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https://github.com/prise6/smart-iss-posts
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33 lines
853 B
Python
33 lines
853 B
Python
# -*- coding: utf-8 -*-
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import os
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import sys
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import yaml
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import re
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class Config:
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def __init__(self, project_dir, mode):
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self.project_dir = project_dir
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self.mode = mode
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self.path_matcher = re.compile(r'\$\{([^}^{]+)\}')
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yaml.add_implicit_resolver('!path', self.path_matcher, None, yaml.SafeLoader)
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yaml.add_constructor('!path', self.path_constructor, yaml.SafeLoader)
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with open(os.path.join(self.project_dir, 'config', 'config_%s.yaml' % (self.mode)), 'r') as ymlfile:
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self.config = yaml.safe_load(ymlfile)
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def get(self, key):
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return self.config[key]
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def path_constructor(self, loader, node):
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''' Extract the matched value, expand env variable, and replace the match '''
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value = node.value
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match = self.path_matcher.match(value)
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env_var = match.group()[2:-1]
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return os.environ.get(env_var) + value[match.end():]
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