hww: show model name in device enum lists (e.g. "Trezor T")

electrum/base_wizard.py

@@ -336,7 +336,7 @@ class BaseWizard(Logger):
             label = info.label or _("An unnamed {}").format(name)
             try: transport_str = info.device.transport_ui_string[:20]
             except: transport_str = 'unknown transport'
-            descr = f"{label} [{name}, {state}, {transport_str}]"
+            descr = f"{label} [{info.model_name or name}, {state}, {transport_str}]"
             choices.append(((name, info), descr))
         msg = _('Select a device') + ':'
         self.choice_dialog(title=title, message=msg, choices=choices,

electrum/plugin.py

@@ -308,6 +308,7 @@ class DeviceInfo(NamedTuple):
     exception: Optional[Exception] = None
     plugin_name: Optional[str] = None  # manufacturer, e.g. "trezor"
     soft_device_id: Optional[str] = None  # if available, used to distinguish same-type hw devices
+    model_name: Optional[str] = None  # e.g. "Ledger Nano S"
 
 
 class HardwarePluginToScan(NamedTuple):
@@ -560,7 +561,8 @@ class DeviceMgr(ThreadJob):
                                     label=client.label(),
                                     initialized=client.is_initialized(),
                                     plugin_name=plugin.name,
-                                    soft_device_id=client.get_soft_device_id()))
+                                    soft_device_id=client.get_soft_device_id(),
+                                    model_name=client.device_model_name()))
 
         return infos
 
@@ -613,10 +615,11 @@ class DeviceMgr(ThreadJob):
             raise CannotAutoSelectDevice()
         # ask user to select device manually
         msg = _("Please select which {} device to use:").format(plugin.device)
-        descriptions = ["{label} ({init}, {transport})"
+        descriptions = ["{label} ({maybe_model}{init}, {transport})"
                         .format(label=info.label or _("An unnamed {}").format(info.plugin_name),
                                 init=(_("initialized") if info.initialized else _("wiped")),
-                                transport=info.device.transport_ui_string)
+                                transport=info.device.transport_ui_string,
+                                maybe_model=f"{info.model_name}, " if info.model_name else "")
                         for info in infos]
         c = handler.query_choice(msg, descriptions)
         if c is None:

electrum/plugins/hw_wallet/plugin.py

@@ -228,6 +228,12 @@ class HardwareClientBase:
         password = Xpub.get_pubkey_from_xpub(xpub, ()).hex()
         return password
 
+    def device_model_name(self) -> Optional[str]:
+        """Return the name of the model of this device, which might be displayed in the UI.
+        E.g. for Trezor, "Trezor One" or "Trezor T".
+        """
+        return None
+
 
 class HardwareHandlerBase:
     """An interface between the GUI and the device handling logic for handling I/O."""

electrum/plugins/ledger/ledger.py

@@ -2,7 +2,7 @@ from struct import pack, unpack
 import hashlib
 import sys
 import traceback
-from typing import Optional
+from typing import Optional, Tuple
 
 from electrum import ecc
 from electrum import bip32
@@ -62,10 +62,10 @@ def test_pin_unlocked(func):
 
 
 class Ledger_Client(HardwareClientBase):
-    def __init__(self, hidDevice, *, is_hw1: bool = False):
+    def __init__(self, hidDevice, *, product_key: Tuple[int, int]):
         self.dongleObject = btchip(hidDevice)
         self.preflightDone = False
-        self._is_hw1 = is_hw1
+        self._product_key = product_key
         self._soft_device_id = None
 
     def is_pairable(self):
@@ -92,7 +92,18 @@ class Ledger_Client(HardwareClientBase):
         return self._soft_device_id
 
     def is_hw1(self) -> bool:
-        return self._is_hw1
+        return self._product_key[0] == 0x2581
+
+    def device_model_name(self):
+        if self.is_hw1():
+            return "Ledger HW.1"
+        if self._product_key == (0x2c97, 0x0000):
+            return "Ledger Blue"
+        if self._product_key == (0x2c97, 0x0001):
+            return "Ledger Nano S"
+        if self._product_key == (0x2c97, 0x0004):
+            return "Ledger Nano X"
+        return None
 
     def has_usable_connection_with_device(self):
         try:
@@ -594,8 +605,7 @@ class LedgerPlugin(HW_PluginBase):
 
         client = self.get_btchip_device(device)
         if client is not None:
-            is_hw1 = device.product_key[0] == 0x2581
+            client = Ledger_Client(client, product_key=device.product_key)
-            client = Ledger_Client(client, is_hw1=is_hw1)
         return client
 
     def setup_device(self, device_info, wizard, purpose):

electrum/plugins/trezor/clientbase.py

@@ -196,6 +196,14 @@ class TrezorClientBase(HardwareClientBase, Logger):
         """Returns '1' for Trezor One, 'T' for Trezor T."""
         return self.features.model
 
+    def device_model_name(self):
+        model = self.get_trezor_model()
+        if model == '1':
+            return "Trezor One"
+        elif model == 'T':
+            return "Trezor T"
+        return None
+
     def show_address(self, address_str, script_type, multisig=None):
         coin_name = self.plugin.get_coin_name()
         address_n = parse_path(address_str)