def create_where_clause(self, kwargs, from_gridfs = False):
'''
Create where clause from `kwargs`.
Parameters
----------
from_gridfs : bool, optional (default is False)
Whether to build where clause for gridfs.
Other Parameters
----------------
package_name : str, optional (default is None)
apk_hash : str, optional (default is None)
version_name : str, optional (default is None)
tag : str, optional (default is None)
script_hash : str, optional (default is None)
script_name : str, optional (default is None)
script_version : str, optional (default is None)
Notes
-----
If any of the other parameters is None it won't be used for filtering.
Returns
-------
'''
# create filter dict
wheres = []
wheres += MongoUtil.build_apk_meta_where(kwargs, gridfs = from_gridfs)
wheres += MongoUtil.build_script_meta_where(kwargs, gridfs = from_gridfs)
return dict(wheres)
