[PATCH 5 of 5] templater: resolve type of dict key in getmember()

[Yuya Nishihara]

# HG changeset patch
# User Yuya Nishihara <yuya at tcha.org>
# Date 1525405395 -32400
#      Fri May 04 12:43:15 2018 +0900
# Node ID 2002b2699cf6066f8965d84aa15a97d6c4df1b2f
# Parent  c30ef16679c1fa6fead795a0ccadd7dced41f408
templater: resolve type of dict key in getmember()

This seems more correct and is consistent with the future wrapped.contains()
function, where a key type has to be resolved depending on a container type.

diff --git a/mercurial/hgweb/webutil.py b/mercurial/hgweb/webutil.py
--- a/mercurial/hgweb/webutil.py
+++ b/mercurial/hgweb/webutil.py
@@ -714,6 +714,7 @@ class sessionvars(templateutil.wrapped):
         return sessionvars(copy.copy(self._vars), self._start)
 
     def getmember(self, context, mapping, key):
+        key = templateutil.unwrapvalue(context, mapping, key)
         return self._vars.get(key)
 
     def itermaps(self, context):
diff --git a/mercurial/templatefuncs.py b/mercurial/templatefuncs.py
--- a/mercurial/templatefuncs.py
+++ b/mercurial/templatefuncs.py
@@ -262,7 +262,7 @@ def get(context, mapping, args):
         raise error.ParseError(_("get() expects two arguments"))
 
     dictarg = evalwrapped(context, mapping, args[0])
-    key = evalfuncarg(context, mapping, args[1])
+    key = evalrawexp(context, mapping, args[1])
     try:
         return dictarg.getmember(context, mapping, key)
     except error.ParseError as err:
diff --git a/mercurial/templateutil.py b/mercurial/templateutil.py
--- a/mercurial/templateutil.py
+++ b/mercurial/templateutil.py
@@ -41,6 +41,7 @@ class wrapped(object):
     def getmember(self, context, mapping, key):
         """Return a member item for the specified key
 
+        The key argument may be a wrapped object.
         A returned object may be either a wrapped object or a pure value
         depending on the self type.
         """
@@ -147,6 +148,7 @@ class hybrid(wrapped):
         # TODO: maybe split hybrid list/dict types?
         if not util.safehasattr(self._values, 'get'):
             raise error.ParseError(_('not a dictionary'))
+        key = unwrapastype(context, mapping, key, self.keytype)
         return self._wrapvalue(key, self._values.get(key))
 
     def _wrapvalue(self, key, val):