Thomas Hallock
4642b90366
Adopts the weather-display pattern: .env file parsed by tools/load_env.py and injected as -D compiler flags. WIFI_NETWORKS uses "SSID:password" format. ESP32 now sends a heartbeat POST after each display update so the server can track frame status for the HA integration. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
28 lines
959 B
Python
28 lines
959 B
Python
"""
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PlatformIO pre-build script: reads .env and injects values as -D build flags.
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Handles quoting so that comma-separated WIFI_NETWORKS works as a single string.
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"""
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Import("env")
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import os
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env_file = os.path.join(env.get("PROJECT_DIR", "."), ".env")
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if not os.path.exists(env_file):
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print("WARNING: .env file not found, skipping credential injection")
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else:
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with open(env_file) as f:
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for line in f:
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line = line.strip()
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if not line or line.startswith("#"):
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continue
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key, _, value = line.partition("=")
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key = key.strip()
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value = value.strip().strip('"').strip("'")
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if not key or not value:
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continue
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# Escape for C string literal
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escaped = value.replace("\\", "\\\\").replace('"', '\\"')
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env.Append(CPPDEFINES=[(key, env.StringifyMacro(escaped))])
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print(f" .env: {key} = {value[:20]}...")
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