--- a/hgext/directaccess.py	Fri May 27 17:33:53 2016 +0200
+++ b/hgext/directaccess.py	Mon Aug 01 22:37:48 2016 +0200
@@ -132,38 +132,35 @@
 
 _listtuple = ('symbol', '_list')
 
+def _ishashsymbol(symbol, maxrev):
+    # Returns true if symbol looks like a hash
+    try:
+        n = int(symbol)
+        if n <= maxrev:
+            # It's a rev number
+            return False
+    except ValueError:
+        pass
+    return hashre.match(symbol)
+
 def gethashsymbols(tree, maxrev):
     # Returns the list of symbols of the tree that look like hashes
     # for example for the revset 3::abe3ff it will return ('abe3ff')
     if not tree:
         return []
 
+    results = []
     if len(tree) == 2 and tree[0] == "symbol":
-        try:
-            n = int(tree[1])
-            # This isn't necessarily a rev number, could be a hash prefix
-            if n > maxrev:
-                return [tree[1]]
-            else:
-                return []
-        except ValueError as e:
-            if hashre.match(tree[1]):
-                return [tree[1]]
-            return []
+        results.append(tree[1])
     elif tree[0] == "func" and tree[1] == _listtuple:
         # the optimiser will group sequence of hash request
-        result = []
-        for entry in tree[2][1].split('\0'):
-            if hashre.match(entry):
-                result.append(entry)
-        return result
+        results += tree[2][1].split('\0')
     elif len(tree) >= 3:
-        results = []
         for subtree in tree[1:]:
             results += gethashsymbols(subtree, maxrev)
+        # return directly, we don't need to filter symbols again
         return results
-    else:
-        return []
+    return [s for s in results if _ishashsymbol(s, maxrev)]
 
 def _posttreebuilthook(orig, tree, repo):
     # This is use to enabled direct hash access

--- a/hgext/evolve.py	Fri May 27 17:33:53 2016 +0200
+++ b/hgext/evolve.py	Mon Aug 01 22:37:48 2016 +0200
@@ -71,6 +71,7 @@
 import collections
 import socket
 import errno
+import hashlib
 import struct
 sha1re = re.compile(r'\b[0-9a-f]{6,40}\b')
 
@@ -3859,7 +3860,7 @@
     for i in unfi:
         ctx = unfi[i]
         entry = 0
-        sha = util.sha1()
+        sha = hashlib.sha1()
         # add data from p1
         for p in ctx.parents():
             p = p.rev()

--- a/hgext/simple4server.py	Fri May 27 17:33:53 2016 +0200
+++ b/hgext/simple4server.py	Mon Aug 01 22:37:48 2016 +0200
@@ -13,6 +13,7 @@
 
 import mercurial.obsolete
 
+import hashlib
 import struct
 from mercurial import util
 from mercurial import wireproto
@@ -192,7 +193,7 @@
     for i in unfi:
         ctx = unfi[i]
         entry = 0
-        sha = util.sha1()
+        sha = hashlib.sha1()
         # add data from p1
         for p in ctx.parents():
             p = p.rev()

--- a/tests/test-inhibit.t	Fri May 27 17:33:53 2016 +0200
+++ b/tests/test-inhibit.t	Mon Aug 01 22:37:48 2016 +0200
@@ -375,6 +375,21 @@
   cf5c4f4554ce
   2db36d8066ff
 
+Test directaccess only takes hashes
+
+  $ HOOKPATH=$TESTTMP/printexplicitaccess.py
+  $ cat >> $HOOKPATH <<EOF
+  > def hook(ui, repo, **kwds):
+  >     for i in sorted(repo._explicitaccess):
+  >         ui.write('directaccess: %s\n' % i)
+  > EOF
+
+  $ hg log -r 1 -r 2 -r 2db36d8066f -T '{rev}\n' --config hooks.post-log=python:$HOOKPATH:hook
+  1
+  2
+  3
+  directaccess: 3
+
 With severals hidden sha, rebase of one hidden stack onto another one:
   $ hg update -C 0
   0 files updated, 0 files merged, 4 files removed, 0 files unresolved