Added check if video device is available
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@ -11,6 +11,14 @@ from urlparse import urlparse, parse_qs
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def is_available():
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if not zbar:
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return False
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try:
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proc = zbar.Processor()
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proc.init()
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except zbar.SystemError:
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# Cannot open video device
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return False
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return True
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def scan_qr():
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