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Cloud Storage Manager

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Abstract

Cloud Storage Manager is a Python project that manages cloud storage. The application features file upload/download, authentication, and a CLI interface, demonstrating best practices in cloud computing and security.

Prerequisites

  • Python 3.8 or above
  • A code editor or IDE
  • Basic understanding of cloud storage and authentication
  • Required libraries: boto3boto3, requestsrequests

Before you Start

Install Python and the required libraries:

Install dependencies
pip install boto3 requests
Install dependencies
pip install boto3 requests

Getting Started

Create a Project

  1. Create a folder named cloud-storage-managercloud-storage-manager.
  2. Open the folder in your code editor or IDE.
  3. Create a file named cloud_storage_manager.pycloud_storage_manager.py.
  4. Copy the code below into your file.

Write the Code

⚙️ Cloud Storage Manager
Cloud Storage Manager
import os
import shutil
 
class CloudStorageManager:
    def __init__(self, storage_dir):
        self.storage_dir = storage_dir
        if not os.path.exists(storage_dir):
            os.makedirs(storage_dir)
 
    def upload_file(self, file_path):
        if not os.path.isfile(file_path):
            raise FileNotFoundError(f"File not found: {file_path}")
        dest = os.path.join(self.storage_dir, os.path.basename(file_path))
        shutil.copy(file_path, dest)
        print(f"Uploaded {file_path} to cloud storage.")
 
    def list_files(self):
        files = os.listdir(self.storage_dir)
        print("Files in cloud storage:", files)
        return files
 
    def download_file(self, file_name, dest_dir):
        src = os.path.join(self.storage_dir, file_name)
        if not os.path.isfile(src):
            raise FileNotFoundError(f"File not found in cloud storage: {file_name}")
        if not os.path.exists(dest_dir):
            os.makedirs(dest_dir)
        dest = os.path.join(dest_dir, file_name)
        shutil.copy(src, dest)
        print(f"Downloaded {file_name} to {dest_dir}.")
 
if __name__ == "__main__":
    print("Cloud Storage Manager Demo")
    manager = CloudStorageManager("cloud_storage")
    # Demo: upload, list, download
    # manager.upload_file("example.txt")
    manager.list_files()
    # manager.download_file("example.txt", "downloads")
Cloud Storage Manager
import os
import shutil
 
class CloudStorageManager:
    def __init__(self, storage_dir):
        self.storage_dir = storage_dir
        if not os.path.exists(storage_dir):
            os.makedirs(storage_dir)
 
    def upload_file(self, file_path):
        if not os.path.isfile(file_path):
            raise FileNotFoundError(f"File not found: {file_path}")
        dest = os.path.join(self.storage_dir, os.path.basename(file_path))
        shutil.copy(file_path, dest)
        print(f"Uploaded {file_path} to cloud storage.")
 
    def list_files(self):
        files = os.listdir(self.storage_dir)
        print("Files in cloud storage:", files)
        return files
 
    def download_file(self, file_name, dest_dir):
        src = os.path.join(self.storage_dir, file_name)
        if not os.path.isfile(src):
            raise FileNotFoundError(f"File not found in cloud storage: {file_name}")
        if not os.path.exists(dest_dir):
            os.makedirs(dest_dir)
        dest = os.path.join(dest_dir, file_name)
        shutil.copy(src, dest)
        print(f"Downloaded {file_name} to {dest_dir}.")
 
if __name__ == "__main__":
    print("Cloud Storage Manager Demo")
    manager = CloudStorageManager("cloud_storage")
    # Demo: upload, list, download
    # manager.upload_file("example.txt")
    manager.list_files()
    # manager.download_file("example.txt", "downloads")

Example Usage

Run cloud storage manager
python cloud_storage_manager.py
Run cloud storage manager
python cloud_storage_manager.py

Explanation

Key Features

  • File Upload/Download: Manages files in cloud storage.
  • Authentication: Secures access to cloud resources.
  • Error Handling: Validates inputs and manages exceptions.
  • CLI Interface: Interactive command-line usage.

Code Breakdown

  1. Import Libraries and Setup Manager
cloud_storage_manager.py
import boto3
import requests
cloud_storage_manager.py
import boto3
import requests
  1. File Management and Authentication Functions
cloud_storage_manager.py
def upload_file(file_name, bucket):
    s3 = boto3.client('s3')
    s3.upload_file(file_name, bucket, file_name)
 
def download_file(file_name, bucket):
    s3 = boto3.client('s3')
    s3.download_file(bucket, file_name, file_name)
cloud_storage_manager.py
def upload_file(file_name, bucket):
    s3 = boto3.client('s3')
    s3.upload_file(file_name, bucket, file_name)
 
def download_file(file_name, bucket):
    s3 = boto3.client('s3')
    s3.download_file(bucket, file_name, file_name)
  1. CLI Interface and Error Handling
cloud_storage_manager.py
def main():
    print("Cloud Storage Manager")
    while True:
        cmd = input('> ')
        if cmd == 'upload':
            file_name = input("File name: ")
            bucket = input("Bucket name: ")
            try:
                upload_file(file_name, bucket)
                print("File uploaded.")
            except Exception as e:
                print(f"Error: {e}")
        elif cmd == 'download':
            file_name = input("File name: ")
            bucket = input("Bucket name: ")
            try:
                download_file(file_name, bucket)
                print("File downloaded.")
            except Exception as e:
                print(f"Error: {e}")
        elif cmd == 'exit':
            break
        else:
            print("Unknown command. Type 'upload', 'download', or 'exit'.")
 
if __name__ == "__main__":
    main()
cloud_storage_manager.py
def main():
    print("Cloud Storage Manager")
    while True:
        cmd = input('> ')
        if cmd == 'upload':
            file_name = input("File name: ")
            bucket = input("Bucket name: ")
            try:
                upload_file(file_name, bucket)
                print("File uploaded.")
            except Exception as e:
                print(f"Error: {e}")
        elif cmd == 'download':
            file_name = input("File name: ")
            bucket = input("Bucket name: ")
            try:
                download_file(file_name, bucket)
                print("File downloaded.")
            except Exception as e:
                print(f"Error: {e}")
        elif cmd == 'exit':
            break
        else:
            print("Unknown command. Type 'upload', 'download', or 'exit'.")
 
if __name__ == "__main__":
    main()

Features

  • Cloud Storage Management: File upload/download and authentication
  • Modular Design: Separate functions for each task
  • Error Handling: Manages invalid inputs and exceptions
  • Production-Ready: Scalable and maintainable code

Next Steps

Enhance the project by:

  • Integrating with multiple cloud providers
  • Supporting advanced authentication methods
  • Creating a GUI for management
  • Adding file encryption
  • Unit testing for reliability

Educational Value

This project teaches:

  • Cloud Computing: Storage management and authentication
  • Software Design: Modular, maintainable code
  • Error Handling: Writing robust Python code

Real-World Applications

  • Cloud Storage Platforms
  • Enterprise File Management
  • Backup Solutions

Conclusion

Cloud Storage Manager demonstrates how to build a scalable and secure cloud storage tool using Python. With modular design and extensibility, this project can be adapted for real-world applications in cloud computing, enterprise, and more. For more advanced projects, visit Python Central Hub.

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