Re: Problem with xmlproc

thanks!!!
i have understood the u operator.
One question:
WHY

2005/12/21, Werner F. Bruhin <[email protected]>:
>
> Marco Meoni wrote:
>
> > Hello everybody.
> > I have a problem with xmlproc.
> > If I have a dtd in the direcory of this file, the parser send me to
> > video the elelments and the attirbutes of the dtd.
> > this is the video output:
> >
> > sbaush@sbaush:/media/hda5/Universita'/Tesi/Manager$ python parser2.py
> > ELEMENTO: meshap-manager - (u'|', [(u'iptables-request', ''),
> > (u'iptables-response', ''), (u'routing-table-request', ''),
> > (u'routing-table-response', '')], '')
> > ELEMENTO: iptables-request - (u'|', [(u'policy', ''), (u'list', ''),
> > (u'flush', ''), (u'append', ''), (u'delete', '')], '')
> > ELEMENTO: policy - EMPTY
> > ATTRIBUTO: chain - Elemento: policy - Contenuto: [u'INPUT', u'OUTPUT',
> > u'FORWARD'] #REQUIRED - Default:[None]
> > ATTRIBUTO: target - Elemento: policy - Contenuto: [u'DROP', u'ACCEPT',
> > u'REJECT'] #REQUIRED - Default:[None]
> > ELEMENTO: list - EMPTY
> > ATTRIBUTO: chain - Elemento: list - Contenuto: [u'INPUT', u'OUTPUT',
> > u'FORWARD'] #IMPLIED - Default:[None]
> > ELEMENTO: flush - EMPTY
> > ATTRIBUTO: chain - Elemento: flush - Contenuto: [u'INPUT', u'OUTPUT',
> > u'FORWARD'] #IMPLIED - Default:[None]
> > ELEMENTO: append - (u',', [(u'protocol', u'?'), (u'source', u'?'),
> > (u'destination', u'?'), (u'jump', '')], '')
> > ATTRIBUTO: chain - Elemento: append - Contenuto: [u'INPUT', u'OUTPUT',
> > u'FORWARD'] #REQUIRED - Default:[None]
> > ELEMENTO: protocol - EMPTY
> > ATTRIBUTO: type - Elemento: protocol - Contenuto: [u'tcp', u'udp',
> > u'icmp'] #REQUIRED - Default:[None]
> > ELEMENTO: source - EMPTY
> > ATTRIBUTO: address - Elemento: source - Contenuto: CDATA #REQUIRED -
> > Default:[None]
> > ELEMENTO: destination - EMPTY
> > ATTRIBUTO: address - Elemento: destination - Contenuto: CDATA
> > #REQUIRED - Default:[None]
> > ELEMENTO: jump - EMPTY
> > ATTRIBUTO: option - Elemento: jump - Contenuto: [u'DROP', u'ACCEPT',
> > u'REJECT'] #REQUIRED - Default:[None]
> > ELEMENTO: delete - (u'|', [(u',', [(u'protocol', u'?'), (u'source',
> > ''), (u'jump', '')], ''), (u'number', '')], '')
> > ATTRIBUTO: chain - Elemento: delete - Contenuto: [u'INPUT', u'OUTPUT',
> > u'FORWARD'] #REQUIRED - Default:[None]
> > ELEMENTO: number - EMPTY
> > ATTRIBUTO: line - Elemento: number - Contenuto: CDATA #REQUIRED -
> > Default:[None]
> > ELEMENTO: iptables-response - (u'|', [(u'done', ''), (u'listtable',
> > '')], '')
> > ELEMENTO: done - EMPTY
> > ATTRIBUTO: value - Elemento: done - Contenuto: [u'true', u'false']
> > #REQUIRED - Default:[None]
> > ELEMENTO: listtable - ('', [(u'table', u'+')], '')
> > ELEMENTO: table - ('', [(u'rule', u'*')], '')
> > ATTRIBUTO: chain - Elemento: table - Contenuto: [u'INPUT', u'OUTPUT',
> > u'FORWARD'] #REQUIRED - Default:[None]
> > ATTRIBUTO: policy - Elemento: table - Contenuto: [u'ACCEPT', u'DROP',
> > u'REJECT'] #REQUIRED - Default:[None]
> > ELEMENTO: rule - EMPTY
> > ATTRIBUTO: number - Elemento: rule - Contenuto: CDATA #REQUIRED -
> > Default:[None]
> > ATTRIBUTO: target - Elemento: rule - Contenuto: [u'ACCEPT', u'DROP',
> > u'REJECT'] #REQUIRED - Default:[None]
> > ATTRIBUTO: protocol - Elemento: rule - Contenuto: [u'tcp', u'udp',
> > u'icmp'] #REQUIRED - Default:[None]
> > ATTRIBUTO: option - Elemento: rule - Contenuto: CDATA #REQUIRED -
> > Default:[None]
> > ATTRIBUTO: source - Elemento: rule - Contenuto: CDATA #REQUIRED -
> > Default:[None]
