diff options
Diffstat (limited to 'src/migrations1')
-rw-r--r-- | src/migrations1/README | 1 | ||||
-rw-r--r-- | src/migrations1/env.py | 70 | ||||
-rw-r--r-- | src/migrations1/script.py.mako | 24 |
3 files changed, 95 insertions, 0 deletions
diff --git a/src/migrations1/README b/src/migrations1/README new file mode 100644 index 00000000..98e4f9c4 --- /dev/null +++ b/src/migrations1/README @@ -0,0 +1 @@ +Generic single-database configuration.
\ No newline at end of file diff --git a/src/migrations1/env.py b/src/migrations1/env.py new file mode 100644 index 00000000..058378b9 --- /dev/null +++ b/src/migrations1/env.py @@ -0,0 +1,70 @@ +from __future__ import with_statement +from alembic import context +from sqlalchemy import engine_from_config, pool +from logging.config import fileConfig + +# this is the Alembic Config object, which provides +# access to the values within the .ini file in use. +config = context.config + +# Interpret the config file for Python logging. +# This line sets up loggers basically. +fileConfig(config.config_file_name) + +# add your model's MetaData object here +# for 'autogenerate' support +# from myapp import mymodel +# target_metadata = mymodel.Base.metadata +target_metadata = None + +# other values from the config, defined by the needs of env.py, +# can be acquired: +# my_important_option = config.get_main_option("my_important_option") +# ... etc. + + +def run_migrations_offline(): + """Run migrations in 'offline' mode. + + This configures the context with just a URL + and not an Engine, though an Engine is acceptable + here as well. By skipping the Engine creation + we don't even need a DBAPI to be available. + + Calls to context.execute() here emit the given string to the + script output. + + """ + url = config.get_main_option("sqlalchemy.url") + context.configure( + url=url, target_metadata=target_metadata, literal_binds=True) + + with context.begin_transaction(): + context.run_migrations() + + +def run_migrations_online(): + """Run migrations in 'online' mode. + + In this scenario we need to create an Engine + and associate a connection with the context. + + """ + connectable = engine_from_config( + config.get_section(config.config_ini_section), + prefix='sqlalchemy.', + poolclass=pool.NullPool) + + with connectable.connect() as connection: + context.configure( + connection=connection, + target_metadata=target_metadata + ) + + with context.begin_transaction(): + context.run_migrations() + +if context.is_offline_mode(): + run_migrations_offline() +else: + run_migrations_online() diff --git a/src/migrations1/script.py.mako b/src/migrations1/script.py.mako new file mode 100644 index 00000000..43c09401 --- /dev/null +++ b/src/migrations1/script.py.mako @@ -0,0 +1,24 @@ +"""${message} + +Revision ID: ${up_revision} +Revises: ${down_revision | comma,n} +Create Date: ${create_date} + +""" + +# revision identifiers, used by Alembic. +revision = ${repr(up_revision)} +down_revision = ${repr(down_revision)} +branch_labels = ${repr(branch_labels)} +depends_on = ${repr(depends_on)} + +from alembic import op +import sqlalchemy as sa +${imports if imports else ""} + +def upgrade(): + ${upgrades if upgrades else "pass"} + + +def downgrade(): + ${downgrades if downgrades else "pass"} |