docs: def detectCustomImportPaths(self, prefix):
  		"""
  		Some prefixes does not reflect provider prefix
  		e.g. camlistore.org/pkg/googlestorage is actually at
  		github.com/camlistore/camlistore repository under
  		pkg/googlestorage directory.
  		"""
  		for assignment in self.ip2pp_mapping:
  			if prefix.startswith(assignment["ipprefix"]):
  				return {"prefix": assignment["ipprefix"], "provider_prefix": assignment["provider_prefix"]}
  
  		return {}