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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_install_requires_odoo_addon(addon_dir, no_depends=[], depends_override={}, external_dependencies_override={}, odoo_version_override=None):
 """ Get the list of requirements for an addon """

    manifest = read_manifest(addon_dir)
    _, _, odoo_version_info = _get_version(addon_dir,
                                           manifest,
                                           odoo_version_override,
                                           git_post_version=False)
    return _get_install_requires(odoo_version_info,
                                 manifest,
                                 no_depends,
                                 depends_override,
                                 external_dependencies_override)