[game-data-packager] 03/17: Fix streaming entries from tar files

[Simon McVittie]

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smcv pushed a commit to branch master
in repository game-data-packager.

commit 81c43e8f9183b786e31230c9a39b77315fdc87ef
Author: Simon McVittie <smcv at debian.org>
Date:   Wed Dec 30 12:56:48 2015 +0000

    Fix streaming entries from tar files
---
 game_data_packager/unpack/__init__.py | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/game_data_packager/unpack/__init__.py b/game_data_packager/unpack/__init__.py
index 59373a6..25c000f 100644
--- a/game_data_packager/unpack/__init__.py
+++ b/game_data_packager/unpack/__init__.py
@@ -104,8 +104,18 @@ class StreamUnpackable(metaclass=ABCMeta):
         """Extract the given member from the archive into the given
         directory.
         """
-        with self.open(member) as reader:
-            filename = reader.entry.name
+
+        if isinstance(member, (str, bytes)):
+            filename = member
+        else:
+            filename = member.name
+
+        reader = self.open(member)
+
+        if not reader:
+            raise ValueError('cannot open %s' % member)
+
+        with reader:
             filename = filename.lstrip('/')
 
             while filename.startswith('../'):

-- 
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