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2628c480c5
Prevent changes to files that weren't changed between releases. This eases review of the changes between releases significantly.
102 lines
3.5 KiB
Python
102 lines
3.5 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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Help2Html.py
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---------------------
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Date : August 2012
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Copyright : (C) 2012 by Victor Olaya
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Email : volayaf at gmail dot com
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************
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"""
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__author__ = 'Victor Olaya'
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__date__ = 'August 2012'
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__copyright__ = '(C) 2012, Victor Olaya'
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import os
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import re
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import json
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from qgis.PyQt.QtCore import QCoreApplication, QUrl
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from processing.tools import system
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ALG_DESC = 'ALG_DESC'
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ALG_CREATOR = 'ALG_CREATOR'
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ALG_HELP_CREATOR = 'ALG_HELP_CREATOR'
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ALG_VERSION = 'ALG_VERSION'
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exps = [(r"\*(.*?)\*", r"<i>\1</i>"),
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("``(.*?)``", r'<FONT FACE="courier">\1</FONT>'),
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("(.*?)\n==+\n+?", r'<h2>\1</h2>'),
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("(.*?)\n--+\n+?", r'<h3>\1</h3>'),
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(r"::(\s*\n(\s*\n)*((\s+).*?\n)(((\4).*?\n)|(\s*\n))*)", r"<pre>\1</pre>"),
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("\n+", "</p><p>")]
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def getHtmlFromRstFile(rst):
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if not os.path.exists(rst):
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return None
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with open(rst) as f:
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lines = f.readlines()
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s = "".join(lines)
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for exp, replace in exps:
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p = re.compile(exp)
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s = p.sub(replace, s)
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return s
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def getHtmlFromHelpFile(alg, helpFile):
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if not os.path.exists(helpFile):
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return None
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try:
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with open(helpFile) as f:
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descriptions = json.load(f)
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content = getHtmlFromDescriptionsDict(alg, descriptions)
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algGroup, algName = alg.id().split(':')
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filePath = os.path.join(system.tempHelpFolder(), "{}_{}.html".format(algGroup, algName))
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with open(filePath, 'w', encoding='utf-8') as f:
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f.write(content)
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return QUrl.fromLocalFile(filePath).toString()
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except:
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return None
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def getHtmlFromDescriptionsDict(alg, descriptions):
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s = tr('<html><body><h2>Algorithm description</h2>\n')
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s += '<p>' + getDescription(ALG_DESC, descriptions) + '</p>\n'
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s += tr('<h2>Input parameters</h2>\n')
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for param in alg.parameterDefinitions():
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s += '<h3>' + param.description() + '</h3>\n'
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s += '<p>' + getDescription(param.name(), descriptions) + '</p>\n'
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s += tr('<h2>Outputs</h2>\n')
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for out in alg.outputs:
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s += '<h3>' + out.description() + '</h3>\n'
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s += '<p>' + getDescription(out.name(), descriptions) + '</p>\n'
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s += '<br>'
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s += tr('<p align="right">Algorithm author: {0}</p>').format(getDescription(ALG_CREATOR, descriptions))
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s += tr('<p align="right">Help author: {0}</p>').format(getDescription(ALG_HELP_CREATOR, descriptions))
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s += tr('<p align="right">Algorithm version: {0}</p>').format(getDescription(ALG_VERSION, descriptions))
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s += '</body></html>'
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return s
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def getDescription(name, descriptions):
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if name in descriptions:
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return str(descriptions[name]).replace("\n", "<br>")
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else:
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return ''
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def tr(string):
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return QCoreApplication.translate('Help2Html', string)
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