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        "author": "Martin Lundwall",
        "author_email": "martin@betahaus.net",
        "bugtrack_url": null,
        "classifiers": [
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            "Intended Audience :: Developers",
            "License :: OSI Approved :: GNU General Public License (GPL)",
            "Topic :: Software Development :: Libraries :: Python Modules"
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        "description": "betahaus.emaillogin\n====================\n\nContents\n========\n\n* `What is betahaus.emaillogin?`_\n* `Installation`_\n* `How it works`_\n* `Performance`_\n* `Extensions`_\n* `Issues`_\n* `Change history`_\n* `Contributors`_\n\nWhat is betahaus.emaillogin?\n----------------------------\nThe use of emailaddress are speading more and more but Plone does not \nhave a convenient way to use a users registered email address to login.\n\n``betahaus.emaillogin`` makes it possible to login using the email address\nspecified in the user profile. \n\nPlone has a very powerful and modifiable authentication system called \nPluggable Authentication Service (PAS). As the name suggest the system \nis pluggable and thus can easily be extended by third-party products \nsuch as this.  \n\n\nInstallation\n------------\n\nbuildout:\n - add ``betahaus.emaillogin`` entries to eggs and zcml in the appropriate buildout configuration file.\n - re-run buildout.\n - Install via portal_quickinstaller or Site Setup in plone\n \n                \n\nHow it works\n------------\n\n``betahaus.emaillogin`` is at installation put first in the list of \nextraction plugins. If an email address is specified and a corresponding \nuser is found. The email address in the request is replaced with the\nusername and then simulates failed extraction to continue normal login procedure.\n\n\n- Code repository: https://svn.plone.org/svn/collective/betahaus.emaillogin\n\n\nPerformance\n-----------\n\nThe current default implementation does a lookup of the email by iterating over all of the PAS users until the \ncorresponding email is found. This approach is fine for a large number of sites with a liberal number of users. \nIt is however computationally expensive and slow when the number of users rise. If you experience performance issues\nthere is a GenericSetup profile called ``extended`` that can be applied. This extension adds a custom email->userid\ncatalog that enables faster userid look-up from email address.\n\nThe extended profile is applied via ``portal_setup`` -> ``Import`` -> select and apply profile ``Extended performance \nfor EmailLogin Support``.\n\nIf you want to uninstall this extended profile just remove the ``email_catalog`` from the site root and emaillogin will \nfall back to default lookup implementation. \n\nExtensions\n----------\n\nYou can write a custom email lookup method that will be used for translating an email to one or more usernames.\nThe usecase in mind is that a contenttype based member implementation is used and the email is present in a \ncatalog, either portal_catalog or a custom catalog. Two examples of this is `betahaus.memberprofile <http://pypi.python.org/pypi/betahaus.memberprofile>`_\nand `Products.remember <http://pypi.python.org/pypi/Products.remember>`_. Then by reusing the already stored catalog data there is \nno need for another catalog. To implement this you need to register a utility implementing the interface ``IEmailPluginExtension``.\nWarning: When using contentbased membership implementations Plone by default creates the member contenttype on first login.\nThis can cause a problem on initial login since the information is not available in portal_catalog yet.\n \nUtility example::\n\n  from zope.interface import implements\n  from betahaus.emaillogin.interfaces import IEmailPluginExtension\n  class Dummy(object):\n      implements(IEmailPluginExtension)\n      \n      def getUserNames(self, context, login_email, get_all = False):\n          usernames = context.custom_catalog(email = login_email)\n          if usernames and get_all == False:\n               return usernames[0].username\n          return [x.username for x in usernames]\n\n  dummy_extension = Dummy()\n  \n  \nZcml registration example::\n\n  <utility\n      provides=\"betahaus.emaillogin.interfaces.IEmailPluginExtension\"      \n      component=\"betahaus.emaillogin.tests.test_extension.dummy_extension\"\n      permission=\"zope.Public\"\n      />  \n\n\nIssues\n------\n\nIssues can be filed at `the issue tracker <http://plone.org/products/betahaus.emaillogin/issues>`_ on the products page at plone.org.\nAfter update to Plone 4 compatibility some bugs might have been introduced. All tests for plone 3 pass, but if you find any bugs don't \nhesitate to file it.  \n\n\nChange history\n--------------\n\n0.6.1 (2012-02-16)\n------------------\n\n- Get rid of unused imports - in particular the one that fails on Plone 4.1.4. [ritz]\n\n\n0.6 (2011-04-11)\n----------------\n\n - Fixed a bug with correct formatted non existant email when resetting password, thanks James Whisnant for this. [mlundwall]\n - Added zcml auto slug. [mlundwall]\n - Fixed some import errors that caused exeptions when someone entered an email that doesn't exist [robinharms]\n - Plone 4 support. [mlundwall]\n\n\n0.5 (2009-12-28)\n----------------\n\n - Fixed a bug when removing a user. [mlundwall]\n - No warning when removing a user with duplicate email. [mlundwall]\n - Possibility of writing custom email to username utility. [mlundwall]\n - LDAP support. Thanks to Tom Switzer for the patch (http://plone.org/products/betahaus.emaillogin/issues/1) [mlundwall]\n\n0.4 (2009-09-17)\n----------------\n\n - Added i18n to for some texts that could not be reused from plone. [mlundwall]\n - Fixed the problem with non working forgotten password retrieval via email. Thanks Winn for reporting. [mlundwall]\n\n0.3 (2009-07-27)\n----------------\n\n - Added a warning to managers when changing email in the prefs_users_overview to an already existing email. [mlundwall]\n - Added a optional custom email catalog, for better performance with large number of users. [mlundwall]\n\n0.2 (2009-05-22)\n----------------\n\n - Fix bug in personalize_form.vpy that prevented editing user profiles. [davisagli]\n\n0.1 (2009-05-11)\n----------------\n\n - Added custom personalize_form.vpy to prevent changing an existing user's\n   e-mail address to one that already exists. [davisagli]\n - Avoid applying the custom import steps when other profiles are applied. [davisagli]\n - Duplicate email warning at install [mlundwall]\n - Check at registration to not allow multiple users with same email [mlundwall] \n - Moved to collective. [mlundwall]\n - Created recipe with ZopeSkel [Robin Harms Oredsson].\n\nContributors\n------------\n\n - `Martin Lundwall <http://plone.org/author/mlundwall/>`_, Author\n - `Robin Harms Oredsson <http://plone.org/author/robinharms/>`_, Idea for this product.\n - David Glick, GenericSetup stuff and restrictions on changing email.\n - Tom Switzer, <http://plone.org/products/betahaus.emaillogin/issues/1>`_, LDAP patch",
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