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			99 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			99 lines
		
	
	
		
			3.3 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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from builtins import str
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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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# This will get replaced with a git SHA1 when you do a git archive
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__revision__ = '$Format:%H$'
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from qgis.PyQt.QtCore import QCoreApplication
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import os
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import re
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import json
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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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            return getHtmlFromDescriptionsDict(alg, descriptions)
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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.parameters:
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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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