morgan/python-bzz
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Added a notes file

Browse Source 
Updated header parsing, and replaced the endian with little instead of big, because the files are def little endian
This commit is contained in:
Morgan Kelley
2025-09-18 22:53:57 -06:00
parent c24cca2373
commit 19344c50d5
2 changed files with 63 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
main.py
View File

@@ -12,7 +12,7 @@ class BZZCompressor:
# read the input file
try:
with open(f"{input_file_path}/{input_file}", "rb") as infile:
temp = bitarray(endian="big")
temp = bitarray(endian="little")
temp.fromfile(infile)
data = temp.tobytes()
@@ -30,13 +30,9 @@ class BZZCompressor:
##############################################################################
# This is always 1, 0, 0, 0. so I'm just having fun
bzz_version = f"v{data[0]}.{data[1]}.{data[2]}.{data[3]}"
game_id = "".join([str(int(bin(item)[2:], 2)) for item in data[4:8]])
num_files = 0
for item in data[8:12]:
num_files += int(bin(item)[2:].zfill(8), 2)
bzz_version = int.from_bytes(data[0:4], "little")
game_id = int.from_bytes(data[4:8], "little")
num_files = int.from_bytes(data[8:12], "little")
print(f"BZZ Version: {bzz_version}")
print(f"Game ID: {game_id}")
@@ -48,9 +44,15 @@ class BZZCompressor:
tmp = (i) * 12
files.append(
{
"pt_a": data[12 + tmp : 12 + tmp + 4],
"pt_b": data[12 + tmp + 4 : 12 + tmp + 8],
"pt_c": data[12 + tmp + 8 : 12 + tmp + 12],
"pt_a": hex(
int.from_bytes(data[12 + tmp : 12 + tmp + 4], "little")
),
"pt_b": hex(
int.from_bytes(data[12 + tmp + 4 : 12 + tmp + 8], "little")
),
"pt_c": hex(
int.from_bytes(data[12 + tmp + 8 : 12 + tmp + 12], "little")
),
}
)