</span><span class="n">session</span><span class="p">[</span><span class="s">&#39;data&#39;</span><span class="p">][</span><span class="s">&#39;profile&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">sd</span><span class="p">[</span><span class="s">&#39;profile&#39;</span><span class="p">]</span>
<span class="n">sd</span><span class="p">[</span><span class="s">&#39;dt_labels&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">webnotes</span><span class="o">.</span><span class="n">model</span><span class="o">.</span><span class="n">get_dt_labels</span><span class="p">()</span>
<span class="n">webnotes</span><span class="o">.</span><span class="n">conn</span><span class="o">.</span><span class="n">commit</span><span class="p">()</span>
<span class="k">return</span> <span class="n">sd</span></div>
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