AttributeError: 'GroupProject' object has no attribute 'archive' #2549

https://python-gitlab.readthedocs.io/en/v3.14.0/faq.html#attribute-error-list
'GroupProject' object has no attribute 'archive'

<class 'gitlab.v4.objects.projects.GroupProject'> was created via a
list() call and only a subset of the data may be present. To ensure
all data is present get the object using a get(object.id) call. For
more details, see:

https://python-gitlab.readthedocs.io/en/v3.14.0/faq.html#attribute-error-list

import os
import gitlab

GIT_URL = os.getenv("GIT_URL", "your_gitlab_url")
PRIVATE_TOKEN = os.getenv("PRIVATE_TOKEN", "you_token")
client = gitlab.Gitlab(GIT_URL, private_token=PRIVATE_TOKEN)

# Define a group under which all project are the project you want to archive
group_name = 'my_group_name'
group = client.groups.get(group_name)

# Archive all projects in the group
for project in group.projects.list(get_all=True):
    # project_id = project.id
    # project_name = project.name
    # print(project_id, project_name)
    try:
        project.archive()
    except Exception as e:
        print(e)