# copyright 2010-2012 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
#
# This file is part of CubicWeb.
#
# CubicWeb 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.
#
# CubicWeb 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.
#
# You should have received a copy of the GNU Lesser General Public License along
# with CubicWeb. If not, see <http://www.gnu.org/licenses/>.
"""Specific views for data sources and related entities (eg CWSource,
CWSourceHostConfig, CWSourceSchemaConfig).
"""
__docformat__ = "restructuredtext en"
_ = unicode
import logging
from itertools import repeat
from logilab.mtconverter import xml_escape
from logilab.common.decorators import cachedproperty
from cubicweb import Unauthorized, tags
from cubicweb.utils import make_uid
from cubicweb.predicates import (is_instance, score_entity, has_related_entities,
match_user_groups, match_kwargs, match_view)
from cubicweb.view import EntityView, StartupView
from cubicweb.schema import META_RTYPES, VIRTUAL_RTYPES, display_name
from cubicweb.web import formwidgets as wdgs, facet
from cubicweb.web.views import add_etype_button
from cubicweb.web.views import (uicfg, tabs, actions, ibreadcrumbs, navigation,
tableview, pyviews)
_abaa = uicfg.actionbox_appearsin_addmenu
# there are explicit 'add' buttons for those
_abaa.tag_object_of(('CWSourceSchemaConfig', 'cw_schema', '*'), False)
_abaa.tag_object_of(('CWSourceSchemaConfig', 'cw_for_source', '*'), False)
_abaa.tag_object_of(('CWSourceSchemaConfig', 'cw_host_config_of', '*'), False)
_abaa.tag_object_of(('CWDataImport', 'cw_import_of', '*'), False)
_afs = uicfg.autoform_section
_afs.tag_attribute(('CWSource', 'latest_retrieval'), 'main', 'hidden')
_afs.tag_attribute(('CWSource', 'in_synchronization'), 'main', 'hidden')
_afs.tag_object_of(('*', 'cw_for_source', 'CWSource'), 'main', 'hidden')
_affk = uicfg.autoform_field_kwargs
_affk.tag_attribute(('CWSource', 'parser'), {'widget': wdgs.TextInput})
# source primary views #########################################################
_pvs = uicfg.primaryview_section
_pvs.tag_attribute(('CWSource', 'name'), 'hidden')
_pvs.tag_object_of(('*', 'cw_for_source', 'CWSource'), 'hidden')
_pvs.tag_object_of(('*', 'cw_host_config_of', 'CWSource'), 'hidden')
_pvdc = uicfg.primaryview_display_ctrl
_pvdc.tag_attribute(('CWSource', 'type'), {'vid': 'attribute'})# disable reledit
_rc = uicfg.reledit_ctrl
_rc.tag_attribute(('CWSource', 'config'), {'rvid': 'verbatimattr'})
_rc.tag_attribute(('CWSourceHostConfig', 'config'), {'rvid': 'verbatimattr'})
_rc.tag_attribute(('CWSourceSchemaConfig', 'options'), {'rvid': 'verbatimattr'})
class CWSourcePrimaryView(tabs.TabbedPrimaryView):
__select__ = is_instance('CWSource')
tabs = [_('cwsource-main'), _('cwsource-mapping'), _('cwsource-imports')]
default_tab = 'cwsource-main'
class CWSourceMainTab(tabs.PrimaryTab):
__regid__ = 'cwsource-main'
__select__ = is_instance('CWSource')
def render_entity_attributes(self, entity):
super(CWSourceMainTab, self).render_entity_attributes(entity)
self.w(add_etype_button(self._cw, 'CWSourceHostConfig',
__linkto='cw_host_config_of:%s:subject' % entity.eid,
__redirectpath=entity.rest_path()))
try:
hostconfig = self._cw.execute(
'Any X, XC, XH WHERE X cw_host_config_of S, S eid %(s)s, '
'X config XC, X match_host XH', {'s': entity.eid})
except Unauthorized:
pass
else:
if hostconfig:
self.w(u'<h3>%s</h3>' % self._cw._('CWSourceHostConfig_plural'))
self._cw.view('table', hostconfig, w=self.w,
displaycols=range(2),
cellvids={1: 'editable-final'})
MAPPED_SOURCE_TYPES = set( ('datafeed',) )
class CWSourceMappingTab(EntityView):
__regid__ = 'cwsource-mapping'
__select__ = (is_instance('CWSource')
& match_user_groups('managers')
& score_entity(lambda x:x.type in MAPPED_SOURCE_TYPES))
def entity_call(self, entity):
_ = self._cw._
self.w('<h3>%s</h3>' % _('Entity and relation supported by this source'))
self.w(add_etype_button(self._cw, 'CWSourceSchemaConfig',
__linkto='cw_for_source:%s:subject' % entity.eid))
self.w(u'<div class="clear"></div>')
rset = self._cw.execute(
'Any X, SCH, XO ORDERBY ET WHERE X options XO, X cw_for_source S, S eid %(s)s, '
