xml_html_create.py
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#! /usr/bin/env python
# ==========================================================================
# Scope
#
# This script creates a simple HTML Web page using GammaLib's xml module
#
# Usage
# ./xml_html_create.py
#
# -------------------------------------------------------------------------
#
# Copyright (C) 2013 Juergen Knoedlseder
#
# 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 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# ==========================================================================
import gammalib
# ==================== #
# Create HTML document #
# ==================== #
def create_html():
"""
Illustrates how GammaLib can be used to create HTML documents.
The HTML document is composed of a main element with name 'html'.
This elements has two childs: a 'head' child for the header and a
'body' child for the page information.
The header contains metadata in the 'meta' element and a page
title defined by the 'title' element.
The body contains arbitrary text. In this example there are two
lines of text with different font formatting and a GammaLib icon
that is placed in the top-right corner of the page.
"""
# Allocate XML document
xml = gammalib.GXml()
# Creates HTML base
html = xml.append('html')
# Writes header
header = html.append('head')
meta = header.append('meta content="text/html; charset=ISO-8859-1" '
'http-equiv="content-type"')
title = header.append('title')
text = title.append(gammalib.GXmlText('GammaLib'))
# Writes body
body = html.append('body')
image = body.append('img style="float: right;" alt="GammaLib" '
'src="http://a.fsdn.com/allura/p/gammalib/icon"')
big = image.append('big')
bigger = big.append('big')
span = bigger.append('span style="font-family: Arial; font-weight: bold;"')
text = span.append(gammalib.GXmlText('Gammalib'))
text = image.append(gammalib.GXmlText('<br>'))
span = image.append('span style="font-family: Arial;"')
text = span.append(gammalib.GXmlText('A versatile toolbox for the scientific analysis '
'of astronomical gamma-ray data'))
# Return XML document
return xml
# ================= #
# Show XML document #
# ================= #
def show_xml(xml):
"""
Show XML document on the screen.
"""
# Allocate string URL
url = gammalib.GUrlString()
# Write XML document in URL
xml.write(url)
# Print URL buffer
print(url.string())
# Return
return
# ======================== #
# Main routine entry point #
# ======================== #
if __name__ == '__main__':
"""
This script creates a simple HTML Web page using GammaLib's xml module.
"""
# Create HTML XML document
xml = create_html()
# Show XML document
show_xml(xml)
# Save HTML document
xml.save("gammalib.html")