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[CLEANUP] Unused process_revision_directives function #282

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[CLEANUP] Unused process_revision_directives function #282

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14 changes: 0 additions & 14 deletions migrations/env.py
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Original file line number Diff line number Diff line change
Expand Up @@ -76,21 +76,7 @@ def run_migrations_online():
and associate a connection with the context.

"""

# this callback is used to prevent an auto-migration from being generated
# when there are no changes to the schema
# reference: http://alembic.zzzcomputing.com/en/latest/cookbook.html
def process_revision_directives(context, revision, directives):
if getattr(config.cmd_opts, "autogenerate", False):
script = directives[0]
if script.upgrade_ops.is_empty():
directives[:] = []
logger.info("No changes in schema detected.")

conf_args = current_app.extensions["migrate"].configure_args
if conf_args.get("process_revision_directives") is None:
conf_args["process_revision_directives"] = process_revision_directives

connectable = get_engine()

with connectable.connect() as connection:
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