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A class that stores parameters required for a SharePoint list to communicate with its external data source, inheriting from ClientValue.

Purpose

ListDataSource is a data container class used in the Office365 SharePoint API to encapsulate configuration and connection parameters needed when a SharePoint list connects to an external data source. It serves as a client-side value object that can be serialized and sent to SharePoint services to establish or manage external data connections for lists. This class is part of the Office365 REST API Python client library and is used when working with Business Connectivity Services (BCS) or other external data integration scenarios in SharePoint.

Source Code

class ListDataSource(ClientValue):
    """Stores the parameters required for a list to communicate with its external data source."""

Parameters

Parameter Details

__init__: The constructor parameters are not explicitly defined in the provided code snippet. As it inherits from ClientValue, it likely accepts keyword arguments that correspond to the properties of a SharePoint list data source configuration, such as connection strings, entity names, or data source types. The exact parameters would be defined by the parent ClientValue class initialization pattern.

Return Value

Instantiating ListDataSource returns an instance of the class that represents a list data source configuration. The object itself doesn't return values but serves as a data transfer object (DTO) that can be used with SharePoint list operations. Methods inherited from ClientValue may return serialized representations of the object for API communication.

Class Interface

Methods

Attributes

Dependencies

• office365

Required Imports

from office365.runtime.client_value import ClientValue
from office365.sharepoint.listitems.listitem import ListDataSource

Usage Example

from office365.runtime.client_value import ClientValue
from office365.sharepoint.listitems.listitem import ListDataSource
from office365.runtime.auth.authentication_context import AuthenticationContext
from office365.sharepoint.client_context import ClientContext

# Setup SharePoint context
site_url = 'https://yourtenant.sharepoint.com/sites/yoursite'
username = 'user@yourtenant.onmicrosoft.com'
password = 'yourpassword'

ctx_auth = AuthenticationContext(site_url)
if ctx_auth.acquire_token_for_user(username, password):
    ctx = ClientContext(site_url, ctx_auth)
    
    # Create a ListDataSource instance
    data_source = ListDataSource()
    # Configure data source properties as needed
    # data_source.set_property('PropertyName', 'value')
    
    # Use with a SharePoint list
    target_list = ctx.web.lists.get_by_title('MyList')
    # Associate data source with list operations
    target_list.execute_query()
else:
    print('Authentication failed')

Best Practices

• ListDataSource is a data container class, so it should be instantiated with appropriate properties before being used with SharePoint list operations
• Always ensure proper authentication is established before creating and using ListDataSource instances
• This class inherits from ClientValue, which means it follows the Office365 library's pattern for serializable client-side objects
• Properties should be set using the set_property method inherited from ClientValue or through constructor parameters
• The object is typically used in conjunction with SharePoint List objects and should not be used standalone
• Ensure that the external data source being referenced is properly configured in SharePoint before attempting to use this class
• Handle authentication failures gracefully when working with SharePoint contexts
• This class is part of a larger API ecosystem, so refer to Office365-REST-Python-Client documentation for complete usage patterns

Tags

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