From 2302d294334463b264a16770d596278feb8afca7 Mon Sep 17 00:00:00 2001
From: Jan Petykiewicz <jan@mpxd.net>
Date: Mon, 23 Jan 2023 22:34:58 -0800
Subject: [PATCH] library can generate abstracts

---
 masque/library.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/masque/library.py b/masque/library.py
index 6e846fa..cb44baf 100644
--- a/masque/library.py
+++ b/masque/library.py
@@ -22,6 +22,7 @@ from .label import Label
 
 if TYPE_CHECKING:
     from .pattern import Pattern
+    from .builder import Abstract
 
 
 logger = logging.getLogger(__name__)
@@ -41,6 +42,9 @@ class Library(Mapping[str, Pattern], metaclass=ABCMeta):
 
     #__contains__, keys, items, values, get, __eq__, __ne__ supplied by Mapping
 
+    def abstract(self, name: str) -> 'Abstract':
+        return Abstract(name=name, ports=self[name].ports)
+
     def __repr__(self) -> str:
         return '<Library with keys ' + repr(list(self.keys())) + '>'