parameters: (self)
docstring: Scan the path for distributions and populate the cache with
          those that are found.
docstring_summary: Scan the path for distributions and populate the cache with
          those that are found.
docstring_tokens: Scan the path for distributions and populate the cache with those that are found .
function: def _generate_cache(self):
          """
          Scan the path for distributions and populate the cache with
          those that are found.
          """
          gen_dist = not self._cache.generated
          gen_egg = self._include_egg and not self._cache_egg.generated
          if gen_dist or gen_egg:
              for dist in self._yield_distributions():
                  if isinstance(dist, InstalledDistribution):
                      self._cache.add(dist)
                  else:
                      self._cache_egg.add(dist)
  
              if gen_dist:
                  self._cache.generated = True
              if gen_egg:
                  self._cache_egg.generated = True
function_tokens: def _generate_cache ( self ) : gen_dist = not self . _cache . generated gen_egg = self . _include_egg and not self . _cache_egg . generated if gen_dist or gen_egg : for dist in self . _yield_distributions ( ) : if isinstance ( dist , InstalledDistribution ) : self . _cache . add ( dist ) else : self . _cache_egg . add ( dist ) if gen_dist : self . _cache . generated = True if gen_egg : self . _cache_egg . generated = True