Delete tools/telemetry.

tools/telemetry/third_party/altgraph/doc/dot.rst

Index: tools/telemetry/third_party/altgraph/doc/dot.rst
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-:mod:`altgraph.Dot` --- Interface to the dot language
-=====================================================
-
-.. module:: altgraph.Dot
-   :synopsis: Interface to the dot language as used by Graphviz..
-
-The :py:mod:`~altgraph.Dot` module provides a simple interface to the
-file format used in the `graphviz`_ program. The module is intended to 
-offload the most tedious part of the process (the **dot** file generation) 
-while transparently exposing most of its features.
-
-.. _`graphviz`: <http://www.research.att.com/sw/tools/graphviz/>`_
-
-To display the graphs or to generate image files the `graphviz`_
-package needs to be installed on the system, moreover the :command:`dot` and :command:`dotty` programs must
-be accesible in the program path so that they can be ran from processes spawned
-within the module. 
-
-Example usage
--------------
-
-Here is a typical usage::
-
-    from altgraph import Graph, Dot
-
-    # create a graph
-    edges = [ (1,2), (1,3), (3,4), (3,5), (4,5), (5,4) ]
-    graph = Graph.Graph(edges)
-    
-    # create a dot representation of the graph
-    dot = Dot.Dot(graph)
-
-    # display the graph
-    dot.display()
-
-    # save the dot representation into the mydot.dot file
-    dot.save_dot(file_name='mydot.dot')
-
-    # save dot file as gif image into the graph.gif file
-    dot.save_img(file_name='graph', file_type='gif')
-
-
-Directed graph and non-directed graph
--------------------------------------
-
-Dot class can use for both directed graph and non-directed graph
-by passing *graphtype* parameter.
-
-Example::
-
-    # create directed graph(default)
-    dot = Dot.Dot(graph, graphtype="digraph")
-
-    # create non-directed graph
-    dot = Dot.Dot(graph, graphtype="graph")
-
-
-Customizing the output
-----------------------
-
-The graph drawing process may be customized by passing
-valid :command:`dot` parameters for the nodes and edges. For a list of all
-parameters see the `graphviz`_ documentation.
-
-Example::
-
-    # customizing the way the overall graph is drawn
-    dot.style(size='10,10', rankdir='RL', page='5, 5' , ranksep=0.75)
-
-    # customizing node drawing
-    dot.node_style(1, label='BASE_NODE',shape='box', color='blue' )
-    dot.node_style(2, style='filled', fillcolor='red')
-
-    # customizing edge drawing
-    dot.edge_style(1, 2, style='dotted')
-    dot.edge_style(3, 5, arrowhead='dot', label='binds', labelangle='90')
-    dot.edge_style(4, 5, arrowsize=2, style='bold')
-
-
-    .. note:: 
-       
-       dotty (invoked via :py:func:`~altgraph.Dot.display`) may not be able to
-       display all graphics styles. To verify the output save it to an image 
-       file and look at it that way.
-
-Valid attributes
-----------------
-
-- dot styles, passed via the :py:meth:`Dot.style` method::
-
-    rankdir = 'LR'   (draws the graph horizontally, left to right)
-    ranksep = number (rank separation in inches)
-
-- node attributes, passed via the :py:meth:`Dot.node_style` method::
-
-     style = 'filled' | 'invisible' | 'diagonals' | 'rounded'
-     shape = 'box' | 'ellipse' | 'circle' | 'point' | 'triangle'
-
-- edge attributes, passed via the :py:meth:`Dot.edge_style` method::
-
-     style     = 'dashed' | 'dotted' | 'solid' | 'invis' | 'bold'
-     arrowhead = 'box' | 'crow' | 'diamond' | 'dot' | 'inv' | 'none' | 'tee' | 'vee'
-     weight    = number (the larger the number the closer the nodes will be)
-
-- valid `graphviz colors <http://www.research.att.com/~erg/graphviz/info/colors.html>`_
-
-- for more details on how to control the graph drawing process see the 
-  `graphviz reference <http://www.research.att.com/sw/tools/graphviz/refs.html>`_.
-
-
-Class interface
----------------
-
-.. class:: Dot(graph[, nodes[, edgefn[, nodevisitor[, edgevisitor[, name[, dot[, dotty[, neato[, graphtype]]]]]]]]])
-
-  Creates a new Dot generator based on the specified 
-  :class:`Graph <altgraph.Graph.Graph>`.  The Dot generator won't reference
-  the *graph* once it is constructed.
-
-  If the *nodes* argument is present it is the list of nodes to include
-  in the graph, otherwise all nodes in *graph* are included.
-  
-  If the *edgefn* argument is present it is a function that yields the
-  nodes connected to another node, this defaults to 
-  :meth:`graph.out_nbr <altgraph.Graph.Graph.out_nbr>`. The constructor won't
-  add edges to the dot file unless both the head and tail of the edge
-  are in *nodes*.
-
-  If the *name* is present it specifies the name of the graph in the resulting
-  dot file. The default is ``"G"``.
-
-  The functions *nodevisitor* and *edgevisitor* return the default style
-  for a given edge or node (both default to functions that return an empty
-  style).
-
-  The arguments *dot*, *dotty* and *neato* are used to pass the path to 
-  the corresponding `graphviz`_ command.
-
-
-Updating graph attributes
-.........................
-
-.. method:: Dot.style(\**attr)
-
-   Sets the overall style (graph attributes) to the given attributes.
-
-   See `Valid Attributes`_ for more information about the attributes.
-
-.. method:: Dot.node_style(node, \**attr)
-
-   Sets the style for *node* to the given attributes.
-
-   This method will add *node* to the graph when it isn't already 
-   present.
-
-   See `Valid Attributes`_ for more information about the attributes.
-
-.. method:: Dot.all_node_style(\**attr)
-
-   Replaces the current style for all nodes
-
-
-.. method:: edge_style(head, tail, \**attr)
-
-   Sets the style of an edge to the given attributes. The edge will
-   be added to the graph when it isn't already present, but *head*
-   and *tail* must both be valid nodes.
-
-   See `Valid Attributes`_ for more information about the attributes.
-
-
-
-Emitting output
-...............
-
-.. method:: Dot.display([mode])
-
-   Displays the current graph via dotty.
-
-   If the *mode* is ``"neato"`` the dot file is processed with
-   the neato command before displaying.
-
-   This method won't return until the dotty command exits.
-
-.. method:: save_dot(filename)
-
-   Saves the current graph representation into the given file.
-
-   .. note::
-
-       For backward compatibility reasons this method can also
-       be called without an argument, it will then write the graph
-       into a fixed filename (present in the attribute :data:`Graph.temp_dot`).
-
-       This feature is deprecated and should not be used.
-
-
-.. method:: save_image(file_name[, file_type[, mode]])
-
-   Saves the current graph representation as an image file. The output
-   is written into a file whose basename is *file_name* and whose suffix
-   is *file_type*.
-
-   The *file_type* specifies the type of file to write, the default
-   is ``"gif"``.
-
-   If the *mode* is ``"neato"`` the dot file is processed with
-   the neato command before displaying.
-
-   .. note::
-
-       For backward compatibility reasons this method can also
-       be called without an argument, it will then write the graph
-       with a fixed basename (``"out"``).
-
-       This feature is deprecated and should not be used.
-
-.. method:: iterdot()
-
-   Yields all lines of a `graphviz`_ input file (including line endings).
-
-.. method:: __iter__()
-
-   Alias for the :meth:`iterdot` method.