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POHow to set value of input(type="file") with QWebElement?
 

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    <p>I'm trying to upload a photo to <a href="https://vk.com" rel="nofollow">vk.com</a> using <a href="https://qt-project.org/doc/qt-4.8/qtwebkit.html" rel="nofollow">QtWebKit</a> module. The problem I'm facing is inability to properly fill <code>input(type="file")</code>'s value. Here's some related code I use:</p> <pre class="lang-python prettyprint-override"><code>def upload(): print 'uploading...' photoInput = web.page().mainFrame().documentElement().findFirst('input[id="photos_upload_input"]') assert photoInput, 'No input found' photoInput.setAttribute('value', '/Users/elmigranto/Downloads/stuff.png') print photoInput.evaluateJavaScript('return this.value;').toString() </code></pre> <p>It's reasonable to note, that filling value of file input is impossible from Javascript due to browser security policy. However, it should be possible using Qt API, more specifically, <a href="https://qt-project.org/doc/qt-4.8/qwebelement.html" rel="nofollow"><code>QWebElement</code></a><code>::</code><a href="https://qt-project.org/doc/qt-4.8/qwebelement.html#setAttribute" rel="nofollow"><code>setAttribute()</code></a> method. And that's what I did… with no effect (well, <code>photoInput.attribute('value')</code> returns expected result, but <code>photoInput.evaluateJavaScript('return this.value;').toString()</code> returns empty string, input's <code>onchange</code> handler is also not triggered).</p> <p>Setting other attributes is no problem, for example, <a href="https://qt-project.org/doc/qt-4.8/qwebelement.html" rel="nofollow"><code>QWebElement</code></a><code>::</code><a href="https://qt-project.org/doc/qt-4.8/qwebelement.html#addClass" rel="nofollow"><code>addClass()</code></a> works like a charm.</p> <p>Any help would be super great.<br/>Thanks.</p>
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