Convert from html to pdf and printing

import cups
from xhtml2pdf import pisa

def main():
	filename = "/home/stopfan/print.pdf"
	xhtml = "<h1>Test print</h1>\n"
	xhtml += "<h2>This is test print</h2>\n"
	xhtml += "<p><img src='/home/stopfan/image.jpg'/></p>"

	pdf = pisa.CreatePDF(xhtml, file(filename, "w"))
	if not pdf.err:

		pdf.dest.close()

		conn = cups.Connection()
		printers = conn.getPrinters()
	for printer in printers: 
		print printer, printers[printer]["device-uri"]

		printer_name = printers.keys()[0]
		conn.printFile(printer_name, filename, "Python_print",{})
	else:
		print "Unable to create file"

if __name__=="__main__":
	main()