venv

brew install python3

mkdir -p ~/bin/python3
python3 -m venv ~/bin/python3
source ~/bin/python3/bin/activate

enjoy!

Python: sort by value then key

No idea yet how this works, or why.

>>> d = {'apple': 7, 'banana': 3, 'almond': 7, 'peach': 4, 'beetroot': 3}
>>> sorted(d.iteritems(), key=lambda(k, v): (-v, k))
[('almond', 7), ('apple', 7), ('peach', 4), ('banana', 3), ('beetroot', 3)]

Latest graphite on Amazon Linux at AWS

NOTE: someone broke master branch, so reverting to 0.9.x

1. yum update -y;reboot
2. yum -y groupinstall "Development Tools"
3. yum -y install git-core python-pip mlocate
4. yum -y install python-rrdtool pycairo-devel
5. mkdir -p /root/graphite-install
6. cd /root/graphite-install
7. git clone https://github.com/graphite-project/carbon.git
8. git clone https://github.com/graphite-project/whisper.git
9. git clone https://github.com/graphite-project/ceres
10. git clone https://github.com/graphite-project/graphite-web.git
11. cd /root/graphite-install/whisper
12. git checkout 0.9.x
13. python setup.py install
14. cd /root/graphite-install/ceres
15. # only has master branch, but it works with others
16. pip install -r requirements.txt
17. python setup.py install
18. cd /root/graphite-install/carbon
19. git checkout 0.9.x
20. pip install -r requirements.txt
21. python setup.py install
22. cd /root/graphite-install/graphite-web
23. git checkout 0.9.x
24. yum install libffi-devel -y # some developer broke things, add this
25. pip install -r requirements.txt
26. python check-dependencies.py
27. python setup.py install 
28. cp -v /opt/graphite/conf/carbon.conf.example /opt/graphite/conf/carbon.conf
29. cp -v /opt/graphite/conf/storage-schemas.conf.example /opt/graphite/conf/storage-schemas.conf
30. cp -v /opt/graphite/conf/storage-aggregation.conf.example /opt/graphite/conf/storage-aggregation.conf
31. cp -v /opt/graphite/webapp/graphite/local_settings.py.example /opt/graphite/webapp/graphite/local_settings.py
32. cp -v /opt/graphite/conf/graphite.wsgi.example /opt/graphite/conf/graphite.wsgi
33. vi /opt/graphite/webapp/graphite/local_settings.py
1. set SECRET_KEY param
2. uncomment DATABASE section
34. add these lines to /root/.bash_profile
1. export GRAPHITE_ROOT=/opt/graphite
2. export PYTHONPATH=$GRAPHITE_ROOT/webapp:$GRAPHITE_ROOT/whisper
35. source /root/.bash_profile
36. django-admin.py syncdb --settings=graphite.settings
37. yum -y install httpd24 mod24_wsgi
38. mkdir /etc/httpd/vhosts.d
39. add to end of /etc/httpd/conf/httpd.conf
1. IncludeOptional vhosts.d/*.conf
40. create /etc/httpd/vhosts.d/graphite.conf with below
41. mkdir /var/run/wsgi;chmod -v 777 /var/run/wsgi
42. apachectl -S
1. check for errors
43. service httpd start
44. /opt/graphite/bin/carbon-cache.py start
45. find /opt/graphite/storage -type d -exec chmod -v 777 {} \;
46. find /opt/graphite/storage -type f -exec chmod -v 666 {} \;
47. echo '127.0.1.3 graphite' >> /etc/hosts
48. curl -I http://graphite
49. on local machine
1. make same /etc/hosts entry
2. port forward 127.0.1.3:8081 to remote-server:80
3. curl -I http://graphite:8081
50. END

WSGISocketPrefix /var/run/wsgi

<VirtualHost *:80>
    ServerName graphite
    DocumentRoot "/opt/graphite/webapp"
    ErrorLog logs/webapp_error.log
    CustomLog logs/webapp_access.log common

    WSGIDaemonProcess graphite processes=5 threads=5 display-name='%{GROUP}' inactivity-timeout=120
    WSGIProcessGroup graphite
    WSGIApplicationGroup %{GLOBAL}
    WSGIImportScript /opt/graphite/conf/graphite.wsgi process-group=graphite application-group=%{GLOBAL}
    WSGIScriptAlias / /opt/graphite/conf/graphite.wsgi

    Alias /content/ /opt/graphite/webapp/content/
    <Location "/content/">
        SetHandler None
        Require all granted
    </Location>
  
    Alias /media/ "@DJANGO_ROOT@/contrib/admin/media/"
    <Location "/media/">
        SetHandler None
        Require all granted
    </Location>
 
    <Directory /opt/graphite/conf/>
        Require all granted
    </Directory>
</VirtualHost>

One-liner, CLI web server on port 8000

1. python -m SimpleHTTPServer