provide CSV export for persistent form manager objects
git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@3723 fd906abe-77d9-0310-91a1-e0d9ade77398
This commit is contained in:
helmutm
parent
a1013b63b2
commit
5352c3559e
7 changed files with 138 additions and 15 deletions
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@ -22,6 +22,8 @@ Common base class(es) for schema and other template views.
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$Id$
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"""
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from datetime import datetime
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import time
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from zope import component
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from zope.app.pagetemplate import ViewPageTemplateFile
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from zope.app.session.interfaces import ISession
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@ -29,6 +31,7 @@ from zope.cachedescriptors.property import Lazy
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from cybertools.composer.interfaces import IInstance
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from cybertools.composer.schema.interfaces import IClientFactory, ISchema
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from cybertools.util.format import formatDate
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schema_macros = ViewPageTemplateFile('schema_macros.pt')
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@ -173,3 +176,14 @@ class BaseView(object):
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result.append(dict(label=f.title, value=data.get(f.name)))
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return result
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def getFormattedDate(self, date=None, type='date', variant='medium',
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adjustTz=False):
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if date is not None and not isinstance(date, (int, float)):
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return '???'
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if adjustTz:
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date = time.gmtime(date)[:6]
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else:
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date = time.localtime(date)[:6]
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date = datetime(*date)
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return formatDate(date, type=type, variant=variant, lang=self.getLanguage())
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112
composer/schema/browser/report.py
Normal file
112
composer/schema/browser/report.py
Normal file
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@ -0,0 +1,112 @@
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#
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# Copyright (c) 2010 Helmut Merz helmutm@cy55.de
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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"""
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View classes for CSV export.
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$Id$
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"""
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import csv
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from cStringIO import StringIO
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import itertools
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from zope import component
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from zope.cachedescriptors.property import Lazy
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from cybertools.composer.interfaces import IInstance
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from cybertools.composer.schema.interfaces import ISchema
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from cybertools.composer.schema.browser.schema import FormManagerView
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from cybertools.stateful.interfaces import IStateful
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class RegistrationsExportCsv(FormManagerView):
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encoding = 'ISO8859-15'
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#delimiter = ';'
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delimiter = ','
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def __init__(self, context, request):
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self.context = context
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self.request = request
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def setHeaders(self, size, filename=None):
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filename = filename or 'registrations.csv'
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response = self.request.response
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response.setHeader('Content-Disposition',
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'attachment; filename=%s' % filename)
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response.setHeader('Content-Type', 'text/x-comma-separated-values')
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response.setHeader('Content-Length', size)
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def getAllDataInColumns(self):
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""" Yield all data available, with
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columns for all data fields of all data templates.
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"""
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withTemporary = self.request.get('with_temporary')
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context = self.context
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schemas = [s for s in context.getClientSchemas() if ISchema.providedBy(s)]
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headline = (['Client ID', 'Time Stamp']
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+ list(itertools.chain(*[[self.encode(f.title)
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for f in s.fields
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if f.storeData]
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for s in schemas])))
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lines = []
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clients = context.getClients()
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for name, client in clients.items():
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timeStamp = client.timeStamp
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line = [name, timeStamp]
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for schema in schemas:
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instance = IInstance(client)
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instance.template = schema
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data = instance.applyTemplate()
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for f in schema.fields:
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if f.storeData:
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line.append(self.encode(data.get(f.name, '')))
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lines.append(line)
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lines.sort(key=lambda x: x[1])
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for l in lines:
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l[1] = self.getFormattedDate(l[1], type='dateTime', variant='short')
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return [headline] + lines
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def render(self):
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delimiter = self.delimiter
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xlsv = self.request.form.get('xlsv')
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if xlsv == '2007':
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delimiter = ';'
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methodName = self.request.get('get_data_method', 'getAllDataInColumns')
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method = getattr(self, methodName, self.getAllDataInColumns)
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output = StringIO()
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try:
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csv.writer(output, dialect='excel', delimiter=delimiter,
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quoting=csv.QUOTE_NONNUMERIC).writerows(method())
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except:
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import traceback; traceback.print_exc()
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raise
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result = output.getvalue()
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self.setHeaders(len(result))
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return result
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def encode(self, text):
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if type(text) is unicode:
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result = []
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for c in text:
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try:
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c = c.encode(self.encoding)
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except UnicodeEncodeError:
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c = '?'
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result.append(c)
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text = ''.join(result)
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return text
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@ -24,6 +24,7 @@ $Id$
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from BTrees.OOBTree import OOBTree
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from persistent import Persistent
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from time import time
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from zope.cachedescriptors.property import Lazy
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from zope.component import adapts
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from zope.interface import implements
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@ -88,8 +89,11 @@ class Client(Persistent):
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implements(IClient)
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timeStamp = None
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def __init__(self, manager=None):
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self.manager = manager
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self.timeStamp = int(time())
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class ClientFactory(object):
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@ -1,5 +1,5 @@
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#
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# Copyright (c) 2009 Helmut Merz helmutm@cy55.de
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# Copyright (c) 2010 Helmut Merz helmutm@cy55.de
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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@ -163,14 +163,14 @@ class ClientInstance(object):
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template = self.template
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if template is not None:
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values = attrs.get(self.aspect, {})
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for f in template.fields:
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for f in template.getFields():
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if not f.storeData:
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# a dummy field, e.g. a spacer
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continue
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fi = f.getFieldInstance(self)
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name = f.name
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#value = values.get(name, u'')
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value = values.get(name, f.defaultValue)
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value = values.get(name, f.getDefaultValue())
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value = mode == 'view' and fi.display(value) or fi.marshall(value)
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result[name] = value
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# update result with standard fields:
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@ -87,7 +87,8 @@ class RegistrationsExportCsv(BaseView):
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schemas = [s for s in context.getClientSchemas() if ISchema.providedBy(s)]
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headline = (['Client ID', 'Time Stamp']
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+ list(itertools.chain(*[[self.encode(f.title)
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for f in s.fields]
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for f in s.fields
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if f.storeData]
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for s in schemas])))
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for s in services:
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headline.append(self.encode(s.title))
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@ -134,7 +135,8 @@ class RegistrationsExportCsv(BaseView):
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instance.template = schema
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data = instance.applyTemplate()
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for f in schema.fields:
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line.append(self.encode(data.get(f.name, '')))
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if f.storeData:
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line.append(self.encode(data.get(f.name, '')))
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line += regs
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#if withWaitingList:
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# line += waiting
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@ -1,5 +1,5 @@
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#
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# Copyright (c) 2009 Helmut Merz helmutm@cy55.de
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# Copyright (c) 2010 Helmut Merz helmutm@cy55.de
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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@ -57,15 +57,6 @@ class BaseView(SchemaBaseView):
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# output formatting
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def getFormattedDate(self, date=None, type='date', variant='medium',
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adjustTz=False):
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if adjustTz:
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date = time.gmtime(date)[:6]
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else:
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date = time.localtime(date)[:6]
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date = datetime(*date)
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return formatDate(date, type=type, variant=variant, lang=self.getLanguage())
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def getFromTo(self, service=None):
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if service is None:
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service = self.context
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