============== Dependencies ============== Malevich provides a package manager service just like ``pip`` or ``npm``. Each :doc:`app ` that can be run with Malevich can be installed into the current environment and got manifested in the project. Once a package is installed, Malevich creates a *stub module* in the ``malevich`` module. The stub contains Python objects that can be imported and used within :doc:`Flows `. ---------- Installers ---------- A Malevich depedency can be installed in different ways. Currently, two ways are provided: Install from Image ++++++++++++++++++ An app can be installed directly from Docker image. The image should be pushed to any of image repositories including private ones. Image-based apps can be only used when deployed directly on Core. To install with image use the following command: .. code-block:: console malevich use image [IMAGE_AUTH_USER] [IMAGE_AUTH_PASSWORD] Image installer does not require any authorization besides credentials required to access Docker image (in case the image is pushed to a private repository). Install from Space +++++++++++++++++++ .. important:: Installation using Space requires the project to be connected to a `Space `_ account. To connect use the following command: .. code-block:: console malevich space login Apps installed with Space can be deployed both on Core directly or via Space To install with Space, use the following command: .. code-block:: console malevich use space [OPTIONS] PACKAGE_NAME REVERSE_ID [BRANCH] [VERSION] Automatic Installation ++++++++++++++++++++++ Malevich provides an extensive library of public components that can be installed in your environment. The easiest way to install a public component is to use ``malevich install `` command: .. code-block:: console malevich install utility openai By default, Space installer is utilized. To use the image installer, use: .. code-block:: console malevich install utility openai --using image Python Environment ++++++++++++++++++ Malevich is not managing Python environment. It installs apps into the activated Python environment. Once the environment is changed, you may restore dependencies stated in manifest with ``malevich restore``. To show a list of installed apps, you may use ``malevich list``.