py3: fix archive

Summary:
archive uses a formatter to produce it's metadat file. We need to use a
string io stream instead of bytes.

Reviewed By: quark-zju

Differential Revision: D19748163

fbshipit-source-id: fbd8c32066cfc4a234d9b51691717c7fce4c7c9a

eden/scm/edenscm/mercurial/archival.py

@@ -32,8 +32,6 @@ from . import (
 from .i18n import _
 
 
-stringio = util.stringio
-
 # from unzip source code:
 _UNX_IFREG = 0x8000
 _UNX_IFLNK = 0xA000
@@ -102,7 +100,7 @@ def buildmetadata(ctx):
 
     opts = {"template": repo.ui.config("experimental", "archivemetatemplate", default)}
 
-    out = util.stringio()
+    out = pycompat.stringutf8io()
 
     fm = formatter.formatter(repo.ui, out, "archive", opts)
     fm.startitem()
@@ -116,7 +114,7 @@ def buildmetadata(ctx):
         fm.data(dirty=dirty)
     fm.end()
 
-    return out.getvalue()
+    return pycompat.encodeutf8(out.getvalue())
 
 
 class tarit(object):
@@ -184,7 +182,7 @@ class tarit(object):
             i.size = 0
         else:
             i.mode = mode
-            data = stringio(data)
+            data = pycompat.stringio(data)
         self.z.addfile(i, data)
 
     def done(self):

eden/scm/edenscm/mercurial/pycompat.py

@@ -84,6 +84,7 @@ if sys.version_info[0] >= 3:
     sysexecutable = sys.executable
 
     stringio = io.BytesIO
+    stringutf8io = io.StringIO
     maplist = lambda *args: list(map(*args))
     ziplist = lambda *args: list(zip(*args))
     rawinput = input
@@ -178,6 +179,7 @@ else:
     sysexecutable = sys.executable
     shlexsplit = shlex.split
     stringio = cStringIO.StringIO
+    stringutf8io = cStringIO.StringIO
     maplist = map
     ziplist = zip
     rawinput = raw_input  # noqa

eden/scm/tests/test-fb-hgext-remotefilelog-archive.t

@@ -1,4 +1,3 @@
-#require py2
 #chg-compatible
 
   $ disable treemanifest