--- a/ForgeHg/forgehg/model/hg.py
+++ b/ForgeHg/forgehg/model/hg.py
@@ -1,5 +1,13 @@
+import os
+import email as EM
+from datetime import datetime
+
+from pylons import c
+from mercurial import ui, hg
+
 from ming.orm.mapped_class import MappedClass
 from ming.orm.property import FieldProperty
+from ming.utils import LazyProperty
 
 from pyforge.model import Repository
 
@@ -13,4 +21,64 @@
             type_s='HgRepository')
         return result
 
+    @LazyProperty
+    def _impl(self):
+        return hg.repository(ui.ui(), os.path.join(c.app.repo.path, c.app.repo.name))
+
+    def __iter__(self):
+        cs = self._impl[self._impl.heads()[0]]
+        return self.iter_changeset(cs)
+
+    def iter_changeset(self, changeset):
+        yield HgCommit.from_hg(changeset, self)
+        for x in changeset.ancestors():
+            yield HgCommit.from_hg(x, self)
+
+    def iter_branch(self, branch):
+        branch = self._impl.branchmap().get(branch, [])
+        if branch:
+            return self.iter_changeset(self._impl[branch[0]])
+        else:
+            return []
+
+    def iter_tag(self, tag):
+        tag = self._impl.tags().get(tag)
+        if tag:
+            return self.iter_changeset(self._impl[tag])
+        else:
+            return []
+
+    def __getattr__(self, name):
+        return getattr(self._impl, name)
+
+    def __getitem__(self, name):
+        return self._impl[name]
+
+    @property
+    def tags(self):
+        '''Override Artifact.tags'''
+        return self._impl.tags
+
+class HgCommit(object):
+    type_s='HgCommit'
+
+    def __init__(self, id, repo):
+        self._id = id
+        self._repo = repo
+
+    @classmethod
+    def from_hg(cls, ctx ,repo):
+        result = cls(id=ctx.hex(), repo=repo)
+        result.__dict__['_impl'] = ctx
+        result.user = dict(
+            name=EM.utils.parseaddr(ctx.user())[0],
+            email=EM.utils.parseaddr(ctx.user())[1])
+        result.user_url = None
+        result.revision=ctx.rev()
+        result.datetime=datetime.fromtimestamp(sum(ctx.date()))
+        return result
+
+    def __getattr__(self, name):
+        return getattr(self._impl, name)
+
 MappedClass.compile_all()