Mirror circuit fidelity estimation support and introduction of benchmarking interface (name TBD)

pygsti/baseobjs/label.py

@@ -1893,7 +1893,7 @@ def to_native(self):
         """
         return tuple(self)
 
-    def replacename(self, oldname, newname):
+    def replace_name(self, oldname, newname):
         """
         Returns a label with `oldname` replaced by `newname`.
 

pygsti/baseobjs/qubitgraph.py

@@ -853,7 +853,7 @@ def shortest_path_predecessor_matrix(self):
         self._refresh_dists_and_predecessors()
         return self._predecessors.copy()
 
-    def subgraph(self, nodes_to_keep, reset_nodes=False):
+    def subgraph(self, nodes_to_keep, reset_nodes=False, include_directions=True):
         """
         Return a graph that includes only `nodes_to_keep` and the edges between them.
 
@@ -867,6 +867,10 @@ def subgraph(self, nodes_to_keep, reset_nodes=False):
             be the integers starting at 0 (in 1-1 correspondence
             with the ordering in `nodes_to_keep`).
 
+        include_directions : bool, optional
+            Whether the subgraph should retain the direction information
+            of the parent graph. Defaults to True.
+
         Returns
         -------
         QubitGraph
@@ -878,7 +882,7 @@ def subgraph(self, nodes_to_keep, reset_nodes=False):
             qubit_labels = nodes_to_keep
 
         edges = []
-        for edge in self.edges():
+        for edge in self.edges(include_directions=include_directions):
             if edge[0] in nodes_to_keep and edge[1] in nodes_to_keep:
                 if reset_nodes:
                     edges.append((labelmap[edge[0]], labelmap[edge[1]]))

pygsti/circuits/__init__.py

@@ -19,3 +19,5 @@
 from .cloudcircuitconstruction import *
 from .gstcircuits import *
 # Unused: from rpecircuits import *
+
+from .subcircuit_selection import *

pygsti/processors/__init__.py

@@ -10,5 +10,6 @@
 # http://www.apache.org/licenses/LICENSE-2.0 or in the LICENSE file in the root pyGSTi directory.
 #***************************************************************************************************
 
-from .processorspec import ProcessorSpec, QubitProcessorSpec, QuditProcessorSpec
-from .compilationrules import CompilationRules, CliffordCompilationRules, CompilationError
+from .processorspec import *
+from .compilationrules import *
+from .random_compilation import *