CkPython

SharePoint List Document Libraries

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This example shows how to use Chilkat's HttpCurl class to list the document libraries in a SharePoint site. In Microsoft Graph, SharePoint document libraries are represented as drives. The example demonstrates how HttpCurl can automatically resolve a SharePoint site name to its Microsoft Graph site ID, then use that ID to retrieve and display the site's document libraries.

CkPython

import sys
import chilkat

success = False

# This example retrieves the document libraries for a SharePoint site.
# 
# In Microsoft Graph terminology, a document library is represented as a "drive".
# The example demonstrates how HttpCurl can automatically resolve a SharePoint
# site name to a site ID before requesting the site's document libraries.

success = False

# --------------------------------------------------------------------------------------------------------
# Before running this example, create an Azure App Registration and grant it
# the Microsoft Graph permissions required to access SharePoint.
# 
# The application will authenticate using OAuth2 Client Credentials.
# See:
# How to Create SharePoint App Registration for OAuth 2.0 Client Credentials
# --------------------------------------------------------------------------------------------------------

# Build a JSON authentication configuration.
# HttpCurl will use this information to automatically obtain OAuth2 access tokens.
jsonAuth = chilkat.CkJsonObject()

# Enable secret lookup.
# 
# Instead of hard-coding sensitive values such as the client ID,
# client secret, and token endpoint, secret specification strings
# are used.  Chilkat automatically retrieves the actual values from
# Windows Credential Manager (Windows) or Apple Keychain (macOS).
# 
# See:
# Secret Specification Strings
jsonAuth.put_EnableSecrets(True)

success = jsonAuth.UpdateString("oauth2.client_id","!!sharepoint|oauth2|client_id")
if (success == True):
    success = jsonAuth.UpdateString("oauth2.client_secret","!!sharepoint|oauth2|client_secret")

if (success == True):
    success = jsonAuth.UpdateString("oauth2.token_endpoint","!!sharepoint|oauth2|token_endpoint")

if (success == False):
    print(jsonAuth.lastErrorText())
    sys.exit()

# Request Microsoft Graph permissions that were granted to the application.
jsonAuth.UpdateString("oauth2.scope","https://graph.microsoft.com/.default")

# ---------------------------------------------------------------------------------------------------

curl = chilkat.CkHttpCurl()

# Associate the OAuth2 configuration with HttpCurl.
# 
# When the request is executed, Chilkat automatically obtains an access token
# if needed and adds the Authorization: Bearer header to the HTTP request.
curl.SetAuth(jsonAuth)

# Define variables whose values are already known.
# 
# These variables are referenced in the curl command using
# {{variable_name}} substitution syntax.
curl.SetVar("sharepoint_hostname","example.sharepoint.com")
curl.SetVar("site_name","test")

# The document libraries endpoint requires a Microsoft Graph site ID.
# 
# Because the application only knows the SharePoint site name,
# HttpCurl must first retrieve the corresponding site ID.
# 
# Define a function that can resolve the site_id variable when needed.
# HttpCurl may execute this function automatically if it determines that
# site_id is required by another request.
curl.AddFunction("getSite","GET https://graph.microsoft.com/v1.0/sites/root:/sites/{{site_name}}")

# Extract the "id" field from the getSite response and store it
# in the HttpCurl variable named "site_id".
# 
# Any later request that references {{site_id}} can use this value.
curl.AddOutput("getSite","id","site_id")

# The target Microsoft Graph request:
# 
# curl -X GET \"https://graph.microsoft.com/v1.0/sites/{{site_id}}/drives
# 
# This request returns the document libraries belonging to the site.
# 
# Microsoft Graph refers to document libraries as "drives",
# so each object in the response represents one document library.
# 
# No Authorization header is included because HttpCurl automatically
# adds it when OAuth2 authentication is configured.
curlCommand = "curl -X GET \"https://graph.microsoft.com/v1.0/sites/{{site_id}}/drives\""

# Execute the request.
# 
# HttpCurl examines the target curl command and determines that
# the variable {{site_id}} is required.
# 
# Because site_id is not yet known, HttpCurl searches for a function
# capable of producing it.  The getSite function provides the "id"
# output, which is mapped to the site_id variable.
# 
# The execution plan becomes:
# 
#   1) Execute getSite to obtain site_id.
#   2) Substitute {{site_id}} into the target request.
#   3) Execute the drives request.
# 
# The final HTTP response returned by DoYourThing is always the
# response from the target curl command, which is the last step in the plan.
success = curl.DoYourThing(curlCommand)
if (success == False):
    print(curl.lastErrorText())
    sys.exit()

# A successful Graph response should return HTTP 200.
# Any other status code typically indicates an authentication,
# permission, or resource lookup error.
statusCode = curl.get_StatusCode()
if (statusCode != 200):
    print(curl.responseBodyStr())
    print("status code = " + str(statusCode))
    sys.exit()

# The response body contains a JSON array named "value".
# Each element of the array describes a SharePoint document library.
json = chilkat.CkJsonObject()
json.put_EmitCompact(False)
curl.GetResponseJson(json)
print(json.emit())

# Iterate over the document libraries returned by Microsoft Graph
# and display selected properties for each library.
i = 0
numDrives = json.SizeOfArray("value")
while i < numDrives :
    json.put_I(i)
    print("name: " + json.stringOf("value[i].name"))
    print("description: " + json.stringOf("value[i].description"))
    print("id: " + json.stringOf("value[i].id"))
    print("webUrl: " + json.stringOf("value[i].webUrl"))
    print("displayName: " + json.stringOf("value[i].createdBy.user.displayName"))
    print("-")
    i = i + 1

print("Success.")