CreateView.dot

digraph CreateView {

    // Basic graph, node, and edge styling.
    splines="true";
    ranksep=0.5;
    node [shape="box", style="rounded" fontsize="11", height="0.4", fontname="MetaPro"];
    edge [headport="n"];

    // Graph title - \G means "title of the graph"; the \ns are the only way
    // I can find to visuall separate the title from the rest of the graph.
    label="\G\n\n";
    labelloc="t";
    fontname="MetaPro-Bold";
    fontsize=16;


    // Styling and labels for the "links" (visually, not really) to the the "get
    // form" and "render page" subgraphs. There are essentially "fake" nodes
    // (formflow_get, renderflow_post, etc) which serve as terminal points
    // visually; the actual subflows themselves then get stacked side by side.
    subgraph subflows {
        node [style="dashed", shape="circle", fontname="MetaPro-BookItalic", width=0.75, fixedsize=true];
        formflow_get    [label="get\nform"];
        formflow_post   [label="get\nform"];
        formflow        [label="get\nform"];
        renderflow_get  [label="render\npage"];
        renderflow_post [label="render\npage"];
        renderflow      [label="render\npage"];
    }

    // The "main" flow - method, get/post, form handling.
    subgraph main {
        // dispatch -> Http method?
        dispatch -> ifmethod;
        dispatch [style="bold"];
        ifmethod [label="Http\nmethod?", shape="diamond", style=""]

        // method not allowed
        ifmethod -> http_method_not_allowed [color="grey"];
        http_method_not_allowed [color="grey", fontcolor="grey"];

        // get flow: get the form, render the page
        ifmethod -> get;
        get:s -> formflow_get;
        get:s -> renderflow_get;

        // post flow: get form; if valid: form_valid; if invalid: render page
        ifmethod -> post;
        post:s -> formflow_post;
        post:s -> ifvalid
        ifvalid -> form_valid;
        form_valid -> get_success_url;
        ifvalid -> form_invalid;
        form_invalid -> renderflow_post;
        ifvalid [label="form\nvalid?", shape="diamond", style=""]

        // put/post handling
        ifmethod -> put [color="grey"];
        put [color="grey", fontcolor="grey"];
        put:w -> post:e [constraint=false, color="grey"];
    }

    // the "get the form" flow
    subgraph formflow {
        edge [tailport="s"];
        formflow -> get_form_class;
        get_form_class -> get_queryset;
        formflow -> get_form;
        get_form -> get_form_kwargs;
        get_form_kwargs -> get_initial;
    }

    // the "render the page" flow
    subgraph renderflow {
        edge [tailport="s"];
        renderflow -> get_context_data;
        get_context_data -> get_context_object_name;
        renderflow -> render_to_response;
        render_to_response -> get_template_names;
    }

}

ListView.dot

digraph ListView {
    // Basic graph, node, and edge styling.
    rankdir="LR";
    splines="true";
    concentrate=true;
    ranksep=0.6;
    node [shape="box", style="rounded" fontsize="11", height="0.4", fontname="MetaPro"];
    edge [headport="w", tailport="e"];

    // Graph title - \G means "title of the graph"; the \ns are the only way
    // I can find to visuall separate the title from the rest of the graph.
    label="\G\n\n";
    labelloc="t";
    fontname="MetaPro-Bold";
    fontsize=16;

    // dispatch -> Http method?
    dispatch -> ifmethod;
    dispatch [style="bold"];
    ifmethod [label="Http\nmethod?", shape="diamond", style=""]

    // method not allowed
    subgraph not_allowed {
        node [color="grey", fontcolor="grey"];
        rank=same;
        ifmethod:s -> http_method_not_allowed:n [color="grey"];
    }

    ifmethod -> get;
    get -> get_queryset;
    get -> get_allow_empty;
    get -> get_context_data;
    get_context_data -> get_paginate_by;
    get_context_data -> get_context_object_name;
    get_context_data -> paginate_queryset;
    paginate_queryset -> get_paginator;
    get -> render_to_response;
    render_to_response -> get_template_names;

}

RedirectView.dot

digraph RedirectView {
    // Basic graph options
    rankdir="LR";
    splines="true";
    concentrate="true";
    ranksep="0.6";

    // Graph title - \G means "title of the graph"; the \ns are the only way
    // I can find to visuall separate the title from the rest of the graph.
    label="\G\n\n";
    labelloc="t";
    fontname="MetaPro-Bold";
    fontsize=16;

    node [shape="box", style="rounded" fontsize="11", height="0.4", fontname="MetaPro"];

    // Control the grouping of the not-allowed / other methods nodes.
    // This is a bit hackish, but it makes them show up in the same rank (column)
    // which is most readable. This has to come before dispatch so that the
    // order works out correctly.
    http_method_not_allowed; ifmethod; other;
    subgraph httpmethods {
        rank="same";
        ifmethod -> http_method_not_allowed [constraint="false", color="grey"];
        ifmethod -> other [color="grey"];
        other [label="delete/head/\noptions/post/put", color="grey", fontcolor="grey"];
        http_method_not_allowed [color="grey", fontcolor="grey"];
    }
    other:e -> get:s [constraint="false", color="grey"];

    // dispatch -> Http method?
    dispatch -> ifmethod;
    dispatch [style="bold"];
    ifmethod [label="Http\nmethod?", shape="diamond", style=""];

    // get
    ifmethod -> get;
    get -> get_redirect_url;

}