Python example script working with with files and MongoDB or CosmosDB

mongo_csv_example.py

import csv
from tqdm import tqdm
from pymongo import MongoClient

def remapper():
    url = 'SRV_URL'
    client = MongoClient(url)     # get connection
    
    print('Opening Client')
    db = client['bz-parts-data']  # get database

    print('Quering Documents')
    docs = db.parts_data.find({'field': 'value'}) # get documents
    
    print('Processing Documents')
    with open('output_file.csv', mode='w') as csv_file:  
        field_names = ['fieldname1', 'fieldname1', 'fieldname1']
        
        # if you need a writer
        writer = csv.DictWriter(csv_file, fieldnames=field_names)  # writer
        writer.writeheader()  # write fieldnames as headers
        
        for doc in tqdm(docs):
            # do whatever to documents
        

if __name__ == "__main__":
    remapper()