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# coding=utf-8
import os
from flask import abort
import rethinkdb
class RethinkDB:
def __init__(self, loop_type: str = "gevent"):
self.host = os.environ.get("RETHINKDB_HOST", "127.0.0.1")
self.port = os.environ.get("RETHINKDB_PORT", "28016")
self.database = os.environ.get("RETHINKDB_DATABASE", "pythondiscord")
self.conn = None
rethinkdb.set_loop_type(loop_type)
with self.get_connection(connect_database=False) as conn:
try:
rethinkdb.db_create(self.database).run(conn)
print(f"Database created: {self.database}")
except rethinkdb.RqlRuntimeError:
print(f"Database found: {self.database}")
def get_connection(self, connect_database: bool = True):
if connect_database:
return rethinkdb.connect(host=self.host, port=self.port, db=self.database)
else:
return rethinkdb.connect(host=self.host, port=self.port)
def before_request(self):
try:
self.conn = self.get_connection()
except rethinkdb.RqlDriverError:
abort(503, "Database connection could not be established.")
def teardown_request(self, _):
try:
self.conn.close()
except AttributeError:
pass
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