Cache/retrieve extracted CIPD packages in local isolate cache

client/utils/fs.py

Index: client/utils/fs.py
diff --git a/client/utils/fs.py b/client/utils/fs.py
index c743f2b7f4a5d27bad146319a1f0656c5f7c263a..a1e378e54dbeaba99aa7626dcb55e9df348db468 100644
--- a/client/utils/fs.py
+++ b/client/utils/fs.py
@@ -121,8 +121,8 @@ else:
     In some rare case, concatenating str and unicode may cause a
     UnicodeEncodeError because the default encoding is 'ascii'.
     """
-    assert os.path.isabs(path), path
-    assert isinstance(path, unicode), path
+    assert os.path.isabs(path), '%s must be absolute' % path

[M-A Ruel, 2017/05/08 13:13:14]

update lines 37-38 to be coherent
Use %r
what do you mean by "path or unicode" ?

[kjlubick, 2017/05/08 18:59:29]

Done.

I don't know what I meant.  

To quote Gary Larson "It was late and I was tired"

+    assert isinstance(path, unicode), '%s must be a path or unicode' % path
     return path.encode('utf-8')