def save_max_drive(self, f):
if lzari == None:
raise error, ("The lzari module is needed to "
" decompress MAX Drive saves.")
iconsysname = ""
icon_sys = self.get_icon_sys()
if icon_sys != None:
title = icon_sys_title(icon_sys, "ascii")
if len(title[0]) > 0 and title[0][-1] != ' ':
iconsysname = title[0] + " " + title[1].strip()
else:
iconsysname = title[0] + title[1].rstrip()
s = ""
dirent = self.dirent
for i in range(dirent[2]):
(ent, data) = self.get_file(i)
if not mode_is_file(ent[0]):
raise error, "Non-file in save file."
s += struct.pack("<L32s", ent[2], ent[8])
s += data
s += "\0" * (round_up(len(s) + 8, 16) - 8 - len(s))
length = len(s)
progress = "compressing " + dirent[8] + ": "
compressed = lzari.encode(s, progress)
hdr = struct.pack("<12sL32s32sLLL", PS2SAVE_MAX_MAGIC,
0, dirent[8], iconsysname,
len(compressed) + 4, dirent[2], length)
crc = binascii.crc32(hdr)
crc = binascii.crc32(compressed, crc)
f.write(struct.pack("<12sL32s32sLLL", PS2SAVE_MAX_MAGIC,
crc & 0xFFFFFFFF, dirent[8], iconsysname,
len(compressed) + 4, dirent[2], length))
f.write(compressed)
f.flush()
def load_ems(self, f):
"""Load EMS (.psu) save files."""
cluster_size = 1024
dirent = unpack_dirent(_read_fixed(f, PS2MC_DIRENT_LENGTH))
dotent = unpack_dirent(_read_fixed(f, PS2MC_DIRENT_LENGTH))
dotdotent = unpack_dirent(_read_fixed(f, PS2MC_DIRENT_LENGTH))
if (not mode_is_dir(dirent[0])
or not mode_is_dir(dotent[0])
or not mode_is_dir(dotdotent[0])
or dirent[2] < 2):
raise corrupt, ("Not a EMS (.psu) save file.", f)
dirent[2] -= 2
self.set_directory(dirent)
for i in range(dirent[2]):
ent = unpack_dirent(_read_fixed(f,
PS2MC_DIRENT_LENGTH))
if not mode_is_file(ent[0]):
raise subdir, f
flen = ent[2]
self.set_file(i, ent, _read_fixed(f, flen))
_read_fixed(f, round_up(flen, cluster_size) - flen)
def _load_max_drive_2(self):
(length, s) = self._compressed
self._compressed = None
if lzari == None:
raise error, ("The lzari module is needed to "
" decompress MAX Drive saves.")
s = lzari.decode(s, length,
"decompressing " + self.dirent[8] + ": ")
dirlen = self.dirent[2]
now = tod_now()
off = 0
for i in range(dirlen):
if len(s) - off < 36:
raise eof, f
(l, name) = struct.unpack("<L32s", s[off : off + 36])
name = zero_terminate(name)
# print "%08x %08x %s" % (off, l, name)
off += 36
data = s[off : off + l]
if len(data) != l:
raise eof, f
self.set_file(i,
(DF_RWX | DF_FILE | DF_0400, 0, l,
now, 0, 0, now, 0, name),
data)
off += l
off = round_up(off + 8, 16) - 8
def save_max_drive(self, f):
if lzari == None:
raise error, ("The lzari module is needed to "
" decompress MAX Drive saves.")
iconsysname = ""
icon_sys = self.get_icon_sys()
if icon_sys != None:
title = icon_sys_title(icon_sys, "ascii")
if len(title[0]) > 0 and title[0][-1] != ' ':
iconsysname = title[0] + " " + title[1].strip()
else:
iconsysname = title[0] + title[1].rstrip()
s = ""
dirent = self.dirent
for i in range(dirent[2]):
(ent, data) = self.get_file(i)
if not mode_is_file(ent[0]):
raise error, "Non-file in save file."
