Documentation/Source/eric5.Helpviewer.Download.DownloadItem.html

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<h1>eric5.Helpviewer.Download.DownloadItem</h1>
<p>
Module implementing a widget controlling a download.
</p>
<h3>Global Attributes</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Classes</h3>
<table>
<tr>
<td><a href="#DownloadItem">DownloadItem</a></td>
<td>Class implementing a widget controlling a download.</td>
</tr>
</table>
<h3>Functions</h3>
<table>
<tr><td>None</td></tr>
</table>
<hr /><hr />
<a NAME="DownloadItem" ID="DownloadItem"></a>
<h2>DownloadItem</h2>
<p>
    Class implementing a widget controlling a download.
</p><h3>Signals</h3>
<dl>
<dt>downloadFinished()</dt>
<dd>
emitted when a download finished
</dd><dt>progress(int, int)</dt>
<dd>
emitted to signal the download progress
</dd><dt>statusChanged()</dt>
<dd>
emitted upon a status change of a download
</dd>
</dl>
<h3>Derived from</h3>
QWidget, Ui_DownloadItem
<h3>Class Attributes</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Class Methods</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Methods</h3>
<table>
<tr>
<td><a href="#DownloadItem.__init__">DownloadItem</a></td>
<td>Constructor</td>
</tr><tr>
<td><a href="#DownloadItem.__downloadProgress">__downloadProgress</a></td>
<td>Private method to show the download progress.</td>
</tr><tr>
<td><a href="#DownloadItem.__finished">__finished</a></td>
<td>Private slot to handle the download finished.</td>
</tr><tr>
<td><a href="#DownloadItem.__getFileName">__getFileName</a></td>
<td>Private method to get the filename to save to from the user.</td>
</tr><tr>
<td><a href="#DownloadItem.__initialize">__initialize</a></td>
<td>Private method to (re)initialize the widget.</td>
</tr><tr>
<td><a href="#DownloadItem.__metaDataChanged">__metaDataChanged</a></td>
<td>Private slot to handle a change of the meta data.</td>
</tr><tr>
<td><a href="#DownloadItem.__networkError">__networkError</a></td>
<td>Private slot to handle a network error.</td>
</tr><tr>
<td><a href="#DownloadItem.__open">__open</a></td>
<td>Private slot to open the downloaded file.</td>
</tr><tr>
<td><a href="#DownloadItem.__readyRead">__readyRead</a></td>
<td>Private slot to read the available data.</td>
</tr><tr>
<td><a href="#DownloadItem.__saveFileName">__saveFileName</a></td>
<td>Private method to calculate a name for the file to download.</td>
</tr><tr>
<td><a href="#DownloadItem.__updateInfoLabel">__updateInfoLabel</a></td>
<td>Private method to update the info label.</td>
</tr><tr>
<td><a href="#DownloadItem.absoluteFilePath">absoluteFilePath</a></td>
<td>Public method to get the absolute path of the output file.</td>
</tr><tr>
<td><a href="#DownloadItem.bytesReceived">bytesReceived</a></td>
<td>Public method to get the number of bytes received.</td>
</tr><tr>
<td><a href="#DownloadItem.bytesTotal">bytesTotal</a></td>
<td>Public method to get the total number of bytes of the download.</td>
</tr><tr>
<td><a href="#DownloadItem.cancelDownload">cancelDownload</a></td>
<td>Public slot to stop the download.</td>
</tr><tr>
<td><a href="#DownloadItem.canceledFileSelect">canceledFileSelect</a></td>
<td>Public method to check, if the user canceled the file selection.</td>
</tr><tr>
<td><a href="#DownloadItem.currentSpeed">currentSpeed</a></td>
<td>Public method to get an estimation for the download speed.</td>
</tr><tr>
<td><a href="#DownloadItem.downloadCanceled">downloadCanceled</a></td>
<td>Public method to check, if the download was cancelled.</td>
</tr><tr>
<td><a href="#DownloadItem.downloadedSuccessfully">downloadedSuccessfully</a></td>
<td>Public method to check for a successful download.</td>
</tr><tr>
<td><a href="#DownloadItem.downloading">downloading</a></td>
<td>Public method to determine, if a download is in progress.</td>
</tr><tr>
<td><a href="#DownloadItem.fileName">fileName</a></td>
<td>Public method to get the name of the output file.</td>
</tr><tr>
