source: main/waeup.kofa/branches/0.2/src/waeup/kofa/hostels/batching.py @ 17540

Last change on this file since 17540 was 9706, checked in by Henrik Bettermann, 12 years ago

Rework logging of batch processing. Remove redundant text but add name of import file.

  • Property svn:keywords set to Id
File size: 2.9 KB
Line 
1## $Id: batching.py 9706 2012-11-21 22:37:03Z henrik $
2##
3## Copyright (C) 2011 Uli Fouquet & Henrik Bettermann
4## This program is free software; you can redistribute it and/or modify
5## it under the terms of the GNU General Public License as published by
6## the Free Software Foundation; either version 2 of the License, or
7## (at your option) any later version.
8##
9## This program is distributed in the hope that it will be useful,
10## but WITHOUT ANY WARRANTY; without even the implied warranty of
11## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12## GNU General Public License for more details.
13##
14## You should have received a copy of the GNU General Public License
15## along with this program; if not, write to the Free Software
16## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17##
18"""Batch processing components for hostels.
19
20"""
21import grok
22from zope.interface import Interface
23from waeup.kofa.interfaces import IBatchProcessor, IGNORE_MARKER
24from waeup.kofa.utils.batching import BatchProcessor
25from waeup.kofa.hostels.interfaces import IHostel
26
27class HostelProcessor(BatchProcessor):
28    """A batch processor for IHostel objects.
29    """
30    grok.implements(IBatchProcessor)
31    grok.provides(IBatchProcessor)
32    grok.context(Interface)
33    util_name = 'hostelprocessor'
34    grok.name(util_name)
35
36    name = u'Hostel Processor'
37    iface = IHostel
38
39    location_fields = ['hostel_id',]
40    factory_name = 'waeup.Hostel'
41
42    mode = None
43
44    def parentsExist(self, row, site):
45        return 'hostels' in site.keys()
46
47    def entryExists(self, row, site):
48        return row['hostel_id'] in site['hostels'].keys()
49
50    def getParent(self, row, site):
51        return site['hostels']
52
53    def getEntry(self, row, site):
54        if not self.entryExists(row, site):
55            return None
56        parent = self.getParent(row, site)
57        return parent.get(row['hostel_id'])
58
59    def addEntry(self, obj, row, site):
60        parent = self.getParent(row, site)
61        parent.addHostel(obj)
62        return
63
64    def updateEntry(self, obj, row, site, filename):
65        """Update obj to the values given in row.
66        """
67        changed = []
68        for key, value in row.items():
69            # Skip fields to be ignored.
70            if value == IGNORE_MARKER:
71                continue
72            if not hasattr(obj, key):
73                continue
74            try:
75                evalvalue = eval(value)
76                if isinstance(evalvalue, list):
77                    value = evalvalue
78            except:
79                pass
80            setattr(obj, key, value)
81            log_value = getattr(value, 'code', value)
82            changed.append('%s=%s' % (key, log_value))
83
84        # Log actions...
85        location_field = self.location_fields[0]
86        items_changed = ', '.join(changed)
87        grok.getSite()['hostels'].logger.info(
88            '%s - %s - %s - updated: %s'
89            % (self.name, filename, row[location_field], items_changed))
90        return
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