113 lines
3.7 KiB
Python
113 lines
3.7 KiB
Python
import cgi
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from config.Version import VERSION
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def stream_progress( uploading_file, filename, fraction_reported ):
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"""
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Stream a progress meter as a file uploads.
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"""
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progress_bytes = 0
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progress_width_em = 20
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tick_increment = 0.01
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progress_bar = u'<img src="/static/images/tick.png" style="width: %sem; height: 1em;" id="progress_bar" />' % \
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( progress_width_em * tick_increment )
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yield \
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u"""
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<html>
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<head>
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<link href="/static/css/upload.css?%s" type="text/css" rel="stylesheet" />
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<script type="text/javascript" src="/static/js/MochiKit.js?%s"></script>
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<meta content="text/html; charset=UTF-8" http_equiv="content-type" />
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</head>
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<body>
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""" % ( VERSION, VERSION )
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FILENAME_TRUNCATION_WIDTH = 40
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base_filename = filename.split( u"/" )[ -1 ].split( u"\\" )[ -1 ]
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if len( base_filename ) > FILENAME_TRUNCATION_WIDTH:
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base_filename = base_filename[ : FILENAME_TRUNCATION_WIDTH ] + u"..."
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yield \
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u"""
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<div class="field_label">uploading %s: </div>
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<table><tr>
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<td><div id="progress_border">
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%s
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</div></td>
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<td></td>
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<td><span id="status">0%%</span></td>
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<td></td>
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<td><input type="submit" id="cancel_button" class="button" value="cancel" onclick="withDocument( window.parent.document, function () { getFirstElementByTagAndClassName( "iframe", "upload_frame" ).pulldown.cancel_due_to_click(); } );" /></td>
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</tr></table>
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<script type="text/javascript">
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function tick( fraction ) {
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setElementDimensions(
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"progress_bar",
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{ "w": %s * fraction }, "em"
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);
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if ( fraction >= 1.0 )
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replaceChildNodes( "status", "100%%" );
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else
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replaceChildNodes( "status", Math.floor( fraction * 100.0 ) + "%%" );
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}
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</script>
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""" % ( cgi.escape( base_filename ), progress_bar, progress_width_em )
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if uploading_file:
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received_bytes = 0
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while received_bytes < uploading_file.content_length:
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received_bytes = uploading_file.wait_for_total_received_bytes()
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fraction_done = float( received_bytes ) / float( uploading_file.content_length )
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if fraction_done > 1.0: fraction_done = 1.0
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if fraction_done == 1.0 or fraction_done > fraction_reported + tick_increment:
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fraction_reported = fraction_done
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yield '<script type="text/javascript">tick(%s);</script>' % fraction_reported
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uploading_file.wait_for_complete()
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if fraction_reported < 1.0:
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yield "An error occurred when uploading the file.</body></html>"
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return
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yield \
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u"""
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<script type="text/javascript">
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withDocument( window.parent.document, function () { var frame = getFirstElementByTagAndClassName( "iframe", "upload_frame" ); if ( frame && frame.pulldown ) frame.pulldown.upload_complete(); } );
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</script>
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</body>
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</html>
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"""
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general_error_script = \
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"""
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withDocument( window.parent.document, function () { var frame = getFirstElementByTagAndClassName( "iframe", "upload_frame" ); if ( frame && frame.pulldown ) frame.pulldown.cancel_due_to_error( "%s" ); } );
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"""
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quota_error_script = \
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"""
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withDocument( window.parent.document, function () { var frame = getFirstElementByTagAndClassName( "iframe", "upload_frame" ); if ( frame && frame.pulldown ) frame.pulldown.cancel_due_to_quota(); } );
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"""
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def stream_quota_error():
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yield \
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u"""
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<html>
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<head>
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<link href="/static/css/upload.css?%s" type="text/css" rel="stylesheet" />
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<script type="text/javascript" src="/static/js/MochiKit.js?%s"></script>
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<meta content="text/html; charset=UTF-8" http_equiv="content-type" />
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</head>
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<body>
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<script type="text/javascript">
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%s
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</script>
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</body>
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</html>
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""" % ( VERSION, VERSION, quota_error_script )
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