--- a/sobjects/textparsers.py Mon Jan 04 18:40:30 2016 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,90 +0,0 @@
-# copyright 2003-2011 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/>.
-"""Some parsers to detect action to do from text
-
-Currently only a parser to look for state change instruction is provided.
-Take care to security when you're using it, think about the user that
-will provide the text to analyze...
-"""
-
-__docformat__ = "restructuredtext en"
-
-import re
-
-from cubicweb import UnknownEid
-from cubicweb.view import Component
-
-
-class TextAnalyzer(Component):
- """analyze and extract information from plain text by calling registered
- text parsers
- """
- __regid__ = 'textanalyzer'
-
- def parse(self, caller, text):
- for parsercls in self._cw.vreg['components'].get('textparser', ()):
- parsercls(self._cw).parse(caller, text)
-
-
-class TextParser(Component):
- """base class for text parser, responsible to extract some information
- from plain text. When something is done, it usually call the
-
- .fire_event(something, {event args})
-
- method on the caller.
- """
- __regid__ = 'textparser'
- __abstract__ = True
-
- def parse(self, caller, text):
- raise NotImplementedError
-
-
-class ChangeStateTextParser(TextParser):
- """search some text for change state instruction in the form
-
- :<transition name>: #?<eid>
- """
- instr_rgx = re.compile(':(\w+):\s*#?(\d+)', re.U)
-
- def parse(self, caller, text):
- for trname, eid in self.instr_rgx.findall(text):
- try:
- entity = self._cw.entity_from_eid(int(eid))
- except UnknownEid:
- self.error("can't get entity with eid %s", eid)
- continue
- if not hasattr(entity, 'in_state'):
- self.error('bad change state instruction for eid %s', eid)
- continue
- iworkflowable = entity.cw_adapt_to('IWorkflowable')
- if iworkflowable.current_workflow:
- tr = iworkflowable.current_workflow.transition_by_name(trname)
- else:
- tr = None
- if tr and tr.may_be_fired(entity.eid):
- try:
- trinfo = iworkflowable.fire_transition(tr)
- caller.fire_event('state-changed', {'trinfo': trinfo,
- 'entity': entity})
- except Exception:
- self.exception('while changing state of %s', entity)
- else:
- self.error("can't pass transition %s on entity %s",
- trname, entity)