builds/VyOS-proxy/lib/charms/layer/__init__.py

   1 import os
   2
   3
   4 class LayerOptions(dict):
   5     def __init__(self, layer_file, section=None):
   6         import yaml  # defer, might not be available until bootstrap
   7         with open(layer_file) as f:
   8             layer = yaml.safe_load(f.read())
   9         opts = layer.get('options', {})
  10         if section and section in opts:
  11             super(LayerOptions, self).__init__(opts.get(section))
  12         else:
  13             super(LayerOptions, self).__init__(opts)
  14
  15
  16 def options(section=None, layer_file=None):
  17     if not layer_file:
  18         base_dir = os.environ.get('CHARM_DIR', os.getcwd())
  19         layer_file = os.path.join(base_dir, 'layer.yaml')
  20
  21     return LayerOptions(layer_file, section)