cybertools/external/base.py
helmutm 3b595744ee add info() method for logging loader infos
git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@3871 fd906abe-77d9-0310-91a1-e0d9ade77398
2010-05-20 06:38:50 +00:00

99 lines
3.2 KiB
Python

#
# Copyright (c) 2009 Helmut Merz helmutm@cy55.de
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
"""
Base implementation for import adapters.
$Id$
"""
from cStringIO import StringIO
from logging import getLogger
from zope import component
from zope.interface import implements
from zope.cachedescriptors.property import Lazy
from cybertools.external.interfaces import IReader, ILoader
class BaseReader(object):
implements(IReader)
def __init__(self, context):
self.context = context
def read(self, input):
return []
class BaseLoader(object):
implements(ILoader)
def __init__(self, context):
self.context = context
self.changes = []
self.created = []
self.errors = []
self.summary = dict(count=0, new=0, changed=0, errors=0, warnings=0)
self.transcript = StringIO()
self.logger = getLogger('Loader')
self.groups = {}
def load(self, elements, recur=True):
self.loadRecursive(elements, recur)
self.transcript.write('Objects loaded: %(count)i; created: %(new)i, '
'changes: %(changed)i, warnings: %(warnings)i, '
'errors: %(errors)i\n' % self.summary)
def loadRecursive(self, elements, recur=True):
for element in elements:
element.execute(self)
if recur and element.subElements is not None:
self.loadRecursive(element.subElements)
self.summary['count'] += 1
def error(self, message):
self.transcript.write(message.encode('UTF-8') + '\n')
self.errors.append(message)
self.summary['errors'] += 1
self.logger.error(message)
def warn(self, message):
self.transcript.write(message.encode('UTF-8') + '\n')
self.errors.append(message)
self.summary['warnings'] += 1
self.logger.warn(message)
def info(self, message, showInTranscript=True):
if showInTranscript:
self.transcript.write(message.encode('UTF-8') + '\n')
self.logger.info(message)
def new(self, message=None):
if message is not None:
self.transcript.write('Object created: ' + message.encode('UTF-8') + '\n')
self.created.append(message)
self.summary['new'] += 1
def change(self, message=None):
if message is not None:
self.transcript.write('Object changed: ' + message.encode('UTF-8') + '\n')
self.changes.append(message)
self.summary['changed'] += 1