run.py

#!/usr/bin/env python3
import argparse
import datetime
import os
import pprint
import shutil
import subprocess
import sys
import time

SUBDIR_WORKING = 'working'
SUBDIR_CLASSES_EXTRA = 'classes_extra'
SUBDIR_CLASSES_ENGINE = 'classes_engine'
SUBDIR_CLASSES_GAME = 'classes_game'
SUBDIR_LIGDX_LWJGL = 'lwjgl_backend'
SUBDIR_LWJGL_NATIVES = 'lwjgl/native/linux'
SUBDIR_LWJGL_JARS = 'lwjgl/jar'
JARS_LIBGDX = ['gdx-natives.jar', 'gdx-freetype-natives.jar']
JARS_LWJGL = ['lwjgl.jar', 'lwjgl_test.jar', 'lwjgl_util.jar', 'jinput.jar']

TRUE_STORAGE = 'Android/data/catstudio/mgc2'


def timeformat(time):
	return datetime.datetime.utcfromtimestamp(time).strftime('%Y-%m-%d %H:%M:%S')


def soft_rmdir(dirpath):
	try:
		os.rmdir(dirpath)
		return True
	except OSError:
		return False


def remove_old(origin_path, time_diff):
	c_processed, c_rm = 0, 0
	time_now = time.time()
	if not os.path.isdir(origin_path):
		return
	for dirpath, dirnames, filenames in os.walk(origin_path, topdown=False):
		for filename in filenames:
			c_processed += 1
			full_filename = os.path.join(dirpath, filename)
			stat = os.stat(full_filename)
			time_last = max(stat.st_mtime, stat.st_ctime)
			if time_now - time_last >= time_diff:
				try:
					os.remove(full_filename)
					c_rm += 1
					print('Removed file: %r (%r)' % (full_filename, timeformat(time_last)))
				except Exception as e:
					print('Can not remove file:', full_filename, ':', e)
		for dirname in dirnames:
			full_dirname = os.path.join(dirpath, dirname)
			if soft_rmdir(full_dirname):
				print('Removed empty dir:', full_dirname)
	if soft_rmdir(origin_path):
		print('Removed empty origin:', origin_path)
	return c_processed, c_rm


def cleanup_storage(working_path):
	mgc2_dir = os.path.join(working_path, 'Android/data/catstudio/mgc2')
	c_processed, c_rm = 0, 0

	for mgc2_item in os.listdir(path=mgc2_dir):
		if mgc2_item == 'assets':
			continue
		mgc2_item_j = os.path.join(mgc2_dir, mgc2_item)
		if not os.path.isdir(mgc2_item_j):
			continue
		cc_proc, cc_rm = remove_old(mgc2_item_j, 7 * 24 * 60 * 60)
		c_processed += cc_proc
		c_rm += cc_rm
	print('Processed %r files; Removed %r (%r%%) files;' % (c_processed, c_rm, 100 * c_rm // c_processed))


# true_storage = os.path.join(working_path, TRUE_STORAGE)
# for item in os.listdir(path=true_storage):
# 	if item == 'assets': continue
# 	full = os.path.join(true_storage, item)
# 	print('Removing ' + repr(full) + '...')
# 	shutil.rmtree(full)

def select_classes(path):
	print('Selecting classes from ' + repr(path) + '...')
	classpath = list()
	for item in os.listdir(path=path):
		classpath.append(os.path.join(path, item))
	return classpath


def main():
	script_path = os.path.dirname(os.path.abspath(__file__))
	working_dir = os.path.join(script_path, SUBDIR_WORKING)
	lwjgl_natives_dir = os.path.join(script_path, SUBDIR_LWJGL_NATIVES)
	lwjgl_jars_dir = os.path.join(script_path, SUBDIR_LWJGL_JARS)

	if not os.path.exists(working_dir):
		os.makedirs(working_dir)
	cleanup_storage(working_dir)

	classpath = list()
	classpath += select_classes(os.path.join(script_path, SUBDIR_CLASSES_EXTRA))
	classpath += select_classes(os.path.join(script_path, SUBDIR_CLASSES_GAME))
	classpath += select_classes(os.path.join(script_path, SUBDIR_CLASSES_ENGINE))
	classpath += [
		os.path.join(script_path, SUBDIR_LWJGL_NATIVES),
		os.path.join(script_path, SUBDIR_LIGDX_LWJGL),
	]
	classpath += [os.path.join(script_path, jar) for jar in JARS_LIBGDX]
	classpath += [os.path.join(lwjgl_jars_dir, jar) for jar in JARS_LWJGL]

	cmdline = [
		'nice', '-n', '15', 'ionice', '-c', '3', '-t',
		'java',
		'-noverify',  # Need to use some broken classes
		'-classpath', ':'.join(classpath),
		'-Djava.library.path=' + lwjgl_natives_dir,
		'-Duser.home=' + working_dir,
		# '-Dswing.defaultlaf=com.sun.java.swing.plaf.gtk.GTKLookAndFeel',
		'com.catstudio.restaurant.MGC2Desktop_CN',
	]

	print(repr(cmdline))

	p = subprocess.Popen(
		cmdline,
		cwd=working_dir,
		stderr=sys.stderr,
		stdout=sys.stdout,
	)
	p.wait()


if __name__ == "__main__":
	main()