README.md

@@ -233,3 +233,5 @@ my_pattern.ref(_make_my_subpattern(), offset=..., ...)
 * Tests tests tests
 * check renderpather
 * pather and renderpather examples
+* context manager for retool
+* allow a specific mismatch when connecting ports

examples/tutorial/pather.py

@@ -265,12 +265,6 @@ def main() -> None:
     # when using pather.retool().
     pather.path_to('VCC', None, -50_000, out_ptype='m1wire')
 
-    # Now extend GND out to x=-50_000, using M2 for a portion of the path.
-    # We can use `pather.toolctx()` to temporarily retool, instead of calling `retool()` twice.
-    with pather.toolctx(M2_tool, keys=['GND']):
-        pather.path_to('GND', None, -40_000)
-    pather.path_to('GND', None, -50_000)
-
     # Save the pather's pattern into our library
     library['Pather_and_BasicTool'] = pather.pattern
 

masque/builder/builder.py

@@ -2,7 +2,7 @@
 Simplified Pattern assembly (`Builder`)
 """
 from typing import Self
-from collections.abc import Iterable, Sequence, Mapping
+from collections.abc import Sequence, Mapping
 import copy
 import logging
 from functools import wraps
@@ -226,7 +226,6 @@ class Builder(PortList):
             inherit_name: bool = True,
             set_rotation: bool | None = None,
             append: bool = False,
-            ok_connections: Iterable[tuple[str, str]] = (),
             ) -> Self:
         """
         Wrapper around `Pattern.plug` which allows a string for `other`.
@@ -261,11 +260,6 @@ class Builder(PortList):
             append: If `True`, `other` is appended instead of being referenced.
                 Note that this does not flatten  `other`, so its refs will still
                 be refs (now inside `self`).
-            ok_connections: Set of "allowed" ptype combinations. Identical
-                ptypes are always allowed to connect, as is `'unk'` with
-                any other ptypte. Non-allowed ptype connections will emit a
-                warning. Order is ignored, i.e. `(a, b)` is equivalent to
-                `(b, a)`.
 
         Returns:
             self
@@ -299,7 +293,6 @@ class Builder(PortList):
             inherit_name=inherit_name,
             set_rotation=set_rotation,
             append=append,
-            ok_connections=ok_connections,
             )
         return self
 

masque/builder/pather.py

@@ -2,10 +2,9 @@
 Manual wire/waveguide routing (`Pather`)
 """
 from typing import Self
-from collections.abc import Sequence, MutableMapping, Mapping, Iterator
+from collections.abc import Sequence, MutableMapping, Mapping
 import copy
 import logging
-from contextlib import contextmanager
 from pprint import pformat
 
 import numpy
@@ -282,37 +281,6 @@ class Pather(Builder):
                 self.tools[key] = tool
         return self
 
-    @contextmanager
-    def toolctx(
-            self,
-            tool: Tool,
-            keys: str | Sequence[str | None] | None = None,
-            ) -> Iterator[Self]:
-        """
-          Context manager for temporarily `retool`-ing and reverting the `retool`
-        upon exiting the context.
-
-        Args:
-            tool: The new `Tool` to use for the given ports.
-            keys: Which ports the tool should apply to. `None` indicates the default tool,
-                used when there is no matching entry in `self.tools` for the port in question.
-
-        Returns:
-            self
-        """
-        if keys is None or isinstance(keys, str):
-            keys = [keys]
-        saved_tools = {kk: self.tools.get(kk, None) for kk in keys}      # If not in self.tools, save `None`
-        try:
-            yield self.retool(tool=tool, keys=keys)
-        finally:
-            for kk, tt in saved_tools.items():
-                if tt is None:
-                    # delete if present
-                    self.tools.pop(tt, None)
-                else:
-                    self.tools[kk] = tt
-
     def path(
             self,
             portspec: str,

masque/library.py

@@ -542,7 +542,7 @@ class ILibraryView(Mapping[str, 'Pattern'], metaclass=ABCMeta):
         Return:
             Topologically sorted list of pattern names.
         """
-        return cast(list[str], list(TopologicalSorter(self.child_graph()).static_order()))
+        return list(TopologicalSorter(self.child_graph()).static_order())
 
     def find_refs_local(
             self,

masque/pattern.py

@@ -1225,7 +1225,6 @@ class Pattern(PortList, AnnotatableImpl, Mirrorable):
             inherit_name: bool = True,
             set_rotation: bool | None = None,
             append: bool = False,
-            ok_connections: Iterable[tuple[str, str]] = (),
             ) -> Self:
         """
         Instantiate or append a pattern into the current pattern, connecting
@@ -1271,11 +1270,6 @@ class Pattern(PortList, AnnotatableImpl, Mirrorable):
             append: If `True`, `other` is appended instead of being referenced.
                 Note that this does not flatten  `other`, so its refs will still
                 be refs (now inside `self`).
-            ok_connections: Set of "allowed" ptype combinations. Identical
-                ptypes are always allowed to connect, as is `'unk'` with
-                any other ptypte. Non-allowed ptype connections will emit a
-                warning. Order is ignored, i.e. `(a, b)` is equivalent to
-                `(b, a)`.
 
