from collections import ChainMap
from pyorg.util import TreeNamespace
[docs]class OrgConverterBase:
"""Abstract base class for objects which convert org mode AST to another format.
Attributes
----------
config : dict
"""
DEFAULT_CONFIG = {
'image_extensions': ('.png', '.jpg', '.gif', '.tiff'),
'date_format': '%Y-%m-%d %a',
}
def __init__(self, config=None, **kw):
"""
Parameters
----------
config : dict
Configuration dictionary to use.
kw
Keyword arguments to update configuration with.
"""
config = {} if config is None else dict(config)
if kw:
config = {**config, **kw}
self.config = ChainMap(config, self.DEFAULT_CONFIG)
[docs] def convert(self, node, **kwargs):
ctx = self._init_ctx(node, kwargs)
return self._convert(node, ctx)
def _init_ctx(self, root, kwargs):
"""Initialize context namespace."""
return TreeNamespace(root=root, kwargs=kwargs)
def _convert(self, node, ctx):
"""Recursively convert an org AST node."""
raise NotImplementedError()