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Tests multiple Microsoft Graph API endpoints to locate missing folders in a SharePoint drive by trying different URL patterns and searching for expected folders.

Purpose

This diagnostic function is designed to troubleshoot SharePoint folder access issues by systematically testing various Microsoft Graph API endpoint variations. It attempts to access the drive root through different URL patterns, reports the success/failure of each attempt, and displays found folders and files. Additionally, it calls a search function to look for specific expected folders. This is useful when standard API calls fail to return expected folder structures.

Source Code

def explore_alternative_endpoints(client, headers):
    """Try alternative API endpoints to find the missing folders."""
    try:
        # 1. Try different ways to access the drive root
        endpoints_to_try = [
            f"https://graph.microsoft.com/v1.0/sites/{client.site_id}/drives/{client.drive_id}/root/children",
            f"https://graph.microsoft.com/v1.0/sites/{client.site_id}/drives/{client.drive_id}/items/root/children",
            f"https://graph.microsoft.com/v1.0/sites/{client.site_id}/drives/{client.drive_id}/root:/:/children",
            f"https://graph.microsoft.com/v1.0/drives/{client.drive_id}/root/children"
        ]
        
        for i, endpoint in enumerate(endpoints_to_try, 1):
            print(f"{i}. Testing endpoint: {endpoint.split('/')[-3:]}")
            response = requests.get(endpoint, headers=headers)
            
            if response.status_code == 200:
                items_data = response.json()
                folders = [item for item in items_data.get('value', []) if 'folder' in item]
                files = [item for item in items_data.get('value', []) if 'file' in item]
                print(f"   ✅ {len(folders)} folders, {len(files)} files")
                
                if folders:
                    print("   Folders found:")
                    for folder in folders:
                        print(f"     📁 {folder.get('name', 'Unknown')}")
            else:
                print(f"   ❌ Failed: {response.status_code}")
            print()
            
        # 2. Try to search for specific folders
        print("🔍 SEARCHING FOR EXPECTED FOLDERS:")
        search_for_folders(client, headers)
        
    except Exception as e:
        print(f"Error exploring alternative endpoints: {e}")

Parameters

Parameter Details

client: An instance of SharePointGraphClient that contains site_id and drive_id attributes needed to construct the Microsoft Graph API endpoints for accessing SharePoint resources

headers: A dictionary containing HTTP headers for authentication, typically including an Authorization header with a Bearer token required for Microsoft Graph API requests

Return Value

This function returns None (implicitly). It performs side effects by printing diagnostic information to stdout, including endpoint test results, folder/file counts, folder names, and error messages if any occur during execution.

Dependencies

• requests
• json
• os
• sys
• sharepoint_graph_client
• config
• traceback

Required Imports

import requests
from sharepoint_graph_client import SharePointGraphClient
from config import Config

Usage Example

from sharepoint_graph_client import SharePointGraphClient
from config import Config
import requests

# Initialize client and get authentication token
config = Config()
client = SharePointGraphClient(config)
access_token = client.get_access_token()

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

# Run diagnostic exploration
explore_alternative_endpoints(client, headers)

# Output will show:
# - Test results for each endpoint
# - Number of folders and files found
# - Names of discovered folders
# - Search results for expected folders

Best Practices

• Ensure the client object has valid site_id and drive_id attributes before calling this function
• Verify that the access token in headers is not expired before calling
• This function is intended for diagnostic purposes and should not be used in production code paths
• The search_for_folders function must be defined or imported in the same scope
• Handle potential network timeouts by wrapping the call in appropriate error handling
• Be aware that this function makes multiple API calls which may count against rate limits
• The function prints directly to stdout, so redirect output if logging to files is needed
• Consider the permissions required for the Microsoft Graph API endpoints being tested

Tags

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