[Tutor] Python & XML

[justinstraube at charter.net]

On Sun, 9 May 2004 11:56:14 -0400, Isr wrote:
>
>Don't know anything about XML. But just wanted to mention that it's 
not advisable to assign anything to a built-in function name, or 
keyward.  The line:
>print = '\t\tPSETI'
>is doing just that. "print" is a built in keyword.

Thanks for pointing that out. That was just sloppy, sorry.

Ive managed a way to extract the wanted data from the xml string, 
though Im not sure if Im going about this in the best way. I think this 
should work for any SETI user.

#################################
#####   PSETI   #################
#################################

import httplib
from xml.dom import minidom

_name_ = 'PSETI'
_auth_ = 'justinstraube at charter.net'
_date_ = 'May 11 2004'
_ver_ = '0.0004'
_inf_ = 'Python 2.3  www.Python.org'

SETI = "setiathome2.ssl.berkeley.edu"

while 1:
    print '\t', _name_, _ver_, '\t', _date_
    print '\n\tCreated by:', _auth_
    print '\tWritten in:', _inf_
    usrmail = raw_input('\nYour Email Address: ')

    if usrmail == '':
        usrmail = _auth_

    add = '/fcgi-bin/fcgi?cmd=user_xml&email=' + usrmail

    conx = httplib.HTTPConnection(SETI)
    conx.request("GET", add)
    response = conx.getresponse()

    if response.status == 500:
        print response.status, response.reason
        print """\n\t\tServer Error\n
        The page or site is temporarily down or disabled.
        Sorry for the inconvienience.

        Please try again later.\n"""
        break

    data = response.read()

    if data[-33:] == 'No user with that name was found.':
        print """\n\t\tNo user with that name was found.
        Please check the email address and try again.\n"""
        break

    conx.close()

    xdata = minidom.parseString(data)

    ud = {}     #users dictionary

    usr = xdata.childNodes[1].childNodes

    for item in usr:
        if item.nodeType == item.ELEMENT_NODE:

            if item.tagName == 'userinfo':
                for node in item.childNodes:
                    if node.nodeType == node.ELEMENT_NODE:
                        if node.tagName == 'name':
                            uname = node.toxml()
                            ud[1] = uname[6:-7] + ' <' + usrmail + '>'
                            node.unlink
                        elif node.tagName == 'numresults':
                            num = node.toxml()
                            ud[2] = num[12:-13]
                            node.unlink
                        elif node.tagName == 'cputime':
                            cput = node.toxml()
                            ud[3] = cput[9:-10]
                            node.unlink
                        elif node.tagName == 'avecpu':
                            avg = node.toxml()
                            ud[4] = avg[8:-9]
                            node.unlink
                        elif node.tagName == 'resultsperday':
                            rpd = node.toxml()
                            ud[5] = rpd[15:-16]
                            node.unlink
                        elif node.tagName == 'lastresulttime':
                            lrr = node.toxml()
                            ud[6] = lrr[16:-17]
                            node.unlink
                        elif node.tagName == 'regdate':
                            regd = node.toxml()
                            ud[7] = regd[9:-10]
                            node.unlink
                        elif node.tagName == 'usertime':
                            usrt = node.toxml()
                            ud[8] = usrt[10:-11]
                            node.unlink
                        else:
                            node.unlink
                    else:
                        node.unlink

            elif item.tagName == 'groupinfo':
                flist = ''  # if user has started multiple groups.
                for node in item.childNodes:
                    if node.nodeType == node.ELEMENT_NODE:
                        if node.tagName == 'founder':
                            found = node.toxml()
                            found = found[82:-14]
                            flist = flist + ', ' + found
                            node.unlink
                        elif node.tagName == 'group':
                            group = node.toxml()
                            ud[10] = group[80:-12]
                            node.unlink
                        else:
                            node.unlink
                    else:
                        node.unlink
                    # founder list is added after all tags have been
                    # sliced,if user has started multiple groups
                    ud[9] = flist

            elif item.tagName == 'rankinfo':
                for node in item.childNodes:
                    if node.nodeType == node.ELEMENT_NODE:
                        if node.tagName == 'rank':
                            rank = node.toxml()
                            ud[11] = rank[6:-7]
                            node.unlink
                        elif node.tagName == 'ranktotalusers':
                            total = node.toxml()
                            ud[12] = total[16:-17]
                            node.unlink
                        elif node.tagName == 'num_samerank':
                            same = node.toxml()
                            ud[13] = same[14:-15]
                            node.unlink
                        elif node.tagName == 'top_rankpct':
                            pct = node.toxml()
                            ud[14] = pct[13:-14]
                            node.unlink
                        else:
                            node.unlink
                    else:
                        node.unlink

            elif item.tagName == 'certinfo':
                for node in item.childNodes:
                    if node.nodeType == node.ELEMENT_NODE:
                        if node.tagName == 'cert':
                            # Should be the highest certificate.
                            cert = node.toxml()
                            cert = cert[69:]
                            cert = cert[len(usrmail):]
                            ud[15] = cert[45:-11]
                            node.unlink
                            break
                        else:
                            node.unlink
                    else:
                        node.unlink
    # if user has not founder of a group
    if ud[9] == '':
        ud[9] = '<none>'
    #if user has no certificates yet
    if ud.has_key(15) == False:
        ud[15] = '<none>'

    print '\nUser:\t\t', ud[1]
    print 'Finished Units:', ud[2], 'over', ud[3]
    print 'Results/Day:\t', ud[4], ' Avg:', ud[5]
    print 'Last Result:\t', ud[6]
    print 'Registered on:\t', ud[7]
    print 'User for\t', ud[8]
    print 'Founder of: \t', ud[9][2:]
    print 'Member of: \t', ud[10]
    print 'Rank:\t\t', ud[11], 'of', ud[12], 'users total.'
    print 'Your Rank:\t', ud[13], ',', ud[14], 'users share the same 
rank.'
    print 'Highest Cert: \t', ud[15]

    break
####

regards,

Justin