original_docstring: 
          Only return results that matched from the "core" set of packages.
          
docstring: Only return results that matched from the "core" set of packages.
docstring_tokens: Only return results that matched from the " core " set of packages .
code: def core(self):
          """
          Only return results that matched from the "core" set of packages.
          """
          if self._core_packages:
              return self._core_packages
  
          if self._other_packages:
              return {}
  
          # go fetch
          self.all
          return self._core_packages
code_tokens: def core ( self ) : if self . _core_packages : return self . _core_packages if self . _other_packages : return { } self . all return self . _core_packages
short_docstring: Only return results that matched from the "core" set of packages.
short_docstring_tokens: Only return results that matched from the " core " set of packages .
comment: """
          Only return results that matched from the "core" set of packages.
          """$SEP$# go fetch