jan/masque
1
1
Fork 0
Code Issues Pull requests Releases Wiki Activity

Add Tree/TreeView and allow Builder to ingest them

Browse source
This commit is contained in:
jan 2023-10-20 23:14:47 -07:00
commit 9a7a5583ed
4 changed files with 43 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

12
masque/library.py
View file

@ -14,7 +14,7 @@ Classes include:
- `AbstractView`: Provides a way to use []-indexing to generate abstracts for patterns in the linked
library. Generated with `ILibraryView.abstract_view()`.
"""
from typing import Callable, Self, Type, TYPE_CHECKING, cast
from typing import Callable, Self, Type, TYPE_CHECKING, cast, TypeAlias, Protocol, Literal
from typing import Iterator, Mapping, MutableMapping, Sequence
import logging
import base64
@ -44,6 +44,14 @@ logger = logging.getLogger(__name__)
visitor_function_t = Callable[..., 'Pattern']
TreeView: TypeAlias = Mapping[str, 'Pattern']
""" A name-to-`Pattern` mapping which is expected to have only one top-level cell """
Tree: TypeAlias = MutableMapping[str, 'Pattern']
""" A mutable name-to-`Pattern` mapping which is expected to have only one top-level cell """
SINGLE_USE_PREFIX = '_'
"""
Names starting with this prefix are assumed to refer to single-use patterns,
@ -674,7 +682,7 @@ class ILibrary(ILibraryView, MutableMapping[str, 'Pattern'], metaclass=ABCMeta):
return rename_map
def __lshift__(self, other: Mapping[str, 'Pattern']) -> str:
def __lshift__(self, other: TreeView) -> str:
if len(other) == 1:
name = next(iter(other))
else: