#
# pso.url.py - Python Service Objects
#
# Author: Thanos Vassilakis thanos@0x01.com
#
# Copyright (c) thanos vassilakis 2000,2001, 2002
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public License
# as published by the Free Software Foundation; either version 2.1 of the
# License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE.
# See the GNU Lesser General Public License for more details.
#
# See terms of license at gnu.org.
#
# $Id: url.py,v 1.5 2004/07/12 03:50:05 thanos Exp $
#
# created: thanos vassilakis 1/21/2001
#
# LGPL
#
#
__version__="$Revision: 1.5 $"
from urlparse import urlsplit,urlunsplit
from cgi import parse_qs
from urllib import urlencode
from xml.sax.saxutils import quoteattr
from copy import deepcopy
class Url(object):
_query=None
_script=None
def __init__(self, url, scheme="html"):
self.scheme, self.netlocation, self.path, query, self.fragment = urlsplit(url, scheme)
self.queryTD = self.decryptQuery(query)
self.changed=1
self._formFields =""
def decryptQuery(self, query): return query
def encryptQuery(self, query): return query
def processQuery(self):
if self._query is None:
self._query = parse_qs(self.queryTD)
return self._query
query = property(processQuery)
def getScript(self):
if self.changed or self._script is None:
self._script = urlunsplit((self.scheme, self.netlocation, self.path,'',''))
return self._script
script = property(getScript)
def getBase(self):
if self.changed or self._script is None:
self._script = urlunsplit((self.scheme, self.netlocation, '','',''))
return self._script
base = property(getBase)
def __setitem__(self, key, value):
self.changed=1
self.query[key] = value
def __delitem__(self, key):
try:
self.changed=1
del self.query[key]
except:
pass
def __getitem__(self,key):
value= self.query.get(key, None)
if type(value) is type([]):
if len(value) == 1:
return value[0]
return value
def clear(self, *args):
if not args:
self.query.clear()
else:
for arg in args:
del self[arg]
def append(self, key, value):
self.changed=1
try:
self.query[key].append(value)
except:
self.query[key]=[value]
NDICT={}
def __str__(self):
if self.changed:
self.queryTD= urlencode(self.query, self.query.items())
return urlunsplit((self.scheme, self.netlocation, self.path, self.encryptQuery(self.queryTD), self.fragment))
def getFormFields(self):
if self.changed:
self._formFields =""
for k, values in self.query.items():
if values:
if type(values) is type([]):
for v in values:
self._formFields = '%s\n<input type="hidden" name="%s" value="%s" >' % (self._formFields, k, v)
else:
self._formFields = '%s\n<input type="hidden" name="%s" value="%s" >' % (self._formFields, k, values)
return self._formFields
formFields = property(getFormFields)
def copy(self):
return deepcopy(self)
def uri(self, **kws):
query ={}
if not kws.get('_cleanup', True):
query.update(self.query)
for k,v in kws.items():
if v is None:
del kws[k]
if k in query:
del query[k]
else:
query[k] = v
query = self.encryptQuery(urlencode(query, query.items()))
return urlunsplit(('','',self.path, query, ''))
def aHref(self, cdata, **kws):
query = self.encryptQuery(urlencode(kws, kws.items()))
return '<a href="%s">%s</a>' %(urlunsplit(('','',self.path, query, '')), cdata)
def newA(self, uri, cdata, **attr):
attrlist = ["%s=%s" % (k, quoteattr(v)) for k,v in attr.items() if v]
attrlist.extend([k for k,v in attr.items() if not v])
attrlist = ' '.join(attrlist)
return '<a href="%s" %s>%s</a>' %( uri, attrlist, cdata)
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