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#!/usr/bin/env python |
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## uber-simple screen sharing for OS X |
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## by Rui Carmo - http://the.taoofmac.com/space/blog/2006/03/12 |
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## with a few tweaks by Avi Flax <avif@arc90.com> |
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import os, socket, datetime, SimpleHTTPServer, SocketServer, StringIO, sys |
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if len(sys.argv) >= 2: |
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PORT = int(sys.argv[1]) |
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else: |
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PORT = 80 |
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IMAGE_PATH = '/tmp/screen.png' |
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INTERVAL = 2 |
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HTTP_DATE_FORMAT = "%a, %d %b %Y %H:%M:%S %Z" |
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def screenCapture(path): |
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"""Take screenshot if necessary""" |
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try: |
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# See if the current screenshot is stale |
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t = os.stat(path) |
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if((datetime.datetime.now() - datetime.datetime.fromtimestamp(t.st_mtime)) < datetime.timedelta(seconds=INTERVAL)): |
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return |
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except OSError: |
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# File was not found |
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pass |
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os.system('screencapture -xC ' + path) |
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os.system('sips -Z 1200 ' + path) |
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def formatPage(): |
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"""Render HTML Page""" |
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return """<html> |
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<head> |
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<title>Screen Sharing: %s</title> |
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<script language="JavaScript"> |
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counter = 0; |
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function update() { |
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document.getElementById("screenshot").src = "/screen.png?" + counter; |
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self.setTimeout("update()",%s); |
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counter++; |
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} |
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</script> |
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<style> |
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body { font-family: Lucida, Arial, "MS Trebuchet", sans-serif; } |
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.info { background-color: #DDD; padding: 4px; } |
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</style> |
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</head> |
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<body onload="update();"> |
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<center> |
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<img id="screenshot" src="/screen.png"><br><p class="info">Updated every %s seconds</p> |
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</center> |
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</body> |
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</html>""" % (socket.gethostname(), INTERVAL * 1000, INTERVAL) |
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class LocalRequestHandler(SimpleHTTPServer.SimpleHTTPRequestHandler): |
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"""Custom HTTP Request Handler""" |
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def send_head(self): |
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"""Common handler for GET and HEAD requests""" |
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if self.path == "/": |
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self.send_response(200) |
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self.send_header("Content-type","text/html") |
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self.end_headers() |
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return StringIO.StringIO(formatPage()) |
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if self.path[:11] == "/screen.png": |
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try: |
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screenCapture(IMAGE_PATH) |
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f = open(IMAGE_PATH,'rb') |
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self.send_response(200) |
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self.send_header("Content-type","image/png") |
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self.send_header("Content-Length", str(os.fstat(f.fileno()).st_size)) |
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mtime = datetime.datetime.fromtimestamp(os.fstat(f.fileno()).st_mtime) |
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self.send_header("Last-Modified", mtime.strftime(HTTP_DATE_FORMAT)) |
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expires = mtime + datetime.timedelta(seconds=INTERVAL) |
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self.send_header("Expires", expires.strftime(HTTP_DATE_FORMAT)) |
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self.end_headers() |
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return f |
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except IOError: |
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pass |
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self.send_error(404, "File not found") |
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return None |
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if __name__=='__main__': |
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screenCapture(IMAGE_PATH) |
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httpd = SocketServer.TCPServer(('', PORT),LocalRequestHandler) |
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print "Listening on port " + str(PORT) |
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httpd.serve_forever() |
