GCIP2

GCIP2 is a Python DSL for building GitLab CI/CD pipelines using strongly typed Pydantic models and a fluent builder API.

Instead of writing large YAML files, pipelines are defined in Python, validated against the official GitLab CI schema, and rendered into GitLab-compatible YAML.

Features

Strongly typed GitLab CI models
Fluent builder API
Reusable job builders
Pipeline inheritance
JSON Schema validation
Automatic YAML generation
Dynamic pipeline discovery
GitLab-compatible output

Installation

poetry add gcip2

Quick Start

Initialize a new project:

gcip2 init

This generates a minimal project structure:

.
├── ci.py
├── pyproject.toml
├── poetry.toml
├── environment.toml
└── .pre-commit-config.yaml

Generate a child pipeline:

gcip2 build-pipeline

or explicitly:

gcip2 build-pipeline \
    --ci-file ci.py \
    --out-pipeline out/pipeline.gitlab-ci.yml

Generate the root .gitlab-ci.yml:

gcip2 build-gitlab-ci

gcip2 build-gitlab-ci \
    --ci-file ci.py \
    --out-gitlab-ci .gitlab-ci.yml

Documentation

Detailed documentation is available in the docs/ directory.

Document	Description
docs/pipeline.md	Creating pipelines, jobs and workflow configuration
docs/builder.md	Pipeline builder, rendering and YAML generation
docs/pipeline_core.md	Reference for the typed GitLab CI models
CHANGELOG.md	Project changelog

Project Structure

A typical project consists of two builders:

ci.py
 ├── Pipeline(PipelineBuilderImpl)
 │      └── generates:
 │          out/pipeline.gitlab-ci.yml
 │
 └── GitlabCi(GitlabCiBuilderImpl)
        └── generates:
            .gitlab-ci.yml

Pipeline defines the reusable downstream pipeline, while GitlabCi defines the repository's root GitLab CI configuration.

CLI

Initialize a project:

gcip2 init

Force regeneration of template files:

gcip2 init --force

Build a child pipeline:

gcip2 build-pipeline

Build the repository .gitlab-ci.yml:

gcip2 build-gitlab-ci

Validation

Generated pipelines can be validated against the bundled GitLab JSON schema before rendering.

External Links

JSON Schema: https://json-schema.org/draft-07/json-schema-release-notes#keywords
GitLab Pipeline Schema: https://gitlab.com/gitlab-org/gitlab-foss/-/raw/master/app/assets/javascripts/editor/schema/ci.json
GitLab CI Documentation: https://docs.gitlab.com/ci/pipeline_editor/#view-full-configuration

License

LICENCE.md

Release files for gcip2 0.0.12

For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.

Source distribution (sdist)

Source distribution for gcip2 0.0.12
File	Size	Uploaded
gcip2-0.0.12.tar.gz	34.0 kB	Aug 2, 2026	Details

Built distribution (wheel)

Table of built distributions (wheels) for gcip2 0.0.12
File	Interpreter	ABI	Platform	Reset
gcip2-0.0.12-py3-none-any.whl 41.1 kB Aug 2, 2026	Python 3	none	any	Details

Total release size: 75.1 kB

Release files / gcip2-0.0.12.tar.gz

Download URL	gcip2-0.0.12.tar.gz
Size	34.0 kB
Tags	Source
SHA-256 checksum How to use checksums	`cdfbaf5cbe78195e3def70b948172f385579bea5ecfce1761ad08936ce405a98`
BLAKE2b-256 checksum How to use checksums	`f6c3646a301be086dfed0c473e75e85d4ad5dff8445a78480905d25aebfc2c29`
Upload date	Aug 2, 2026
Uploaded using Trusted Publishing? What is trusted publishing?	No
Uploaded via	`poetry/2.2.1 CPython/3.12.12 Linux/5.14.0-687.10.1.el9_8.0.1.x86_64`

Release files / gcip2-0.0.12-py3-none-any.whl

Download URL	gcip2-0.0.12-py3-none-any.whl
Size	41.1 kB
Tags	Python 3
SHA-256 checksum How to use checksums	`f8e6a5a62f618377b141b6404b0b63d478365eeff6284c71e93f8c785f130787`
BLAKE2b-256 checksum How to use checksums	`d106b662d9ebd02d54eaad858150c404cf04056fc4405109c7586fc6127bee41`
Upload date	Aug 2, 2026
Uploaded using Trusted Publishing? What is trusted publishing?	No
Uploaded via	`poetry/2.2.1 CPython/3.12.12 Linux/5.14.0-687.10.1.el9_8.0.1.x86_64`