In [1]:

    

%%writefile diag1.txt
nwdiag {
  inet [shape = cloud];
  inet --  firewall;
    
  network dkrz1 {
      address = "210.x.x.x/24"
      firewall
      web01 [address = "210.x.x.1"];
      web02 [address = "210.x.x.2"];
  }
  network internal {
      address = "172.x.x.x/24";

      web01 [address = "172.x.x.1"];
      web02 [address = "172.x.x.2"];
      db01;
      db02;
  }
}


    

    




Writing diag1.txt

In [2]:

    

!nwdiag diag1.txt


    

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from IPython.display import display, Image, SVG


    

In [4]:

    

diag1_png = Image(filename='diag1.png')
diag1_png


    

    
Out[4]:

In [5]:

    

%%writefile block1.diag
diagram admin {
  top_page [label = "Top page"];

  foo_index [label = "List of FOOs"];
  foo_detail [label = "Detail FOO"];
  foo_add [label = "Add FOO"];
  foo_add_confirm [label = "Add FOO (confirm)"];
  foo_edit [label = "Edit FOO"];
  foo_edit_confirm [label = "Edit FOO (confirm)"];
  foo_delete_confirm [label = "Delete FOO (confirm)"];

  bar_detail [label = "Detail of BAR"];
  bar_edit [label = "Edit BAR"];
  bar_edit_confirm [label = "Edit BAR (confirm)"];

  logout;

  top_page -> foo_index;
  top_page -> bar_detail;

  foo_index -> foo_detail;
               foo_detail -> foo_edit;
               foo_detail -> foo_delete_confirm;
  foo_index -> foo_add -> foo_add_confirm -> foo_index;
  foo_index -> foo_edit -> foo_edit_confirm -> foo_index;
  foo_index -> foo_delete_confirm -> foo_index;

  bar_detail -> bar_edit -> bar_edit_confirm -> bar_detail;
}


    

    




Writing block1.diag

In [6]:

    

!blockdiag -Tsvg block1.diag


    

In [7]:

    

SVG(filename='block1.svg')


    

    
Out[7]:

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