config.py 文件源码

def _process_section(self, section_value, callback=None, templar=None):
        if not templar:
            templar = self._templar
        processed = ordereddict()
        for key, value in section_value.items():
            if isinstance(value, string_types):
                # strings can be templated
                processed[key] = templar.template(value)
                if isinstance(processed[key], AnsibleUnsafeText):
                    processed[key] = str(processed[key])
            elif isinstance(value, (list, dict)):
                # if it's a dimensional structure, it's cheaper just to serialize
                # it, treat it like a template, and then deserialize it again
                buffer = BytesIO() # use bytes explicitly, not unicode
                yaml.round_trip_dump(value, buffer)
                processed[key] = yaml.round_trip_load(
                    templar.template(buffer.getvalue())
                )
            else:
                # ints, booleans, etc.
                processed[key] = value
            if callback:
                callback(processed)
        return processed