'X cw_schema SCH, SCH is ET', {'s': entity.eid})
self.wview('table', rset, 'noresult')
checker = MappingChecker(entity)
checker.check()
if (checker.errors or checker.warnings or checker.infos):
self.w('<h2>%s</h2>' % _('Detected problems'))
errors = zip(repeat(_('error')), checker.errors)
warnings = zip(repeat(_('warning')), checker.warnings)
infos = zip(repeat(_('warning')), checker.infos)
self.wview('pyvaltable', pyvalue=errors + warnings + infos)
class MappingChecker(object):
def __init__(self, cwsource):
self.cwsource = cwsource
self.errors = []
self.warnings = []
self.infos = []
self.schema = cwsource._cw.vreg.schema
def init(self):
# supported entity types
self.sentities = set()
# supported relations
self.srelations = {}
# avoid duplicated messages
self.seen = set()
# first get mapping as dict/sets
for schemacfg in self.cwsource.reverse_cw_for_source:
self.init_schemacfg(schemacfg)
def init_schemacfg(self, schemacfg):
cwerschema = schemacfg.schema
if cwerschema.__regid__ == 'CWEType':
self.sentities.add(cwerschema.name)
elif cwerschema.__regid__ == 'CWRType':
assert not cwerschema.name in self.srelations
self.srelations[cwerschema.name] = None
else: # CWAttribute/CWRelation
self.srelations.setdefault(cwerschema.rtype.name, []).append(
(cwerschema.stype.name, cwerschema.otype.name) )
self.sentities.add(cwerschema.stype.name)
self.sentities.add(cwerschema.otype.name)
def check(self):
self.init()
error = self.errors.append
warning = self.warnings.append
info = self.infos.append
for etype in self.sentities:
eschema = self.schema[etype]
for rschema, ttypes, role in eschema.relation_definitions():
if rschema in META_RTYPES:
continue
ttypes = [ttype for ttype in ttypes if ttype in self.sentities]
if not rschema in self.srelations:
for ttype in ttypes:
rdef = rschema.role_rdef(etype, ttype, role)
self.seen.add(rdef)
if rdef.role_cardinality(role) in '1+':
error(_('relation %(type)s with %(etype)s as %(role)s '
'and target type %(target)s is mandatory but '
'not supported') %
{'rtype': rschema, 'etype': etype, 'role': role,
'target': ttype})
elif ttype in self.sentities:
warning(_('%s could be supported') % rdef)
elif not ttypes:
warning(_('relation %(rtype)s with %(etype)s as %(role)s is '
'supported but no target type supported') %
{'rtype': rschema, 'role': role, 'etype': etype})
for rtype, rdefs in self.srelations.iteritems():
if rdefs is None:
rschema = self.schema[rtype]
for subj, obj in rschema.rdefs:
if subj in self.sentities and obj in self.sentities:
break
else:
error(_('relation %s is supported but none of its definitions '
'matches supported entities') % rtype)
self.custom_check()
def custom_check(self):
pass
class CWSourceImportsTab(EntityView):
__regid__ = 'cwsource-imports'
__select__ = (is_instance('CWSource')
& has_related_entities('cw_import_of', 'object'))
def entity_call(self, entity):
rset = self._cw.execute('Any X, XST, XET, XS ORDERBY XST DESC WHERE '
'X cw_import_of S, S eid %(s)s, X status XS, '
'X start_timestamp XST, X end_timestamp XET',
{'s': entity.eid})
self._cw.view('cw.imports-table', rset, w=self.w)
class CWImportsTable(tableview.EntityTableView):
__regid__ = 'cw.imports-table'
__select__ = is_instance('CWDataImport')
columns = ['import', 'start_timestamp', 'end_timestamp']
column_renderers = {'import': tableview.MainEntityColRenderer()}
layout_args = {'display_filter': 'top'}
# sources management view ######################################################
class ManageSourcesAction(actions.ManagersAction):
__regid__ = 'cwsource'
title = _('data sources')
category = 'manage'
order = 100
class CWSourcesManagementView(StartupView):
__regid__ = 'cw.sources-management'
rql = ('Any S,ST,SP,SD,SN ORDERBY SN WHERE S is CWSource, S name SN, S type ST, '
'S latest_retrieval SD, S parser SP')
title = _('data sources management')
def call(self, **kwargs):
self.w('<h1>%s</h1>' % self._cw._(self.title))
self.w(add_etype_button(self._cw, 'CWSource'))
self.w(u'<div class="clear"></div>')
self.wview('cw.sources-table', self._cw.execute(self.rql))
class CWSourcesTable(tableview.EntityTableView):
