Function stream2

src/ifcopenshell-python/ifcopenshell/__init__.py:327–362

Streams the content of a file path from disk, yielding each instance as a dictionary. :param path: Input file path :param mmap: Open the file contents using memory mapping :param page_size: Open file in python and feed chunks to the parser. :yield: Entity instance dictionaries

(path: Union[Path, str], mmap: bool = False, page_size: int = 0)

def stream2(path: Union[Path, str], mmap: bool = False, page_size: int = 0):
    """Streams the content of a file path from disk, yielding each instance
    as a dictionary.

    :param path: Input file path
    :param mmap: Open the file contents using memory mapping
    :param page_size: Open file in python and feed chunks to the parser.

    :yield: Entity instance dictionaries
    """
    if page_size:
        import builtins

        f = builtins.open(path, encoding="ascii")
        strm = ifcopenshell_wrapper.InstanceStreamer()
        strm.pushPage(f.read(page_size))
        finished = False
        while True:
            while strm.hasSemicolon():
                if inst := strm.readInstancePy():
                    yield inst
                else:
                    finished = True
                    break
            if finished:
                break
            else:
                if data := f.read(page_size):
                    strm.pushPage(data)
                else:
                    break
    else:
        streamer = ifcopenshell_wrapper.InstanceStreamer(str(path), mmap)
        while streamer:
            if inst := streamer.readInstancePy():
                yield inst


def stream2_from_string(data: str) -> Generator[dict]: