# HG changeset patch
# User Julien Cristau <julien.cristau@logilab.fr>
# Date 1404228325 -7200
# Node ID 465d8151b92d722bb54120059f9921eaf54aa4a5
# Parent  e0e71b45bf8d758b636920e93648f38409e8ddaf
[dbapi] allow talking to a pre-3.19 remote repository

Closes #4071285

diff -r e0e71b45bf8d -r 465d8151b92d dbapi.py
--- a/dbapi.py	Tue Jun 17 11:56:38 2014 +0200
+++ b/dbapi.py	Tue Jul 01 17:25:25 2014 +0200
@@ -679,7 +679,16 @@
     @check_not_closed
     def entity_metas(self, eid):
         """return a tuple (type, sourceuri, extid) for the entity with id <eid>"""
-        return self._repo.entity_metas(self.sessionid, eid, **self._txid())
+        try:
+            return self._repo.entity_metas(self.sessionid, eid, **self._txid())
+        except AttributeError:
+            # talking to pre 3.19 repository
+            metas = self._repo.describe(self.sessionid, eid, **self._txid())
+            if len(metas) == 3: # even older backward compat
+                metas = list(metas)
+                metas.append(metas[1])
+            return dict(zip(('type', 'source', 'extid', 'asource'), metas))
+
 
     @deprecated('[3.19] use .entity_metas(eid) instead')
     @check_not_closed