Completion/Unix/Type/_python_modules


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#autoload

_python_module_caching_policy () {
  local -a newer
  # rebuild if cache does not exist or is more than a week old
  newer=( "$1"(Nmw-1) )
  return $#newer
}

_python_modules () {
  local update_policy python expl

  case $words[1] in
    (python*) python=$words[1] ;;
    (pydoc*)  python=${words[1]/#pydoc/python} ;;
    (*)       python="python" ;;
  esac
  local cache_id=${${python//[^[:alnum:]]/_}#_}_modules
  local array_name=_${cache_id}

  zstyle -s ":completion:${curcontext}:" cache-policy update_policy
  [[ -z "$update_policy" ]] && \
    zstyle ":completion:${curcontext}:" \
      cache-policy _python_module_caching_policy

  if ( [[ ${(P)+array_name} -eq 0 ]] || _cache_invalid $cache_id ) &&
      ! _retrieve_cache $cache_id; then

   local script='import pkgutil
for importer, name, ispkg in pkgutil.iter_modules(): print(name)'

    typeset -agU $array_name
    set -A $array_name \
      $(_call_program modules $python -c ${(q)script} 2>/dev/null)

    _store_cache $cache_id $array_name
  fi

  _wanted modules expl module compadd "$@" -a -- $array_name
}

_python_modules "$@"