def pack_filetable(archive):
file_table = b''
data_size = 0
for f in archive['file_entries']:
data_offset = data_size
file_size = len(f["data"])
file_table += struct.pack(file_entry_structure(), f["file_name"], f["file_type"], f["compression_type"], file_size, data_offset)
data_size += file_size
return file_table
def pack_filetable(archive):
file_table = b''
data_size = 0
for f in archive['file_entries']:
data_offset = data_size
file_size = len(f["data"])
file_table += struct.pack(file_entry_structure(), f["file_name"],
f["file_type"], f["compression_type"],
file_size, data_offset)
data_size += file_size
return file_table
def parse_filetable():
result = []
file_sizes = []
for i in range(nb_files):
file_entry_offset = header_size()+file_entry_size()*i
file_name, file_type, compression_type, file_size, data_offset =\
struct.unpack(
file_entry_structure(),
buffer[ file_entry_offset: file_entry_offset+file_entry_size()]
)
file_entry = { "file_type": file_type,
"compression_type": compression_type }
result.append(file_entry)
file_sizes.append(file_size)
return result, file_sizes
def parse_filetable():
result = []
file_sizes = []
for i in range(nb_files):
file_entry_offset = header_size() + file_entry_size() * i
file_name, file_type, compression_type, file_size, data_offset =\
struct.unpack(
file_entry_structure(),
buffer[ file_entry_offset: file_entry_offset+file_entry_size()]
)
file_entry = {
"file_type": file_type,
"compression_type": compression_type
}
result.append(file_entry)
file_sizes.append(file_size)
return result, file_sizes