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blockdiag generate block-diagram image file from spec-text file.

Project description

blockdiag generate block-diagram image file from spec-text file.

Features

  • Generate block-diagram from dot like text (basic feature).

  • Multilingualization for node-label (utf-8 only).

You can get some examples and generated images on tk0miya.bitbucket.org .

Setup

by easy_install

Make environment:

$ easy_install blockdiag

If you want to export as PDF format, give pdf arguments:

$ easy_install "blockdiag[pdf]"

by buildout

Make environment:

$ hg clone http://bitbucket.org/tk0miya/blockdiag
$ cd blockdiag
$ python bootstrap.py
$ bin/buildout

Copy and modify ini file. example:

$ cp <blockdiag installed path>/blockdiag/examples/simple.diag .
$ vi simple.diag

Please refer to spec-text setting sample section for the format of the simpla.diag configuration file.

spec-text setting sample

Few examples are available. You can get more examples at tk0miya.bitbucket.org .

simple.diag

simple.diag is simply define nodes and transitions by dot-like text format:

diagram admin {
  top_page -> config -> config_edit -> config_confirm -> top_page;
}

screen.diag

screen.diag is more complexly sample. diaglam nodes have a alternative label and some transitions:

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;
}

Usage

Execute blockdiag command:

$ blockdiag simple.diag
$ ls simple.png
simple.png

Requirements

  • Python 2.4 or later (not support 3.x)

  • Python Imaging Library 1.1.6 or later.

  • funcparserlib 0.3.4 or later.

  • setuptools or distriubte.

License

Python Software Foundation License.

History

0.6.7 (2011-02-12)

  • Change noderenderer interface to new style

  • Render dashed ellipse more clearly (contributed by @cocoatomo)

  • Support PDF exporting

0.6.6 (2011-01-31)

  • Support diagram.shape_namespace

  • Add new node shapes; mail, cloud, beginpoint, endpoint, minidiamond, actor

  • Support plug-in structure to install node shapes

  • Fix bugs

0.6.5 (2011-01-18)

  • Support node shape (experimental)

0.6.4 (2011-01-17)

  • Fix bugs

0.6.3 (2011-01-15)

  • Fix bugs

0.6.2 (2011-01-08)

  • Fix bugs

0.6.1 (2011-01-07)

  • Implement ‘folded’ attribute for edge

  • Refactor layout engine

0.6 (2011-01-02)

  • Support nested groups.

0.5.5 (2010-12-24)

  • Specify direction of edges as syntax (->, –, <-, <->)

  • Fix bugs.

0.5.4 (2010-12-23)

  • Remove debug codes.

0.5.3 (2010-12-23)

  • Support NodeGroup.label.

  • Implement –separate option (experimental)

  • Fix right-up edge overrapped on other nodes.

  • Support configration file: .blockdiagrc

0.5.2 (2010-11-06)

  • Fix unicode errors for UTF-8’ed SVG exportion.

  • Refactoring codes for running on GAE.

0.5.1 (2010-10-26)

  • Fix license text on diagparser.py

  • Update layout engine.

0.5 (2010-10-15)

  • Support background-image of node (SVG)

  • Support labels for edge.

  • Fix bugs.

0.4.2 (2010-10-10)

  • Support background-color of node groups.

  • Draw edge has jumped at edge’s cross-points.

  • Fix bugs.

0.4.1 (2010-10-07)

  • Fix bugs.

0.4 (2010-10-07)

  • Support SVG exporting.

  • Support dashed edge drawing.

  • Support background image of nodes (PNG only)

0.3.1 (2010-09-29)

  • Fasten anti-alias process.

  • Fix text was broken on windows.

0.3 (2010-09-26)

  • Add –antialias option.

  • Fix bugs.

0.2.2 (2010-09-25)

  • Fix edge bugs.

0.2.1 (2010-09-25)

  • Fix bugs.

  • Fix package style.

0.2 (2010-09-23)

  • Update layout engine.

  • Support group { … } sentence for create Node-Groups.

  • Support numbered badge on node (cf. A [numbered = 5])

0.1 (2010-09-20)

  • first release

Todos

Functionals

  • Add new node shape (end-point (mini circle), mini diamond, mini double circle, etc.)

  • Support other block diagram structure.

Known Issues

  • Fix some experimental features.

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