A simple script to showcase PyMongo usage in vanilla Python.

mongo_db_script.py

from pymongo import MongoClient

# create a MongoDB client
client = MongoClient('localhost', 27017)

series_db = client['SeriesDB']
series_collection = series_db['series']


def insert_document(collection, data):
    """ Function to insert a document into a collection and
    return the document's id.
    """
    return collection.insert_one(data).inserted_id


def find_document(collection, elements, multiple=False):
    """ Function to retrieve a single or multiple documents from a provided 
    collection using a dictionary containing a document's elements.
    """
    if multiple:
        results = collection.find(elements)
        return [r for r in results]
    else:
        return collection.find_one(elements)


def update_document(collection, query_elements, new_values):
    """ Function to update a single document in a collection.
    """
    return collection.update_one(query_elements, {'$set': new_values})


def delete_document(collection, query):
    """ Function to delete a single document from a collection.
    """
    collection.delete_one(query)


# insert a new show and get its _id
new_show = {
    "name": "FRIENDS",
    "year": 1995
}

id_ = insert_document(series_collection, new_show)

# retrieve a show
result = find_document(series_collection, {'name': 'FRIENDS'}, True)
print(result)

# update the show
update_document(series_collection, {'_id': id_}, {'name': 'F.R.I.E.N.D.S'}))
result = find_document(series_collection, {'_id': id_})
print(result)

# delete a show
delete_document(series_collection, {'_id': id_})
result = find_document(series_collection, {'_id': id_}) 
print(result)