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copied!<p>The <code>setAttribute</code> method might still not work for security reasons. </p> <p>But you can redefine the function <code>QWebPage::chooseFile</code> that should normally open the upload dialog and return the filename so that it returns a static file name without opening the dialog, and activate that upload by simulating a "return" key press on the input element.</p> <p>This seems to work:</p> <pre><code>from PyQt4.QtCore import * from PyQt4.QtGui import * from PyQt4.QtWebKit import * import sys class WebPage(QWebPage): def __init__(self, parent = None): super(WebPage, self).__init__(parent) self.overrideUpload = None def chooseFile(self, originatingFrame, oldFile): if self.overrideUpload is None: return super(WebPage, self).chooseFile(originatingFrame, oldFile) result = self.overrideUpload self.overrideUpload = None return result def setUploadFile(self, selector, filename): button = self.mainFrame().documentElement().findFirst(selector) self.overrideUpload = filename # set the focus on the input element button.setFocus(); # and simulate a keypress event to make it call our chooseFile method webview.event(QKeyEvent(QEvent.KeyPress, Qt.Key_Enter, Qt.NoModifier)) def upload(): print 'uploading...' page.setUploadFile('input[id="photos_upload_input"]', '/Users/elmigranto/Downloads/stuff.png') # The change seems to be asynchronous, at it isn't visible # just after the previous call app = QApplication(sys.argv) webview = QWebView() page = WebPage(webview) webview.setPage(page) source = ''' <form action="#"> Select a file: <input type="file" id="photos_upload_input"> <input type="submit"> </form> ''' webview.loadFinished.connect(upload) webview.show() webview.setHtml(source) sys.exit(app.exec_()) </code></pre>

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