kopia lustrzana https://github.com/glidernet/ogn-python
140 wiersze
4.1 KiB
Python
140 wiersze
4.1 KiB
Python
from flask import current_app
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from flask.cli import AppGroup
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import click
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from datetime import datetime
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from sqlalchemy.sql import func
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from app.collect.database import update_device_infos, update_country_code
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from app.model import AircraftBeacon, DeviceInfoOrigin
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from app.utils import get_airports, get_days
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from app import db
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user_cli = AppGroup("database")
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user_cli.help = "Database creation and handling."
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ALEMBIC_CONFIG_FILE = "alembic.ini"
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def get_database_days(start, end):
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"""Returns the first and the last day in aircraft_beacons table."""
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if start is None and end is None:
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days_from_db = db.session.query(func.min(AircraftBeacon.timestamp).label("first_day"), func.max(AircraftBeacon.timestamp).label("last_day")).one()
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start = days_from_db[0].date()
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end = days_from_db[1].date()
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else:
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start = datetime.strptime(start, "%Y-%m-%d").date()
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end = datetime.strptime(end, "%Y-%m-%d").date()
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days = get_days(start, end)
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return days
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@user_cli.command("info")
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def info():
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print(current_app.config)
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print(current_app.config["SQLALCHEMY_DATABASE_URI"])
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@user_cli.command("init")
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def init():
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"""Initialize the database."""
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from alembic.config import Config
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from alembic import command
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db.session.execute("CREATE EXTENSION IF NOT EXISTS postgis;")
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db.session.execute("CREATE EXTENSION IF NOT EXISTS btree_gist;")
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db.session.commit()
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db.create_all()
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# alembic_cfg = Config(ALEMBIC_CONFIG_FILE)
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# command.stamp(alembic_cfg, "head")
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print("Done.")
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@user_cli.command("init_timescaledb")
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def init_timescaledb():
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"""Initialize TimescaleDB features."""
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db.session.execute("CREATE EXTENSION IF NOT EXISTS timescaledb;")
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db.session.execute("SELECT create_hypertable('aircraft_beacons', 'timestamp', chunk_target_size => '2GB', if_not_exists => TRUE);")
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db.session.execute("SELECT create_hypertable('receiver_beacons', 'timestamp', chunk_target_size => '2GB', if_not_exists => TRUE);")
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db.session.commit()
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@user_cli.command("upgrade")
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def upgrade():
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"""Upgrade database to the latest version."""
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from alembic.config import Config
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from alembic import command
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alembic_cfg = Config(ALEMBIC_CONFIG_FILE)
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command.upgrade(alembic_cfg, "head")
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@user_cli.command("drop")
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@click.option("--sure", default="n")
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def drop(sure):
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"""Drop all tables."""
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if sure == "y":
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db.drop_all()
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print("Dropped all tables.")
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else:
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print("Add argument '--sure y' to drop all tables.")
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@user_cli.command("import_ddb")
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def import_ddb():
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"""Import registered devices from the DDB."""
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print("Import registered devices fom the DDB...")
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counter = update_device_infos(db.session, DeviceInfoOrigin.OGN_DDB)
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print("Imported %i devices." % counter)
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@user_cli.command("import_file")
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@click.argument("path")
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def import_file(path="tests/custom_ddb.txt"):
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"""Import registered devices from a local file."""
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print("Import registered devices from '{}'...".format(path))
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counter = update_device_infos(db.session, DeviceInfoOrigin.USER_DEFINED, path=path)
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print("Imported %i devices." % counter)
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@user_cli.command("import_flarmnet")
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@click.argument("path")
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def import_flarmnet(path=None):
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"""Import registered devices from a local file."""
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print("Import registered devices from '{}'...".format("internet" if path is None else path))
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counter = update_device_infos(db.session, DeviceInfoOrigin.FLARMNET, path=path)
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print("Imported %i devices." % counter)
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@user_cli.command("import_airports")
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@click.argument("path")
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def import_airports(path="tests/SeeYou.cup"):
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"""Import airports from a ".cup" file"""
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print("Import airports from '{}'...".format(path))
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airports = get_airports(path)
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db.session.bulk_save_objects(airports)
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db.session.commit()
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db.session.execute("UPDATE airports SET border = ST_Expand(location, 0.05)")
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db.session.commit()
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print("Imported {} airports.".format(len(airports)))
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@user_cli.command("update_country_codes")
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def update_country_codes():
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"""Update country codes of all receivers."""
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update_country_code(session=db.session)
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