7f3e21abe318_add_preferred_codec_only_option_to_pjsip.py

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"""add preferred_codec_only option to pjsip
 
Revision ID: 7f3e21abe318
Revises: 4e2493ef32e6
Create Date: 2016-09-02 11:00:23.534748
 
"""
 
# revision identifiers, used by Alembic.
revision = '7f3e21abe318'
down_revision = '4e2493ef32e6'
 
from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects.postgresql import ENUM
 
YESNO_NAME = 'yesno_values'
YESNO_VALUES = ['yes', 'no']
 
def upgrade():
    ############################# Enums ##############################
 
    # yesno_values have already been created, so use postgres enum object
    # type to get around "already created" issue - works okay with mysql
    yesno_values = ENUM(*YESNO_VALUES, name=YESNO_NAME, create_type=False)
 
    op.add_column('ps_endpoints', sa.Column('preferred_codec_only', yesno_values))
 
def downgrade():
    op.drop_column('ps_endpoints', 'preferred_codec_only')