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many many many Varia's websites, work in progress: https://many.vvvvvvaria.org
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91 lines
2.8 KiB
91 lines
2.8 KiB
7 years ago
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#!/usr/bin/env python
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"""Custom reST_ directive for plantuml_ integration.
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Adapted from ditaa_rst plugin.
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.. _reST: http://docutils.sourceforge.net/rst.html
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.. _plantuml: http://plantuml.sourceforge.net/
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"""
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import sys
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import os
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from docutils.nodes import image, literal_block
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from docutils.parsers.rst import Directive, directives
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from pelican import signals, logger
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from .generateUmlDiagram import generate_uml_image
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global_siteurl = "" # URL of the site, filled on plugin initialization
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class PlantUML_rst(Directive):
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""" reST directive for PlantUML """
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required_arguments = 0
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optional_arguments = 0
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has_content = True
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global global_siteurl
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option_spec = {
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'class' : directives.class_option,
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'alt' : directives.unchanged,
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'format': directives.unchanged,
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}
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def run(self):
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path = os.path.abspath(os.path.join('output', 'images'))
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if not os.path.exists(path):
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os.makedirs(path)
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nodes = []
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body = '\n'.join(self.content)
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try:
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url = global_siteurl+'/'+generate_uml_image(path, body, "png")
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except Exception as exc:
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error = self.state_machine.reporter.error(
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'Failed to run plantuml: %s' % exc,
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literal_block(self.block_text, self.block_text),
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line=self.lineno)
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nodes.append(error)
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else:
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alt = self.options.get('alt', 'uml diagram')
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classes = self.options.pop('class', ['uml'])
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imgnode = image(uri=url, classes=classes, alt=alt)
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nodes.append(imgnode)
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return nodes
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def pelican_init(pelicanobj):
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global global_siteurl
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global_siteurl = pelicanobj.settings['SITEURL']
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""" Prepare configurations for the MD plugin """
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try:
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import markdown
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from .plantuml_md import PlantUMLMarkdownExtension
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except:
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# Markdown not available
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logger.debug("[plantuml] Markdown support not available")
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return
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# Register the Markdown plugin
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config = { 'siteurl': pelicanobj.settings['SITEURL'] }
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try:
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if 'MD_EXTENSIONS' in pelicanobj.settings.keys(): # pre pelican 3.7.0
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pelicanobj.settings['MD_EXTENSIONS'].append(PlantUMLMarkdownExtension(config))
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elif 'MARKDOWN' in pelicanobj.settings.keys() and \
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not ('extension_configs' in pelicanobj.settings['MARKDOWN']['extension_configs']): # from pelican 3.7.0
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pelicanobj.settings['MARKDOWN']['extension_configs']['plantuml.plantuml_md'] = {}
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except:
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logger.error("[plantuml] Unable to configure plantuml markdown extension")
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def register():
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"""Plugin registration."""
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signals.initialized.connect(pelican_init)
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directives.register_directive('uml', PlantUML_rst)
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