# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1475271534 -7200
# Node ID 8bd8f2d412d870c159a438a11cf017c523e92b28
# Parent  fab0f521eeb9210c7403cc7526d5ac1394e110f6
Fixed anonymous access bases in access plans.
Renamed variables for clarity in get_access_plan.
Added an example of anonymous accessing.

diff -r fab0f521eeb9 -r 8bd8f2d412d8 deducer.py
--- a/deducer.py	Fri Sep 30 17:40:53 2016 +0200
+++ b/deducer.py	Fri Sep 30 23:38:54 2016 +0200
@@ -394,7 +394,8 @@
 
             for location in locations:
                 base, traversed, attrnames, method, test, attr = self.access_plans[location]
-                print >>f_attrs, encode_access_location(location), base, \
+                print >>f_attrs, encode_access_location(location), \
+                                 base or "{}", \
                                  ".".join(traversed) or "{}", \
                                  ".".join(attrnames) or "{}", \
                                  method, test, \
@@ -1733,9 +1734,9 @@
 
         const_access = self.const_accesses_rev.has_key(location)
 
-        path, name, attrname_str, version = location
-        attrnames = attrname_str.split(".")
-        attrname = attrnames[0]
+        path, name, attrnames, version = location
+        remaining = attrnames.split(".")
+        attrname = remaining[0]
 
         # Obtain reference and accessor information, retaining also distinct
         # provider kind details.
@@ -1828,9 +1829,9 @@
             attr = first(attrs)
 
             traversed.append(attrname)
-            del attrnames[0]
-
-            if not attrnames:
+            del remaining[0]
+
+            if not remaining:
                 break
 
             # Update the last static attribute.
@@ -1841,7 +1842,7 @@
 
             # Get the next attribute.
 
-            attrname = attrnames[0]
+            attrname = remaining[0]
             attrs = self.importer.get_attributes(attr, attrname)
 
         # Where many attributes are suggested, no single attribute identity can
@@ -1876,6 +1877,8 @@
                                (class_relative and "-class" or "")
             origin = None
 
-        return base or name, traversed, attrnames, method, test, origin
+        # Determine the nature of the context.
+
+        return base or name, traversed, remaining, method, test, origin
 
 # vim: tabstop=4 expandtab shiftwidth=4
diff -r fab0f521eeb9 -r 8bd8f2d412d8 tests/chain.py
--- a/tests/chain.py	Fri Sep 30 17:40:53 2016 +0200
+++ b/tests/chain.py	Fri Sep 30 23:38:54 2016 +0200
@@ -18,6 +18,10 @@
                 C.D.F.t = 234
                 return self.o.__len__
             t = 123
+            def u(self):
+                return self.o
+            def v(self):
+                return self.u().__len__
 
 def main():
     c = C