krz/hutch-stats

 1from __future__ import annotations
 2
 3from logging.config import fileConfig
 4import os
 5
 6from alembic import context
 7from sqlalchemy import engine_from_config, pool
 8
 9from srht_contrib.config import Settings
10from srht_contrib.db import Base
11from srht_contrib.models import ActorAlias, ContributionEvent, SyncState, TrackedRepository  # noqa: F401
12
13config = context.config
14
15if config.config_file_name is not None:
16    fileConfig(config.config_file_name)
17
18target_metadata = Base.metadata
19
20
21def get_database_url() -> str:
22    env_database_url = os.getenv("DATABASE_URL")
23    if env_database_url:
24        return env_database_url
25
26    configured_url = config.get_main_option("sqlalchemy.url")
27    if configured_url:
28        return configured_url
29    return Settings().database_url
30
31
32def run_migrations_offline() -> None:
33    context.configure(
34        url=get_database_url(),
35        target_metadata=target_metadata,
36        literal_binds=True,
37        dialect_opts={"paramstyle": "named"},
38    )
39
40    with context.begin_transaction():
41        context.run_migrations()
42
43
44def run_migrations_online() -> None:
45    section = config.get_section(config.config_ini_section) or {}
46    section["sqlalchemy.url"] = get_database_url()
47    connectable = engine_from_config(
48        section,
49        prefix="sqlalchemy.",
50        poolclass=pool.NullPool,
51    )
52
53    with connectable.connect() as connection:
54        context.configure(connection=connection, target_metadata=target_metadata)
55
56        with context.begin_transaction():
57            context.run_migrations()
58
59
60if context.is_offline_mode():
61    run_migrations_offline()
62else:
63    run_migrations_online()