diff options
Diffstat (limited to 'python/vyos/xml_ref')
| -rw-r--r-- | python/vyos/xml_ref/__init__.py | 28 | ||||
| -rw-r--r-- | python/vyos/xml_ref/definition.py | 99 |
2 files changed, 66 insertions, 61 deletions
diff --git a/python/vyos/xml_ref/__init__.py b/python/vyos/xml_ref/__init__.py index ad2130dca..bf434865d 100644 --- a/python/vyos/xml_ref/__init__.py +++ b/python/vyos/xml_ref/__init__.py @@ -13,8 +13,12 @@ # You should have received a copy of the GNU Lesser General Public License # along with this library. If not, see <http://www.gnu.org/licenses/>. +from typing import Optional, Union, TYPE_CHECKING from vyos.xml_ref import definition +if TYPE_CHECKING: + from vyos.config import ConfigDict + def load_reference(cache=[]): if cache: return cache[0] @@ -23,11 +27,15 @@ def load_reference(cache=[]): try: from vyos.xml_ref.cache import reference - xml.define(reference) - cache.append(xml) except Exception: raise ImportError('no xml reference cache !!') + if not reference: + raise ValueError('empty xml reference cache !!') + + xml.define(reference) + cache.append(xml) + return xml def is_tag(path: list) -> bool: @@ -48,12 +56,12 @@ def is_leaf(path: list) -> bool: def cli_defined(path: list, node: str, non_local=False) -> bool: return load_reference().cli_defined(path, node, non_local=non_local) -def from_source(d: dict, path: list) -> bool: - return load_reference().from_source(d, path) - def component_version() -> dict: return load_reference().component_version() +def default_value(path: list) -> Optional[Union[str, list]]: + return load_reference().default_value(path) + def multi_to_list(rpath: list, conf: dict) -> dict: return load_reference().multi_to_list(rpath, conf) @@ -68,8 +76,8 @@ def relative_defaults(rpath: list, conf: dict, get_first_key=False, get_first_key=get_first_key, recursive=recursive) -def merge_defaults(path: list, conf: dict, get_first_key=False, - recursive=False) -> dict: - return load_reference().merge_defaults(path, conf, - get_first_key=get_first_key, - recursive=recursive) +def from_source(d: dict, path: list) -> bool: + return definition.from_source(d, path) + +def ext_dict_merge(source: dict, destination: Union[dict, 'ConfigDict']): + return definition.ext_dict_merge(source, destination) diff --git a/python/vyos/xml_ref/definition.py b/python/vyos/xml_ref/definition.py index d95d580e2..38e07f0a7 100644 --- a/python/vyos/xml_ref/definition.py +++ b/python/vyos/xml_ref/definition.py @@ -20,6 +20,45 @@ from typing import Optional, Union, Any, TYPE_CHECKING if TYPE_CHECKING: from vyos.config import ConfigDict +def set_source_recursive(o: Union[dict, str, list], b: bool): + d = {} + if not isinstance(o, dict): + d = {'_source': b} + else: + for k, v in o.items(): + d[k] = set_source_recursive(v, b) + d |= {'_source': b} + return d + +def source_dict_merge(src: dict, dest: dict): + from copy import deepcopy + dst = deepcopy(dest) + from_src = {} + + for key, value in src.items(): + if key not in dst: + dst[key] = value + from_src[key] = set_source_recursive(value, True) + elif isinstance(src[key], dict): + dst[key], f = source_dict_merge(src[key], dst[key]) + f |= {'_source': False} + from_src[key] = f + + return dst, from_src + +def ext_dict_merge(src: dict, dest: Union[dict, 'ConfigDict']): + d, f = source_dict_merge(src, dest) + if hasattr(d, '_from_defaults'): + setattr(d, '_from_defaults', f) + return d + +def from_source(d: dict, path: list) -> bool: + for key in path: + d = d[key] if key in d else {} + if not d or not isinstance(d, dict): + return False + return d.get('_source', False) + class Xml: def __init__(self): self.ref = {} @@ -153,6 +192,15 @@ class Xml: return default.split() return default + def default_value(self, path: list) -> Optional[Union[str, list]]: + d = self._get_ref_path(path) + default = self._get_default_value(d) + if default is None: + return None + if self._is_multi_node(d) or self._is_tag_node(d): + return default.split() + return default + def get_defaults(self, path: list, get_first_key=False, recursive=False) -> dict: """Return dict containing default values below path @@ -212,43 +260,6 @@ class Xml: return False return True - def _set_source_recursive(self, o: Union[dict, str, list], b: bool): - d = {} - if not isinstance(o, dict): - d = {'_source': b} - else: - for k, v in o.items(): - d[k] = self._set_source_recursive(v, b) - d |= {'_source': b} - return d - - # use local copy of function in module configdict, to avoid circular - # import - # - # extend dict_merge to keep track of keys only in source - def _dict_merge(self, source, destination): - from copy import deepcopy - dest = deepcopy(destination) - from_source = {} - - for key, value in source.items(): - if key not in dest: - dest[key] = value - from_source[key] = self._set_source_recursive(value, True) - elif isinstance(source[key], dict): - dest[key], f = self._dict_merge(source[key], dest[key]) - f |= {'_source': False} - from_source[key] = f - - return dest, from_source - - def from_source(self, d: dict, path: list) -> bool: - for key in path: - d = d[key] if key in d else {} - if not d or not isinstance(d, dict): - return False - return d.get('_source', False) - def _relative_defaults(self, rpath: list, conf: dict, recursive=False) -> dict: res: dict = {} res = self.get_defaults(rpath, recursive=recursive, @@ -289,17 +300,3 @@ class Xml: res = {} return res - - def merge_defaults(self, path: list, conf: Union[dict, 'ConfigDict'], - get_first_key=False, recursive=False) -> dict: - """Return config dict with defaults non-destructively merged - - This merges non-recursive defaults relative to the config dict. - """ - d = self.relative_defaults(path, conf, get_first_key=get_first_key, - recursive=recursive) - d, f = self._dict_merge(d, conf) - d = type(conf)(d) - if hasattr(d, '_from_defaults'): - setattr(d, '_from_defaults', f) - return d |