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XOTcl Core

What is xotcl-core

xotcl-core is an OpenACS package, which provides base functionality for OpenACS applications using XOTcl. The xotcl-core package is used by several other OpenACS packages such as the XOTcl request monitor, XoWiki, XoWiki Content Flow, S5 or the Learning Content Tool.

Install xotcl-core

First, get xotcl-core from the OpenACS repository:

cd /tmp
cvs -d:pserver:anonymous@cvs.openacs.org:/cvsroot co openacs-4/packages/xotcl-core

Move xotcl-core to the directory, where your OpenACS packages are stored. We assume, this directory is /usr/local/openacs-4/packages

mv /tmp/openacs-4/packages/xotcl-core /usr/local/openacs-4/packages

If you are using an version of OpenACS prior to OpenACS 5.3, follow the instructions to update the bootstrap loader and the API browser.

Next, go to acs-admin/apm (http://YOURSERVER/acs-admin/apm/), choose "install-packages" and install XOTcl Core. Finally, restart the server.

svc -t /service/${yourservice}

Now you can browse http://YOURSERVER/xotcl

Functionality of xotcl-core

xotcl-core defines several classes for

library dependencies
package management
debugging
security and policy management
HTTP client and server functionality
Object Relational Database Interface
ical formatting
cluster management
chat handlers

and serveral utilities.

Code metrics and Package Description

Package specification Summary for package xotcl-core

Description	This component contains some core functionality for OpenACS applications using XOTcl. It includes XOTcl thread handling for OpenACS (supporting persistent and volatile threads) and a definitions for documenting XOTcl object, classes and methods integrated with the api-browser of OpenACS. Documented procs and instproc an be created using the methods ad_proc and ad_instproc. This component provides as well an XOTcl Object and Class browser, as well as means to control the recreation of objects and classes when components are reloaded. 0.23: contains a major overhaul of the Generic classes. Object preliminary object layer for content repository, oo templating. 0.36: brings caching support for cr-items. 0.38: important change: uses cr_items.name instead of cr_revision.title to label content items. This effects as well the api (lookup uses -name instead of -title). 0.40: updating package_id in acs_objects, requires now openacs 5.2.*; 0.41: supporting storage_type file, on_submit method and html for forms; 0.43: context and connection context; 0.44: use connection_context, sch regression test works; 0.45: xo:db require operations; 0.48: policies 0.49: stored procedures object proxies (postgres and Oracle) 0.51: require package 0.52: distinguish between ImageField and ImageAnchorField, start using slots, multivalued form entries, bulk-actions, improved localization, improved sql layer (:.xo::db::sql) 0.70: oo interface to acs-object, acs-object-types and cr-items/revisions based on XOTcl slots
Maturity	New Submission or Maturity Unknown
This package depends on:	acs-kernel
Packages that depend on xotcl-core	xotcl-request-monitor xotcl-request-monitor xotcl-request-monitor xowiki xowiki xowiki xowiki xowiki xowiki xowiki xowiki xowiki xowiki xowiki xowiki xowiki xowiki xowiki xowiki xowiki xowiki xowiki

Bug Tracker Summary for package xotcl-core

Open Bugs:	0
Latest Bug Opened:	This package has no open bugs.
Latest Bug Fixed:	2007-08-25 Error: content > 4000 characters on an openacs instance with oracle9.
Top Bug Submitters:	Avni Khatri (1) Claudio Pasolini (1)
Top Bug Fixers:	Gustaf Neumann (2)

Code Metrics Summary for package xotcl-core

# Tcl Procs	11
# Tcl Lines	10644
# Automated Tests	1
# Stored Procedures	PG: 0 ORA: 0
# SQL Lines	PG: 0 ORA: 0
# ADP pages	4
# ADP lines	89
# Include pages (xotcl-core/lib/)	1
# Documentation pages	0
# Documentation lines	0

References to this Page: en:chat, en:xotcl-request-monitor, en:.LRN_2.2_Release, en:xowiki, en:libthread, en:xotcl, en:xotcl-core-before-5-3, en:xotcl-core-db Categories: Non-Core Packages (OpenACS.org)

Comments

Great writeup. by Robert Taylor on 03/05/06