On Wed, Oct 6, 2010 at 5:25 AM, Dipo Elegbede <delegb...@dudupay.com> wrote:
> Hi all, > > I wrote this code as an example from a book: > > #!c:\Python26\python.exe > # Program displaying CGI environment variables. > > import os > import cgi > > def printHeader(title): > print """Content-type: text/html > > <?xml version = "1.0" encoding = "UTF-8"?> > <! DOCTYPE html PUBLIC > "-//W3C//DTD XHTML 1.0 Strict//EN" > "DTD/xhtml1-strict.dtd"> > <html xmlns = "http://www.w3.org/1999/xhtml";> > <head><title>%s</title></head> > > <body>""" % title > > rowNumber = 0 > backgroundColour = "white" > > printHeader("Environmental Variables") > print """<table style = "border: 0">""" > > # print table of cgi variables and values > for item in os.environ.keys(): > rowNumber += 1 > > if rowNumber % 2 == 0: # even row numbers are white > backgroundColour = "white" > else: # odd row numbers are grey > backgroundColour = "lightgrey" > > print """<tr style = "background-color: %s"> > <td>%s</td><td>%s</td</tr>""" %(backgroundColour, > cgi.escape(item), cgi.escape(os.environ[item])) > print """</table></body></html>""" > > It was supposed to return a list of environmental variables in a given > order. > Sadly only the header displayed. > I have looked through over and over, please what am i doing wrong. > This is from Deitel How to program python, Chapter 6. > > thanks and best regards. > -- > did you lose the indentation in copying code to email? -- Joel Goldstick
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