diff options
Diffstat (limited to 'lab')
| -rw-r--r-- | lab/show_pyc.py | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/lab/show_pyc.py b/lab/show_pyc.py index 0a28e4f..525797a 100644 --- a/lab/show_pyc.py +++ b/lab/show_pyc.py @@ -13,14 +13,25 @@ import types def show_pyc_file(fname): f = open(fname, "rb") magic = f.read(4) - moddate = f.read(4) - modtime = time.asctime(time.localtime(struct.unpack('<L', moddate)[0])) print("magic %s" % (binascii.hexlify(magic))) - print("moddate %s (%s)" % (binascii.hexlify(moddate), modtime)) - if sys.version_info >= (3, 3): - # 3.3 added another long to the header (size). - size = f.read(4) - print("pysize %s (%d)" % (binascii.hexlify(size), struct.unpack('<L', size)[0])) + read_date_and_size = True + if sys.version_info >= (3, 7): + # 3.7 added a flags word + flags = struct.unpack('<L', f.read(4))[0] + hash_based = flags & 0x01 + check_source = flags & 0x02 + print("flags 0x%08x" % (flags,)) + if hash_based: + source_hash = f.read(8) + read_date_and_size = False + if read_date_and_size: + moddate = f.read(4) + modtime = time.asctime(time.localtime(struct.unpack('<L', moddate)[0])) + print("moddate %s (%s)" % (binascii.hexlify(moddate), modtime)) + if sys.version_info >= (3, 3): + # 3.3 added another long to the header (size). + size = f.read(4) + print("pysize %s (%d)" % (binascii.hexlify(size), struct.unpack('<L', size)[0])) code = marshal.load(f) show_code(code) |