103 lines
2.7 KiB
Python
103 lines
2.7 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright(C) 2010 Christophe Benz, Romain Bignon
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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, version 3 of the License.
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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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from weboob.tools.misc import iter_fields
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__all__ = ['FieldNotFound', 'IBaseCap', 'NotAvailable', 'NotLoaded', 'CapBaseObject']
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class FieldNotFound(Exception):
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def __init__(self, obj, field):
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Exception.__init__(self, u'Field "%s" not found for object %s' % (field, obj))
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class NotAvailableMeta(type):
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def __str__(self):
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return unicode(self).decode('utf-8')
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def __unicode__(self):
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return u'Not available'
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def __nonzero__(self):
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return False
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class NotAvailable(object):
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__metaclass__ = NotAvailableMeta
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class NotLoadedMeta(type):
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def __str__(self):
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return unicode(self).decode('utf-8')
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def __unicode__(self):
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return u'Not loaded'
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def __nonzero__(self):
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return False
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class NotLoaded(object):
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__metaclass__ = NotLoadedMeta
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class IBaseCap(object):
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pass
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class CapBaseObject(object):
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FIELDS = None
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def __init__(self, id, backend=None):
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self.id = id
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self.backend = backend
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def __iscomplete__(self):
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"""
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Return True if the object is completed.
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It is usefull when the object is a field of an other object which is
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going to be filled.
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The default behavior is to iter on fields (with iter_fields) and if
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a field is NotLoaded, return False.
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"""
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for key, value in self.iter_fields():
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if value is NotLoaded:
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return False
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return True
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def iter_fields(self):
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"""
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Iterate on the FIELDS keys and values.
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Can be overloaded to iterate on other things.
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@return [iter(key,value)] iterator on key, value
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"""
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if self.FIELDS is None:
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yield 'id', self.id
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for key, value in iter_fields(self):
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if key not in ('id', 'backend','FIELDS'):
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yield key, value
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else:
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yield 'id', self.id
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for attrstr in self.FIELDS:
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yield attrstr, getattr(self, attrstr)
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