def get_file(self, file, **kwargs):
from canvasapi.file import File<EOL>file_id = obj_or_id(file, "<STR_LIT:file>", (File,))<EOL>response = self._requester.request(<EOL>'<STR_LIT:GET>',<EOL>'<STR_LIT>'.format(self.id, file_id),<EOL>_kwargs=combine_kwargs(**kwargs)<EOL>)<EOL>return File(self._requester, response.json())<EOL>
Return the standard attachment json object for a file.

:calls: `GET /api/v1/groups/:group_id/files/:id \
<https://canvas.instructure.com/doc/api/files.html#method.files.api_show>`_

:param file: The object or ID of the file to retrieve.
:type file: :class:`canvasapi.file.File` or int

:rtype: :class:`canvasapi.file.File`