How to use the smmap.__file__ function in smmap

import smmap

from jig.exc import (
    NotGitRepo, PreCommitExists, JigUserDirectoryError,
    GitTemplatesMissing, GitHomeTemplatesExists, GitConfigError,
    InitTemplateDirAlreadySet)
from jig.conf import JIG_DIR_NAME
from jig.gitutils.scripts import RUN_JIG_SCRIPT, AUTO_JIG_INIT_SCRIPT
from jig.gitutils.checks import is_git_repo

# Dependencies to make jig run
JIG_DIR = realpath(join(dirname(__file__), '..'))
GIT_PYTHON_DIR = realpath(join(dirname(git.__file__), '..'))
GITDB_DIR = realpath(join(dirname(gitdb.__file__), '..'))
ASYNC_DIR = realpath(join(dirname(async.__file__), '..'))
SMMAP_DIR = realpath(join(dirname(smmap.__file__), '..'))


def _git_templates():
    """
    Search and return the location of the shared Git templates directory.

    :rtype: string or None
    """
    search_locations = [
        '/usr/share/git-core/templates',
        '/usr/local/share/git-core/templates',
        '/usr/local/git/share/git-core/templates'
    ]

    for possible_location in search_locations:
        if isdir(possible_location):

import git
from git.exc import GitCommandError
import gitdb
import async
import smmap

from jig.exc import NotGitRepo, PreCommitExists, GitCloneError
from jig.conf import JIG_DIR_NAME

# Dependencies to make jig run
BE_CAREFUL_DIR = realpath(join(dirname(__file__), '..'))
GIT_PYTHON_DIR = realpath(join(dirname(git.__file__), '..'))
GITDB_DIR = realpath(join(dirname(gitdb.__file__), '..'))
ASYNC_DIR = realpath(join(dirname(async.__file__), '..'))
SMMAP_DIR = realpath(join(dirname(smmap.__file__), '..'))

PRE_COMMIT_HOOK_SCRIPT = \
    dedent("""\
    #!{python_executable}
    from sys import path
    from os.path import dirname, join

    # Make sure that we can find the directory that jig is installed
    path.append('{be_careful_dir}')
    path.append('{git_python_dir}')
    path.append('{gitdb_dir}')
    path.append('{async_dir}')
    path.append('{smmap_dir}')

    from jig.runner import Runner