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<h1>Source code for webnotes.utils.archive</h1><div class="highlight"><pre>
<span class="kn">import</span> <span class="nn">webnotes</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="c"># main function</span>
<span class="c"># -------------------------</span>
<div class="viewcode-block" id="archive_doc"><a class="viewcode-back" href="../../../webnotes.utils.html#webnotes.utils.archive.archive_doc">[docs]</a><span class="k">def</span> <span class="nf">archive_doc</span><span class="p">(</span><span class="n">doctype</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">restore</span><span class="o">=</span><span class="mi">0</span><span class="p">):</span>
<span class="n">archive_record</span><span class="p">(</span><span class="n">doctype</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">restore</span><span class="p">)</span>
<span class="n">tables</span> <span class="o">=</span> <span class="n">sql</span><span class="p">(</span><span class="s">&quot;select options from tabDocField where parent=</span><span class="si">%s</span><span class="s"> and fieldtype=&#39;Table&#39;&quot;</span><span class="p">,</span> <span class="n">doctype</span><span class="p">)</span>
<span class="k">for</span> <span class="n">t</span> <span class="ow">in</span> <span class="n">tables</span><span class="p">:</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">rec_list</span> <span class="o">=</span> <span class="n">sql</span><span class="p">(</span><span class="s">&quot;select name from `</span><span class="si">%s%s</span><span class="s">` where parent=</span><span class="si">%s</span><span class="s">&quot;</span> <span class="o">%</span> <span class="p">((</span><span class="n">restore</span> <span class="ow">and</span> <span class="s">&#39;arc&#39;</span> <span class="ow">or</span> <span class="s">&#39;tab&#39;</span><span class="p">)</span> <span class="p">,</span><span class="n">t</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="s">&#39;</span><span class="si">%s</span><span class="s">&#39;</span><span class="p">),</span> <span class="n">name</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="c"># no child table</span>
<span class="n">rec_list</span> <span class="o">=</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="k">for</span> <span class="n">r</span> <span class="ow">in</span> <span class="n">rec_list</span><span class="p">:</span>
<span class="n">archive_record</span><span class="p">(</span><span class="n">t</span><span class="p">[</span><span class="mi">0</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="n">restore</span><span class="p">)</span>
<span class="c"># archive individual record</span>
<span class="c"># -------------------------</span>
</div>
<div class="viewcode-block" id="archive_record"><a class="viewcode-back" href="../../../webnotes.utils.html#webnotes.utils.archive.archive_record">[docs]</a><span class="k">def</span> <span class="nf">archive_record</span><span class="p">(</span><span class="n">doctype</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">restore</span> <span class="o">=</span> <span class="mi">0</span><span class="p">):</span>
<span class="n">src_tab</span> <span class="o">=</span> <span class="p">(</span><span class="n">restore</span> <span class="ow">and</span> <span class="s">&#39;arc&#39;</span> <span class="ow">or</span> <span class="s">&#39;tab&#39;</span><span class="p">)</span> <span class="o">+</span> <span class="n">doctype</span>
<span class="n">tar_tab</span> <span class="o">=</span> <span class="p">(</span><span class="n">restore</span> <span class="ow">and</span> <span class="s">&#39;tab&#39;</span> <span class="ow">or</span> <span class="s">&#39;arc&#39;</span><span class="p">)</span> <span class="o">+</span> <span class="n">doctype</span>
<span class="c"># get the record</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">rec</span> <span class="o">=</span> <span class="n">sql</span><span class="p">(</span><span class="s">&quot;select * from `</span><span class="si">%s</span><span class="s">` where name=</span><span class="si">%s</span><span class="s"> for update&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">src_tab</span><span class="p">,</span> <span class="s">&#39;</span><span class="si">%s</span><span class="s">&#39;</span><span class="p">),</span> <span class="n">name</span><span class="p">,</span> <span class="n">as_dict</span><span class="o">=</span><span class="mi">1</span><span class="p">)[</span><span class="mi">0</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="k">return</span> <span class="c"># source table does not exist</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">raise</span> <span class="n">e</span>
<span class="c"># insert the record</span>
<span class="n">insert_record</span><span class="p">(</span><span class="n">doctype</span><span class="p">,</span> <span class="n">tar_tab</span><span class="p">,</span> <span class="n">name</span><span class="p">)</span>
<span class="c"># put it field by field (ignore missing columns)</span>
<span class="k">for</span> <span class="n">field</span> <span class="ow">in</span> <span class="n">rec</span><span class="o">.</span><span class="n">keys</span><span class="p">():</span>
<span class="k">if</span> <span class="n">rec</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">field</span><span class="p">):</span>
<span class="n">update_value</span><span class="p">(</span><span class="n">src_tab</span><span class="p">,</span> <span class="n">tar_tab</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">rec</span><span class="p">,</span> <span class="n">field</span><span class="p">)</span>
<span class="c"># delete from main</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">sql</span><span class="p">(</span><span class="s">&quot;delete from `</span><span class="si">%s</span><span class="s">` where name=</span><span class="si">%s</span><span class="s"> limit 1&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">src_tab</span><span class="p">,</span> <span class="s">&#39;</span><span class="si">%s</span><span class="s">&#39;</span><span class="p">),</span> <span class="n">name</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">1451</span><span class="p">:</span>
<span class="n">webnotes</span><span class="o">.</span><span class="n">msgprint</span><span class="p">(</span><span class="s">&quot;Cannot archive </span><span class="si">%s</span><span class="s"> &#39;</span><span class="si">%s</span><span class="s">&#39; as it is referenced in another record. You must delete the referred record first&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">doctype</span><span class="p">,</span> <span class="n">name</span><span class="p">))</span>
