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Builder for OpenCore

## Project description

This is fassembler, the build system for OpenCore Home page: http://www.coactivate.org/projects/fassembler/project-home

## Overview

This could be general-purpose build software a la GNU Make, Buildit, et al. But it’s developed specifically for the build and deployment needs of the software that runs CoActivate.org.

Python >= 2.4

… and?

## License

See doc/license.txt

## To add a project

• Create a subclass of fassembler.project:Project
• Add an entry point to setup() in setup.py
• Update doc/ports.txt and fassembler.topp:CheckBasePorts.port_range if needed.

## 0.7

### Fassembler changes

• Added a new tasks.InstallSpecIfPresent which checks if the path to the requirements spec is present on the filesystem, and does nothing if the file does not exist.
• tasks.VirtualEnv(never_create_virtualenv=True) no longer runs any subtasks.
• Added a new Task fassembler.apache.CheckApache which will check the presence a list of required Apache modules. It must be called from a Project that subclasses fassembler.apache.ApacheMixin.

### Project changes

• fassembler:topp now installs requirements/fassembler-req.txt into the fassembler virtualenv if that file is present. This file can specify add-on packages that provide additional fassembler projects to be used in the rest of the build.

This action was previously done by the rebuild-opencore-site script in opencore-fassembler_boot and is being moved here for better encapsulation of builds. (A build should be able to be run entirely from fassembler; opencore-fassembler_boot should just be a convenience package that wraps fassembler’s more arcane knowledge.)

• Various configuration changes in fassembler:buildmaster and buildslave.

• fassembler:wordpress now checks for the presence of its required Apache modules, including the Apache PHP module.

• Bake in pinned requirements for opencore’s i18ndude sub-project.

## 0.6

### Fassembler changes

• Fassembler has hardcoded expectations that the user’s $LANG is English – Maker._get_repo_url parses an error message from Subversion with the assumption that it is in English. This manifests when running fassembler:topp while it runs svn info on the etc directory in a new build, which will exist as an unversioned directory. It now works if the user’s$LANG is Spanish, as well. But no other languages!

Of course, this is extremely silly, and should be fixed more properly immediately.

• When installing a virtualenv, install setuptools 0.6c11 into the new virtualenv, always. This prevents problems on systems whose virtualenv version installs the broken setuptools 0.6c8 by default. Symptoms: errors like “unrecognized format” and “global name ‘log’ is not defined”.

• Fix sporadic bug in projects where use_pip=True: “The expected executable [‘pip’, ‘-E’, …] was not found.” When use_pip=True, Fassembler will now easy_install pip during virtualenv creation, and will add the virtualenv_bin_path to \$PATH before trying to run pip. This should guarantee that the executable pip can be found.

### Project changes

• Add a boolean use_pip setting to fassembler:cabochon project. Default fassembler:cabochon to use pip instead of easy_install, because it seems to work better here.
• Modify zeo skel’s configuration to use {{env.var}}/zeo/zdsock (a unix socket) instead of a port for connections. Modify zope skels’ configuration to connect to zeo on {{env.var}}/zeo/zdsock as well. See http://www.coactivate.org/projects/opencore/lists/opencore-dev/archive/2010/07/1278617074321/forum_view
• The RunZopeScriptsWithZeo task now looks for a config.skip_zopectl_scripts setting. If it is set to a True value, the task does nothing. This can be used to prevent the build from hanging on this task if another ZEO instance is already running and the user knows that the zopectl initialization scripts don’t need to be run, i.e. when building a code upgrade in parallel to a running site.
• The fassembler:maildrop and fassembler:zeo projects now include this skip_zopectl_scripts setting, with default 0.
• Add a setting supervisor_var to the supervisor project, which defaults to {{env.var}}/supervisor. This is used to build the paths to the Unix socket file and pidfile used by supervisor. It can be useful to set this to a value other than {{env.var}}/supervisor if building an upgrade in parallel to a running site, so that both the old and the new supervisor processes can run simultaneously without interference.
• The extrazope project now runs python setup.py zinstall in the zcmlloader source directory to copy zcmlloader’s zcml entrypoint into each additional Zope’s package-includes. (At some point soon opencore will stop using zcmlloader in favor of z3c.autoinclude, at which point these zinstalls won’t be needed anymore.)
• The extrazope project now creates a separate var directory for each instance and points to that directory in zope.conf for the instance’s pidfile, lock file, etc.

## 0.5

• Add num_extra_zopes property to the environ object, which looks for a num_extra_zopes setting in the [general] section of build.ini and returns it as an integer or 0 if no such setting exists.
• This setting will then be used to fill in the value of opencore_remote_uri in the Frontend configuration, allowing the frontend to proxy to a load-balanced set of Zope instances.
• A num_extra_zopes setting has also been added to the fassembler:topp project, where it is saved to build.ini.

## 0.4

This is the first tag made for fassembler. A lot happened before now but releases were never cut.

In this release:

• Added fassembler:extrazope project, which will build an additional Zope instance connected to the same ZEO server.
• In fassembler:opencore, made the debug setting actually work, to control whether zope starts in debug mode when running ./opencore/bin/zopectl fg (where it previously always ran with debug-mode=on) or ./bin/start-opencore (where it previously always ran with debug-mode=off)
• Added a setting never_create_virtualenv for fassembler.tasks.VirtualEnv, which, if set, makes that task act as an assertion of the given virtualenv’s existence, so that a build can fail if the virtualenv hasn’t already been created.

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