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webfiles now get packed and comments removed

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This commit is contained in:
Marcel Peterkau 2023-12-11 19:09:51 +01:00
parent e85eef271b
commit be53089726
1 changed files with 62 additions and 9 deletions
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71
Software/prepare_littlefs.py
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@ -6,9 +6,59 @@ import glob
import shutil
import gzip
import os
import subprocess
Import("env")
Import("projenv")
# Setze die Pfade zu den Tools als Variablen
html_minifier_path = os.path.join(os.getenv("APPDATA"), "npm", "html-minifier.cmd")
uglifyjs_path = os.path.join(os.getenv("APPDATA"), "npm", "uglifyjs.cmd")
terser_path = os.path.join(os.getenv("APPDATA"), "npm", "terser.cmd")
cssnano_path = os.path.join(os.getenv("APPDATA"), "npm", "cssnano.cmd")
def minify_html(input_path, output_path):
subprocess.run([html_minifier_path, '--collapse-whitespace', '--remove-comments', input_path, '-o', output_path])
def minify_js(input_path, output_path):
subprocess.run([terser_path, input_path, '-o', output_path, '-c', '-m'])
def minify_css(input_path, output_path):
subprocess.run([cssnano_path, input_path, output_path])
def process_file(src_path, dest_path):
_, file_extension = os.path.splitext(src_path)
# Extrahiere den Ordnerpfad im Zielverzeichnis
dest_dir = os.path.dirname(dest_path)
# Erstelle den Ordner und alle dazugehörigen Unterordner, falls sie nicht existieren
os.makedirs(dest_dir, exist_ok=True)
if file_extension.lower() == '.js':
minify_js(src_path, dest_path)
elif file_extension.lower() == '.css':
minify_css(src_path, dest_path)
elif file_extension.lower() in ['.html', '.htm']:
minify_html(src_path, dest_path)
else:
# Kopiere nicht bearbeitbare Dateien direkt in den Zielordner
shutil.copy2(src_path, dest_path)
def strip_files(src_dir, dest_dir):
# Erstelle den Zielordner und alle dazugehörigen Unterordner, falls sie nicht existieren
os.makedirs(dest_dir, exist_ok=True)
# Durchlaufe alle Dateien und Unterverzeichnisse im Quellordner
for root, _, files in os.walk(src_dir):
for filename in files:
src_path = os.path.join(root, filename)
dest_path = os.path.relpath(src_path, src_dir)
dest_path = os.path.join(dest_dir, dest_path)
# Verarbeite nur Dateien (keine Unterverzeichnisse)
process_file(src_path, dest_path)
def gzip_file(src_path, dst_path):
@ -47,14 +97,16 @@ def gzip_webfiles(source, target, env):
filetypes_to_gzip = ['.css', '.png', '.js', '.ico', '.woff2', '.json']
print('\nGZIP: Starting gzip-Process for LittleFS-Image...\n')
data_src_dir_path = os.path.join(env.get('PROJECT_DIR'), 'data_src')
data_temp_dir_path = os.path.join(env.get('PROJECT_DIR'), 'data_stripped')
strip_files(data_src_dir_path, data_temp_dir_path)
data_dir_path = env.get('PROJECT_DATA_DIR')
# check if data and datasrc exist. If the first exists and not the second, it renames it
if(os.path.exists(data_dir_path) and not os.path.exists(data_src_dir_path)):
if(os.path.exists(data_dir_path) and not os.path.exists(data_temp_dir_path)):
print('GZIP: Directory "'+data_dir_path +
'" exists, "'+data_src_dir_path+'" is not found.')
'" exists, "'+data_temp_dir_path+'" is not found.')
print('GZIP: Renaming "' + data_dir_path +
'" to "' + data_src_dir_path + '"')
os.rename(data_dir_path, data_src_dir_path)
'" to "' + data_temp_dir_path + '"')
os.rename(data_dir_path, data_temp_dir_path)
# Delete the 'data' directory
if(os.path.exists(data_dir_path)):
print('GZIP: Deleting the "data" directory ' + data_dir_path)
@ -67,27 +119,27 @@ def gzip_webfiles(source, target, env):
files_to_copy = []
files_to_gzip = []
all_data_src = getListOfFiles(data_src_dir_path)
all_data_src = getListOfFiles(data_temp_dir_path)
for file in all_data_src:
file_name, file_extension = os.path.splitext(file)
print(file_name + " has filetype " + file_extension)
if file_extension in filetypes_to_gzip:
files_to_gzip.append(file)
else:
filename_subdir = remove_prefix(file, data_src_dir_path)
filename_subdir = remove_prefix(file, data_temp_dir_path)
files_to_copy.append(filename_subdir)
for file in files_to_copy:
print('GZIP: Copying file from: ' + data_src_dir_path + file + ' to: ' + data_dir_path + file)
print('GZIP: Copying file from: ' + data_temp_dir_path + file + ' to: ' + data_dir_path + file)
os.makedirs(os.path.dirname(data_dir_path + file), exist_ok=True)
shutil.copy(data_src_dir_path + file, data_dir_path + file)
shutil.copy(data_temp_dir_path + file, data_dir_path + file)
# Compress and move files
was_error = False
try:
for source_file_path in files_to_gzip:
print('GZIP: compressing... ' + source_file_path)
filename_subdir = remove_prefix(source_file_path, data_src_dir_path)
filename_subdir = remove_prefix(source_file_path, data_temp_dir_path)
target_file_path = data_dir_path + filename_subdir
os.makedirs(os.path.dirname(target_file_path), exist_ok=True)
print('GZIP: Compressed... ' + target_file_path)
@ -100,6 +152,7 @@ def gzip_webfiles(source, target, env):
print('GZIP: Failure/Incomplete.\n')
else:
print('GZIP: Compressed correctly.\n')
shutil.rmtree(data_temp_dir_path)
return