jhargis/init.py

## __init__.py
# -*- coding: utf-8 -*-

# http://docs.cherrypy.org/en/latest/advanced.html?highlight=jinja2#html-templating-support

import os.path
import cherrypy

class Root(object):
    @cherrypy.expose
    def index(self):
        return {'msg': 'Hello world!'}

if __name__ == '__main__':
    cherrypy.config.update({'server.socket_port': 8090})
    # Register the Jinja2 plugin
    from jinja2 import Environment, FileSystemLoader
    from jinja2plugin import Jinja2TemplatePlugin
    env = Environment(loader=FileSystemLoader('.'))
    Jinja2TemplatePlugin(cherrypy.engine, env=env).subscribe()

    # Register the Jinja2 tool
    from jinja2tool import Jinja2Tool
    cherrypy.tools.template = Jinja2Tool()

    # We must disable the encode tool because it
    # transforms our dictionary into a list which
    # won't be consumed by the jinja2 tool
    cherrypy.quickstart(Root(), '', {'/': {'tools.template.on': True,
                                           'tools.template.template': 'index.html',
                                           'tools.encode.on': False}})


## index.html
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-15">
<title></title>
</head>
<body>
{{msg}}
</body>
</html>

## jinja2plugin.py
# -*- coding: utf-8 -*-
import cherrypy
from cherrypy.process import plugins

__all__ = ['Jinja2TemplatePlugin']

class Jinja2TemplatePlugin(plugins.SimplePlugin):
    """A WSPBus plugin that manages Jinja2 templates"""

    def __init__(self, bus, env):
        plugins.SimplePlugin.__init__(self, bus)
        self.env = env

    def start(self):
        """
        Called when the engine starts.
        """
        self.bus.log('Setting up Jinja2 resources')
        self.bus.subscribe("lookup-template", self.get_template)

    def stop(self):
        """
        Called when the engine stops.
        """
        self.bus.log('Freeing up Jinja2 resources')
        self.bus.unsubscribe("lookup-template", self.get_template)
        self.env = None

    def get_template(self, name):
        """
        Returns Jinja2's template by name.

        Used as follow:
        >>> template = cherrypy.engine.publish('lookup-template', 'index.html').pop()
        """
        return self.env.get_template(name)


## jinja2tool.py
# -*- coding: utf-8 -*-
import cherrypy

__all__ = ['Jinja2Tool']

class Jinja2Tool(cherrypy.Tool):
    def __init__(self):
        cherrypy.Tool.__init__(self, 'before_finalize',
                               self._render,
                               priority=10)

    def _render(self, template=None, debug=False):
        """
        Applied once your page handler has been called. It
        looks up the template from the various template directories
        defined in the Jinja2 plugin then renders it with
        whatever dictionary the page handler returned.
        """
        if cherrypy.response.status > 399:
            return

        # retrieve the data returned by the handler
        data = cherrypy.response.body or {}
        template = cherrypy.engine.publish("lookup-template", template).pop()

        if template and isinstance(data, dict):
            cherrypy.response.body = template.render(**data)
	# -- coding: utf-8 --

	# http://docs.cherrypy.org/en/latest/advanced.html?highlight=jinja2#html-templating-support

	import os.path
	import cherrypy

	class Root(object):
	@cherrypy.expose
	def index(self):
	return {'msg': 'Hello world!'}

	if __name__ == '__main__':
	cherrypy.config.update({'server.socket_port': 8090})
	# Register the Jinja2 plugin
	from jinja2 import Environment, FileSystemLoader
	from jinja2plugin import Jinja2TemplatePlugin
	env = Environment(loader=FileSystemLoader('.'))
	Jinja2TemplatePlugin(cherrypy.engine, env=env).subscribe()

	# Register the Jinja2 tool
	from jinja2tool import Jinja2Tool
	cherrypy.tools.template = Jinja2Tool()

	# We must disable the encode tool because it
	# transforms our dictionary into a list which
	# won't be consumed by the jinja2 tool
	cherrypy.quickstart(Root(), '', {'/': {'tools.template.on': True,
	'tools.template.template': 'index.html',
	'tools.encode.on': False}})
	<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
	<html>
	<head>
	<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-15">
	<title></title>
	</head>
	<body>
	{{msg}}
	</body>
	</html>
	# -- coding: utf-8 --
	import cherrypy
	from cherrypy.process import plugins

	__all__ = ['Jinja2TemplatePlugin']

	class Jinja2TemplatePlugin(plugins.SimplePlugin):
	"""A WSPBus plugin that manages Jinja2 templates"""

	def __init__(self, bus, env):
	plugins.SimplePlugin.__init__(self, bus)
	self.env = env

	def start(self):
	"""
	Called when the engine starts.
	"""
	self.bus.log('Setting up Jinja2 resources')
	self.bus.subscribe("lookup-template", self.get_template)

	def stop(self):
	"""
	Called when the engine stops.
	"""
	self.bus.log('Freeing up Jinja2 resources')
	self.bus.unsubscribe("lookup-template", self.get_template)
	self.env = None

	def get_template(self, name):
	"""
	Returns Jinja2's template by name.

	Used as follow:
	>>> template = cherrypy.engine.publish('lookup-template', 'index.html').pop()
	"""
	return self.env.get_template(name)
	# -- coding: utf-8 --
	import cherrypy

	__all__ = ['Jinja2Tool']

	class Jinja2Tool(cherrypy.Tool):
	def __init__(self):
	cherrypy.Tool.__init__(self, 'before_finalize',
	self._render,
	priority=10)

	def _render(self, template=None, debug=False):
	"""
	Applied once your page handler has been called. It
	looks up the template from the various template directories
	defined in the Jinja2 plugin then renders it with
	whatever dictionary the page handler returned.
	"""
	if cherrypy.response.status > 399:
	return

	# retrieve the data returned by the handler
	data = cherrypy.response.body or {}
	template = cherrypy.engine.publish("lookup-template", template).pop()

	if template and isinstance(data, dict):
	cherrypy.response.body = template.render(**data)