<td><a href="#DownloadItem.getData">getData</a></td>
<td>Public method to get the relevant download data.</td>
</tr><tr>
<td><a href="#DownloadItem.getInfoData">getInfoData</a></td>
<td>Public method to get the text of the info label.</td>
</tr><tr>
<td><a href="#DownloadItem.getPageUrl">getPageUrl</a></td>
<td>Public method to get the URL of the download page.</td>
</tr><tr>
<td><a href="#DownloadItem.on_openButton_clicked">on_openButton_clicked</a></td>
<td>Private slot to open the downloaded file.</td>
</tr><tr>
<td><a href="#DownloadItem.on_pauseButton_clicked">on_pauseButton_clicked</a></td>
<td>Private slot to pause the download.</td>
</tr><tr>
<td><a href="#DownloadItem.on_stopButton_clicked">on_stopButton_clicked</a></td>
<td>Private slot to stop the download.</td>
</tr><tr>
<td><a href="#DownloadItem.on_tryAgainButton_clicked">on_tryAgainButton_clicked</a></td>
<td>Private slot to retry the download.</td>
</tr><tr>
<td><a href="#DownloadItem.openFile">openFile</a></td>
<td>Public slot to open the downloaded file.</td>
</tr><tr>
<td><a href="#DownloadItem.openFolder">openFolder</a></td>
<td>Public slot to open the folder containing the downloaded file.</td>
</tr><tr>
<td><a href="#DownloadItem.remainingTime">remainingTime</a></td>
<td>Public method to get an estimation for the remaining time.</td>
</tr><tr>
<td><a href="#DownloadItem.retry">retry</a></td>
<td>Public slot to retry the download.</td>
</tr><tr>
<td><a href="#DownloadItem.setData">setData</a></td>
<td>Public method to set the relevant download data.</td>
</tr><tr>
<td><a href="#DownloadItem.setIcon">setIcon</a></td>
<td>Public method to set the download icon.</td>
</tr>
</table>
<h3>Static Methods</h3>
<table>
<tr><td>None</td></tr>
</table>
<a NAME="DownloadItem.__init__" ID="DownloadItem.__init__"></a>
<h4>DownloadItem (Constructor)</h4>
<b>DownloadItem</b>(<i>reply=None, requestFilename=False, webPage=None, download=False, parent=None, mainWindow=None</i>)
<p>
        Constructor
</p><dl>
<dt><i>reply=</i></dt>
<dd>
reference to the network reply object (QNetworkReply)
</dd><dt><i>requestFilename=</i></dt>
<dd>
flag indicating to ask the user for a filename (boolean)
</dd><dt><i>webPage=</i></dt>
<dd>
reference to the web page object the download originated
            from (QWebPage)
</dd><dt><i>download=</i></dt>
<dd>
flag indicating a download operation (boolean)
</dd><dt><i>parent=</i></dt>
<dd>
reference to the parent widget (QWidget)
</dd><dt><i>mainWindow=</i></dt>
<dd>
reference to the main window (HelpWindow)
</dd>
</dl><a NAME="DownloadItem.__downloadProgress" ID="DownloadItem.__downloadProgress"></a>
<h4>DownloadItem.__downloadProgress</h4>
<b>__downloadProgress</b>(<i>bytesReceived, bytesTotal</i>)
<p>
        Private method to show the download progress.
</p><dl>
<dt><i>bytesReceived</i></dt>
<dd>
number of bytes received (integer)
</dd><dt><i>bytesTotal</i></dt>
<dd>
number of total bytes (integer)
</dd>
</dl><a NAME="DownloadItem.__finished" ID="DownloadItem.__finished"></a>
<h4>DownloadItem.__finished</h4>
<b>__finished</b>(<i></i>)
<p>
        Private slot to handle the download finished.
</p><a NAME="DownloadItem.__getFileName" ID="DownloadItem.__getFileName"></a>
<h4>DownloadItem.__getFileName</h4>
<b>__getFileName</b>(<i></i>)
<p>
        Private method to get the filename to save to from the user.
</p><dl>
<dt>Returns:</dt>
<dd>
flag indicating success (boolean)
</dd>
</dl><a NAME="DownloadItem.__initialize" ID="DownloadItem.__initialize"></a>
<h4>DownloadItem.__initialize</h4>
<b>__initialize</b>(<i>tryAgain=False</i>)
<p>
        Private method to (re)initialize the widget.
</p><dl>
<dt><i>tryAgain</i></dt>
<dd>
flag indicating a retry (boolean)
</dd>
</dl><a NAME="DownloadItem.__metaDataChanged" ID="DownloadItem.__metaDataChanged"></a>
<h4>DownloadItem.__metaDataChanged</h4>
<b>__metaDataChanged</b>(<i></i>)
<p>
        Private slot to handle a change of the meta data.
