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Project Description

Introduction

collective.scriptedredirect allows you to write HTTP 302 Moved Temporary and HTTP 301 Moved Permanently redirects for your Plone CMS site in Python code.

Benefits

  • The redirect logic is front-end web server independent: no need to touch variouos configuration files of Apache, Varnish or Nginx)
  • Python allows to write more complex logic for redirects easier - no regular expressions!
  • Python scripts in Plone have access to more complete state information: user logged in status, permissions, etc.

Usage

Installation

Add add-on in buildout.cfg:

eggs =
    ...
    collective.scriptedredirect

Run buildout.

Install Scripted redirects in Python in Site Setup > Add-ons.

Doing redirects through the web

Edit redirect_handler in Zope Management Interface in your site root.

In the case of accident use ?no_redirect HTTP query parameter to override the redirecter and fix your site.

Doing redirects through the web

You can also register a browser view called redirect_handler. In this case, you write the redirect code in addon Python code and not through the web.

redirect_handler view is always preferred over redirect_handler script.

Example Python code in redirector.py:

class TestingRedirectHandler(object):
    """ Redirect handler registered as a ``redirect_handler`` Zope 3 <browser:page>
    """

    def __init__(self, context, request):
        self.context = context
        self.request = request

    def __call__(self, url, host, port, path):
        """
        :return: None if no redirect needed, otherwise a string full HTTP URL to the redirect target

        :raise: zExceptions.Redirect or other custom redirect exception if needed
        """

        # Simple example: always access site over www. domain prefix
        if not url.startswith("http://www."):
            return url.replace("http://", "http://www.")

        # Don't redirect if we are already using www. prefix
        return None

Example ZCML:

<browser:page
    name="redirect_handler"
    for="Products.CMFCore.interfaces.ISiteRoot"
    layer="YOUR_ADDON_LAYER"
    class=".redirector.TestRedirectHandler"
    />

Internals

collective.scriptedredirect hooks itself to Zope’s pre-traversal hook and is triggered before the request traverses into your Plone site in Zope application server.

Author

Mikko Ohtamaa (blog, Facebook, Twitter, Google+)

Changelog

1.1.1 (2013-04-14)

  • Fixed .rst title levels for PyPi [miohtama]

1.1 (2013-04-14)

  • Added redirects via browser view support [miohtama]
  • Testing, Travis CI support [miohtama]

1.0

  • Initial development [miohtama]
Release History

Release History

1.1.1

This version

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TODO: Figure out how to actually get changelog content.

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1.1

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1.0

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TODO: Figure out how to actually get changelog content.

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Download Files

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
collective.scriptedredirect-1.1.1.zip (36.8 kB) Copy SHA256 Checksum SHA256 Source Apr 14, 2013

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