Getting started with the API¶
python-gitlab only supports GitLab APIs v4.
gitlab.Gitlab class¶
To connect to a GitLab server, create a gitlab.Gitlab object:
You can also use configuration files to create gitlab.Gitlab objects:
See the Configuration section for more information about configuration files.
Warning
If the GitLab server you are using redirects requests from http to https, make sure to use the https:// protocol in the URL definition.
Note on password authentication¶
The /session API endpoint used for username/password authentication has been removed from GitLab in version 10.2, and is not available on gitlab.com anymore. Personal token authentication is the preferred authentication method.
If you need username/password authentication, you can use cookie-based authentication. You can use the web UI form to authenticate, retrieve cookies, and then use a custom requests.Session object to connect to the GitLab API. The following code snippet demonstrates how to automate this: https://gist.github.com/gpocentek/bd4c3fbf8a6ce226ebddc4aad6b46c0a.
See issue 380 for a detailed discussion.
Managers¶
The gitlab.Gitlab class provides managers to access the GitLab resources. Each manager provides a set of methods to act on the resources. The available methods depend on the resource type.
Examples:
You can list the mandatory and optional attributes for object creation and update with the manager’s get_create_attrs() and get_update_attrs() methods. They return 2 tuples, the first one is the list of mandatory attributes, the second one is the list of optional attribute:
The attributes of objects are defined upon object creation, and depend on the GitLab API itself. To list the available information associated with an object use the attributes attribute:
Some objects also provide managers to access related GitLab resources:
python-gitlab allows to send any data to the GitLab server when making queries. In case of invalid or missing arguments python-gitlab will raise an exception with the GitLab server error message:
You can use the query_parameters argument to send arguments that would conflict with python or python-gitlab when using them as kwargs:
Gitlab Objects¶
You can update or delete a remote object when it exists locally:
Some classes provide additional methods, allowing more actions on the GitLab resources. For example:
Base types¶
The gitlab package provides some base types.
gitlab.Gitlab is the primary class, handling the HTTP requests. It holds the GitLab URL and authentication information.
gitlab.base.RESTObject is the base class for all the GitLab v4 objects. These objects provide an abstraction for GitLab resources (projects, groups, and so on).
gitlab.base.RESTManager is the base class for v4 objects managers, providing the API to manipulate the resources and their attributes.
Lazy objects¶
To avoid useless API calls to the server you can create lazy objects. These objects are created locally using a known ID, and give access to other managers and methods.
The following example will only make one API call to the GitLab server to star a project (the previous example used 2 API calls):
Pagination¶
You can use pagination to iterate over long lists. All the Gitlab objects listing methods support the page and per_page parameters:
Warning
The first page is page 1, not page 0.
By default GitLab does not return the complete list of items. Use the all parameter to get all the items when using listing methods:
You can define the per_page value globally to avoid passing it to every list() method call:
list() methods can also return a generator object which will handle the next calls to the API when required. This is the recommended way to iterate through a large number of items:
The generator exposes extra listing information as received from the server:
current_page: current page number (first page is 1)
prev_page: if None the current page is the first one
next_page: if None the current page is the last one
per_page: number of items per page
total_pages: total number of pages available
total: total number of items in the list
Sudo¶
If you have the administrator status, you can use sudo to act as another user. For example:
Advanced HTTP configuration¶
python-gitlab relies on requests Session objects to perform all the HTTP requests to the Gitlab servers.
You can provide your own Session object with custom configuration when you create a Gitlab object.
Context manager¶
You can use Gitlab objects as context managers. This makes sure that the requests.Session object associated with a Gitlab instance is always properly closed when you exit a with block:
Warning
The context manager will also close the custom Session object you might have used to build the Gitlab instance.
Proxy configuration¶
The following sample illustrates how to define a proxy configuration when using python-gitlab:
Reference: http://docs.python-requests.org/en/master/user/advanced/#proxies
Client side certificate¶
The following sample illustrates how to use a client-side certificate:
Reference: http://docs.python-requests.org/en/master/user/advanced/#client-side-certificates
Rate limits¶
python-gitlab obeys the rate limit of the GitLab server by default. On receiving a 429 response (Too Many Requests), python-gitlab sleeps for the amount of time in the Retry-After header that GitLab sends back. If GitLab does not return a response with the Retry-After header, python-gitlab will perform an exponential backoff.
If you don’t want to wait, you can disable the rate-limiting feature, by supplying the obey_rate_limit argument.
If you do not disable the rate-limiting feature, you can supply a custom value for max_retries; by default, this is set to 10. To retry without bound when throttled, you can set this parameter to -1. This parameter is ignored if obey_rate_limit is set to False.
Warning
You will get an Exception, if you then go over the rate limit of your GitLab instance.