<span class="c"># delete from target, as it will create a double copy!</span>
<span class="n">sql</span><span class="p">(</span><span class="s">&quot;delete from `</span><span class="si">%s</span><span class="s">` where name=</span><span class="si">%s</span><span class="s"> limit 1&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">tar_tab</span><span class="p">,</span> <span class="s">&#39;</span><span class="si">%s</span><span class="s">&#39;</span><span class="p">),</span> <span class="n">name</span><span class="p">)</span>
<span class="c"># insert the record</span>
<span class="c"># -------------------------</span>
</div>
<div class="viewcode-block" id="insert_record_name"><a class="viewcode-back" href="../../../webnotes.utils.html#webnotes.utils.archive.insert_record_name">[docs]</a><span class="k">def</span> <span class="nf">insert_record_name</span><span class="p">(</span><span class="n">tab</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
<span class="n">sql</span><span class="p">(</span><span class="s">&quot;insert ignore into `</span><span class="si">%s</span><span class="s">` (name) values (</span><span class="si">%s</span><span class="s">)&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">tab</span><span class="p">,</span> <span class="s">&#39;</span><span class="si">%s</span><span class="s">&#39;</span><span class="p">),</span> <span class="n">name</span><span class="p">)</span>
<span class="c"># insert record</span>
<span class="c"># -------------------------</span>
</div>
<div class="viewcode-block" id="insert_record"><a class="viewcode-back" href="../../../webnotes.utils.html#webnotes.utils.archive.insert_record">[docs]</a><span class="k">def</span> <span class="nf">insert_record</span><span class="p">(</span><span class="n">doctype</span><span class="p">,</span> <span class="n">tar_tab</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">insert_record_name</span><span class="p">(</span><span class="n">tar_tab</span><span class="p">,</span> <span class="n">name</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="c"># missing table - create it</span>
<span class="kn">from</span> <span class="nn">webnotes.model.db_schema</span> <span class="kn">import</span> <span class="n">updatedb</span>
<span class="n">updatedb</span><span class="p">(</span><span class="n">doctype</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
<span class="c"># again</span>
<span class="n">insert_record_name</span><span class="p">(</span><span class="n">tar_tab</span><span class="p">,</span> <span class="n">name</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"># update single value</span>
<span class="c"># -------------------------</span>
</div>
<div class="viewcode-block" id="update_single_value"><a class="viewcode-back" href="../../../webnotes.utils.html#webnotes.utils.archive.update_single_value">[docs]</a><span class="k">def</span> <span class="nf">update_single_value</span><span class="p">(</span><span class="n">tab</span><span class="p">,</span> <span class="n">field</span><span class="p">,</span> <span class="n">value</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
<span class="n">sql</span><span class="p">(</span><span class="s">&quot;update `</span><span class="si">%s</span><span class="s">` set `</span><span class="si">%s</span><span class="s">`=</span><span class="si">%s</span><span class="s"> where name=</span><span class="si">%s</span><span class="s">&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">tab</span><span class="p">,</span> <span class="n">field</span><span class="p">,</span> <span class="s">&#39;</span><span class="si">%s</span><span class="s">&#39;</span><span class="p">,</span> <span class="s">&#39;</span><span class="si">%s</span><span class="s">&#39;</span><span class="p">),</span> <span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">name</span><span class="p">))</span>
<span class="c"># update value</span>
<span class="c"># -------------------------</span>
</div>
<div class="viewcode-block" id="update_value"><a class="viewcode-back" href="../../../webnotes.utils.html#webnotes.utils.archive.update_value">[docs]</a><span class="k">def</span> <span class="nf">update_value</span><span class="p">(</span><span class="n">src_tab</span><span class="p">,</span> <span class="n">tar_tab</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">rec</span><span class="p">,</span> <span class="n">field</span><span class="p">):</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">update_single_value</span><span class="p">(</span><span class="n">tar_tab</span><span class="p">,</span> <span class="n">field</span><span class="p">,</span> <span class="n">rec</span><span class="p">[</span><span class="n">field</span><span class="p">],</span> <span class="n">name</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">1054</span><span class="p">:</span>
<span class="c"># column missing.... add it?</span>
<span class="n">ftype</span> <span class="o">=</span> <span class="n">sql</span><span class="p">(</span><span class="s">&quot;show columns from `</span><span class="si">%s</span><span class="s">` like &#39;</span><span class="si">%s</span><span class="s">&#39;&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">src_tab</span><span class="p">,</span> <span class="n">field</span><span class="p">))[</span><span class="mi">0</span><span class="p">][</span><span class="mi">1</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="c"># causes implict commit</span>
<span class="n">sql</span><span class="p">(</span><span class="s">&quot;alter table `</span><span class="si">%s</span><span class="s">` add column `</span><span class="si">%s</span><span class="s">` </span><span class="si">%s</span><span class="s">&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">tar_tab</span><span class="p">,</span> <span class="n">field</span><span class="p">,</span> <span class="n">ftype</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"># again</span>
<span class="n">update_single_value</span><span class="p">(</span><span class="n">tar_tab</span><span class="p">,</span> <span class="n">field</span><span class="p">,</span> <span class="n">rec</span><span class="p">[</span><span class="n">field</span><span class="p">],</span> <span class="n">name</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">raise</span> <span class="n">e</span>
</pre></div></div>
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