move install of smp to post build step

esphome/components/nrf52/__init__.py

@@ -1,4 +1,3 @@
-import os
 import esphome.codegen as cg
 import esphome.config_validation as cv
 from esphome.const import (
@@ -13,12 +12,8 @@ from esphome.const import (
     CONF_PLATFORM_VERSION,
 )
 from esphome.core import CORE, coroutine_with_priority
-from esphome.helpers import (
-    copy_file_if_changed,
-)
 
 from esphome.components.zephyr import (
-    zephyr_copy_files,
     zephyr_set_core_data,
     zephyr_to_code,
 )
@@ -153,27 +148,7 @@ async def to_code(config):
         cg.add_platformio_option("board_upload.require_upload_port", "true")
         cg.add_platformio_option("board_upload.wait_for_upload_port", "true")
     #
-    cg.add_platformio_option(
-        "extra_scripts", [f"pre:build_{CORE.data[KEY_CORE][KEY_TARGET_FRAMEWORK]}.py"]
-    )
     if CORE.using_zephyr:
         zephyr_to_code(conf)
     else:
         raise NotImplementedError
-
-
-# Called by writer.py
-def copy_files():
-    if CORE.using_zephyr:
-        zephyr_copy_files()
-
-    dir = os.path.dirname(__file__)
-    build_zephyr_file = os.path.join(
-        dir, f"build_{CORE.data[KEY_CORE][KEY_TARGET_FRAMEWORK]}.py.script"
-    )
-    copy_file_if_changed(
-        build_zephyr_file,
-        CORE.relative_build_path(
-            f"build_{CORE.data[KEY_CORE][KEY_TARGET_FRAMEWORK]}.py"
-        ),
-    )

esphome/components/zephyr/__init__.py

@@ -1,12 +1,15 @@
+import os
 from typing import Union
 import esphome.codegen as cg
 from esphome.core import CORE
 from esphome.helpers import (
     write_file_if_changed,
+    copy_file_if_changed,
 )
 from esphome.const import (
     CONF_VARIANT,
     CONF_BOARD,
+    KEY_NAME,
 )
 from .const import (
     ZEPHYR_VARIANT_GENERIC,
@@ -16,6 +19,8 @@ from .const import (
     KEY_OVERLAY,
     zephyr_ns,
     BOOTLOADER_MCUBOOT,
+    KEY_EXTRA_BUILD_FILES,
+    KEY_PATH,
 )
 
 
@@ -31,6 +36,7 @@ def zephyr_set_core_data(config):
     CORE.data[KEY_ZEPHYR][KEY_PRJ_CONF] = {}
     CORE.data[KEY_ZEPHYR][KEY_OVERLAY] = ""
     CORE.data[KEY_ZEPHYR][KEY_BOOTLOADER] = config[KEY_BOOTLOADER]
+    CORE.data[KEY_ZEPHYR][KEY_EXTRA_BUILD_FILES] = {}
     return config
 
 
@@ -58,6 +64,24 @@ def zephyr_add_overlay(content):
     CORE.data[KEY_ZEPHYR][KEY_OVERLAY] += content
 
 
+def add_extra_build_file(filename: str, path: str) -> bool:
+    """Add an extra build file to the project."""
+    if filename not in CORE.data[KEY_ZEPHYR][KEY_EXTRA_BUILD_FILES]:
+        CORE.data[KEY_ZEPHYR][KEY_EXTRA_BUILD_FILES][filename] = {
+            KEY_NAME: filename,
+            KEY_PATH: path,
+        }
+        return True
+    return False
+
+
+def add_extra_script(stage: str, filename: str, path: str):
+    """Add an extra script to the project."""
+    key = f"{stage}:{filename}"
+    if add_extra_build_file(filename, path):
+        cg.add_platformio_option("extra_scripts", [key])
+
+
 def zephyr_to_code(conf):
     cg.add(zephyr_ns.setup_preferences())
     cg.add_build_flag("-DUSE_ZEPHYR")
@@ -110,6 +134,17 @@ def zephyr_to_code(conf):
 
     zephyr_add_prj_conf("USB_CDC_ACM_LOG_LEVEL_WRN", True)
 
