Hello again
I'm using this solution
tgext.tagging relies heavily on ``SAVEPOINT`` to correctly handle
tagging uniqueness. The default SQLite behaviour is incompatible
with savepoints and requires some additional changes which are not
required when working with MySQL or Postgres.
Usually to make SQLite and zope.sqlalchemy properly behave the following
code
is required before using your models::
from sqlalchemy import event
@event.listens_for(engine, "connect")
def do_connect(dbapi_connection, connection_record):
# Disable SQLITE automatic transactions
dbapi_connection.isolation_level = None
@event.listens_for(engine, "begin")
def do_begin(conn):
# Manually emit SQLITE transaction begin
conn.execute("BEGIN")
# Tell zope.sqlalchemy that SQLITE now supports SAVEPOINT
from zope.sqlalchemy import datamanager
datamanager.NO_SAVEPOINT_SUPPORT = set()
but it's sendig this error now>
PlugTagging.plug of <tgext.tagging.PlugTagging object at 0x7f25d1636950>>
at startup: name 'engine' is not defined
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