cic-internal-integration/apps/cic-cache/cic_cache/runnable/daemons/server.py

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# standard imports
import os
import logging
import argparse
import base64
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# external imports
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import confini
# local imports
from cic_cache.db import dsn_from_config
from cic_cache.db.models.base import SessionBase
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from cic_cache.runnable.daemons.query import (
process_transactions_account_bloom,
process_transactions_all_bloom,
process_transactions_all_data,
)
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logging.basicConfig(level=logging.WARNING)
logg = logging.getLogger()
rootdir = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
dbdir = os.path.join(rootdir, 'cic_cache', 'db')
migrationsdir = os.path.join(dbdir, 'migrations')
config_dir = os.path.join('/usr/local/etc/cic-cache')
argparser = argparse.ArgumentParser()
argparser.add_argument('-c', type=str, default=config_dir, help='config file')
argparser.add_argument('--env-prefix', default=os.environ.get('CONFINI_ENV_PREFIX'), dest='env_prefix', type=str, help='environment prefix for variables to overwrite configuration')
argparser.add_argument('-v', action='store_true', help='be verbose')
argparser.add_argument('-vv', action='store_true', help='be more verbose')
args = argparser.parse_args()
if args.vv:
logging.getLogger().setLevel(logging.DEBUG)
elif args.v:
logging.getLogger().setLevel(logging.INFO)
config = confini.Config(args.c, args.env_prefix)
config.process()
config.censor('PASSWORD', 'DATABASE')
config.censor('PASSWORD', 'SSL')
logg.debug('config:\n{}'.format(config))
dsn = dsn_from_config(config)
SessionBase.connect(dsn, config.true('DATABASE_DEBUG'))
# uwsgi application
def application(env, start_response):
headers = []
content = b''
session = SessionBase.create_session()
for handler in [
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process_transactions_all_data,
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process_transactions_all_bloom,
process_transactions_account_bloom,
]:
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r = None
try:
r = handler(session, env)
except ValueError as e:
start_response('400 {}'.format(str(e)))
return []
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if r != None:
(mime_type, content) = r
break
session.close()
headers.append(('Content-Length', str(len(content))),)
headers.append(('Access-Control-Allow-Origin', '*',));
if len(content) == 0:
headers.append(('Content-Type', 'text/plain, charset=UTF-8',))
start_response('404 Looked everywhere, sorry', headers)
else:
headers.append(('Content-Type', mime_type,))
start_response('200 OK', headers)
return [content]