feat(python/trezorctl): trezorctl device reboot-to-bootloader

python/.changelog.d/1738.added

@@ -0,0 +1 @@
+trezorctl: new command `device reboot-to-bootloader` reboots T1 to bootloader

python/docs/OPTIONS.rst

@@ -207,6 +207,7 @@ Device management commands - setup, recover seed, wipe, etc.
   Commands:
     backup                Perform device seed backup.
     load                  Upload seed and custom configuration to the device.
+    reboot-to-bootloader  Reboot device into bootloader mode.
     recover               Start safe recovery workflow.
     sd-protect            Secure the device with SD card protection.
     self-test             Perform a self-test.

python/src/trezorlib/cli/device.py

@@ -258,3 +258,20 @@ def sd_protect(client, operation):
     if client.features.model == "1":
         raise click.BadUsage("Trezor One does not support SD card protection.")
     return device.sd_protect(client, operation)
+
+
+@cli.command()
+@click.pass_obj
+def reboot_to_bootloader(obj):
+    """Reboot device into bootloader mode.
+
+    Currently only supported on Trezor Model One.
+    """
+    # avoid using @with_client because it closes the session afterwards,
+    # which triggers double prompt on device
+    with obj.client_context() as client:
+        if client.features.model != "1":
+            click.echo(
+                f"Warning: Rebooting into bootloader not supported on Trezor {client.features.model}"
+            )
+        return device.reboot_to_bootloader(client)

python/src/trezorlib/device.py

@@ -209,3 +209,9 @@ def backup(client):
 @expect(messages.Success, field="message")
 def cancel_authorization(client):
     return client.call(messages.CancelAuthorization())
+
+
+@session
+@expect(messages.Success, field="message")
+def reboot_to_bootloader(client):
+    return client.call(messages.RebootToBootloader())