Source code for asdf._convenience

"""
Implementation of the asdf.info(...) function.  This is just a thin wrapper
around _display module code.
"""
import pathlib
from contextlib import contextmanager

from ._display import DEFAULT_MAX_COLS, DEFAULT_MAX_ROWS, DEFAULT_SHOW_VALUES, render_tree
from .asdf import AsdfFile, open_asdf

__all__ = ["info"]


[docs]def info(node_or_path, max_rows=DEFAULT_MAX_ROWS, max_cols=DEFAULT_MAX_COLS, show_values=DEFAULT_SHOW_VALUES): """ Print a rendering of an ASDF tree or sub-tree to stdout. Parameters ---------- node_or_path : str, pathlib.Path, asdf.asdf.AsdfFile, or any ASDF tree node The tree or sub-tree to render. Strings and Path objects will first be passed to asdf.open(...). max_rows : int, tuple, or None, optional Maximum number of lines to print. Nodes that cannot be displayed will be elided with a message. If int, constrain total number of displayed lines. If tuple, constrain lines per node at the depth corresponding \ to the tuple index. If None, display all lines. max_cols : int or None, optional Maximum length of line to print. Nodes that cannot be fully displayed will be truncated with a message. If int, constrain length of displayed lines. If None, line length is unconstrained. show_values : bool, optional Set to False to disable display of primitive values in the rendered tree. """ with _manage_node(node_or_path) as node: lines = render_tree(node, max_rows=max_rows, max_cols=max_cols, show_values=show_values, identifier="root") print("\n".join(lines))
@contextmanager def _manage_node(node_or_path): if isinstance(node_or_path, str) or isinstance(node_or_path, pathlib.Path): with open_asdf(node_or_path) as af: yield af.tree else: if isinstance(node_or_path, AsdfFile): yield node_or_path.tree else: yield node_or_path