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pypm install repoze.filecat

How to install repoze.filecat

  1. Download and install ActivePython
  2. Open Command Prompt
  3. Type pypm install repoze.filecat
 Python 2.7Python 3.2Python 3.3
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License
BSD-derived (http://www.repoze.org/LICENSE.txt)
Lastest release
version 0.2 on Jan 5th, 2011
Filecat
=======

This package provides application support for indexing and serving
content in a file system.

An HTTP API is available for querying operations.

Setup
-----

The Xapian database queue processor must be configured with an
indexer which points to a database file on disk, e.g.::

>>> indexer = repoze.filecat.index.create_indexer(db_path)
>>> ore.xapian.queue.QueueProcessor.start(indexer)

To start the directory observer (configured to scan every 3 seconds)::

>>> repoze.filecat.watch.start(directory, 3)

We can then query the Xapian database by opening a connection::

>>> connection = xapian.Connection(db_path)

Formats
-------

Currently supported file formats:

- JPEG (image/jpeg)
- ReStructuredText (text/x-rst)

Authors
-------

Malthe Borch 
Stefan Eletzhofer 
Robert Marianski 

Application
===========

The filecat server application is configured with a ``path`` parameter
which points to a pool of files (a directory structure) and a ``host``
parameter which provides a URL at which a webserver is configured to
serve up the directory as static files.

API
---

All queries are performed using the following HTTP API::

method  path                           description
----------------------------------------------------------
POST    /purge                        Clear index
POST    /add                          Add file to index

@path   Relative filename

POST    /update                       Reindex file

@path   Relative filename

POST    /remove                       Remove file from index

@path   Relative filename

GET     /query                        Perform query

Parameters are passed as-is
to the Xapian query engine.

Results
-------

Queries return a JSON structure which is first a two-tuple
(matches_estimated, results). The result set is a tuple of dicts:

@url       The URL where this file can be downloaded
@mimetype  MIME-type of the file
@metadata  Dict-like structure with mimetype-specific metadata*





Changelog
=========

0.2 - (2009-08-03)
~~~~~~~~~~~~~~~~~~

- The JSON-output of a query is now a tuple of estimated number of
matches and the result set. [malthe]

- Fixed issue where global registry would not be properly
configured. [malthe]

- Handle JPEG-files without a XMP application segment (these are
indexed with a trival metadata tree). [malthe]

- Use XMP instead of IPCT/EXIF; this sheds the dependency on the
Hachoir library. [malthe]

- Added XMP extraction capabilities for JPEG-files. [malthe]

- Updated Xapian library versions in buildout configuration. [malthe]

0.1 - (2008-10-03)
~~~~~~~~~~~~~~~~~~

- Remove print statements. [seletz]

- Added tests for directory watch/observer.  Fixed a bug where the observer would
emit absolute paths causing xapian to index absolute paths. [seletz]

- Hook watcher in.  The configured ``static`` directory is now watched.  Changes
are now added to the Xapian queue. [seletz]

- Created a directory observer thing which will allow us later to atomatically
wahtch a directory and issue Xapian operations. [seletz]

- Hooked in ``modify`` and ``remove`` views. [seletz]

- Changed query parser -- it now just uses the passed-in query string.  Also
added ability to limit/batch query results. [seletz]

- Configured Xapian indexer.  This has to be done separately from the BFG
components, because the Xapian indexer runs in its own thread and thus uses
the global component registry. [seletz]

- Hooked up ``add`` view. [seletz]

- Implemented ``query`` view. [seletz]

- Fixed ``routes``setup wrt. permissions. [seletz]

- Changed svn layout. [seletz]

- Added buildout. [seletz]

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Last updated Jan 5th, 2011

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