title: How scrape a page with checkbox with Scrapy
body: <p>i try to scrape a website, for choosing every Category, i need to check a check box</p>
  
  <pre><code>&lt;ul class="mvSrcLk"&gt;
     &lt;li&gt;
        &lt;label class="mvNavSel mvNavLvl1"&gt;
        Marché frais
        &lt;input type="checkbox" value="f/1/1p" name="selectedNavigationCategoryPath"&gt;
  &lt;/label&gt;
  &lt;/li&gt;
  &lt;li&gt;
  &lt;label class="mvNavSel mvNavLvl1"&gt;
  Épicerie sucrée
  &lt;input type="checkbox" value="f/1/1o" name="selectedNavigationCategoryPath"&gt;
  &lt;/label&gt;
  </code></pre>
  
  <p>how can do this by Scrapy, i read <a href="https://stackoverflow.com/questions/11404472/scrapy-formrequest-true-flase-on-off-checked-boxes">this</a> but it doesn't helped me</p>