Function run_pymodules_install

pythonforandroid/build.py:822–943

This function will take care of all non-recipe things, by: 1. Processing them from --requirements (the modules argument) and installing them 2. Installing the user project/app itself via setup.py if ignore_setup_py=True

(ctx, arch, modules, project_dir=None,
                          ignore_setup_py=False)

def run_pymodules_install(ctx, arch, modules, project_dir=None,
                          ignore_setup_py=False):
    """ This function will take care of all non-recipe things, by:

        1. Processing them from --requirements (the modules argument)
           and installing them

        2. Installing the user project/app itself via setup.py if
           ignore_setup_py=True

    """

    info('*** PYTHON PACKAGE / PROJECT INSTALL STAGE FOR ARCH: {} ***'.format(arch))

    modules = process_python_modules(ctx, modules, arch)

    modules = [m for m in modules if ctx.not_has_package(m, arch)]

    # We change current working directory later, so this has to be an absolute
    # path or `None` in case that we didn't supply the `project_dir` via kwargs
    project_dir = abspath(project_dir) if project_dir else None

    # Bail out if no python deps and no setup.py to process:
    if not modules and (
            ignore_setup_py or
            not project_has_setup_py(project_dir)
            ):
        info('No Python modules and no setup.py to process, skipping')
        return

    # Output messages about what we're going to do:
    if modules:
        info(
            "The requirements ({}) don\'t have recipes, attempting to "
            "install them with pip".format(', '.join(modules))
        )
        info(
            "If this fails, it may mean that the module has compiled "
            "components and needs a recipe."
        )
    if project_has_setup_py(project_dir) and not ignore_setup_py:
        info(
            "Will process project install, if it fails then the "
            "project may not be compatible for Android install."
        )

    # Use our hostpython to create the virtualenv
    host_python = sh.Command(ctx.hostpython)
    with current_directory(join(ctx.build_dir)):
        shprint(host_python, '-m', 'venv', 'venv')

        # Prepare base environment and upgrade pip:
        base_env = dict(copy.copy(os.environ))
        base_env["PYTHONPATH"] = ctx.get_site_packages_dir(arch)
        info('Upgrade pip to latest version')
        shprint(sh.bash, '-c', (
            "source venv/bin/activate && pip install -U pip"
        ), _env=copy.copy(base_env))