tbxi/tbxi/dispatcher.py

70 lines
1.4 KiB
Python

import importlib
import os
from os import path
FORMATS = '''
bootinfo
parcels
powerpc
supermario
'''.split()
class WrongFormat(Exception):
pass
def build_dir(p):
for fmt in FORMATS:
mod = importlib.import_module('..%s_build' % fmt, __name__)
try:
data = mod.build(p)
except WrongFormat:
continue
print(fmt)
return data
raise WrongFormat
def build(p):
parent = path.dirname(path.abspath(p))
name = path.basename(path.abspath(p))
# try building the file from a directory
for np in [p + '.src', p]:
try:
data = build_dir(np)
except WrongFormat:
pass
else:
break
else:
# fall back on just reading the file (boring, I know!)
with open(p, 'rb') as f:
data = f.read()
return data
def dump(binary, dest_path, toplevel=False):
if not toplevel:
with open(dest_path, 'wb') as f:
f.write(binary)
dest_path += '.src'
for fmt in FORMATS:
mod = importlib.import_module('..%s_dump' % fmt, __name__)
try:
arg = binary
if isinstance(arg, tuple) and fmt != 'bootinfo': arg = arg[0] # strip found resource fork
mod.dump(arg, dest_path)
print(fmt)
break
except WrongFormat:
pass