Initial version

.gitignore

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+tasmota
+venv
+build

Makefile

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+TASMOTA_VERSION=v5.11.1
+
+default: build_sonoff build_sonoff-minimal
+
+ci: clean default
+
+build_%: download update_user-config venv
+	cd tasmota && ../venv/bin/platformio run -e $*
+	mkdir -p build
+	cp tasmota/.pioenvs/$*/firmware.bin build/$*.bin
+
+clean:
+	rm -rf tasmota build venv
+
+download:
+	git clone https://github.com/arendst/Sonoff-Tasmota.git tasmota
+	cd tasmota && git reset --hard $(TASMOTA_VERSION)
+
+update_user-config: venv
+	./venv/bin/python update.py
+	cd tasmota && git --no-pager diff -w sonoff/user_config.h
+
+venv:
+	virtualenv -p python2 venv
+	./venv/bin/pip install -r requirements.txt
+
+.PHONY: venv

config.yml

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+---
+
+STA_SSID1: '${WIFI_SSID}'
+STA_PASS1: '${WIFI_PASS}'
+
+OTA_URL: '${OTA_URL}'
+
+MQTT_HOST: '${MQTT_HOST}'
+MQTT_USER: '${MQTT_USER}'
+MQTT_PASS: '${MQTT_PASS}'
+MQTT_TOPIC: '"unconfigured"'
+
+USE_DOMOTICZ: '!undef'
+USE_EMULATION: '!undef'
+USE_DISCOVERY: '!undef'
+
+NTP_SERVER1: '"ptbtime1.ptb.de"'
+NTP_SERVER2: '"ptbtime2.ptb.de"'
+
+USE_IR_REMOTE: '!undef'
+USE_WS2812: '!undef'
+USE_ARILUX_RF: '!undef'
+
+...

requirements.txt

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+PyYAML
+platformio

update.py

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+#!/usr/bin/env python2
+# -*- coding: utf-8 -*-
+
+import os
+
+import yaml
+
+
+def fmt_line(prefix, param, content, comment):
+    return '{: <47}  // {}'.format('{}#define {: <22} {}'.format(prefix, param, content), comment)
+
+
+def get_line(param, content, comment):
+    if content == '!undef':
+        return fmt_line('//', param, '', comment)
+    if content == '!def':
+        return fmt_line('', param, '', comment)
+
+    if content[:2] == '${':
+        envvar = content.strip('${}')
+        if envvar in os.environ:
+            content = os.environ[envvar]
+
+    return fmt_line('', param, content, comment)
+
+
+def main():
+    cfg = yaml.load(open('config.yml'))
+    config = open('tasmota/sonoff/user_config.h').read().split('\n')
+
+    for (i, line) in enumerate(config):
+        for param, content in cfg.items():
+            if '#define {} '.format(param) in line:
+                comment = line.lstrip('/').split(' //', 1)[1].strip()
+                config[i] = get_line(param, content, comment)
+
+    with open('tasmota/sonoff/user_config.h', 'w') as fh:
+        fh.write('\n'.join(config))
+
+
+if __name__ == '__main__':
+    main()