Function expand_dependencies

pythonforandroid/bootstrap.py:453–489

This function expands to lists of all different available alternative recipe combinations, with the dependencies added in ONLY for all the not-with-alternative recipes. (So this is like the deps graph very simplified and incomplete, but hopefully good enough for mos

(recipes, ctx)

def expand_dependencies(recipes, ctx):
    """ This function expands to lists of all different available
        alternative recipe combinations, with the dependencies added in
        ONLY for all the not-with-alternative recipes.
        (So this is like the deps graph very simplified and incomplete, but
         hopefully good enough for most basic bootstrap compatibility checks)
    """

    # Add in all the deps of recipes where there is no alternative:
    recipes_with_deps = list(recipes)
    for entry in recipes:
        if not isinstance(entry, (tuple, list)) or len(entry) == 1:
            if isinstance(entry, (tuple, list)):
                entry = entry[0]
            try:
                recipe = Recipe.get_recipe(entry, ctx)
                recipes_with_deps += recipe.depends
            except ValueError:
                # it's a pure python package without a recipe, so we
                # don't know the dependencies...skipping for now
                pass

    # Split up lists by available alternatives:
    recipe_lists = [[]]
    for recipe in recipes_with_deps:
        if isinstance(recipe, (tuple, list)):
            new_recipe_lists = []
            for alternative in recipe:
                for old_list in recipe_lists:
                    new_list = [i for i in old_list]
                    new_list.append(alternative)
                    new_recipe_lists.append(new_list)
            recipe_lists = new_recipe_lists
        else:
            for existing_list in recipe_lists:
                existing_list.append(recipe)
    return recipe_lists