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# -*- coding: utf-8 -*-
"""
***************************************************************************
Help2Html.py
---------------------
Date : August 2012
Copyright : (C) 2012 by Victor Olaya
Email : volayaf at gmail dot com
***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************
"""
__author__ = 'Victor Olaya'
__date__ = 'August 2012'
__copyright__ = '(C) 2012, Victor Olaya'
# This will get replaced with a git SHA1 when you do a git archive
__revision__ = '$Format:%H$'
from qgis.PyQt.QtCore import QCoreApplication
import os
import re
import json
ALG_DESC = 'ALG_DESC'
ALG_CREATOR = 'ALG_CREATOR'
ALG_HELP_CREATOR = 'ALG_HELP_CREATOR'
ALG_VERSION = 'ALG_VERSION'
exps = [(r"\*(.*?)\*", r"<i>\1</i>"),
("``(.*?)``", r'<FONT FACE="courier">\1</FONT>'),
("(.*?)\n==+\n+?", r'<h2>\1</h2>'),
("(.*?)\n--+\n+?", r'<h3>\1</h3>'),
(r"::(\s*\n(\s*\n)*((\s+).*?\n)(((\4).*?\n)|(\s*\n))*)", r"<pre>\1</pre>"),
("\n+", "</p><p>")]
def getHtmlFromRstFile(rst):
if not os.path.exists(rst):
return None
with open(rst) as f:
lines = f.readlines()
s = "".join(lines)
for exp, replace in exps:
p = re.compile(exp)
s = p.sub(replace, s)
return s
def getHtmlFromHelpFile(alg, helpFile):
if not os.path.exists(helpFile):
return None
try:
with open(helpFile) as f:
descriptions = json.load(f)
return getHtmlFromDescriptionsDict(alg, descriptions)
except:
return None
def getHtmlFromDescriptionsDict(alg, descriptions):
s = tr('<html><body><h2>Algorithm description</h2>\n')
s += '<p>' + getDescription(ALG_DESC, descriptions) + '</p>\n'
s += tr('<h2>Input parameters</h2>\n')
for param in alg.parameters:
s += '<h3>' + param.description + '</h3>\n'
s += '<p>' + getDescription(param.name, descriptions) + '</p>\n'
s += tr('<h2>Outputs</h2>\n')
for out in alg.outputs:
s += '<h3>' + out.description + '</h3>\n'
s += '<p>' + getDescription(out.name, descriptions) + '</p>\n'
s += '<br>'
s += tr('<p align="right">Algorithm author: %s</p>') % getDescription(ALG_CREATOR, descriptions)
s += tr('<p align="right">Help author: %s</p>') % getDescription(ALG_HELP_CREATOR, descriptions)
s += tr('<p align="right">Algorithm version: %s</p>') % getDescription(ALG_VERSION, descriptions)
s += '</body></html>'
return s
def getDescription(name, descriptions):
if name in descriptions:
return unicode(descriptions[name]).replace("\n", "<br>")
else:
return ''
def tr(string):
return QCoreApplication.translate('Help2Html', string)
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