Revisions: get

Note: Requires authorization.

Gets a specific revision. Try it now or see an example.

Request

HTTP request

GET https://www.googleapis.com/drive/v2/files/fileId/revisions/revisionId

Parameters

Parameter name	Value	Description
Path parameters
fileId	string	The ID of the file.
revisionId	string	The ID of the revision.

Authorization

This request requires authorization with at least one of the following scopes:

Scope
https://www.googleapis.com/auth/drive
https://www.googleapis.com/auth/drive.file
https://www.googleapis.com/auth/drive.readonly
https://www.googleapis.com/auth/drive.metadata.readonly
https://www.googleapis.com/auth/drive.appdata
https://www.googleapis.com/auth/drive.metadata
https://www.googleapis.com/auth/drive.photos.readonly

Some scopes are restricted and require a security assessment for your app to use them. For more information, see the authentication and authorization page.

Request body

Do not supply a request body with this method.

Response

If successful, this method returns a Revisions resource in the response body.

Examples

Note: The code examples available for this method do not represent all supported programming languages (see the client libraries page for a list of supported languages).

Java

Uses the Java client library.

import com.google.api.services.drive.Drive;
import com.google.api.services.drive.model.Revision;

import java.io.IOException;
// ...

public class MyClass {

  // ...

  /**
   * Print information about the specified revision.
   *
   * @param service Drive API service instance.
   * @param fileId ID of the file to print revision for.
   * @param revisionId ID of the revision to print.
   */
  private static void printRevision(Drive service, String fileId,
      String revisionId) {
    try {
      Revision revision = service.revisions().get(
          fileId, revisionId).execute();

      System.out.println("Revision ID: " + revision.getId());
      System.out.println("Modified Date: " + revision.getModifiedDate());
      if (revision.getPinned()) {
        System.out.println("This revision is pinned");
      }
    } catch (IOException e) {
      System.out.println("An error occurred: " + e);
    }
  }

  // ...

}

.NET

Uses the .NET client library.

using Google.Apis.Drive.v2;
using Google.Apis.Drive.v2.Data;

using System.Net;
// ...

public class MyClass {

  // ...

  /// <summary>Print information about the specified revision.</summary>
  /// <param name="service">Drive API service instance.</param>
  /// <param name="fileId">ID of the file to print revision for.</param>
  /// <param name="revisionId">ID of the revision to print.</param>
  public static void PrintRevision(DriveService service, String fileId,
      String revisionId) {
    try {
      Revision revision = service.Revisions.Get(fileId, revisionId).Execute();

      Console.WriteLine("Revision ID: " + revision.Id);
      Console.WriteLine("Modified Date: " + revision.ModifiedDate);
      if (revision.Pinned.HasValue && (bool)revision.Pinned) {
        Console.WriteLine("This revision is pinned");
      }
    } catch (Exception e) {
      Console.WriteLine("An error occurred: " + e.Message);
    }
  }

  // ...

}

PHP

Uses the PHP client library.

/**
 * Print information about the specified revision.
 *
 * @param Google_Service_Drive $service Drive API service instance.
 * @param String $fileId ID of the file to print revision for.
 * @param String $revisionId ID of the revision to print.
 */
function printRevision($service, $fileId, $revisionId) {
  try {
    $revision = $service->revisions->get($fileId, $revisionId);

    print "Revision ID: " . $revision->getId();
    print "Modified Date: " . $revision->getModifiedDate();
    if ($revision->getPinned()) {
      print "This revision is pinned";
    }
  } catch (Exception $e) {
    print "An error occurred: " . $e->getMessage();
  }
}

Python

Uses the Python client library.

from apiclient import errors
# ...

def print_revision(service, file_id, revision_id):
  """Print information about the specified revision.

  Args:
    service: Drive API service instance.
    file_id: ID of the file to print revision for.
    revision_id: ID of the revision to print.
  """
  try:
    revision = service.revisions().get(
        fileId=file_id, revisionId=revision_id).execute()

    print 'Revision ID: %s' % revision['id']
    print 'Modified Date: %s' % revision['modifiedDate']
    if revision.get('pinned'):
      print 'This revision is pinned'
  except errors.HttpError, error:
    print 'An error occurred: %s' % error

JavaScript

Uses the JavaScript client library.

/**
 * Print information about the specified revision.
 *
 * @param {String} fileId ID of the file to print revision for.
 * @param {String} revisionId ID of the revision to print.
 */
function printRevision(fileId, revisionId) {
  var request = gapi.client.drive.revisions.get({
    'fileId': fileId,
    'revisionId': revisionId
  });
  request.execute(function(resp) {
    console.log('Revision ID: ' + resp.id);
    console.log('Modified Date: ' + resp.modifiedDate);
    if (resp.pinned) {
      console.log('This revision is pinned');
    }
  });
}

Go

Uses the Go client library.

import (
  "google.golang.org/drive/v2"
  "fmt"
)

// PrintRevision prints a given revision of a given file
func PrintRevision(d *drive.Service, fileId string, revisionId string) error {
  r, err := d.Revisions.Get(fileId, revisionId).Do()
  if err != nil {
    fmt.Printf("An error occurred: %v\n", err)
    return err
  }
  fmt.Printf("Revision ID: %v", r.Id)
  fmt.Printf("Revision modified Date: %v", r.ModifiedDate)
  if r.Pinned {
    fmt.Printf("Revision is pinned")
  }
  return nil
}

Objective-C

Uses the Objective-C client library.

#import "GTLDrive.h"
// ...

+ (void)printRevisionWithService:(GTLServiceDrive *)service
                          fileId:(NSString *)fileId
                      revisionId:(NSString *)revisionId {
  GTLQueryDrive *query =
    [GTLQueryDrive queryForRevisionsGetWithFileId:fileId
                                       revisionId:revisionId];
  // queryTicket can be used to track the status of the request.
  GTLServiceTicket *queryTicket =
    [service executeQuery:query
        completionHandler:^(GTLServiceTicket *ticket, GTLDriveRevision *revision,
                            NSError *error) {
          if (error == nil) {
            NSLog(@"Revision ID: %@", revision.identifier);
            NSLog(@"Modified Date: %@", revision.modifiedDate.stringValue);
            if ([revision.pinned boolValue]) {
              NSLog(@"This revision is pinned");
            }
          } else {
            NSLog(@"An error occurred: %@", error);
          }
        }];
}

// ...

Try it!

Use the APIs Explorer below to call this method on live data and see the response.