52 lines
1.6 KiB
Python
52 lines
1.6 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import datetime
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from migrate import UniqueConstraint
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import pytz
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import sqlalchemy as sql
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from sqlalchemy.orm import sessionmaker
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_epoch = datetime.datetime.fromtimestamp(0, tz=pytz.UTC)
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def _convert_value_datetime_to_int(dt):
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dt = dt.replace(tzinfo=pytz.utc)
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return int((dt - _epoch).total_seconds() * 1000000)
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def upgrade(migrate_engine):
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meta = sql.MetaData()
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meta.bind = migrate_engine
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maker = sessionmaker(bind=migrate_engine)
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session = maker()
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trust_table = sql.Table('trust', meta, autoload=True)
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trusts = list(trust_table.select().execute())
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for trust in trusts:
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values = {}
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if trust.expires_at is not None:
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values['expires_at_int'] = _convert_value_datetime_to_int(
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trust.expires_at)
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update = trust_table.update().where(
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trust_table.c.id == trust.id).values(values)
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session.execute(update)
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session.commit()
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UniqueConstraint(table=trust_table,
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name='duplicate_trust_constraint').drop()
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session.close()
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