mirror of https://github.com/arendst/Tasmota.git
71 lines
2.5 KiB
Python
71 lines
2.5 KiB
Python
Import("env")
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import os
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import shutil
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import tasmotapiolib
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import gzip
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from colorama import Fore, Back, Style
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def map_gzip(source, target, env):
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# create string with location and file names based on variant
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map_file = tasmotapiolib.get_final_map_path(env)
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if map_file.is_file():
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gzip_file = map_file.with_suffix(".map.gz")
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# check if new target map files exist and remove if necessary
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if gzip_file.is_file():
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gzip_file.unlink()
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# write gzip map file
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with map_file.open("rb") as fp:
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with gzip.open(gzip_file, "wb", compresslevel=9) as f:
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shutil.copyfileobj(fp, f)
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# remove map file
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if map_file.is_file():
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map_file.unlink()
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if not tasmotapiolib.is_env_set(tasmotapiolib.DISABLE_MAP_GZ, env):
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env.AddPostAction("$BUILD_DIR/${PROGNAME}.bin", [map_gzip])
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if tasmotapiolib.is_env_set(tasmotapiolib.ENABLE_ESP32_GZ, env) or env["PIOPLATFORM"] != "espressif32":
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try:
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from zopfli.gzip import compress
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except:
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from gzip import compress
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def bin_gzip(source, target, env):
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# create string with location and file names based on variant
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bin_file = tasmotapiolib.get_final_bin_path(env)
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gzip_file = bin_file.with_suffix(".bin.gz")
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# check if new target files exist and remove if necessary
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if os.path.isfile(gzip_file):
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os.remove(gzip_file)
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# write gzip firmware file
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with open(bin_file, "rb") as fp:
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with open(gzip_file, "wb") as f:
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zopfli_gz = compress(fp.read())
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f.write(zopfli_gz)
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ORG_FIRMWARE_SIZE = bin_file.stat().st_size
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GZ_FIRMWARE_SIZE = gzip_file.stat().st_size
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if ORG_FIRMWARE_SIZE > 995326 and env["PIOPLATFORM"] != "espressif32":
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print(Fore.RED + "!!! Tasmota firmware size is too big with {} bytes. Max size is 995326 bytes !!! ".format(
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ORG_FIRMWARE_SIZE
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)
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)
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else:
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print(Fore.GREEN + "Compression reduced firmware size to {:.0f}% (was {} bytes, now {} bytes)".format(
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(GZ_FIRMWARE_SIZE / ORG_FIRMWARE_SIZE) * 100,
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ORG_FIRMWARE_SIZE,
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GZ_FIRMWARE_SIZE,
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)
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)
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if not tasmotapiolib.is_env_set(tasmotapiolib.DISABLE_BIN_GZ, env):
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env.AddPostAction("$BUILD_DIR/${PROGNAME}.bin", [bin_gzip])
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