</p><a NAME="DownloadItem.__networkError" ID="DownloadItem.__networkError"></a>
<h4>DownloadItem.__networkError</h4>
<b>__networkError</b>(<i></i>)
<p>
        Private slot to handle a network error.
</p><a NAME="DownloadItem.__open" ID="DownloadItem.__open"></a>
<h4>DownloadItem.__open</h4>
<b>__open</b>(<i></i>)
<p>
        Private slot to open the downloaded file.
</p><a NAME="DownloadItem.__readyRead" ID="DownloadItem.__readyRead"></a>
<h4>DownloadItem.__readyRead</h4>
<b>__readyRead</b>(<i></i>)
<p>
        Private slot to read the available data.
</p><a NAME="DownloadItem.__saveFileName" ID="DownloadItem.__saveFileName"></a>
<h4>DownloadItem.__saveFileName</h4>
<b>__saveFileName</b>(<i>directory</i>)
<p>
        Private method to calculate a name for the file to download.
</p><dl>
<dt><i>directory</i></dt>
<dd>
name of the directory to store the file into (string)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
proposed filename and original filename (string, string)
</dd>
</dl><a NAME="DownloadItem.__updateInfoLabel" ID="DownloadItem.__updateInfoLabel"></a>
<h4>DownloadItem.__updateInfoLabel</h4>
<b>__updateInfoLabel</b>(<i></i>)
<p>
        Private method to update the info label.
</p><a NAME="DownloadItem.absoluteFilePath" ID="DownloadItem.absoluteFilePath"></a>
<h4>DownloadItem.absoluteFilePath</h4>
<b>absoluteFilePath</b>(<i></i>)
<p>
        Public method to get the absolute path of the output file.
</p><dl>
<dt>Returns:</dt>
<dd>
absolute path of the output file (string)
</dd>
</dl><a NAME="DownloadItem.bytesReceived" ID="DownloadItem.bytesReceived"></a>
<h4>DownloadItem.bytesReceived</h4>
<b>bytesReceived</b>(<i></i>)
<p>
        Public method to get the number of bytes received.
</p><dl>
<dt>Returns:</dt>
<dd>
number of bytes received (integer)
</dd>
</dl><a NAME="DownloadItem.bytesTotal" ID="DownloadItem.bytesTotal"></a>
<h4>DownloadItem.bytesTotal</h4>
<b>bytesTotal</b>(<i></i>)
<p>
        Public method to get the total number of bytes of the download.
</p><dl>
<dt>Returns:</dt>
<dd>
total number of bytes (integer)
</dd>
</dl><a NAME="DownloadItem.cancelDownload" ID="DownloadItem.cancelDownload"></a>
<h4>DownloadItem.cancelDownload</h4>
<b>cancelDownload</b>(<i></i>)
<p>
        Public slot to stop the download.
</p><a NAME="DownloadItem.canceledFileSelect" ID="DownloadItem.canceledFileSelect"></a>
<h4>DownloadItem.canceledFileSelect</h4>
<b>canceledFileSelect</b>(<i></i>)
<p>
        Public method to check, if the user canceled the file selection.
</p><dl>
<dt>Returns:</dt>
<dd>
flag indicating cancellation (boolean)
</dd>
</dl><a NAME="DownloadItem.currentSpeed" ID="DownloadItem.currentSpeed"></a>
<h4>DownloadItem.currentSpeed</h4>
<b>currentSpeed</b>(<i></i>)
<p>
        Public method to get an estimation for the download speed.
</p><dl>
<dt>Returns:</dt>
<dd>
estimation for the download speed (float)
</dd>
</dl><a NAME="DownloadItem.downloadCanceled" ID="DownloadItem.downloadCanceled"></a>
<h4>DownloadItem.downloadCanceled</h4>
<b>downloadCanceled</b>(<i></i>)
<p>
        Public method to check, if the download was cancelled.
</p><dl>
<dt>Returns:</dt>
<dd>
flag indicating a canceled download (boolean)
</dd>
</dl><a NAME="DownloadItem.downloadedSuccessfully" ID="DownloadItem.downloadedSuccessfully"></a>
<h4>DownloadItem.downloadedSuccessfully</h4>
<b>downloadedSuccessfully</b>(<i></i>)
<p>
        Public method to check for a successful download.
</p><dl>
<dt>Returns:</dt>
<dd>
flag indicating a successful download (boolean)
</dd>
</dl><a NAME="DownloadItem.downloading" ID="DownloadItem.downloading"></a>
<h4>DownloadItem.downloading</h4>
<b>downloading</b>(<i></i>)
<p>
        Public method to determine, if a download is in progress.