> > ATTRIBUTO: destination - Elemento: rule - Contenuto: CDATA #REQUIRED -
> > Default:[None]
> > ATTRIBUTO: description - Elemento: rule - Contenuto: CDATA #REQUIRED -
> > Default:[None]
> > ELEMENTO: routing-table-request - EMPTY
> > ELEMENTO: routing-table-response - ('', [(u'route', '')], '')
> > ELEMENTO: route - ('', [(u'row', u'*')], '')
> > ELEMENTO: row - EMPTY
> > ATTRIBUTO: interface - Elemento: row - Contenuto: CDATA #REQUIRED -
> > Default:[None]
> > ATTRIBUTO: destination - Elemento: row - Contenuto: CDATA #REQUIRED -
> > Default:[None]
> > ATTRIBUTO: gateway - Elemento: row - Contenuto: CDATA #REQUIRED -
> > Default:[None]
> > ATTRIBUTO: flags - Elemento: row - Contenuto: CDATA #REQUIRED -
> > Default:[None]
> > ATTRIBUTO: refcnt - Elemento: row - Contenuto: CDATA #REQUIRED -
> > Default:[None]
> > ATTRIBUTO: use - Elemento: row - Contenuto: CDATA #REQUIRED -
> > Default:[None]
> > ATTRIBUTO: metric - Elemento: row - Contenuto: CDATA #REQUIRED -
> > Default:[None]
> > ATTRIBUTO: mask - Elemento: row - Contenuto: CDATA #REQUIRED -
> > Default:[None]
> > ATTRIBUTO: mtu - Elemento: row - Contenuto: CDATA #REQUIRED -
> > Default:[None]
> > ATTRIBUTO: window - Elemento: row - Contenuto: CDATA #REQUIRED -
> > Default:[None]
> > ATTRIBUTO: irtt - Elemento: row - Contenuto: CDATA #REQUIRED -
> > Default:[None]
> >
> > It works perfectly. The question is: what is the "u" in the elements??
> > Thanks to all.
> > below there is my code.
>
> The 'u' creates a Unicode object from the string in quotes.
>
> x = u'sometext'
> >>> x
> u'sometext'
> >>> type(x)
> <type 'unicode'>
>
> You could also use unicode() if you need to define an encoding or want
> to define what happens on error.
>
> y = unicode('sometext', 'iso-8859-1')
> >>> y
> u'sometext'
> >>> type(y)
> <type 'unicode'>
>
> See you
> Werner
>
> >
> >
> > from xml.parsers.xmlproc import xmlproc
> > import sys
> >
> > class DTDReporter(xmlproc.DTDConsumer):
> >     "A simple class that just prints out the events it receives."
> >
> >     def __init__(self,parser,out=sys.stdout):
> >         xmlproc.DTDConsumer.__init__(self,parser)
> >         self.out=out
> >
> >     def new_attribute(self,elem,attr,a_type,a_decl,a_def):
> >         self.out.write("ATTRIBUTO: %s - Elemento: %s - Contenuto: %s
> > %s - Default:[%s]\n" % (attr,elem,a_type,a_decl,a_def))
> >
> >     def new_element_type(self,elem_name,elem_cont):
> >         self.out.write("ELEMENTO: %s - %s\n" % (elem_name,elem_cont))
> >
> >     # --- Client methods
> >
> >     def close(self):
> >         self.out.close()
> >
> > # --- Main program
> >
> > if __name__ == '__main__':
> >     t=xmlproc.DTDParser()
> >     t.set_dtd_consumer(DTDReporter(t))
> >     #Si sceglie se parsare il file messo come input da tastiera o se
> > il file sul disco. Si puo' dare anche il percorso di localizzazione
> > del file.
> >     #t.parse_resource(sys.argv[1])
> >     t.parse_resource("MeshAP2.dtd")
> >
> >
> >
> > --
> >
> > mail address: [email protected] <mailto:[email protected]>
> > web site: www.marcomeoni.net <http://www.marcomeoni.net/>
> >
> >------------------------------------------------------------------------
> >
> >_______________________________________________
> >XML-SIG maillist  -  [email protected]
> >http://mail.python.org/mailman/listinfo/xml-sig
> >
> >
>
>
>


--
Mail address: [email protected]
Web site: www.marcomeoni.net

_______________________________________________
XML-SIG maillist  -  [email protected]
http://mail.python.org/mailman/listinfo/xml-sig