How to Create a MongoDB Backup with a Python Script?

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To create a MongoDB backup using a Python script, you can use the mongodump command-line tool, which is part of the MongoDB installation. You can invoke the mongodump tool from your Python script using the subprocess module. Here’s an example:

import subprocess

# Define the backup directory and database name
backup_dir = '/path/to/backup/directory'
database_name = 'your_database_name'

# Construct the command to execute
command = f'mongodump --db {database_name} --out {backup_dir}'

# Execute the command
subprocess.run(command, shell=True)

In the above code:

  1. First, you need to define the backup directory where you want to store the backup files. Set the backup_dir variable to the desired path on your system.
  2. Specify the name of the database you want to back up by setting the database_name variable.
  3. Construct the command to execute by combining the mongodump command with the appropriate options. In this example, we use the --db option to specify the database to back up and the --out option to specify the backup directory.
  4. Use the subprocess.run function to execute the command. Set the shell parameter to True to enable the use of shell syntax in the command string.

When you run the Python script, it will invoke the mongodump tool and create a backup of the specified database in the specified backup directory.

Make sure you have MongoDB installed and the mongodump tool available in your system’s PATH environment variable. Adjust the database_name and backup_dir variables according to your specific database and backup directory paths.

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