More typing fixes and less sets

Related to #249

b_asic/architecture.py

@@ -3,7 +3,18 @@ B-ASIC architecture classes.
 """
 from collections import defaultdict
 from io import TextIOWrapper
-from typing import Dict, Iterable, Iterator, List, Optional, Set, Tuple, Union, cast
+from typing import (
+    DefaultDict,
+    Dict,
+    Iterable,
+    Iterator,
+    List,
+    Optional,
+    Set,
+    Tuple,
+    Union,
+    cast,
+)
 
 import matplotlib.pyplot as plt
 from graphviz import Digraph
@@ -30,7 +41,7 @@ class HardwareBlock:
     """
 
     def __init__(self, entity_name: Optional[str] = None):
-        self._entity_name = None
+        self._entity_name: Optional[str] = None
         if entity_name is not None:
             self.set_entity_name(entity_name)
 
@@ -56,7 +67,7 @@ class HardwareBlock:
         path : str
             Directory to write code in.
         """
-        if not self.entity_name:
+        if not self._entity_name:
             raise ValueError("Entity name must be set")
         raise NotImplementedError
 
@@ -201,6 +212,10 @@ class Resource(HardwareBlock):
         self.plot_content(ax)
         return fig
 
+    @property
+    def collection(self) -> ProcessCollection:
+        return self._collection
+
 
 class ProcessingElement(Resource):
     """
@@ -233,10 +248,8 @@ class ProcessingElement(Resource):
         op_type = type(ops[0])
         if not all(isinstance(op, op_type) for op in ops):
             raise TypeError("Different Operation types in ProcessCollection")
-        self._collection = process_collection
         self._operation_type = op_type
         self._type_name = op_type.type_name()
-        self._entity_name = entity_name
         self._input_count = ops[0].input_count
         self._output_count = ops[0].output_count
         self._assignment = list(
@@ -246,8 +259,8 @@ class ProcessingElement(Resource):
             raise ValueError("Cannot map ProcessCollection to single ProcessingElement")
 
     @property
-    def processes(self) -> Set[OperatorProcess]:
-        return {cast(OperatorProcess, p) for p in self._collection}
+    def processes(self) -> List[OperatorProcess]:
+        return [cast(OperatorProcess, p) for p in self._collection]
 
 
 class Memory(Resource):
@@ -350,11 +363,11 @@ of :class:`~b_asic.architecture.ProcessingElement`
     ):
         super().__init__(entity_name)
         self._processing_elements = (
-            set(processing_elements)
+            [processing_elements]
             if isinstance(processing_elements, ProcessingElement)
-            else processing_elements
+            else list(processing_elements)
         )
-        self._memories = set(memories) if isinstance(memories, Memory) else memories
+        self._memories = [memories] if isinstance(memories, Memory) else list(memories)
         self._direct_interconnects = direct_interconnects
         self._variable_inport_to_resource: Dict[InputPort, Tuple[Resource, int]] = {}
         self._variable_outport_to_resource: Dict[OutputPort, Tuple[Resource, int]] = {}
@@ -457,9 +470,9 @@ of :class:`~b_asic.architecture.ProcessingElement`
             A dictionary with the ProcessingElements that are connected to the write and
             read ports, respectively, with counts of the number of accesses.
         """
-        d_in = defaultdict(_interconnect_dict)
-        d_out = defaultdict(_interconnect_dict)
-        for var in mem._collection:
+        d_in: DefaultDict[Resource, int] = defaultdict(_interconnect_dict)
+        d_out: DefaultDict[Resource, int] = defaultdict(_interconnect_dict)
+        for var in mem.collection:
             var = cast(MemoryVariable, var)
             d_in[self._operation_outport_to_resource[var.write_port]] += 1
             for read_port in var.read_ports:
@@ -490,19 +503,22 @@ of :class:`~b_asic.architecture.ProcessingElement`
             frequency of accesses.
 
         """
-        ops = cast(List[OperatorProcess], list(pe._collection))
-        d_in = [defaultdict(_interconnect_dict) for _ in ops[0].operation.inputs]
-        d_out = [defaultdict(_interconnect_dict) for _ in ops[0].operation.outputs]
-        for var in pe._collection:
+        d_in: List[DefaultDict[Tuple[Resource, int], int]] = [
+            defaultdict(_interconnect_dict) for _ in range(pe.input_count)
+        ]
+        d_out: List[DefaultDict[Tuple[Resource, int], int]] = [
+            defaultdict(_interconnect_dict) for _ in range(pe.output_count)
+        ]
+        for var in pe.collection:
             var = cast(OperatorProcess, var)
-            for i, input in enumerate(var.operation.inputs):
-                d_in[i][self._variable_inport_to_resource[input]] += 1
+            for i, input_ in enumerate(var.operation.inputs):
+                d_in[i][self._variable_inport_to_resource[input_]] += 1
             for i, output in enumerate(var.operation.outputs):
                 d_out[i][self._variable_outport_to_resource[output]] += 1
         return [dict(d) for d in d_in], [dict(d) for d in d_out]
 
     def _digraph(self) -> Digraph:
-        edges = set()
+        edges: Set[Tuple[str, str, str]] = set()
         dg = Digraph(node_attr={'shape': 'record'})
         # dg.attr(rankdir="LR")
         for i, mem in enumerate(self._memories):
@@ -529,16 +545,16 @@ of :class:`~b_asic.architecture.ProcessingElement`
                             f"{cnt}",
                         )
                     )
-        for src, dest, cnt in edges:
-            dg.edge(src, dest, label=cnt)
+        for src_str, dest_str, cnt_str in edges:
+            dg.edge(src_str, dest_str, label=cnt_str)
         return dg
 
     @property
-    def memories(self) -> Iterable[Memory]:
+    def memories(self) -> List[Memory]:
         return self._memories
 
     @property
-    def processing_elements(self) -> Iterable[ProcessingElement]:
+    def processing_elements(self) -> List[ProcessingElement]:
         return self._processing_elements
 
     @property