annotate sat/memory/migration/env.py @ 3732:0fac164ff2d8

tools (xml_tools): fix `widget_args` modification in `_dataFormField2XMLUIData`: in `textbox` widget, the first arg was modified with all values, lettings other ones unchanger, resulting in invalid number of arguments. This has been fixed by replacing all args with the new value.
author Goffi <goffi@goffi.org>
date Mon, 31 Jan 2022 18:35:52 +0100
parents 71516731d0aa
children 54c249ec35ce
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 import asyncio
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2 from logging.config import fileConfig
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3 from sqlalchemy import pool
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4 from sqlalchemy.ext.asyncio import create_async_engine
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5 from alembic import context
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6 from sat.memory import sqla_config
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7 from sat.memory.sqla_mapping import Base
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8
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9 # this is the Alembic Config object, which provides
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10 # access to the values within the .ini file in use.
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11 config = context.config
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12
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13 # Interpret the config file for Python logging.
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14 # This line sets up loggers basically.
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15 fileConfig(config.config_file_name)
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16
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17 # add your model's MetaData object here
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18 # for 'autogenerate' support
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19 # from myapp import mymodel
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20 # target_metadata = mymodel.Base.metadata
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21 target_metadata = Base.metadata
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22
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23 # other values from the config, defined by the needs of env.py,
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24 # can be acquired:
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25 # my_important_option = config.get_main_option("my_important_option")
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26 # ... etc.
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27
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29 def run_migrations_offline():
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30 """Run migrations in 'offline' mode.
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31
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32 This configures the context with just a URL
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33 and not an Engine, though an Engine is acceptable
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34 here as well. By skipping the Engine creation
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35 we don't even need a DBAPI to be available.
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36
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37 Calls to context.execute() here emit the given string to the
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38 script output.
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39
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40 """
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41 db_config = sqla_config.getDbConfig()
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42 context.configure(
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43 url=db_config["url"],
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44 target_metadata=target_metadata,
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45 literal_binds=True,
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46 dialect_opts={"paramstyle": "named"},
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47 )
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48
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49 with context.begin_transaction():
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50 context.run_migrations()
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53 def do_run_migrations(connection):
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54 context.configure(
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55 connection=connection,
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56 target_metadata=target_metadata,
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57 render_as_batch=True
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58 )
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59
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60 with context.begin_transaction():
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61 context.run_migrations()
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63
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64 async def run_migrations_online():
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65 """Run migrations in 'online' mode.
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66
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67 In this scenario we need to create an Engine
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68 and associate a connection with the context.
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69
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70 """
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71 db_config = sqla_config.getDbConfig()
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72 engine = create_async_engine(
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73 db_config["url"],
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74 poolclass=pool.NullPool,
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75 future=True,
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76 )
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77
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78 async with engine.connect() as connection:
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79 await connection.run_sync(do_run_migrations)
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80
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81
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82 if context.is_offline_mode():
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83 run_migrations_offline()
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84 else:
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85 asyncio.run(run_migrations_online())