Example #1
0
def export_class(cls):
    members = []
    if cls.vtable:
        members.append(SourceBlock("_polymorphism_info_ = wrappyr.runtime.PolymorphismInfo()"))

    for block in (export_constructor(cls), export_destructor(cls)):
        if block:
            members.append(block)

    for method in sorted(cls.methods.values(), key=cmp_to_key(sort_methods(lambda method: method.name))):
        members.append(export_method(cls, method))
    for member in sorted(cls.members.values(), key=lambda member: member.name):
        members.append(export_member(cls, member))

    from_c = SourceBlock()
    from_c.add_line("@staticmethod")
    from_c.add_line("def _from_c(inst, ownership = False):")
    from_c.add_line("cls = %s.__new__(%s)" % (cls.name, cls.name), 1)
    from_c.add_line("cls._inst = inst", 1)
    from_c.add_line("cls._ownership = ownership", 1)
    from_c.add_line("cls._valid = True", 1)
    from_c.add_line("return cls", 1)
    members.append(from_c)

    parent_module = cls.get_closest_parent_module()

    base_imports = []
    bases = []
    for base, num in zip(cls.bases, count()):
        base_var = "_Base%d" % num
        base_import = get_node_import(parent_module, base.type, base_var)
        base_imports.append(base_import)
        bases.append(base_var)
    bases = ", ".join(bases) if bases else "wrappyr.runtime.CPPClass"

    block = SourceBlock()
    for base_import in base_imports:
        block.add_line(base_import)
    block.add_line("class %s(%s):" % (cls.name, bases))
    block.add_block(SourceBlock("").join(members, 1))
    return block
Example #2
0
def export_module(mod, base_dir):
    is_pkg = isinstance(mod, Package)
    name = mod.name if not is_pkg else "__init__"

    blocks = []

    block = SourceBlock()
    block.add_line("from __future__ import absolute_import")
    block.add_line("import ctypes")
    block.add_line("import functools")
    block.add_line("import wrappyr.runtime")
    blocks.append(block)

    if mod.libraries:
        block = SourceBlock()
        block.add_line("_libraries = {")
        for lib in mod.libraries.values():
            block.add_line("'%s': ctypes.CDLL('%s')," % (lib.name, lib.path), 1)
        block.add_line("}")
        blocks.append(block)

    classes = sorted(mod.every_class(), key=cmp_to_key(sort_classes))
    for cls in classes:
        blocks.append(export_class(cls))

    functions = mod.every_function()
    for f in functions:
        blocks.append(export_function(f))

    for cls in classes:
        blocks.append(export_class_setup(cls))
    for f in functions:
        blocks.append(export_function_setup(f))

    block = SourceBlock("").join(blocks)
    with open(os.path.join(base_dir, "%s.py" % name), "w") as f:
        f.write(block.as_text())