From 01df9960e6bd4a99d982eae32182d86146498812 Mon Sep 17 00:00:00 2001
From: Jan Pokorný <jpokorny@redhat.com>
Date: Thu, 2 Oct 2014 22:11:39 +0200
Subject: Add python/001-hexstring2bytes.py
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Signed-off-by: Jan Pokorný <jpokorny@redhat.com>
---
 python/001-hexstring2bytes.py | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 python/001-hexstring2bytes.py

(limited to 'python/001-hexstring2bytes.py')

diff --git a/python/001-hexstring2bytes.py b/python/001-hexstring2bytes.py
new file mode 100644
index 0000000..22de43d
--- /dev/null
+++ b/python/001-hexstring2bytes.py
@@ -0,0 +1,11 @@
+# we only consider absolute value (for tha case of "-0x..." hexstr parameter)
+# presumably damn slow, but should work for magic strings with uknown length
+hexstring2bytes = \
+    lambda hexstr: \
+        reduce(
+            lambda acc, (i, x):
+                acc[:-1] + chr(int(x + hex(ord(acc[-1]))[-1], 16)) if i % 2
+                else acc + chr(int(x, 16)),
+            enumerate(reversed(hexstr.lstrip('-0x'))),
+            ''
+        )
-- 
cgit