code: def resolve_context(self, verbosity=0, max_fails=-1, timestamp=None,
                          callback=None, buf=None, package_load_callback=None):
          
          package_filter = PackageFilterList.from_pod(self.package_filter)
  
          context = ResolvedContext(
              self.request,
              package_paths=self.packages_path,
              package_filter=package_filter,
              verbosity=verbosity,
              max_fails=max_fails,
              timestamp=timestamp,
              buf=buf,
              callback=callback,
              package_load_callback=package_load_callback,
              caching=self.caching)
  
          if context.success:
              if self._context and self._context.load_path:
                  context.set_load_path(self._context.load_path)
              self._set_context(context)
              self._modified = True
          return context
docs: Update the current context by performing a re-resolve.
  
          The newly resolved context is only applied if it is a successful solve.
  
          Returns:
              `ResolvedContext` object, which may be a successful or failed solve.