gzip_littlefs.py not working on Linux

[dario-pulcinelli]

I was trying to complile with platformio under linux but this script wasn't working, I've made some quick'n'dirty fixes and now it worked, for me at least

Import("env")
import shutil, pathlib, gzip, os

def copy_data(src, dst):
  print("copy_data src: "+src)
  print("copy_data dst: "+dst)
  ext = pathlib.Path(src).suffix[1:]
  myfilename = "filelist.txt"
#  drive, path_and_file = os.path.splitdrive(dst)
#  path, file = os.path.split(path_and_file)
  path, file = os.path.split(dst)
  print("dst: " + dst)
#  print("drive: " + drive)
  print("path: " + path)
  print("file: " + file)
#  myfile = open(drive + path + '\\' + myfilename, 'a')
  myfile = open(path + os.sep + myfilename, 'a')
  if (ext in ["js", "css", "html", "ico"]):
    myfile.write(file + ".gz\n")
    with open(src, 'rb') as src, gzip.open(dst + ".gz", 'wb') as dst:
      for chunk in iter(lambda: src.read(4096), b""):
        dst.write(chunk)
  else:
    myfile.write(file + '\n')
    shutil.copy(src, dst)
  myfile.close()

def getsrc():
  path = os.path.normpath(env.get("PROJECT_DATA_DIR")).split(os.sep)
  src="/"+os.path.join(*path)
  print("Source: "+src)
  return src

def getdest(): 
  path = os.path.normpath(env.get("PROJECT_DATA_DIR")).split(os.sep)
  dst="/"+os.path.join(*path[:-1])+"/fs"
  print("Destination: "+dst)
  return dst

def copy_gzip_data(source, target, env):
  del_gzip_data(source, target, env)
  print("zipping html files")
  shutil.copytree(getsrc(), getdest(), copy_function=copy_data)
  print("copy_gzip_data completed")

def del_gzip_data(source, target, env):
  print("Clearing zipped files")
  shutil.rmtree(getdest(), True)
  print("del_gzip_data completed")

env.AddPreAction("$BUILD_DIR/littlefs.bin", copy_gzip_data)
env.AddPostAction("$BUILD_DIR/littlefs.bin", del_gzip_data)

[visualapproach]

Well done, thanks for sharing!