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PlantUML diagrams preprocessor for Foliant.

Project description

# PlantUML Diagrams Preprocessor for Foliant

[PlantUML](http://plantuml.com/) is a tool to generate diagrams from plain text. This preprocessor finds PlantUML diagrams definitions in the source and converts them into images on the fly during project build.

## Installation

```bash
$ pip install foliantcontrib.plantuml
```

## Config

To enable the preprocessor, add `plantuml` to `preprocessors` section in the project config:

```yaml
preprocessors:
- plantuml
```

The preprocessor has a number of options:

```yaml
preprocessors:
- plantuml:
cache_dir: !path .diagramscache
plantuml_path: plantuml
params:
...
```

`cache_dir`
: Path to the directory with the generated diagrams. It can be a path relative to the project root or a global one; you can use `~/` shortcut.

> **Note**
>
> To save time during build, only new and modified diagrams are rendered. The generated images are cached and reused in future builds.

`plantuml_path`
: Path to PlantUML launcher. By default, it is assumed that you have the command `plantuml` in your `PATH`, but if PlantUML uses another command to launch, or if the `plantuml` launcher is installed in a custom place, you can define it here.

`params`
: Params passed to the image generation command:

preprocessors:
- plantuml:
params:
config: !path plantuml.cfg

To see the full list of params, run the command that launches PlantUML, with `-h` command line option.

## Usage

To insert a diagram definition in your Markdown source, enclose it between `<<plantuml>...</plantuml>` tags (indentation inside tags is optional):

```markdown
Here’s a diagram:

<<plantuml>
@startuml
...
@enduml
</plantuml>
```

To set a caption, use `caption` option:

```markdown
Diagram with a caption:

<<plantuml caption="Sample diagram from the official site">
@startuml
...
@enduml
</plantuml>
```

You can override `params` values from the preprocessor config for each diagram. Also you can use `format` alias for `-t*` params:

```markdown
By default, diagrams are in PNG. But this diagram is in EPS:

<<plantuml caption="Vector diagram" format="eps">
@startuml
...
@enduml
</plantuml>
```

Project details


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1.0.2

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