mirror of
https://github.com/lnbits/lnbits-legend.git
synced 2024-11-19 09:54:21 +01:00
125 lines
4.1 KiB
Python
125 lines
4.1 KiB
Python
import asyncio
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import importlib
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import os
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import re
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import warnings
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import click
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from genericpath import exists
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from loguru import logger
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from lnbits.settings import Settings, settings
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from .core import db as core_db
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from .core import migrations as core_migrations
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from .db import COCKROACH, POSTGRES, SQLITE
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from .helpers import (
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get_css_vendored,
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get_js_vendored,
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get_valid_extensions,
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url_for_vendored,
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)
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path = settings.lnbits_path
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@click.command("migrate")
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def db_migrate():
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asyncio.create_task(migrate_databases())
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@click.command("assets")
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def handle_assets():
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transpile_scss()
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bundle_vendored()
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def transpile_scss():
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with warnings.catch_warnings():
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warnings.simplefilter("ignore")
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from scss.compiler import compile_string # type: ignore
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with open(os.path.join(path, "static/scss/base.scss")) as scss:
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with open(os.path.join(path, "static/css/base.css"), "w") as css:
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css.write(compile_string(scss.read()))
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def bundle_vendored():
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for getfiles, outputpath in [
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(get_js_vendored, os.path.join(path, "static/bundle.js")),
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(get_css_vendored, os.path.join(path, "static/bundle.css")),
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]:
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output = ""
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for path in getfiles():
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with open(path) as f:
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output += "/* " + url_for_vendored(path) + " */\n" + f.read() + ";\n"
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with open(outputpath, "w") as f:
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f.write(output)
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async def migrate_databases():
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"""Creates the necessary databases if they don't exist already; or migrates them."""
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async def set_migration_version(conn, db_name, version):
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await conn.execute(
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"""
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INSERT INTO dbversions (db, version) VALUES (?, ?)
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ON CONFLICT (db) DO UPDATE SET version = ?
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""",
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(db_name, version, version),
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)
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async def run_migration(db, migrations_module, db_name):
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for key, migrate in migrations_module.__dict__.items():
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match = match = matcher.match(key)
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if match:
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version = int(match.group(1))
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if version > current_versions.get(db_name, 0):
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logger.debug(f"running migration {db_name}.{version}")
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logger.debug(f"db = {db}")
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await migrate(db)
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if db.schema == None:
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await set_migration_version(db, db_name, version)
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else:
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async with core_db.connect() as conn:
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await set_migration_version(conn, db_name, version)
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async with core_db.connect() as conn:
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if conn.type == SQLITE:
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exists = await conn.fetchone(
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"SELECT * FROM sqlite_master WHERE type='table' AND name='dbversions'"
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)
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elif conn.type in {POSTGRES, COCKROACH}:
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exists = await conn.fetchone(
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"SELECT * FROM information_schema.tables WHERE table_name = 'dbversions'"
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)
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if not exists:
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await core_migrations.m000_create_migrations_table(conn)
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rows = await (await conn.execute("SELECT * FROM dbversions")).fetchall()
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current_versions = {row["db"]: row["version"] for row in rows}
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matcher = re.compile(r"^m(\d\d\d)_")
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db_name = core_migrations.__name__.split(".")[-2]
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await run_migration(conn, core_migrations, db_name)
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for ext in get_valid_extensions():
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try:
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module_str = (
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ext.migration_module or f"lnbits.extensions.{ext.code}.migrations"
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)
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ext_migrations = importlib.import_module(module_str)
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ext_db = importlib.import_module(f"lnbits.extensions.{ext.code}").db
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db_name = ext.db_name or module_str.split(".")[-2]
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except ImportError:
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raise ImportError(
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f"Please make sure that the extension `{ext.code}` has a migrations file."
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)
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async with ext_db.connect() as ext_conn:
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await run_migration(ext_conn, ext_migrations, db_name)
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logger.info("✔️ All migrations done.")
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