+    add_extra_script(
+        "pre",
+        "pre_build.py",
+        os.path.join(os.path.dirname(__file__), "pre_build.py.script"),
+    )
+    add_extra_script(
+        "post",
+        "post_build.py",
+        os.path.join(os.path.dirname(__file__), "post_build.py.script"),
+    )
+
 
 def _format_prj_conf_val(value: PrjConfValueType) -> str:
     if isinstance(value, bool):
@@ -121,7 +156,8 @@ def _format_prj_conf_val(value: PrjConfValueType) -> str:
     raise ValueError
 
 
-def zephyr_copy_files():
+# Called by writer.py
+def copy_files():
     want_opts = CORE.data[KEY_ZEPHYR][KEY_PRJ_CONF]
     contents = (
         "\n".join(
@@ -156,3 +192,9 @@ def zephyr_copy_files():
             CORE.relative_build_path(f"boards/{CORE.data[KEY_ZEPHYR][KEY_BOARD]}.json"),
             fake_board_manifest,
         )
+
+    for _, file in CORE.data[KEY_ZEPHYR][KEY_EXTRA_BUILD_FILES].items():
+        copy_file_if_changed(
+            file[KEY_PATH],
+            CORE.relative_build_path(file[KEY_NAME]),
+        )

esphome/components/zephyr/const.py

@@ -2,10 +2,14 @@ import esphome.codegen as cg
 
 ZEPHYR_VARIANT_GENERIC = "generic"
 ZEPHYR_VARIANT_NRF_SDK = "nrf-sdk"
+
 KEY_ZEPHYR = "zephyr"
 KEY_PRJ_CONF = "prj_conf"
 KEY_OVERLAY = "overlay"
 KEY_BOOTLOADER = "bootloader"
+KEY_EXTRA_BUILD_FILES = "extra_build_files"
+KEY_PATH = "path"
+
 BOOTLOADER_MCUBOOT = "mcuboot"
 
 zephyr_ns = cg.esphome_ns.namespace("zephyr")

esphome/components/zephyr/post_build.py.script

@@ -0,0 +1,10 @@
+Import("env")
+
+import sys
+
+try:
+    import smp
+    import smpclient
+except ImportError:
+    if sys.version_info >= (3, 10):
+        env.Execute("$PYTHONEXE -m pip install smp==1.0.0 git+https://github.com/tomaszduda23/smpclient/@d25c8035ae2858fd41a106058297b619d58fbcb5")

esphome/writer.py

@@ -310,8 +310,8 @@ def copy_src_tree():
                 CORE.relative_src_path("esphome.h"),
                 ESPHOME_H_FORMAT.format(include_s + '\n#include "pio_includes.h"'),
             )
-    elif CORE.is_nrf52:
+    elif CORE.using_zephyr:
-        from esphome.components.nrf52 import copy_files
+        from esphome.components.zephyr import copy_files
 
         copy_files()
 

esphome/zephyr_tools.py

@@ -8,7 +8,7 @@ from bleak import BleakScanner, BleakClient
 from bleak.exc import BleakDeviceNotFoundError, BleakDBusError
 from esphome.espota2 import ProgressBar
 
-if sys.version_info >= (3, 10):
+try:
     from smpclient.transport.ble import SMPBLETransport
     from smpclient.transport.serial import SMPSerialTransport
     from smpclient import SMPClient
@@ -17,6 +17,8 @@ if sys.version_info >= (3, 10):
     from smpclient.requests.os_management import ResetWrite
     from smpclient.generics import error, success
     from smp.exceptions import SMPBadStartDelimiter
+except ModuleNotFoundError:
+    pass
 
 
 SMP_SERVICE_UUID = "8D53DC1D-1DB7-4CD3-868B-8A527460AA84"
@@ -89,7 +91,7 @@ def get_image_tlv_sha256(file):
 
 async def smpmgr_upload(config, host, firmware):
     if sys.version_info < (3, 10):
-        _LOGGER.error("smpmgr requires at least python 3.10")
+        _LOGGER.error("BLE OTA requires at least python 3.10")
         return 1
     image_tlv_sha256 = get_image_tlv_sha256(firmware)
     if image_tlv_sha256 is None:

requirements.txt

@@ -29,11 +29,6 @@ pyparsing >= 3.0
 argcomplete>=2.0.0
 
 # for mcumgr
-smp==1.0.0
-smpclient @ git+https://github.com/tomaszduda23/smpclient/@d25c8035ae2858fd41a106058297b619d58fbcb5
 bleak==0.21.1
-pydantic==2.7.0
 cbor2==5.6.1
-crcmod==1.7
-# pretty print by logging?
 rich==13.7.0