Rename backup and restore to just read and write.

Author: puddly

README.md

@@ -26,11 +26,11 @@ custom_zha_radios:
 ```
 
 # Backup and restore
-A complete radio NVRAM backup can be performed to migrate between different radios **based on the same chip**. Anything else is untested.
+A complete NVRAM backup can be performed to migrate between different radios **based on the same chip**. Anything else is untested.
 
 ```shell
-(venv) $ python -m zigpy_znp.tools.nvram_backup /dev/serial/by-id/old_radio -o backup.json
-(venv) $ python -m zigpy_znp.tools.nvram_restore /dev/serial/by-id/new_radio -i backup.json
+(venv) $ python -m zigpy_znp.tools.nvram_read /dev/serial/by-id/old_radio -o backup.json
+(venv) $ python -m zigpy_znp.tools.nvram_write /dev/serial/by-id/new_radio -i backup.json
 ```
 
 Tested migrations:

tests/test_tools_nvram.py

@@ -8,8 +8,8 @@
 
 from zigpy_znp.types.nvids import NwkNvIds, OsalExNvIds
 
-from zigpy_znp.tools.nvram_backup import main as nvram_backup
-from zigpy_znp.tools.nvram_restore import main as nvram_restore
+from zigpy_znp.tools.nvram_read import main as nvram_read
+from zigpy_znp.tools.nvram_write import main as nvram_write
 
 
 from test_api import pytest_mark_asyncio_timeout  # noqa: F401
@@ -135,7 +135,7 @@ def close(self):
 
 
 @pytest_mark_asyncio_timeout(seconds=5)
-async def test_nvram_backup(openable_serial_znp_server, tmp_path):
+async def test_nvram_read(openable_serial_znp_server, tmp_path):
     def osal_nv_read(req):
         nvid = NwkNvIds(req.Id).name
 
@@ -178,14 +178,14 @@ def nv_read(req):
     )
 
     backup_file = tmp_path / "backup.json"
-    await nvram_backup([openable_serial_znp_server._port_path, "-o", str(backup_file)])
+    await nvram_read([openable_serial_znp_server._port_path, "-o", str(backup_file)])
 
     # The backup JSON written to disk should be an exact copy of our fake NVRAM
     assert json.loads(backup_file.read_text()) == REAL_BACKUP
 
 
 @pytest_mark_asyncio_timeout(seconds=5)
-async def test_nvram_restore(openable_serial_znp_server, tmp_path):
+async def test_nvram_write(openable_serial_znp_server, tmp_path):
     simulated_nvram = {"osal": {}, "nwk": {}}
 
     def osal_nv_item_init(req):
@@ -264,7 +264,7 @@ def nv_write(req):
     backup_file = tmp_path / "backup.json"
     backup_file.write_text(json.dumps(backup_obj))
 
-    await nvram_restore([openable_serial_znp_server._port_path, "-i", str(backup_file)])
+    await nvram_write([openable_serial_znp_server._port_path, "-i", str(backup_file)])
 
     # Convert every value to its hex representation to match the backup format
     simulated_nvram_hex = {