Add options.terminology to override certain terms

These terms can optionally be replaced by user defined terms:
  pin, wire, shield

Resolves #331 basic feature

src/wireviz/DataClasses.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 
-from dataclasses import InitVar, dataclass, field
+from dataclasses import InitVar, asdict, dataclass, field, replace
 from enum import Enum, auto
 from pathlib import Path
 from typing import Dict, List, Optional, Tuple, Union
@@ -47,6 +47,19 @@ class Metadata(dict):
     pass
 
 
+@dataclass
+class Terminology:
+    """Terms that the user might want to override"""
+
+    pin: Optional[PlainText] = None
+    wire: Optional[PlainText] = None
+    shield: Optional[PlainText] = None
+
+    def fully_populated(self):
+        """Return a copy where empty field values are replaced with their names"""
+        return replace(self, **{k: v or k for k, v in asdict(self).items()})
+
+
 @dataclass
 class Options:
     fontname: PlainText = "arial"
@@ -58,6 +71,7 @@ class Options:
     color_mode: ColorMode = "SHORT"
     mini_bom_mode: bool = True
     template_separator: str = "."
+    terminology: Optional[Terminology] = None
 
     def __post_init__(self):
         if not self.bgcolor_node:
@@ -68,6 +82,7 @@ class Options:
             self.bgcolor_cable = self.bgcolor_node
         if not self.bgcolor_bundle:
             self.bgcolor_bundle = self.bgcolor_cable
+        self.terminology = Terminology(**(self.terminology or {}))
 
 
 @dataclass

src/wireviz/Harness.py

@@ -77,6 +77,7 @@ class Harness:
         self.mates = []
         self._bom = []  # Internal Cache for generated bom
         self.additional_bom_items = []
+        self.terminology = self.options.terminology.fully_populated()
 
     def add_connector(self, name: str, *args, **kwargs) -> None:
         check_old(f"Connector '{name}'", OLD_CONNECTOR_ATTR, kwargs)
@@ -200,7 +201,7 @@ class Harness:
                      html_line_breaks(pn_info_string(HEADER_SPN, connector.supplier, connector.spn))],
                     [html_line_breaks(connector.type),
                      html_line_breaks(connector.subtype),
-                     f'{connector.pincount}-pin' if connector.show_pincount else None,
+                     f'{connector.pincount}-{self.terminology.pin}' if connector.show_pincount else None,
                      translate_color(connector.color, self.options.color_mode) if connector.color else None,
                      html_colorbar(connector.color)],
                     '<!-- connector table -->' if connector.style != 'simple' else None,
@@ -419,7 +420,7 @@ class Harness:
                 wirehtml.append("   <tr><td>&nbsp;</td></tr>")  # spacer
                 wirehtml.append("   <tr>")
                 wirehtml.append("    <td><!-- s_in --></td>")
-                wirehtml.append("    <td>Shield</td>")
+                wirehtml.append(f"    <td>{self.terminology.shield.title()}</td>")
                 wirehtml.append("    <td><!-- s_out --></td>")
                 wirehtml.append("   </tr>")
                 if isinstance(cable.shield, str):

src/wireviz/wv_bom.py

@@ -107,7 +107,11 @@ def generate_bom(harness: "Harness") -> List[BOMEntry]:
                 "Connector"
                 + (f", {connector.type}" if connector.type else "")
                 + (f", {connector.subtype}" if connector.subtype else "")
-                + (f", {connector.pincount} pins" if connector.show_pincount else "")
+                + (
+                    f", {connector.pincount} {harness.terminology.pin}s"
+                    if connector.show_pincount
+                    else ""
+                )
                 + (
                     f", {translate_color(connector.color, harness.options.color_mode)}"
                     if connector.color
@@ -140,7 +144,7 @@ def generate_bom(harness: "Harness") -> List[BOMEntry]:
                         if cable.gauge
                         else " wires"
                     )
-                    + (" shielded" if cable.shield else "")
+                    + (f" {harness.terminology.shield}ed" if cable.shield else "")
                     + (
                         f", {translate_color(cable.color, harness.options.color_mode)}"
                         if cable.color
@@ -160,7 +164,7 @@ def generate_bom(harness: "Harness") -> List[BOMEntry]:
                 # add each wire from the bundle to the bom
                 for index, color in enumerate(cable.colors):
                     description = (
-                        "Wire"
+                        harness.terminology.wire.title()
                         + (f", {cable.type}" if cable.type else "")
                         + (f", {cable.gauge} {cable.gauge_unit}" if cable.gauge else "")
                         + (