1.1 --- a/deducer.py	Thu Dec 15 16:09:01 2016 +0100
     1.2 +++ b/deducer.py	Thu Dec 15 17:06:36 2016 +0100
     1.3 @@ -137,6 +137,7 @@
     1.4          self.classify_accessors()
     1.5          self.classify_accesses()
     1.6          self.initialise_access_plans()
     1.7 +        self.identify_dependencies()
     1.8  
     1.9      def to_output(self):
    1.10  
    1.11 @@ -647,6 +648,36 @@
    1.12              original_location = self.const_accesses_rev.get(location)
    1.13              self.access_plans[original_location or location] = self.get_access_plan(location)
    1.14  
    1.15 +    def identify_dependencies(self):
    1.16 +
    1.17 +        "Introduce more module dependencies to the importer."
    1.18 +
    1.19 +        for location, referenced_attrs in self.referenced_attrs.items():
    1.20 +            path, name, attrnames, version = location
    1.21 +
    1.22 +            # Identify module-level paths.
    1.23 +
    1.24 +            if self.importer.modules.has_key(path):
    1.25 +                module_name = path
    1.26 +
    1.27 +            # Identify the module containing other paths.
    1.28 +
    1.29 +            else:
    1.30 +                ref = self.importer.identify(path)
    1.31 +                for objpath in ref.ancestors():
    1.32 +                    if self.importer.modules.has_key(objpath):
    1.33 +                        module_name = objpath
    1.34 +                        break
    1.35 +                else:
    1.36 +                    raise DeduceError("Cannot find module for path %s." % path)
    1.37 +
    1.38 +            # Identify usage of callables employing dynamic defaults.
    1.39 +
    1.40 +            for attrtype, objtype, attr in referenced_attrs:
    1.41 +                if self.importer.uses_dynamic_callable(attr):
    1.42 +                    provider = self.importer.get_module_provider(attr)
    1.43 +                    self.importer.add_provider(path, provider)
    1.44 +
    1.45      def get_referenced_attrs(self, location):
    1.46  
    1.47          """