mirror of https://github.com/arendst/Tasmota.git
35 lines
1.3 KiB
Python
35 lines
1.3 KiB
Python
Import('env')
|
|
import os
|
|
import shutil
|
|
import gzip
|
|
|
|
platform = env.PioPlatform()
|
|
board = env.BoardConfig()
|
|
mcu = board.get("build.mcu", "esp32")
|
|
# gzip only for ESP8266
|
|
if env["PIOPLATFORM"] != "espressif32":
|
|
|
|
OUTPUT_DIR = "build_output{}".format(os.path.sep)
|
|
|
|
def bin_gzip(source, target, env):
|
|
variant = str(target[0]).split(os.path.sep)[2]
|
|
|
|
# create string with location and file names based on variant
|
|
bin_file = "{}firmware{}{}.bin".format(OUTPUT_DIR, os.path.sep, variant)
|
|
gzip_file = "{}firmware{}{}.bin.gz".format(OUTPUT_DIR, os.path.sep, variant)
|
|
|
|
# check if new target files exist and remove if necessary
|
|
if os.path.isfile(gzip_file): os.remove(gzip_file)
|
|
|
|
# write gzip firmware file
|
|
with open(bin_file,"rb") as fp:
|
|
with gzip.open(gzip_file, "wb", compresslevel = 9) as f:
|
|
shutil.copyfileobj(fp, f)
|
|
|
|
ORG_FIRMWARE_SIZE = os.stat(bin_file).st_size
|
|
GZ_FIRMWARE_SIZE = os.stat(gzip_file).st_size
|
|
|
|
print("Compression reduced firmware size by {:.0f}% (was {} bytes, now {} bytes)".format((GZ_FIRMWARE_SIZE / ORG_FIRMWARE_SIZE) * 100, ORG_FIRMWARE_SIZE, GZ_FIRMWARE_SIZE))
|
|
|
|
env.AddPostAction("$BUILD_DIR/${PROGNAME}.bin", [bin_gzip])
|