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https://github.com/xen-project/xen.git
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kaf24@firebug.cl.cam.ac.uk
09d42caafd
that didn't have them. Signed-off-by: Mike Wray <mike.wray@hp.com>
125 lines
3.7 KiB
Python
125 lines
3.7 KiB
Python
#============================================================================
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of version 2.1 of the GNU Lesser General Public
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# License as published by the Free Software Foundation.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#============================================================================
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# Copyright (C) 2004, 2005 Mike Wray <mike.wray@hp.com>
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#============================================================================
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import types
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from xen.xend import sxp
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from xen.xend import PrettyPrint
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from xen.xend.Args import ArgError
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from xen.xend.XendError import XendError
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#from xen.xend.XendLogging import log
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import resource
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import http
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from xen.web.SrvBase import SrvBase
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class SrvConstructor:
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"""Delayed constructor for sub-servers.
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Does not import the sub-server class or create the object until needed.
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"""
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def __init__(self, klass):
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"""Create a constructor. It is assumed that the class
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should be imported as 'from xen.xend.server.klass import klass'.
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klass name of its class
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"""
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self.klass = klass
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self.obj = None
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def getobj(self):
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"""Get the sub-server object, importing its class and instantiating it if
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necessary.
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"""
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if not self.obj:
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exec 'from xen.xend.server.%s import %s' % (self.klass, self.klass)
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klassobj = eval(self.klass)
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self.obj = klassobj()
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return self.obj
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class SrvDir(SrvBase):
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"""Base class for directory servlets.
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"""
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isLeaf = False
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def __init__(self):
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SrvBase.__init__(self)
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self.table = {}
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self.order = []
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def noChild(self, msg):
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return resource.ErrorPage(http.NOT_FOUND, msg=msg)
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def getChild(self, x, req):
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if x == '': return self
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try:
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val = self.get(x)
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except XendError, ex:
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return self.noChild(str(ex))
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if val is None:
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return self.noChild('Not found: ' + str(x))
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else:
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return val
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def get(self, x):
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val = self.table.get(x)
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if isinstance(val, SrvConstructor):
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val = val.getobj()
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return val
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def add(self, x, v=None):
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if v is None:
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v = 'SrvDir'
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if isinstance(v, types.StringType):
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v = SrvConstructor(v)
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self.table[x] = v
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self.order.append(x)
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return v
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def render_GET(self, req):
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if self.use_sxp(req):
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req.setHeader("Content-type", sxp.mime_type)
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self.ls(req, 1)
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else:
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req.write('<html><head></head><body>')
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self.print_path(req)
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self.ls(req)
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self.form(req)
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req.write('</body></html>')
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return ''
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def ls(self, req, use_sxp=0):
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url = req.prePathURL()
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if not url.endswith('/'):
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url += '/'
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if use_sxp:
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req.write('(ls ')
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for k in self.order:
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req.write(' ' + k)
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req.write(')')
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else:
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req.write('<ul>')
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for k in self.order:
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v = self.get(k)
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req.write('<li><a href="%s%s">%s</a></li>'
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% (url, k, k))
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req.write('</ul>')
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def form(self, req):
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pass
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