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#
# Copyright 2008
# Steve 'Ashcrow' Milner <smilner@redhat.com>
#
# This software may be freely redistributed under the terms of the GNU
# general public license.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
"""
Django control module.
See http://www.djangoproject.com/ for more information about Django.
"""
import exceptions
import os
import sys
import types
import func_module
import sub_process
class Django(func_module.FuncModule):
version = "0.0.1"
api_version = "0.0.1"
description = "Django control module."
def _verify_path(self, project_path):
"""
Verifies the project path exists and is readable.
project_path is the path to the Django project.
"""
# Verify path exists
if not os.access(project_path, os.F_OK):
raise exceptions.OSError(
"Path %s doesn't exist." % project_path)
# .. and that we can read it
if not os.access(project_path, os.R_OK):
raise exceptions.OSError(
"Path %s is not readable." % project_path)
return True
def _get_settings(self, project_path):
"""
Gets the settings object.
project_path is the path to the Django project.
"""
self._verify_path(project_path)
# Append the settings to the path
sys.path.append(project_path)
import settings
del sys.path[-1]
return settings
def settings(self, project_path):
"""
Simple gets the settings for a specific application.
project_path is the path to the Django project.
"""
self._verify_path(project_path)
settings = self._get_settings(project_path)
items = {}
# for each item in settings attempt to append the setting to items
for item in dir(settings):
# ... assuming it isn't _*
if item[1] != '_':
setting = getattr(settings, item)
# See if we can directly append
if type(setting) in [types.TupleType,
types.StringType,
types.DictType,
types.ListType]:
items[item] = setting
else:
# Else force it to a string
items[item] = str(setting)
# Remove the settings from the path
return items
def setting(self, project_path, a_setting):
"""
Returns a single setting.
project_path is the path to the Django project.
"""
items = self.settings(project_path)
return items[a_setting]
def manage(self, project_path, command):
"""
Executes django-admin.py adding the path and settings
variables for a command.
project_path is the path to the Django project.
command is the command to run.
"""
self._verify_path(project_path)
settings = self._get_settings(project_path)
command = "django-admin.py %s --pythonpath=%s --settings=settings" % (
command, project_path)
cmdref = sub_process.Popen(command.split(), stdout=sub_process.PIPE,
stderr=sub_process.PIPE, shell=False)
data = cmdref.communicate()
return (cmdref.returncode, data[0], data[1])
def environment(self, project_path):
"""
Gets the environment information that the project is running on.
project_path is the path to the Django project.
"""
self._verify_path(project_path)
import platform
from django import get_version
return {'django_version': get_version(),
'uname': platform.uname(),
'dist': platform.dist(),
'python_version': platform.python_version()}
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