</p><dl>
<dt>Returns:</dt>
<dd>
flag indicating a download is in progress (boolean)
</dd>
</dl><a NAME="DownloadItem.fileName" ID="DownloadItem.fileName"></a>
<h4>DownloadItem.fileName</h4>
<b>fileName</b>(<i></i>)
<p>
        Public method to get the name of the output file.
</p><dl>
<dt>Returns:</dt>
<dd>
name of the output file (string)
</dd>
</dl><a NAME="DownloadItem.getData" ID="DownloadItem.getData"></a>
<h4>DownloadItem.getData</h4>
<b>getData</b>(<i></i>)
<p>
        Public method to get the relevant download data.
</p><dl>
<dt>Returns:</dt>
<dd>
tuple of URL, save location, flag and the
            URL of the related web page (QUrl, string, boolean,QUrl)
</dd>
</dl><a NAME="DownloadItem.getInfoData" ID="DownloadItem.getInfoData"></a>
<h4>DownloadItem.getInfoData</h4>
<b>getInfoData</b>(<i></i>)
<p>
        Public method to get the text of the info label.
</p><dl>
<dt>Returns:</dt>
<dd>
text of the info label (string)
</dd>
</dl><a NAME="DownloadItem.getPageUrl" ID="DownloadItem.getPageUrl"></a>
<h4>DownloadItem.getPageUrl</h4>
<b>getPageUrl</b>(<i></i>)
<p>
        Public method to get the URL of the download page.
</p><dl>
<dt>Returns:</dt>
<dd>
URL of the download page (QUrl)
</dd>
</dl><a NAME="DownloadItem.on_openButton_clicked" ID="DownloadItem.on_openButton_clicked"></a>
<h4>DownloadItem.on_openButton_clicked</h4>
<b>on_openButton_clicked</b>(<i></i>)
<p>
        Private slot to open the downloaded file.
</p><a NAME="DownloadItem.on_pauseButton_clicked" ID="DownloadItem.on_pauseButton_clicked"></a>
<h4>DownloadItem.on_pauseButton_clicked</h4>
<b>on_pauseButton_clicked</b>(<i>checked</i>)
<p>
        Private slot to pause the download.
</p><dl>
<dt><i>checked</i></dt>
<dd>
flag indicating the state of the button (boolean)
</dd>
</dl><a NAME="DownloadItem.on_stopButton_clicked" ID="DownloadItem.on_stopButton_clicked"></a>
<h4>DownloadItem.on_stopButton_clicked</h4>
<b>on_stopButton_clicked</b>(<i></i>)
<p>
        Private slot to stop the download.
</p><a NAME="DownloadItem.on_tryAgainButton_clicked" ID="DownloadItem.on_tryAgainButton_clicked"></a>
<h4>DownloadItem.on_tryAgainButton_clicked</h4>
<b>on_tryAgainButton_clicked</b>(<i></i>)
<p>
        Private slot to retry the download.
</p><a NAME="DownloadItem.openFile" ID="DownloadItem.openFile"></a>
<h4>DownloadItem.openFile</h4>
<b>openFile</b>(<i></i>)
<p>
        Public slot to open the downloaded file.
</p><a NAME="DownloadItem.openFolder" ID="DownloadItem.openFolder"></a>
<h4>DownloadItem.openFolder</h4>
<b>openFolder</b>(<i></i>)
<p>
        Public slot to open the folder containing the downloaded file.
</p><a NAME="DownloadItem.remainingTime" ID="DownloadItem.remainingTime"></a>
<h4>DownloadItem.remainingTime</h4>
<b>remainingTime</b>(<i></i>)
<p>
        Public method to get an estimation for the remaining time.
</p><dl>
<dt>Returns:</dt>
<dd>
estimation for the remaining time (float)
</dd>
</dl><a NAME="DownloadItem.retry" ID="DownloadItem.retry"></a>
<h4>DownloadItem.retry</h4>
<b>retry</b>(<i></i>)
<p>
        Public slot to retry the download.
</p><a NAME="DownloadItem.setData" ID="DownloadItem.setData"></a>
<h4>DownloadItem.setData</h4>
<b>setData</b>(<i>data</i>)
<p>
        Public method to set the relevant download data.
</p><dl>
<dt><i>data</i></dt>
<dd>
tuple of URL, save location, flag and the
            URL of the related web page (QUrl, string, boolean, QUrl)
</dd>
</dl><a NAME="DownloadItem.setIcon" ID="DownloadItem.setIcon"></a>
<h4>DownloadItem.setIcon</h4>
<b>setIcon</b>(<i>icon</i>)
<p>
        Public method to set the download icon.
</p><dl>
<dt><i>icon</i></dt>
<dd>
reference to the icon to be set (QIcon)
</dd>
</dl>
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