gentoo-overlay/app-misc/binwalk/files/0001-Added-check-for-backports.lzma-when-importing-lzma-m.patch

From 95bce4edcc6e92c9517b80ccb1fb956f591e0738 Mon Sep 17 00:00:00 2001
From: Craig Heffner <heffnercj@gmail.com>
Date: Tue, 5 Jan 2016 13:28:24 -0500
Subject: [PATCH] Added check for backports.lzma when importing lzma module

---
 src/binwalk/modules/compression.py | 5 ++++-
 src/binwalk/plugins/lzmaextract.py | 6 +++++-
 src/binwalk/plugins/lzmavalid.py   | 5 ++++-
 3 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/src/binwalk/modules/compression.py b/src/binwalk/modules/compression.py
index 97ca68d..e919f7e 100644
--- a/src/binwalk/modules/compression.py
+++ b/src/binwalk/modules/compression.py
@@ -2,11 +2,14 @@
 
 import os
 import zlib
-import lzma
 import struct
 import binwalk.core.compat
 import binwalk.core.common
 from binwalk.core.module import Option, Kwarg, Module
+try:
+    import lzma
+except ImportError:
+    from backports import lzma
 
 class LZMAHeader(object):
     def __init__(self, **kwargs):
diff --git a/src/binwalk/plugins/lzmaextract.py b/src/binwalk/plugins/lzmaextract.py
index 137b4cc..93f6240 100755
--- a/src/binwalk/plugins/lzmaextract.py
+++ b/src/binwalk/plugins/lzmaextract.py
@@ -12,7 +12,11 @@ class LZMAExtractPlugin(binwalk.core.plugin.Plugin):
             # lzma package in Python 2.0 decompress() does not handle multiple
             # compressed streams, only first stream is extracted.
             # backports.lzma package could be used to keep consistent behaviour.
-            import lzma
+            try:
+                import lzma
+            except ImportError:
+                from backports import lzma
+
             self.decompressor = lzma.decompress
 
             # If the extractor is enabled for the module we're currently loaded
diff --git a/src/binwalk/plugins/lzmavalid.py b/src/binwalk/plugins/lzmavalid.py
index a343656..62e15b9 100644
--- a/src/binwalk/plugins/lzmavalid.py
+++ b/src/binwalk/plugins/lzmavalid.py
@@ -17,7 +17,10 @@ class LZMAPlugin(binwalk.core.plugin.Plugin):
 
     def init(self):
         try:
-            import lzma
+            try:
+                import lzma
+            except ImportError:
+                from backports import lzma
             self.decompressor = lzma.decompress
         except ImportError as e:
             self.decompressor = None
-- 
2.12.2