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51 lines
1.5 KiB
Python
51 lines
1.5 KiB
Python
import logging
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log = logging.getLogger(__name__)
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def load_manifest(path):
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data = load_json(path)
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provider = __import__('providers.{module}'.format(module=data['provider']), fromlist=['providers'])
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manifest = provider.Manifest(path)
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manifest.validate(data)
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manifest.parse(data)
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manifest.load_plugins()
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return (provider, manifest)
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def load_json(path):
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import json
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from minify_json import json_minify
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with open(path) as stream:
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return json.loads(json_minify(stream.read(), False))
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class Manifest(object):
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def __init__(self, path):
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self.path = path
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def validate(self, data, schema_path=None):
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if schema_path is not None:
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from json_schema_validator.validator import Validator
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from json_schema_validator.schema import Schema
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from json_schema_validator.errors import ValidationError
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schema = Schema(load_json(schema_path))
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try:
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Validator.validate(schema, data)
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except ValidationError as e:
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from common.exceptions import ManifestError
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raise ManifestError(e.message, self)
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def parse(self, data):
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self.provider = data['provider']
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self.volume = data['volume']
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self.system = data['system']
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self.plugins = data['plugins']
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def load_plugins(self):
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self.loaded_plugins = []
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for modname in self.plugins.keys():
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if self.plugins[modname]['enabled']:
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plugin_name = 'plugins.{module}'.format(module=modname)
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plugin = __import__(plugin_name, fromlist=['plugins'])
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log.debug('Loaded plugin %s', plugin_name)
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self.loaded_plugins.append(plugin)
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