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20c9c23f51
Tables weren't being defined as UTF-8 if that wasn't the server default. A lot of tables were trying to create erroneous auto_increment columns. Foreign key checks were pretty much fucking everything up.
33 lines
1,021 B
Python
33 lines
1,021 B
Python
from sqlalchemy import MetaData, Table, create_engine, orm
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from .tables import metadata
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def connect(uri):
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"""Connects to the requested URI. Returns a session object.
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Calling this function also binds the metadata object to the created engine.
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"""
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### Do some fixery for MySQL
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if uri[0:5] == 'mysql':
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# MySQL uses latin1 for connections by default even if the server is
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# otherwise oozing with utf8; charset fixes this
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if 'charset' not in uri:
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uri += '?charset=utf8'
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# Tables should be InnoDB, in the event that we're creating them, and
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# use UTF-8 goddammit!
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for table in metadata.tables.values():
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table.kwargs['mysql_engine'] = 'InnoDB'
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table.kwargs['mysql_charset'] = 'utf8'
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### Connect
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engine = create_engine(uri)
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conn = engine.connect()
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metadata.bind = engine
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sm = orm.sessionmaker(autoflush=True, autocommit=False, bind=engine)
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session = orm.scoped_session(sm)
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return session
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