initial commit

1 files changed, 27 insertions, 0 deletions

diff --git a/hexdump.py b/hexdump.py
new file mode 100644
index 0000000..c119b16
--- /dev/null
+++ b/hexdump.py
@@ -0,0 +1,27 @@
+import struct
+from binascii import b2a_hex
+"""
+Simple hexdump, 16 bytes per line with offset.
+"""
+
+def ashex(line):
+    return " ".join("%02x" % _ for _ in line)
+def aschr(b):
+    if 32<=b<0x7f:
+        return "%c" % b
+    elif 0x80<=b<=0xff:
+        try:
+            c = struct.pack("<B", b).decode('cp1251')
+            if c:
+                return c
+        except:
+            pass
+    return "."
+def asasc(line):
+    return "".join(aschr(_) for _ in line)
+def hexdump(ofs, data):
+    for o in range(0, len(data), 16):
+        print("%08x: %-47s  %s" % (o+ofs, ashex(data[o:o+16]), asasc(data[o:o+16])))
+
+def tohex(data):
+    return b2a_hex(data).decode('ascii')