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    <p>Expanding on @Josh_Bode's answer, here's my own PyYAML solution, which has the advantage of being a self-contained subclass of <code>yaml.Loader</code>. It doesn't depend on any module-level globals, or on modifying the global state of the <code>yaml</code> module.</p> <pre class="lang-py prettyprint-override"><code>import yaml, os class IncludeLoader(yaml.Loader): """ yaml.Loader subclass handles "!include path/to/foo.yml" directives in config files. When constructed with a file object, the root path for includes defaults to the directory containing the file, otherwise to the current working directory. In either case, the root path can be overridden by the `root` keyword argument. When an included file F contain its own !include directive, the path is relative to F's location. Example: YAML file /home/frodo/one-ring.yml: --- Name: The One Ring Specials: - resize-to-wearer Effects: - !include path/to/invisibility.yml YAML file /home/frodo/path/to/invisibility.yml: --- Name: invisibility Message: Suddenly you disappear! Loading: data = IncludeLoader(open('/home/frodo/one-ring.yml', 'r')).get_data() Result: {'Effects': [{'Message': 'Suddenly you disappear!', 'Name': 'invisibility'}], 'Name': 'The One Ring', 'Specials': ['resize-to-wearer']} """ def __init__(self, *args, **kwargs): super(IncludeLoader, self).__init__(*args, **kwargs) self.add_constructor('!include', self._include) if 'root' in kwargs: self.root = kwargs['root'] elif isinstance(self.stream, file): self.root = os.path.dirname(self.stream.name) else: self.root = os.path.curdir def _include(self, loader, node): oldRoot = self.root filename = os.path.join(self.root, loader.construct_scalar(node)) self.root = os.path.dirname(filename) data = yaml.load(open(filename, 'r')) self.root = oldRoot return data </code></pre>
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    1. POHow can I include a YAML file inside another?
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    1. COFinally got around to adding the class-based approach to my answer, but you beat me to the punch :) Note: If you use `yaml.load(f, IncludeLoader)` within `_include` you can avoid having to replace the root. Also, unless you do this, the solution will not work more than one level deep as the included data uses the regular `yaml.Loader` class.
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