__regid__ = 'cw.sources-table'
__select__ = is_instance('CWSource')
columns = ['source', 'type', 'parser', 'latest_retrieval', 'latest_import']
class LatestImportColRenderer(tableview.EntityTableColRenderer):
def render_cell(self, w, rownum):
entity = self.entity(rownum)
rset = self._cw.execute('Any X,XS,XST ORDERBY XST DESC LIMIT 1 WHERE '
'X cw_import_of S, S eid %(s)s, X status XS, '
'X start_timestamp XST', {'s': entity.eid})
if rset:
self._cw.view('incontext', rset, row=0, w=w)
else:
w(self.empty_cell_content)
column_renderers = {
'source': tableview.MainEntityColRenderer(),
'latest_import': LatestImportColRenderer(header=_('latest import'),
sortable=False)
}
# datafeed source import #######################################################
REVERSE_SEVERITIES = {
logging.DEBUG : _('DEBUG'),
logging.INFO : _('INFO'),
logging.WARNING : _('WARNING'),
logging.ERROR : _('ERROR'),
logging.FATAL : _('FATAL')
}
def log_to_table(req, rawdata):
data = []
for msg_idx, msg in enumerate(rawdata.split('<br/>')):
record = msg.strip()
if not record:
continue
try:
severity, url, line, msg = record.split('\t', 3)
except ValueError:
req.warning('badly formated log %s' % record)
url = line = u''
severity = logging.DEBUG
msg = record
data.append( (severity, url, line, msg) )
return data
class LogTableLayout(tableview.TableLayout):
__select__ = match_view('cw.log.table')
needs_js = tableview.TableLayout.needs_js + ('cubicweb.log.js',)
needs_css = tableview.TableLayout.needs_css + ('cubicweb.log.css',)
columns_css = {
0: 'logSeverity',
1: 'logPath',
2: 'logLine',
3: 'logMsg',
}
def render_table(self, w, actions, paginate):
default_level = self.view.cw_extra_kwargs['default_level']
if default_level != 'Debug':
self._cw.add_onload('$("select.logFilter").val("%s").change();'
% self._cw.form.get('logLevel', default_level))
w(u'\n<form action="#"><fieldset>')
w(u'<label>%s</label>' % self._cw._(u'Message threshold'))
w(u'<select class="log_filter" onchange="filterLog(\'%s\', this.options[this.selectedIndex].value)">'
% self.view.domid)
for level in ('DEBUG', 'INFO', 'WARNING', 'ERROR', 'FATAL'):
w('<option value="%s">%s</option>' % (level.capitalize(),
self._cw._(level)))
w(u'</select>')
w(u'</fieldset></form>')
super(LogTableLayout, self).render_table(w, actions, paginate)
def table_attributes(self):
attrs = super(LogTableLayout, self).table_attributes()
attrs['id'] = 'table'+self.view.domid
return attrs
def row_attributes(self, rownum):
attrs = super(LogTableLayout, self).row_attributes(rownum)
attrs['id'] = 'log_msg_%i' % rownum
severityname = REVERSE_SEVERITIES[int(self.view.pyvalue[rownum][0])]
attrs['class'] = 'log%s' % severityname.capitalize()
return attrs
def cell_attributes(self, rownum, colnum, colid):
attrs = super(LogTableLayout, self).cell_attributes(rownum, colnum, colid)
attrs['class'] = self.columns_css[colnum]
return attrs
class LogTable(pyviews.PyValTableView):
__regid__ = 'cw.log.table'
headers = [_('severity'), _('url'), _('line'), _('message')]
@cachedproperty
def domid(self):
return make_uid('logTable')
class SeverityRenderer(pyviews.PyValTableColRenderer):
def render_cell(self, w, rownum):
severity = self.data[rownum][0]
w(u'<a class="internallink" href="javascript:;" title="%(title)s" '
u'''onclick="document.location.hash='%(msg_id)s';">¶</a>'''
u' %(severity)s' % {
'severity': self._cw._(REVERSE_SEVERITIES[int(severity)]),
'title': self._cw._('permalink to this message'),
'msg_id': 'log_msg_%i' % rownum,
})
def sortvalue(self, rownum):
return int(self.data[rownum][0])
class URLRenderer(pyviews.PyValTableColRenderer):
def render_cell(self, w, rownum):
url = self.data[rownum][1]
if url and url.startswith('http'):
url = tags.a(url, href=url)
w(url or u' ')
class LineRenderer(pyviews.PyValTableColRenderer):
def render_cell(self, w, rownum):
line = self.data[rownum][2]
w(line or u' ')
class MessageRenderer(pyviews.PyValTableColRenderer):
snip_over = 7
def render_cell(self, w, rownum):
msg = self.data[rownum][3]
lines = msg.splitlines()
if len(lines) <= self.snip_over:
w(u'<pre class="rawtext">%s</pre>' % msg)
else:
