This is a pre-production deployment of Warehouse, however changes made here WILL affect the production instance of PyPI.
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Project Description
Introduction
==================

In fantasy fiction, a lich is a type of undead creature. (wikipedia_)
Liches is used to find dead links in your website so I thought this name
was appropriate (and a nicer explanation than liches stands for LInk Checker
Server).

Liches wraps the linkchecker_ output into a web interface.
You can run Liches as a stand-alone service for use with your websites
regardless of the language they're written in. While Liches itself is
written in Python, it interacts with your website purely via HTTP and
JSON_. You can even integrate it with pure javascript without the need of
server side programming or use it as a stand alone service.
An example how to integrate it into a website can be found at
https://github.com/collective/collective.liches

Rational
--------

While linkchecker_ itself can produce html this results in a single
monolithic page with all results included. This can be intimidating
and is from a usability point of view suboptimal. Liches presents
the results agregated per page, so you get a quick overview of how
many pages in your site have broken links and for each page an overview
which links are broken. You can also filter the results for a specific
error message so you can narrow down and prioritize which errors to deal
with first.

You can configure your linkchecks and invoke linkchecker through the
webinterface.

Install
=======

Prerequisites
-------------

It is strongly recommended to install Liches in a virtualenv_

::

$ mkdir liches
$ virtualenv --no-site-packages liches/
$ cd liches/

In this virtualenv you can install liches for production
or development.

Install for production
----------------------

In the virtualenv you created above execute these commands

::

$ wget http://github.com/downloads/wummel/linkchecker/LinkChecker-8.4.tar.xz
$ xz -d LinkChecker-8.4.tar.xz
$ bin/pip install LinkChecker-8.4.tar
$ bin/pip install liches
$ wget https://raw.github.com/cleder/liches/master/production.ini
$ bin/initialize_liches_db production.ini
Username [admin]:
Password [generate]:
('password generated: ', 'whmgfi6r')
Fullname: Administrator
Email: root@localhost
$ bin/pserve production.ini

Username and password are written to the file 'password.txt'. Delete this
file after installation.

Install for development
------------------------

In the virtualenv you created above execute these commands:

::

$ wget https://raw.github.com/cleder/liches/master/buildout.cfg
$ mkdir buildout-cache
$ mkdir buildout-cache/eggs
$ mkdir buildout-cache/downloads
$ bin/easy_install -u setuptools
$ wget http://python-distribute.org/bootstrap.py
$ bin/python bootstrap.py
$ bin/buildout
$ rm buildout.cfg
$ ln -s src/liches/buildout.cfg
$ ln -s src/liches/development.ini
$ bin/initialize_liches_db development.ini
Username [admin]:
Password [generate]:
('password generated: ', 'whmgfi6r')
Fullname: Administrator
Email: root@localhost
$ bin/pserve development.ini


Username and password are written to the file 'password.txt', so you do
not have to input these values every time you reinitialize your database.

Configuration
--------------

You configure you liches server in you production.ini or development.ini
file.

Database
+++++++++

In the `[app:main]` section of you configuration file change the sqlalchemy.url_
to point to your database (or leave it like it is if you want to use sqllite)

.. _sqlalchemy.url: http://docs.sqlalchemy.org/en/rel_0_8/core/engines.html#database-urls

API Key
++++++++

To enable a website to request a linkcheck of a particular page you have
to provide an `api_key` in the `[liches]` section of your ini file. If this
parameter is not set liches will generate a random key every time it is
started. The generated key will be displayed during startup.

::

2013-08-05 17:16:01,085 WARNI [liches.utils][MainThread] API Key: w4NhYBHSVGzfmpiK

As the generated key is reasonably unique and complicated you may copy
it into your ini file.

Getting Started
===============

Define your linkchecks in the web GUI or alternatively import linkchecks
from the commandline.

Web GUI
--------

Open your Liches server in your webbrowser.

.. image:: https://raw.github.com/cleder/liches/master/docs/liches-home-loggedout.png

Log into your liches server.

.. image:: https://raw.github.com/cleder/liches/master/docs/liches-home-loggedin.png

Goto linkchecks.

.. image:: https://raw.github.com/cleder/liches/master/docs/liches-linkchecks.png

and add a new linkcheck.

.. image:: https://raw.github.com/cleder/liches/master/docs/liches-add-linkcheck.png

On the commandline you can then call:

::

$ bin/liches_linkchecker development.ini

This command will call linkchecker_ for all the checks you have enabled
and import the results into the database. For regular linkchecks you can
call this command as a cron job.


Manual Import
--------------
Check a site for bad links with e.g:

::

$ bin/linkchecker --file-output=csv --pause=3 --no-warnings http://localhost/index.html

Please refer to the linkchecker_ manual for usage.

Import the output produced by linkchecker_ into liches

::

$ bin/import_liches_csv production.ini

View the results
-----------------

Open `http://localhost:6543/` in your browser to see the results. The
frontpage tells you how many pages with broken urls are in your site.
Click on the link *'You have XYZ pages with broken links'* to view the
pages at `http://localhost:6543/getpages`.

At `http://localhost:6543/getpages?format=json` you can access the data
in JSON_ format.

.. image:: https://raw.github.com/cleder/liches/master/docs/liches-brokenpages.png

The links will take you to a page with detailed results for this page e.g.
`http://localhost:6543/checkurl?url=http://localhost/index.html`
which can also be accessed as JSON_
`http://localhost:6543/checkurl?url=http://localhost/index.html&format=json`

.. image:: https://raw.github.com/cleder/liches/master/docs/liches-brokenlinks.png

.. _linkchecker: http://wummel.github.io/linkchecker/
.. _virtualenv: http://www.virtualenv.org/
.. _JSON: http://www.json.org/
.. _wikipedia: https://en.wikipedia.org/wiki/Lich


Changes
========

0.7 (2013/11/28)
----------------

- remove linkchecker dependency so you can `pip install -U liches`
- pyramid 1.5 compatible (if you are using pyramid < 1.5 use liches 0.6)

0.6 (2013/11/28)
----------------

- add ability to invoke linkchecker in the webinterface
- add a broken links count to each page in overview


0.5 (2013/08/29)
-----------------

- add ability to show invalid pages only
- inititialize_liches_db writes a file 'password.txt' with user:password

0.4 (2013/08/12)
----------------

- bug fixes
- add ability to filter pages by error


0.3 (2013/08/07)
-----------------

- add script to check all linkchecks
- add linkcheck contenttype
- add authentication
- add form to change password
- add user add form


0.2 (2013/07/31)
-----------------

- Add script to empty db
- fixes
- more documentation
- add license


0.1 (2013/07/31)
----------------

- Initial version
Release History

Release History

0.7

This version

History Node

TODO: Figure out how to actually get changelog content.

Changelog content for this version goes here.

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0.6

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0.5

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0.4

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0.3

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0.2

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0.1

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Download Files

Download Files

TODO: Brief introduction on what you do with files - including link to relevant help section.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
liches-0.7.tar.gz (65.7 kB) Copy SHA256 Checksum SHA256 Source Nov 28, 2013

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