unix-ffi/uu: Add unix-ffi version of uu package.

This package reuses the code from the python-stdlib version of `uu` but
requires the unix-ffi version of `os-path`.

This also updates `email.message` to require this version of `uu`.

Signed-off-by: Jeffery To <[email protected]>

Author: jefferyto

unix-ffi/email.message/manifest.py

@@ -1,7 +1,7 @@
 metadata(version="0.5.3")
 
 require("re", unix_ffi=True)
-require("uu")
+require("uu", unix_ffi=True)
 require("base64")
 require("binascii")
 require("email.utils", unix_ffi=True)

unix-ffi/uu/manifest.py

@@ -0,0 +1,6 @@
+metadata(version="0.5.1")
+
+require("binascii")
+require("os-path", unix_ffi=True)
+
+module("uu.py", base_path="../../python-stdlib/uu")