aerich/aerich/cli.py

232 lines
7.7 KiB
Python

import json
import os
import sys
from configparser import ConfigParser
from enum import Enum
import asyncclick as click
from asyncclick import Context, UsageError
from tortoise import Tortoise, generate_schema_for_client
from tortoise.exceptions import OperationalError
from tortoise.transactions import in_transaction
from tortoise.utils import get_schema_sql
from aerich.migrate import Migrate
from aerich.utils import get_app_connection, get_app_connection_name, get_tortoise_config
from . import __version__
from .models import Aerich
class Color(str, Enum):
green = "green"
red = "red"
yellow = "yellow"
parser = ConfigParser()
@click.group(context_settings={"help_option_names": ["-h", "--help"]})
@click.version_option(__version__, "-V", "--version")
@click.option(
"-c", "--config", default="aerich.ini", show_default=True, help="Config file.",
)
@click.option("--app", required=False, help="Tortoise-ORM app name.")
@click.option(
"-n",
"--name",
default="aerich",
show_default=True,
help="Name of section in .ini file to use for aerich config.",
)
@click.pass_context
async def cli(ctx: Context, config, app, name):
ctx.ensure_object(dict)
ctx.obj["config_file"] = config
ctx.obj["name"] = name
invoked_subcommand = ctx.invoked_subcommand
if invoked_subcommand != "init":
if not os.path.exists(config):
raise UsageError("You must exec init first", ctx=ctx)
parser.read(config)
location = parser[name]["location"]
tortoise_orm = parser[name]["tortoise_orm"]
tortoise_config = get_tortoise_config(ctx, tortoise_orm)
app = app or list(tortoise_config.get("apps").keys())[0]
if "aerich.models" not in tortoise_config.get("apps").get(app).get("models"):
raise UsageError("Check your tortoise config and add aerich.models to it.", ctx=ctx)
ctx.obj["config"] = tortoise_config
ctx.obj["location"] = location
ctx.obj["app"] = app
if invoked_subcommand != "init-db":
await Migrate.init_with_old_models(tortoise_config, app, location)
@cli.command(help="Generate migrate changes file.")
@click.option("--name", default="update", show_default=True, help="Migrate name.")
@click.pass_context
async def migrate(ctx: Context, name):
config = ctx.obj["config"]
location = ctx.obj["location"]
app = ctx.obj["app"]
ret = await Migrate.migrate(name)
if not ret:
return click.secho("No changes detected", fg=Color.yellow)
Migrate.write_old_models(config, app, location)
click.secho(f"Success migrate {ret}", fg=Color.green)
@cli.command(help="Upgrade to latest version.")
@click.pass_context
async def upgrade(ctx: Context):
config = ctx.obj["config"]
app = ctx.obj["app"]
migrated = False
for version in Migrate.get_all_version_files():
try:
exists = await Aerich.exists(version=version, app=app)
except OperationalError:
exists = False
if not exists:
async with in_transaction(get_app_connection_name(config, app)) as conn:
file_path = os.path.join(Migrate.migrate_location, version)
with open(file_path, "r", encoding="utf-8") as f:
content = json.load(f)
upgrade_query_list = content.get("upgrade")
for upgrade_query in upgrade_query_list:
await conn.execute_query(upgrade_query)
await Aerich.create(version=version, app=app)
click.secho(f"Success upgrade {version}", fg=Color.green)
migrated = True
if not migrated:
click.secho("No migrate items", fg=Color.yellow)
@cli.command(help="Downgrade to previous version.")
@click.pass_context
async def downgrade(ctx: Context):
app = ctx.obj["app"]
config = ctx.obj["config"]
last_version = await Migrate.get_last_version()
if not last_version:
return click.secho("No last version found", fg=Color.yellow)
file = last_version.version
async with in_transaction(get_app_connection_name(config, app)) as conn:
file_path = os.path.join(Migrate.migrate_location, file)
with open(file_path, "r", encoding="utf-8") as f:
content = json.load(f)
downgrade_query_list = content.get("downgrade")
if not downgrade_query_list:
return click.secho("No downgrade item found", fg=Color.yellow)
for downgrade_query in downgrade_query_list:
await conn.execute_query(downgrade_query)
await last_version.delete()
return click.secho(f"Success downgrade {file}", fg=Color.green)
@cli.command(help="Show current available heads in migrate location.")
@click.pass_context
async def heads(ctx: Context):
app = ctx.obj["app"]
versions = Migrate.get_all_version_files()
is_heads = False
for version in versions:
if not await Aerich.exists(version=version, app=app):
click.secho(version, fg=Color.green)
is_heads = True
if not is_heads:
click.secho("No available heads,try migrate", fg=Color.green)
@cli.command(help="List all migrate items.")
@click.pass_context
def history(ctx):
versions = Migrate.get_all_version_files()
for version in versions:
click.secho(version, fg=Color.green)
if not versions:
click.secho("No history,try migrate", fg=Color.green)
@cli.command(help="Init config file and generate root migrate location.")
@click.option(
"-t",
"--tortoise-orm",
required=True,
help="Tortoise-ORM config module dict variable, like settings.TORTOISE_ORM.",
)
@click.option(
"--location", default="./migrations", show_default=True, help="Migrate store location."
)
@click.pass_context
async def init(
ctx: Context, tortoise_orm, location,
):
config_file = ctx.obj["config_file"]
name = ctx.obj["name"]
if os.path.exists(config_file):
return click.secho("You have inited", fg=Color.yellow)
parser.add_section(name)
parser.set(name, "tortoise_orm", tortoise_orm)
parser.set(name, "location", location)
with open(config_file, "w", encoding="utf-8") as f:
parser.write(f)
if not os.path.isdir(location):
os.mkdir(location)
click.secho(f"Success create migrate location {location}", fg=Color.green)
click.secho(f"Success generate config file {config_file}", fg=Color.green)
@cli.command(help="Generate schema and generate app migrate location.")
@click.option(
"--safe",
type=bool,
default=True,
help="When set to true, creates the table only when it does not already exist.",
show_default=True,
)
@click.pass_context
async def init_db(ctx: Context, safe):
config = ctx.obj["config"]
location = ctx.obj["location"]
app = ctx.obj["app"]
dirname = os.path.join(location, app)
if not os.path.isdir(dirname):
os.mkdir(dirname)
click.secho(f"Success create app migrate location {dirname}", fg=Color.green)
else:
return click.secho(f"Inited {app} already", fg=Color.yellow)
Migrate.write_old_models(config, app, location)
await Tortoise.init(config=config)
connection = get_app_connection(config, app)
await generate_schema_for_client(connection, safe)
schema = get_schema_sql(connection, safe)
version = await Migrate.generate_version()
await Aerich.create(version=version, app=app)
with open(os.path.join(dirname, version), "w", encoding="utf-8") as f:
content = {
"upgrade": [schema],
}
json.dump(content, f, ensure_ascii=False, indent=2)
return click.secho(f'Success generate schema for app "{app}"', fg=Color.green)
def main():
sys.path.insert(0, ".")
cli(_anyio_backend="asyncio")