what the heck this code is doing?
John Gordon
gordon at panix.com
Fri Jul 1 14:06:15 EDT 2016
In <3bbddafc-dcd6-4d5c-84f4-94077b5bccc8 at googlegroups.com> Basant Dagar <dagar.basant2 at gmail.com> writes:
> def lookup(d, keyval):
> found = False
> for child in d:
> if found : return child.text
> if child.tag == 'key' and child.text == keyval :
> found = True
> return None
> trackID = lookup(entry, 'Track ID')
> Below is the main part of input xml file data, it passes to lookup function:
> <key>Track ID</key><integer>369</integer>
> what I don't get is. How in the world it returns value 369 for the variable 'trackID'??
It loops through the child items in entry, looking for one with a
'key' value of 'Track ID'. If it finds one, it sets found=True and
loops one more time, returning the text of the *next* child element.
It depends on the 'key' element being directly followed by the 'integer'
element within entry.
--
John Gordon A is for Amy, who fell down the stairs
gordon at panix.com B is for Basil, assaulted by bears
-- Edward Gorey, "The Gashlycrumb Tinies"
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