Author: pw
Date: 2008-07-02 18:43:14 -0400 (Wed, 02 Jul 2008)
New Revision: 18827

Modified:
   fassembler/trunk/fassembler/topp_brainpower.py
Log:
ADDED: Create a symlink from django's admin media directory.
ADDED: Print an example apache conf that sets up mod_python correctly.


Modified: fassembler/trunk/fassembler/topp_brainpower.py
===================================================================
--- fassembler/trunk/fassembler/topp_brainpower.py	2008-07-02 22:42:06 UTC (rev 18826)
+++ fassembler/trunk/fassembler/topp_brainpower.py	2008-07-02 22:43:14 UTC (rev 18827)
@@ -6,9 +6,39 @@
 from fassembler import tasks
 from fassembler.project import Project, Setting
 import os
+import subprocess
 
 interpolated = tasks.interpolated
 
+apache_conf_prelude = """
+To serve brainpower via apache and mod_python, you should put
+this in your apache config:
+"""
+
+apache_conf_example = """
+    <VirtualHost ...>
+      ServerName ...
+      SetEnv DJANGO_SETTINGS_MODULE brainpower.settings
+      SetEnv PYTHON_EGG_CACHE /tmp/egg-cache
+      DocumentRoot  {{task.htdocs}}
+      <Location "/">
+         SetHandler python-program
+         PythonPath "['{{project.build_properties.get("virtualenv_bin_path") or "argh"}}'] + sys.path"
+         PythonHandler brainpower_handler
+         PythonDebug Off
+      </Location>
+      <Location "/adminmedia/">
+        SetHandler None
+      </Location>
+    </VirtualHost>
+        """
+
+apache_conf_postscript = """
+To avoid editing apache's config on every build, use a 'current'
+symlink instead of the dated build directory for DocumentRoot and
+PythonPath, and just update the symlink after each build.
+"""
+
 class InstallDjango(tasks.InstallTarball):
 
     version_path = interpolated('version_path')
@@ -49,6 +79,36 @@
         self.maker.run_command(py, 'setup.py', 'install', cwd=where)
 
 
+class AdminMediaLink(tasks.Task):
+
+    htdocs = interpolated('htdocs')
+
+    def __init__(self, name, stacklevel=1):
+        super(AdminMediaLink, self).__init__(name, stacklevel=stacklevel+1)
+        self.htdocs = '{{project.build_properties["virtualenv_path"]}}/htdocs'
+        
+    def run(self):
+        self.maker.ensure_dir(self.htdocs, svn_add=False)
+        linktarget = os.path.join(self.htdocs, 'adminmedia')
+        py = self.interpolate(
+            '{{project.build_properties["virtualenv_bin_path"]}}/python',
+            stacklevel=1)
+        script = subprocess.Popen(
+            [py, '-c',
+             'import os, django; print os.path.dirname(django.__file__)'],
+            stdout=subprocess.PIPE)
+        stdout, stderr = script.communicate()
+        djangopath = stdout.strip()
+        linksource = os.path.join(djangopath, 'contrib', 'admin', 'media')
+        self.maker.ensure_symlink(linksource, linktarget, overwrite=True)
+        apache_example = self.interpolate(apache_conf_example)
+        self.logger.notify(apache_conf_prelude,
+                           color='green')
+        self.logger.notify(apache_example, color="yellow")
+        self.logger.notify(apache_conf_postscript, color='green')
+        
+    
+    
 class BrainpowerProject(Project):
     """Brainpower base project class"""
 
@@ -144,7 +204,8 @@
         # Order of arguments matters here! Watch out for
         # django bug http://code.djangoproject.com/ticket/7595
         tasks.Script('Initialize brainpower test database',
-                     ['brainpower/bin/manage.py', 'syncdb', '--settings=brainpower.test_settings', '--noinput'])
- 
-        
+                     ['brainpower/bin/manage.py', 'syncdb', '--settings=brainpower.test_settings', '--noinput']
+                     ),
+
+        AdminMediaLink('Link topp admin media into {{task.htdocs}}.'),
         ]