config.py
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	# Copyright (C) 2017 The Software Heritage developers
	# See the AUTHORS file at the top-level directory of this distribution
	# License: GNU General Public License version 3, or any later version
	# See top-level LICENSE file for more information

	from swh.core import config
	from swh.storage import get_storage

	DEFAULT_CONFIG = {
	'storage': ('dict', {
	'cls': 'remote',
	'args': {
	'url': 'http://127.0.0.1:5002/',
	},
	}),
	'log_dir': ('string', '/tmp/swh/log'),
	'debug': ('bool', False),
	'host': ('string', '127.0.0.1'), # development property
	'port': ('int', 5003), # development property
	'secret_key': ('string', 'development key'),
	'throttling': ('dict', {
	'cache_uri': None, # production: memcached as cache (127.0.0.1:11211)
	# development: in-memory cache so None
	'scopes': {
	'swh_api': {
	'limiter_rate': '120/h',
	'exempted_networks': ['127.0.0.0/8']
	}
	}
	})
	}

	swhweb_config = None


	def get_config(config_file='webapp/webapp'):
	"""Read the configuration file `config_file`, update the app with
	parameters (secret_key, conf) and return the parsed configuration as a
	dict. If no configuration file is provided, return a default
	configuration."""

	global swhweb_config
	if not swhweb_config:
	swhweb_config = config.load_named_config(config_file, DEFAULT_CONFIG)
	config.prepare_folders(swhweb_config, 'log_dir')
	swhweb_config['storage'] = get_storage(**swhweb_config['storage'])
	return swhweb_config


	def storage():
	"""Return the current application's SWH storage.

	"""
	return get_config()['storage']

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