Find value of input field in html doc using python

Question

I am trying to get input values from an HTML doc and want to parse out the values of hidden input fields. For example how can I parse out only the value from the snippet bel

Answer 1

Or with lxml:

import lxml.html

htmlstr = '''
    
    
'''

// Parse the string and turn it into a tree of elements
htmltree = lxml.html.fromstring(htmlstr)

// Iterate over each input element in the tree and print the relevant attributes
for input_el in htmltree.xpath('//input'):
    name = input_el.attrib['name']
    value = input_el.attrib['value']

    print "%s : %s" % (name, value)

Gives:

post_form_id : d619a1eb3becdc05a3ebea530396782f
fb_dtsg : AQCYsohu