CkPython Requires Chilkat v11.0.0+

List Files and Folders in a SharePoint Documents Library

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This example shows how to use Chilkat's HttpCurl class to list the files and folders in the root of a SharePoint Documents document library. In Microsoft Graph, a SharePoint document library is represented as a drive. The example demonstrates how HttpCurl automatically resolves the SharePoint site name to a site ID, finds the drive ID for the Documents library, and then retrieves the children of the library's root folder.

CkPython

import sys
import chilkat

success = False

#  This example lists the files and folders in the root of the SharePoint
#  Documents document library.
#  
#  In Microsoft Graph terminology, a SharePoint document library is represented
#  as a "drive".  The default document library is commonly named "Documents".
#  This example shows how HttpCurl can automatically resolve the needed values:
#  
#    site_name  ->  site_id
#    site_id    ->  document_library_id
#  
#  After those values are known, the final request lists the children of the
#  root folder in the Documents document library.

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 curl commands using
#  {{variable_name}} substitution syntax.
curl.SetVar("sharepoint_hostname","example.sharepoint.com")
curl.SetVar("site_name","test")

#  The final request needs a Microsoft Graph site ID.
#  
#  Because the application only knows the SharePoint site name,
#  define a helper function that can retrieve the site record.
#  HttpCurl can execute this function automatically when it needs
#  to resolve the site_id variable.
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".
curl.AddOutput("getSite","id","site_id")

#  The next value needed is the drive ID for the Documents document library.
#  
#  This function lists the drives, also known as document libraries,
#  belonging to the SharePoint site.
curl.AddFunction("getDrives","GET https://graph.microsoft.com/v1.0/sites/{{site_id}}/drives")

#  Extract the ID of the drive whose name is "Documents".
#  
#  AddOutput2 searches an array in the JSON response.  In this case:
#  
#    response array: value
#    match field:    name
#    match value:    Documents
#    case-sensitive: true
#    output field:   id
#    variable name:  document_library_id
#  
#  The result is that document_library_id will contain the drive ID
#  for the Documents document library.
curl.AddOutput2("getDrives","value","name","Documents",True,"id","document_library_id")

#  The target Microsoft Graph request:
#  
#  GET https://graph.microsoft.com/v1.0/sites/{{site_id}}/drives/{{document_library_id}}/root/children
#  
#  This lists the files and folders in the root folder of the Documents
#  document library.
#  
#  The {{site_id}} and {{document_library_id}} variables are not set directly
#  by this program.  HttpCurl resolves them automatically by running the
#  helper functions defined above.
curlCommand = "GET https://graph.microsoft.com/v1.0/sites/{{site_id}}/drives/{{document_library_id}}/root/children"

#  Execute the request.
#  
#  HttpCurl examines the target request and determines that it requires
#  both site_id and document_library_id.
#  
#  The execution plan becomes:
#  
#    1) Execute getSite to obtain site_id.
#    2) Execute getDrives to obtain document_library_id.
#    3) Substitute both variables into the target request.
#    4) Execute the root/children request.
#  
#  The final HTTP response returned by DoYourThing is always the response
#  from the target request, 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, site lookup, or document library 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 represents one file or folder in the root of the
#  Documents document library.
json = chilkat.CkJsonObject()
json.put_EmitCompact(False)
curl.GetResponseJson(json)
print(json.emit())
print("")

#  Count the number of items returned in the "value" array.
#  
#  This includes both files and folders.
numFiles = json.SizeOfArray("value")
print("Number of files: " + str(numFiles))
print("")

#  Iterate over the files and folders returned by Microsoft Graph
#  and display selected properties for each item.
i = 0
while i < numFiles :
    json.put_I(i)

    print("name: " + json.stringOf("value[i].name"))
    print("webUrl: " + json.stringOf("value[i].webUrl"))
    print("size: " + json.stringOf("value[i].size"))
    print("id: " + json.stringOf("value[i].id"))
    print("-")
    i = i + 1