Google maps rest extension for Nikola

googlemaps.py

# Copyright (c) 2012 Roberto Alsina y otros.

# Permission is hereby granted, free of charge, to any
# person obtaining a copy of this software and associated
# documentation files (the "Software"), to deal in the
# Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the
# Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice
# shall be included in all copies or substantial portions of
# the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
# PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
# OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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from docutils import nodes
from docutils.parsers.rst import directives


CODE = """\
<iframe width="{width}" height="{height}" frameborder="0" scrolling="no" \
marginheight="0" marginwidth="0" src="https://maps.google.com/maps?q={location}&\
num=1&ie=UTF8&t=m&z={zoom}&ll={location}&output=embed&iwloc=near"></iframe>"""


def gmaps(name, args, options, content, lineno,
            contentOffset, blockText, state, stateMachine):
    """ Restructured text extension for inserting google embedded maps """
    if len(content) == 0:
        return
    string_vars = {
        'location': content[0],
        'width': 425,
        'height': 344,
        'zoom': 20,
        }
    extra_args = content[1:]  # Because content[0] is location
    extra_args = [ea.strip().split("=") for ea in extra_args]  # key=value
    extra_args = [ea for ea in extra_args if len(ea) == 2]  # drop bad lines
    extra_args = dict(extra_args)
    string_vars.update(extra_args)
    return [nodes.raw('', CODE.format(**string_vars), format='html')]


gmaps.content = True
directives.register_directive('gmaps', gmaps)