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ues zopfli to gz firmware

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Jason2866 2022-11-12 17:12:15 +01:00 committed by GitHub
parent 4e5193fdad
commit e5219fb8be
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1 changed files with 11 additions and 4 deletions
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15
pio-tools/gzip-firmware.py
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@ -1,11 +1,17 @@
Import("env") Import("env")
import os import os
import shutil import shutil
import gzip
import pathlib import pathlib
import tasmotapiolib import tasmotapiolib
# Upgrade pip
env.Execute("$PYTHONEXE -m pip install --upgrade pip")
# Install zopfli gz compressor from the PyPi registry
env.Execute("$PYTHONEXE -m pip install zopfli")
# Import zoepfli compress
from zopfli.gzip import compress
import gzip
def map_gzip(source, target, env): def map_gzip(source, target, env):
# create string with location and file names based on variant # create string with location and file names based on variant
@ -45,8 +51,9 @@ if env["PIOPLATFORM"] != "espressif32":
# write gzip firmware file # write gzip firmware file
with open(bin_file, "rb") as fp: with open(bin_file, "rb") as fp:
with gzip.open(gzip_file, "wb", compresslevel=9) as f: with open(gzip_file, "wb") as f:
shutil.copyfileobj(fp, f) zopfli_gz = compress(fp.read())
f.write(zopfli_gz)
ORG_FIRMWARE_SIZE = bin_file.stat().st_size ORG_FIRMWARE_SIZE = bin_file.stat().st_size
GZ_FIRMWARE_SIZE = gzip_file.stat().st_size GZ_FIRMWARE_SIZE = gzip_file.stat().st_size