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Viewing changes to lib/lp/services/webapp/batching.py

  • Committer: William Grant
  • Date: 2012-02-14 05:37:07 UTC
  • Revision ID: william.grant@canonical.com-20120214053707-1imq9ftc6ddonfes
Initial mostly working attempt at StormRangeFactory for bug listings.

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lib/lp/services/webapp/batching.py
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    )
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import lazr.batchnavigator
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from lazr.batchnavigator.interfaces import IRangeFactory
 
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from lazr.enum import DBItem
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import simplejson
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from storm import Undef
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from storm.expr import (
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    """See lp.services.webapp.interfaces.ITableBatchNavigator."""
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    implements(ITableBatchNavigator)
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    def __init__(self, results, request, start=0, size=None,
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                 columns_to_show=None, callback=None):
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        BatchNavigator.__init__(self, results, request, start, size, callback)
 
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    def __init__(self, results, request,
 
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                 columns_to_show=None, callback=None, range_factory=None):
 
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        BatchNavigator.__init__(
 
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            self, results, request, callback=callback,
 
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            range_factory=range_factory)
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        self.show_column = {}
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        if columns_to_show:
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    def default(self, obj):
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        if isinstance(obj, datetime):
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            return obj.isoformat()
 
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        if isinstance(obj, DBItem):
 
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            return obj.value
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        return simplejson.JSONEncoder.default(self, obj)
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                        # like May 35.
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                        self.reportError('Invalid datetime value: %r' % value)
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                        return None
 
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                elif (str(error).startswith('Not a DBItem') and
 
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                      isinstance(value, int)):
 
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                    value = expression.variable_factory().parse_set(
 
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                        value=value, from_db=True)
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                else:
 
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                    import pdb; pdb.set_trace()
 
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                    raise Exception('foo')
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                    self.reportError(
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                        'Invalid parameter: %r' % value)
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                    return None