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Retrieves and displays all SharePoint lists from a specified site using Microsoft Graph API, printing their display names, IDs, template types, and web URLs.

Purpose

This function queries the Microsoft Graph API to fetch all lists within a SharePoint site and presents them in a formatted console output. It's useful for discovering available lists in a SharePoint site, understanding their types (document libraries, custom lists, etc.), and obtaining their identifiers for further operations. The function handles API errors gracefully and provides clear feedback about the number of lists found.

Source Code

def explore_site_lists(site_id, headers):
    """Explore all lists in the site."""
    try:
        lists_url = f"https://graph.microsoft.com/v1.0/sites/{site_id}/lists"
        response = requests.get(lists_url, headers=headers)
        
        if response.status_code == 200:
            lists_data = response.json()
            
            print(f"Found {len(lists_data.get('value', []))} lists:")
            for i, lst in enumerate(lists_data.get('value', []), 1):
                list_template = lst.get('list', {}).get('template', 'Unknown')
                print(f"{i}. {lst.get('displayName', 'Unknown')} ({list_template})")
                print(f"   ID: {lst.get('id', 'Unknown')}")
                if lst.get('webUrl'):
                    print(f"   Web URL: {lst.get('webUrl')}")
                print()
        else:
            print(f"Failed to get lists: {response.status_code}")
            
    except Exception as e:
        print(f"Error exploring site lists: {e}")

Parameters

Parameter Details

site_id: The unique identifier of the SharePoint site to explore. This should be a valid SharePoint site ID string that can be obtained from Microsoft Graph API. Format is typically a GUID or a combination of hostname,site-path,site-guid.

headers: A dictionary containing HTTP headers required for authentication with Microsoft Graph API. Must include an 'Authorization' header with a valid Bearer token that has permissions to read SharePoint site lists (Sites.Read.All or Sites.ReadWrite.All).

Return Value

This function does not return any value (implicitly returns None). It outputs information directly to the console via print statements, displaying the count of lists found and details for each list including display name, template type, ID, and web URL.

Dependencies

• requests

Required Imports

import requests

Usage Example

import requests

# Obtain access token (example using client credentials)
access_token = 'your_access_token_here'

# Prepare headers with authentication
headers = {
    'Authorization': f'Bearer {access_token}',
    'Content-Type': 'application/json'
}

# SharePoint site ID (can be obtained from Graph API)
site_id = 'contoso.sharepoint.com,12345678-1234-1234-1234-123456789012,87654321-4321-4321-4321-210987654321'

# Explore all lists in the site
explore_site_lists(site_id, headers)

# Output example:
# Found 3 lists:
# 1. Documents (documentLibrary)
#    ID: 12345678-abcd-efgh-ijkl-123456789012
#    Web URL: https://contoso.sharepoint.com/sites/mysite/Documents
#
# 2. Tasks (genericList)
#    ID: 87654321-wxyz-abcd-efgh-987654321098
#    Web URL: https://contoso.sharepoint.com/sites/mysite/Lists/Tasks

Best Practices

• Ensure the access token in headers has not expired before calling this function
• Verify that the authenticated user has appropriate permissions to read SharePoint lists
• Handle the console output appropriately if using this function in a production environment (consider logging instead of print statements)
• The site_id parameter must be properly formatted and valid; invalid IDs will result in 404 or 400 status codes
• Consider implementing retry logic for transient network failures when using in production
• For large sites with many lists, be aware that this function may produce extensive console output
• The function uses synchronous requests which may block execution; consider async alternatives for high-performance applications

Tags

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