         Returns:
             self
@@ -1306,7 +1300,6 @@ class Pattern(PortList, AnnotatableImpl, Mirrorable):
             map_in,
             mirrored=mirrored,
             set_rotation=set_rotation,
-            ok_connections=ok_connections,
             )
 
         # get rid of plugged ports

masque/ports.py

@@ -419,7 +419,6 @@ class PortList(metaclass=ABCMeta):
             *,
             mirrored: bool = False,
             set_rotation: bool | None = None,
-            ok_connections: Iterable[tuple[str, str]] = (),
             ) -> tuple[NDArray[numpy.float64], float, NDArray[numpy.float64]]:
         """
         Given a device `other` and a mapping `map_in` specifying port connections,
@@ -436,11 +435,6 @@ class PortList(metaclass=ABCMeta):
                 port with `rotation=None`), `set_rotation` must be provided
                 to indicate how much `other` should be rotated. Otherwise,
                 `set_rotation` must remain `None`.
-            ok_connections: Set of "allowed" ptype combinations. Identical
-                ptypes are always allowed to connect, as is `'unk'` with
-                any other ptypte. Non-allowed ptype connections will emit a
-                warning. Order is ignored, i.e. `(a, b)` is equivalent to
-                `(b, a)`.
 
         Returns:
             - The (x, y) translation (performed last)
@@ -457,7 +451,6 @@ class PortList(metaclass=ABCMeta):
             map_in=map_in,
             mirrored=mirrored,
             set_rotation=set_rotation,
-            ok_connections=ok_connections,
             )
 
     @staticmethod
@@ -468,14 +461,13 @@ class PortList(metaclass=ABCMeta):
             *,
             mirrored: bool = False,
             set_rotation: bool | None = None,
-            ok_connections: Iterable[tuple[str, str]] = (),
             ) -> tuple[NDArray[numpy.float64], float, NDArray[numpy.float64]]:
         """
         Given two sets of ports (s_ports and o_ports) and a mapping `map_in`
           specifying port connections, find the transform which will correctly
           align the specified o_ports onto their respective s_ports.
 
-        Args:
+        Args:t
             s_ports: A list of stationary ports
             o_ports: A list of ports which are to be moved/mirrored.
             map_in: dict of `{'s_port': 'o_port'}` mappings, specifying
@@ -487,11 +479,6 @@ class PortList(metaclass=ABCMeta):
                 port with `rotation=None`), `set_rotation` must be provided
                 to indicate how much `o_ports` should be rotated. Otherwise,
                 `set_rotation` must remain `None`.
-            ok_connections: Set of "allowed" ptype combinations. Identical
-                ptypes are always allowed to connect, as is `'unk'` with
-                any other ptypte. Non-allowed ptype connections will emit a
-                warning. Order is ignored, i.e. `(a, b)` is equivalent to
-                `(b, a)`.
 
         Returns:
             - The (x, y) translation (performed last)
@@ -515,8 +502,7 @@ class PortList(metaclass=ABCMeta):
             o_offsets[:, 1] *= -1
             o_rotations *= -1
 
-        ok_pairs = {tuple(sorted(pair)) for pair in ok_connections if pair[0] != pair[1]}
-        type_conflicts = numpy.array([(st != ot) and ('unk' not in (st, ot)) and (tuple(sorted((st, ot))) not in ok_pairs)
+        type_conflicts = numpy.array([st != ot and 'unk' not in (st, ot)
                                       for st, ot in zip(s_types, o_types, strict=True)])
         if type_conflicts.any():
             msg = 'Ports have conflicting types:\n'
@@ -537,8 +523,8 @@ class PortList(metaclass=ABCMeta):
         if not numpy.allclose(rotations[:1], rotations):
             rot_deg = numpy.rad2deg(rotations)
             msg = 'Port orientations do not match:\n'
-            for nn, (kk, vv) in enumerate(map_in.items()):
-                msg += f'{kk} | {rot_deg[nn]:g} | {vv}\n'
+            for nn, (k, v) in enumerate(map_in.items()):
+                msg += f'{k} | {rot_deg[nn]:g} | {v}\n'
             raise PortError(msg)
 
         pivot = o_offsets[0].copy()
@@ -546,8 +532,8 @@ class PortList(metaclass=ABCMeta):
         translations = s_offsets - o_offsets
         if not numpy.allclose(translations[:1], translations):
             msg = 'Port translations do not match:\n'
-            for nn, (kk, vv) in enumerate(map_in.items()):
-                msg += f'{kk} | {translations[nn]} | {vv}\n'
+            for nn, (k, v) in enumerate(map_in.items()):
+                msg += f'{k} | {translations[nn]} | {v}\n'
             raise PortError(msg)
 
         return translations[0], rotations[0], o_offsets[0]

masque/shapes/arc.py

@@ -233,7 +233,7 @@ class Arc(Shape):
         r0, r1 = self.radii
 
         # Convert from polar angle to ellipse parameter (for [rx*cos(t), ry*sin(t)] representation)
-        a_ranges = cast(tuple[tuple[float, float], tuple[float, float]], self._angles_to_parameters())
+        a_ranges = self._angles_to_parameters()
 
         # Approximate perimeter via numerical integration