s += struct.pack("<L32s", ent[2], ent[8])
s += data
s += "\0" * (round_up(len(s) + 8, 16) - 8 - len(s))
length = len(s)
progress = "compressing " + dirent[8] + ": "
compressed = lzari.encode(s, progress)
hdr = struct.pack("<12sL32s32sLLL", PS2SAVE_MAX_MAGIC, 0, dirent[8],
iconsysname,
len(compressed) + 4, dirent[2], length)
crc = binascii.crc32(hdr)
crc = binascii.crc32(compressed, crc)
f.write(
struct.pack("<12sL32s32sLLL", PS2SAVE_MAX_MAGIC, crc & 0xFFFFFFFF,
dirent[8], iconsysname,
len(compressed) + 4, dirent[2], length))
f.write(compressed)
f.flush()
def _load_max_drive_2(self):
(length, s) = self._compressed
self._compressed = None
if lzari == None:
raise error, ("The lzari module is needed to "
" decompress MAX Drive saves.")
s = lzari.decode(s, length, "decompressing " + self.dirent[8] + ": ")
dirlen = self.dirent[2]
timestamp = self.dirent[3]
off = 0
for i in range(dirlen):
if len(s) - off < 36:
raise eof, f
(l, name) = struct.unpack("<L32s", s[off:off + 36])
name = zero_terminate(name)
# print "%08x %08x %s" % (off, l, name)
off += 36
data = s[off:off + l]
if len(data) != l:
raise eof, f
self.set_file(i, (DF_RWX | DF_FILE | DF_0400 | DF_EXISTS, 0, l,
timestamp, 0, 0, timestamp, 0, name), data)
off += l
off = round_up(off + 8, 16) - 8
def save_ems(self, f):
cluster_size = 1024
dirent = self.dirent[:]
dirent[2] += 2
f.write(pack_dirent(dirent))
f.write(
pack_dirent((DF_RWX | DF_DIR | DF_0400 | DF_EXISTS, 0, 0,
dirent[3], 0, 0, dirent[3], 0, ".")))
f.write(
pack_dirent((DF_RWX | DF_DIR | DF_0400 | DF_EXISTS, 0, 0,
dirent[3], 0, 0, dirent[3], 0, "..")))
for i in range(dirent[2] - 2):
(ent, data) = self.get_file(i)
f.write(pack_dirent(ent))
if not mode_is_file(ent[0]):
raise error, "Directory has a subdirectory."
f.write(data)
f.write("\0" * (round_up(len(data), cluster_size) - len(data)))
f.flush()
def save_ems(self, f):
cluster_size = 1024
dirent = self.dirent[:]
dirent[2] += 2
f.write(pack_dirent(dirent))
f.write(pack_dirent((DF_RWX | DF_DIR | DF_0400 | DF_EXISTS,
0, 0, dirent[3],
0, 0, dirent[3], 0, ".")))
f.write(pack_dirent((DF_RWX | DF_DIR | DF_0400 | DF_EXISTS,
0, 0, dirent[3],
0, 0, dirent[3], 0, "..")))
for i in range(dirent[2] - 2):
(ent, data) = self.get_file(i)
f.write(pack_dirent(ent))
if not mode_is_file(ent[0]):
raise error, "Directory has a subdirectory."
f.write(data)
f.write("\0" * (round_up(len(data), cluster_size)
- len(data)))
f.flush()
def load_ems(self, f):
"""Load EMS (.psu) save files."""
cluster_size = 1024
dirent = unpack_dirent(_read_fixed(f, PS2MC_DIRENT_LENGTH))
dotent = unpack_dirent(_read_fixed(f, PS2MC_DIRENT_LENGTH))
dotdotent = unpack_dirent(_read_fixed(f, PS2MC_DIRENT_LENGTH))
if (not mode_is_dir(dirent[0]) or not mode_is_dir(dotent[0])
or not mode_is_dir(dotdotent[0]) or dirent[2] < 2):
raise corrupt, ("Not a EMS (.psu) save file.", f)
dirent[2] -= 2
self.set_directory(dirent)
for i in range(dirent[2]):
ent = unpack_dirent(_read_fixed(f, PS2MC_DIRENT_LENGTH))
if not mode_is_file(ent[0]):
raise subdir, f
flen = ent[2]
self.set_file(i, ent, _read_fixed(f, flen))
_read_fixed(f, round_up(flen, cluster_size) - flen)
