U d/e# @sTdZddlZddlmZddlmZddlmZdd d d gZejd d deee ej eej eej e e dfe e dddZdddddeeeeej eej eej e e dfe ed dd Zdddddeeejeeej eej eej e e dfe e d dd Zdddddeeejeeej eej eej e e dfe ed dd ZdS)zBPipe bytes, strings, or string iterators through Graphviz ``dot``.N)_tools) dot_command)executepipe pipe_string pipe_linespipe_lines_string)Zsupported_numberF)engineformatdatarenderer formatter neato_no_opquietreturnc Cs:tj|||||d}d|i}tj|fd|d|} | jS)a-Return ``data`` (``bytes``) piped through ``engine`` into ``format`` as ``bytes``. Args: engine: Layout engine for rendering (``'dot'``, ``'neato'``, ...). format: Output format for rendering (``'pdf'``, ``'png'``, ...). data: Binary (encoded) DOT source bytes to render. renderer: Output renderer (``'cairo'``, ``'gd'``, ...). formatter: Output formatter (``'cairo'``, ``'gd'``, ...). neato_no_op: Neato layout engine no-op flag. quiet: Suppress ``stderr`` output from the layout subprocess. Returns: Binary (encoded) stdout of the layout command. Raises: ValueError: If ``engine``, ``format``, ``renderer``, or ``formatter`` are unknown. graphviz.RequiredArgumentError: If ``formatter`` is given but ``renderer`` is None. graphviz.ExecutableNotFound: If the Graphviz ``dot`` executable is not found. graphviz.CalledProcessError: If the returncode (exit status) of the rendering ``dot`` subprocess is non-zero. Example: >>> doctest_mark_exe() >>> import graphviz >>> graphviz.pipe('dot', 'svg', b'graph { hello -- world }')[:14] b'>> doctest_mark_exe() >>> import graphviz >>> graphviz.pipe_string('dot', 'svg', 'graph { spam }', ... encoding='ascii')[:14] '>> doctest_mark_exe() >>> import graphviz >>> graphviz.pipe_lines('dot', 'svg', iter(['graph { spam }\n']), ... input_encoding='ascii')[:14] b'szpipe_lines..Trr) r r r"r#rrrrrrrrr'rr rs)) r r r"r!rrrrrc Cs<tj|||||d}||d} tj|fd|d| } | jS)aReturn ``input_lines`` piped through ``engine`` into ``format`` as string. Args: engine: Layout engine for rendering (``'dot'``, ``'neato'``, ...). format: Output format for rendering (``'pdf'``, ``'png'``, ...). input_lines: DOT source lines to render (including final newline). encoding: Encoding to en/decode subprocess stdin and stdout (required). renderer: Output renderer (``'cairo'``, ``'gd'``, ...). formatter: Output formatter (``'cairo'``, ``'gd'``, ...). neato_no_op: Neato layout engine no-op flag. quiet: Suppress ``stderr`` output from the layout subprocess. Returns: Decoded stdout of the layout command. Raises: ValueError: If ``engine``, ``format``, ``renderer``, or ``formatter`` are unknown. graphviz.RequiredArgumentError: If ``formatter`` is given but ``renderer`` is None. graphviz.ExecutableNotFound: If the Graphviz ``dot`` executable is not found. graphviz.CalledProcessError: If the returncode (exit status) of the rendering ``dot`` subprocess is non-zero. Example: >>> doctest_mark_exe() >>> import graphviz >>> graphviz.pipe_lines_string('dot', 'svg', iter(['graph { spam }\n']), ... encoding='ascii')[:14] 'sp    2  5 5