Added initial files.

.gitignore

@@ -0,0 +1,9 @@
+.DS_Store
+*.pyc
+*~
+.*.sw[po]
+dist/
+*.egg-info
+build/
+.build/
+pip-log.txt

LICENSE

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+Copyright (c) 2011, Ionel Cristian Maries
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
+
+    Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
+    Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

README.rst

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+=============================
+    django-redisboard
+=============================
+
+
+Brief redis monitoring in django admin
+
+Installation guide
+==================
+
+Add ``redisboard`` to ``INSTALLED_APPS``::
+
+    INSTALLED_APPS += ("redisboard", ) 
+    
+Then you can add redis servers in the admin. You will see the stats in the changelist.

setup.py

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+# -*- encoding: utf8 -*-
+from setuptools import setup, find_packages
+
+import os
+
+setup(
+    name = "django-redisboard",
+    version = "0.1",
+    url = '',
+    download_url = '',
+    license = 'BSD',
+    description = "",
+    author = 'Ionel Cristian Mărieș',
+    author_email = 'contact@ionelmc.ro',
+    packages = find_packages('src'),
+    package_dir = {'':'src'},
+    include_package_data = True,
+    zip_safe = False,
+    classifiers = [
+        'Development Status :: 4 - Beta',
+        'Framework :: Django',
+        'Intended Audience :: Developers',
+        'License :: OSI Approved :: BSD License',
+        'Operating System :: OS Independent',
+        'Programming Language :: Python',
+        'Topic :: Internet :: WWW/HTTP',
+    ]
+)

src/redisboard/admin.py

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+from django.contrib import admin
+from .models import RedisServer
+
+class RedisServerAdmin(admin.ModelAdmin):
+    list_display = (
+        '__unicode__', 'status', 'memory', 'clients', 'details'
+    )
+    def status(self, obj):
+        return obj.stats['status']
+
+    def memory(self, obj):
+        return obj.stats['memory']
+
+    def clients(self, obj):
+        return obj.stats['clients']
+
+    def details(self, obj):
+        return "<table>%s</table>" % ''.join(
+            "<tr><td>%s</td><td>%s</td></tr>" % i
+                for i in sorted(obj.stats['details'].items(), key=lambda (k,v): k)
+        )
+
+    details.allow_tags = True
+
+admin.site.register(RedisServer, RedisServerAdmin)

src/redisboard/models.py

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+import redis
+
+from django.utils.translation import ugettext_lazy as _
+from django.db import models
+from django.core.validators import MaxValueValidator, MinValueValidator
+
+from .utils import cached_property
+
+class RedisServer(models.Model):
+    hostname = models.CharField(_("Hostname"), max_length=250)
+    port = models.IntegerField(_("Port"), validators=[
+        MaxValueValidator(65535), MinValueValidator(1)
+    ], default=6379)
+    password = models.CharField(_("Password"), max_length=250,
+                                null=True, blank=True)
+
+
+    @cached_property
+    def connection(self):
+        return redis.Redis(
+            host = self.hostname,
+            port = self.port,
+            password = self.password
+        )
+
+    @connection.deleter
+    def connection(self, value):
+        value.connection_pool.disconnect()
+
+    @cached_property
+    def stats(self):
+        try:
+            info = self.connection.info()
+            return {
+                'status': 'UP',
+                'details': info,
+                'memory': "%s (peak: %s)" % (
+                    info['used_memory_human'],
+                    info['used_memory_peak_human']
+                ),
+                'clients': info['connected_clients'],
+            }
+        except redis.exceptions.ConnectionError:
+            return {
+                'status': 'DOWN',
+                'clients': 'n/a',
+                'memory': 'n/a',
+                'details': {},
+            }
+
+    def __unicode__(self):
+        return "%s:%s" % (self.hostname, self.port)

src/redisboard/templates/admin/redisboard/redisserver/change_list.html

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+{% extends "admin/change_list.html" %}
+{% block extrahead %}
+{{ block.super }}
+<meta http-equiv="refresh" content="30">
+{% endblock %}

src/redisboard/utils.py

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+# shamelessly taken from kombu.utils
+
+class cached_property(object):
+    """Property descriptor that caches the return value
+    of the get function.
+
+    *Examples*
+
+    .. code-block:: python
+
+        @cached_property
+        def connection(self):
+            return Connection()
+
+        @connection.setter  # Prepares stored value
+        def connection(self, value):
+            if value is None:
+                raise TypeError("Connection must be a connection")
+            return value
+
+        @connection.deleter
+        def connection(self, value):
+            # Additional action to do at del(self.attr)
+            if value is not None:
+                print("Connection %r deleted" % (value, ))
+
+    """
+
+    def __init__(self, fget=None, fset=None, fdel=None, doc=None):
+        self.__get = fget
+        self.__set = fset
+        self.__del = fdel
+        self.__doc__ = doc or fget.__doc__
+        self.__name__ = fget.__name__
+        self.__module__ = fget.__module__
+
+    def __get__(self, obj, type=None):
+        if obj is None:
+            return self
+        try:
+            return obj.__dict__[self.__name__]
+        except KeyError:
+            value = obj.__dict__[self.__name__] = self.__get(obj)
+            return value
+
+    def __set__(self, obj, value):
+        if obj is None:
+            return self
+        if self.__set is not None:
+            value = self.__set(obj, value)
+        obj.__dict__[self.__name__] = value
+
+    def __delete__(self, obj):
+        if obj is None:
+            return self
+        try:
+            value = obj.__dict__.pop(self.__name__)
+        except KeyError:
+            pass
+        else:
+            if self.__del is not None:
+                self.__del(obj, value)
+
+    def setter(self, fset):
+        return self.__class__(self.__get, fset, self.__del)
+
+    def deleter(self, fdel):
+        return self.__class__(self.__get, self.__set, fdel)