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Viewing changes to grackle/model.py

  • Committer: William Grant
  • Date: 2012-01-23 00:16:32 UTC
  • Revision ID: william.grant@canonical.com-20120123001632-z6dig91md7qu91f6
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grackle/model.py
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    SystemManager,
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    TIME_UUID_TYPE,
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    )
 
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from pycassa.util import convert_time_to_uuid
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from grackle.cassandra import workaround_1779
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    return time.mktime(_utc_datetime(dt).timetuple()) - time.timezone
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def _utc_timeuuid(dt, lowest_val=True):
 
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    return convert_time_to_uuid(_utc_timestamp(dt), lowest_val)
 
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def _cmp_timeuuid(a, b):
 
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    if a.time != b.time:
 
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        return cmp(a.time, b.time)
 
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    return cmp(a, b)
 
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def _bound_timeuuid(a, b, max=False):
 
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    if a == '' or _cmp_timeuuid(b, a) == (1 if max else -1):
 
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        return b
 
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    return a
 
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class CassandraConnection(object):
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    def __init__(self, keyspace, host):
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        else:
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            return sequence[1:]
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    def get_messages(self, archive_uuid, order, count, memo, backward=False):
 
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    def get_messages(self, archive_uuid, order, count, memo, backward=False,
 
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                     start_date=None, finish_date=None):
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        if order in ("date", "-date"):
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            reversed = order[0] == '-'
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        else:
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        else:
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            start = memo
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            finish = ''
 
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        if start_date is not None:
 
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            start = _bound_timeuuid(
 
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                start, _utc_timeuuid(start_date, lowest_val=False), max=True)
 
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        if finish_date is not None:
 
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            finish = _bound_timeuuid(
 
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                finish, _utc_timeuuid(finish_date, lowest_val=False))
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        # Get up to n+1 messages from the memo: the last item of the
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        # previous batch (because that's where the memo starts) + this