# The make_uid argument has no specific meaning here.
div_snip_id = make_uid(u'log_snip_')
div_full_id = make_uid(u'log_full_')
divs_id = (div_snip_id, div_full_id)
snip = u'\n'.join((lines[0], lines[1],
u' ...',
u' %i more lines [double click to expand]' % (len(lines)-4),
u' ...',
lines[-2], lines[-1]))
divs = (
(div_snip_id, snip, u'expand', "class='collapsed'"),
(div_full_id, msg, u'collapse', "class='hidden'")
)
for div_id, content, button, h_class in divs:
text = self._cw._(button)
js = u"toggleVisibility('%s'); toggleVisibility('%s');" % divs_id
w(u'<div id="%s" %s>' % (div_id, h_class))
w(u'<pre class="raw_test" ondblclick="javascript: %s" '
u'title="%s" style="display: block;">' % (js, text))
w(content)
w(u'</pre>')
w(u'</div>')
column_renderers = {0: SeverityRenderer(),
1: URLRenderer(sortable=False),
2: LineRenderer(sortable=False),
3: MessageRenderer(sortable=False),
}
class DataFeedSourceDataImport(EntityView):
__select__ = EntityView.__select__ & match_kwargs('rtype')
__regid__ = 'cw.formated_log'
def cell_call(self, row, col, rtype, loglevel='Info', **kwargs):
if 'dispctrl' in self.cw_extra_kwargs:
loglevel = self.cw_extra_kwargs['dispctrl'].get('loglevel', loglevel)
entity = self.cw_rset.get_entity(row, col)
value = getattr(entity, rtype)
if value:
self._cw.view('cw.log.table', pyvalue=log_to_table(self._cw, value),
default_level=loglevel, w=self.w)
else:
self.w(self._cw._('no log to display'))
_pvs.tag_attribute(('CWDataImport', 'log'), 'relations')
_pvdc.tag_attribute(('CWDataImport', 'log'), {'vid': 'cw.formated_log'})
_pvs.tag_subject_of(('CWDataImport', 'cw_import_of', '*'), 'hidden') # in breadcrumbs
_pvs.tag_object_of(('*', 'cw_import_of', 'CWSource'), 'hidden') # in dedicated tab
class CWDataImportIPrevNextAdapter(navigation.IPrevNextAdapter):
__select__ = is_instance('CWDataImport')
def next_entity(self):
if self.entity.start_timestamp is not None:
# add NOT X eid %(e)s because > may not be enough
rset = self._cw.execute(
'Any X,XSTS ORDERBY 2 LIMIT 1 WHERE X is CWDataImport, '
'X cw_import_of S, S eid %(s)s, NOT X eid %(e)s, '
'X start_timestamp XSTS, X start_timestamp > %(sts)s',
{'sts': self.entity.start_timestamp,
'e': self.entity.eid,
's': self.entity.cwsource.eid})
if rset:
return rset.get_entity(0, 0)
def previous_entity(self):
if self.entity.start_timestamp is not None:
# add NOT X eid %(e)s because < may not be enough
rset = self._cw.execute(
'Any X,XSTS ORDERBY 2 DESC LIMIT 1 WHERE X is CWDataImport, '
'X cw_import_of S, S eid %(s)s, NOT X eid %(e)s, '
'X start_timestamp XSTS, X start_timestamp < %(sts)s',
{'sts': self.entity.start_timestamp,
'e': self.entity.eid,
's': self.entity.cwsource.eid})
if rset:
return rset.get_entity(0, 0)
class CWDataImportStatusFacet(facet.AttributeFacet):
__regid__ = 'datafeed.dataimport.status'
__select__ = is_instance('CWDataImport')
rtype = 'status'
# breadcrumbs configuration ####################################################
class CWsourceConfigIBreadCrumbsAdapter(ibreadcrumbs.IBreadCrumbsAdapter):
__select__ = is_instance('CWSourceHostConfig', 'CWSourceSchemaConfig')
def parent_entity(self):
return self.entity.cwsource
class CWDataImportIBreadCrumbsAdapter(ibreadcrumbs.IBreadCrumbsAdapter):
__select__ = is_instance('CWDataImport')
def parent_entity(self):
return self.entity.cw_import_of[0]