[web] put a fake object that raise Unauthorized on any attribute access as req.cnx and req._user, so we are properly asked to authenticated on any view that tries to do something with one of those attributes (instead of doing defensive programming everywhere we're doing that)
"""management and error screens
:organization: Logilab
:copyright: 2001-2010 LOGILAB S.A. (Paris, FRANCE), license is LGPL v2.
:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
:license: GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses
"""
__docformat__ = "restructuredtext en"
from time import strftime, localtime
from logilab.mtconverter import xml_escape
from cubicweb.selectors import none_rset, match_user_groups
from cubicweb.view import StartupView
def dict_to_html(w, dict):
# XHTML doesn't allow emtpy <ul> nodes
if dict:
w(u'<ul>')
for key in sorted(dict):
w(u'<li><span class="label">%s</span>: <span>%s</span></li>' % (
xml_escape(str(key)), xml_escape(repr(dict[key]))))
w(u'</ul>')
class ProcessInformationView(StartupView):
"""display various web server /repository information"""
__regid__ = 'info'
__select__ = none_rset() & match_user_groups('managers')
title = _('server information')
def call(self, **kwargs):
req = self._cw
dtformat = req.property_value('ui.datetime-format')
_ = req._
w = self.w
# generic instance information
w(u'<h1>%s</h1>' % _('Instance'))
w(u'<table>')
w(u'<tr><th align="left">%s</th><td>%s</td></tr>' % (
_('config type'), self._cw.vreg.config.name))
w(u'<tr><th align="left">%s</th><td>%s</td></tr>' % (
_('config mode'), self._cw.vreg.config.mode))
w(u'<tr><th align="left">%s</th><td>%s</td></tr>' % (
_('instance home'), self._cw.vreg.config.apphome))
w(u'</table>')
vcconf = req.vreg.config.vc_config()
w(u'<h3>%s</h3>' % _('versions configuration'))
w(u'<table>')
w(u'<tr><th align="left">%s</th><td>%s</td></tr>' % (
'CubicWeb', vcconf.get('cubicweb', _('no version information'))))
for cube in sorted(self._cw.vreg.config.cubes()):
cubeversion = vcconf.get(cube, _('no version information'))
w(u'<tr><th align="left">%s</th><td>%s</td></tr>' % (
cube, cubeversion))
w(u'</table>')
# repository information
repo = req.vreg.config.repository(None)
w(u'<h1>%s</h1>' % _('Repository'))
w(u'<h3>%s</h3>' % _('resources usage'))
w(u'<table>')
stats = repo.stats()
for element in sorted(stats):
w(u'<tr><th align="left">%s</th><td>%s %s</td></tr>'
% (element, xml_escape(unicode(stats[element])),
element.endswith('percent') and '%' or '' ))
w(u'</table>')
if req.cnx._cnxtype == 'inmemory':
w(u'<h3>%s</h3>' % _('opened sessions'))
sessions = repo._sessions.values()
if sessions:
w(u'<ul>')
for session in sessions:
w(u'<li>%s (%s: %s)<br/>' % (
xml_escape(unicode(session)),
_('last usage'),
strftime(dtformat, localtime(session.timestamp))))
dict_to_html(w, session.data)
w(u'</li>')
w(u'</ul>')
else:
w(u'<p>%s</p>' % _('no repository sessions found'))
# web server information
w(u'<h1>%s</h1>' % _('Web server'))
w(u'<table>')
w(u'<tr><th align="left">%s</th><td>%s</td></tr>' % (
_('base url'), req.base_url()))
w(u'<tr><th align="left">%s</th><td>%s</td></tr>' % (
_('data directory url'), req.datadir_url))
w(u'</table>')
from cubicweb.web.application import SESSION_MANAGER
sessions = SESSION_MANAGER.current_sessions()
w(u'<h3>%s</h3>' % _('opened web sessions'))
if sessions:
w(u'<ul>')
for session in sessions:
w(u'<li>%s (%s: %s)<br/>' % (
session.sessionid,
_('last usage'),
strftime(dtformat, localtime(session.last_usage_time))))
dict_to_html(w, session.data)
w(u'</li>')
w(u'</ul>')
else:
w(u'<p>%s</p>' % _('no web sessions found'))
class RegistryView(StartupView):
"""display vregistry content"""
__regid__ = 'registry'
__select__ = StartupView.__select__ & match_user_groups('managers')
title = _('registry')
def call(self, **kwargs):
self.w(u'<h1>%s</h1>' % _("Registry's content"))
keys = sorted(self._cw.vreg)
url = xml_escape(self._cw.url())
self.w(u'<p>%s</p>\n' % ' - '.join('<a href="%s#%s">%s</a>'
% (url, key, key) for key in keys))
for key in keys:
self.w(u'<h2 id="%s">%s</h2>' % (key, key))
if self._cw.vreg[key]:
values = sorted(self._cw.vreg[key].iteritems())
self.wview('pyvaltable', pyvalue=[(key, xml_escape(repr(val)))
for key, val in values])
else:
self.w(u'<p>Empty</p>\n')
class GCView(StartupView):
"""display garbage collector information"""
__regid__ = 'gc'
__select__ = StartupView.__select__ & match_user_groups('managers')
title = _('memory leak debugging')
def call(self, **kwargs):
from cubicweb._gcdebug import gc_info
from rql.stmts import Union
from cubicweb.appobject import AppObject
from cubicweb.rset import ResultSet
from cubicweb.dbapi import Connection, Cursor
from cubicweb.web.request import CubicWebRequestBase
lookupclasses = (AppObject,
Union, ResultSet,
Connection, Cursor,
CubicWebRequestBase)
try:
from cubicweb.server.session import Session, ChildSession, InternalSession
lookupclasses += (InternalSession, ChildSession, Session)
except ImportError:
pass # no server part installed
self.w(u'<h1>%s</h1>' % _('Garbage collection information'))
counters, ocounters, garbage = gc_info(lookupclasses,
viewreferrersclasses=())
self.w(u'<h3>%s</h3>' % _('Looked up classes'))
values = sorted(counters.iteritems(), key=lambda x: x[1], reverse=True)
self.wview('pyvaltable', pyvalue=values)
self.w(u'<h3>%s</h3>' % _('Most referenced classes'))
values = sorted(ocounters.iteritems(), key=lambda x: x[1], reverse=True)
self.wview('pyvaltable', pyvalue=values[:self._cw.form.get('nb', 20)])
if garbage:
self.w(u'<h3>%s</h3>' % _('Unreachable objects'))
values = sorted(xml_escape(repr(o) for o in garbage))
self.wview('pyvallist', pyvalue=values)