Simonsblog

have all the gear, but no idea

simon@x220:~$ mkproject simonsblog
(simonsblog)simon@x220:~/Devel/simonsblog$ pip install pelican

(simonsblog)simon@x220:~/Devel/simonsblog$ pelican-quickstart
> What will be the title of this web site? Simonblog
> Who will be the author of this web site? Simon
> What will be the default language of this web site? [en]
> Do you want to specify a URL prefix? e.g., http://example.com   (Y/n)
> What is your URL prefix? (see above example; no trailing slash) http://simonsblog.co.uk
> Do you want to enable article pagination? (Y/n)
> How many articles per page do you want? [10]
> Do you want to generate a Makefile to easily manage your website? (Y/n)
> Do you want an auto-reload & simpleHTTP script to assist with theme and site development? (Y/n)
> Do you want to upload your website using FTP? (y/N)
> Do you want to upload your website using SSH? (y/N) y
> What is the hostname of your SSH server? [localhost] simonsblog
> What is the port of your SSH server? [22]
> What is your username on that server? [root] simon
> Where do you want to put your web site on that server? [/var/www]
> Do you want to upload your website using Dropbox? (y/N)

(simonsblog)simon@x220:~/Devel/simonsblog$ ls
content  develop_server.sh  Makefile  output  pelicanconf.py  publishconf.py

AUTHOR = "Simon"
SITENAME = ("Simonsblog")
SITEURL = 'http://simonsblog.local'

TIMEZONE = 'Europe/London'

DEFAULT_LANG = 'en'

# Blogroll
LINKS =  (('Python.org', 'http://python.org'),)

# Social widget
SOCIAL = (('delicious', 'http://delicious.com/djangos'),
          ('github', 'https://github.com/simonhayward'),
          ('google+', 'https://plus.google.com/u/0/105199393791103843210/posts'),
          ('rss', '/feeds/all.atom.xml'),
          ('twitter', 'https://twitter.com/simhay'),)

FILES_TO_COPY = (('extra/robots.txt', 'robots.txt'),
                 ('extra/favicon.ico', 'favicon.ico'),)

DEFAULT_PAGINATION = 10
THEME = "subtle"
STATIC_PATHS = ['images']
GOOGLE_ANALYTICS = 'UA-2417620-7'
TWITTER_USERNAME = 'simhay'
DISQUS_SITENAME = 'siblog'

(simonsblog)simon@x220:~/Devel/simonsblog$ cd
(simonsblog)simon@x220:~$ git clone git://github.com/getpelican/pelican-themes.git
(simonsblog)simon@x220:~$ pelican-themes -i pelican-themes/subtle

(simonsblog)simon@x220:~$ cdproject && cd content
(simonsblog)simon@x220:~/Devel/simonsblog/content$ vi Static-site-generator.rst

Static site generator
#####################

:date: 2013-02-03 21:50
:tags: blog, pelican
:category: python
:author: Simon

(simonsblog)simon@x220:~$ cdproject
(simonsblog)simon@x220:~/Devel/simonsblog$ ./develop_server.sh start
(simonsblog)simon@x220:~/Devel/simonsblog$ firefox localhost:8000

(simonsblog)simon@x220:~$ cdproject
(simonsblog)simon@x220:~/Devel/simonsblog$ make rsync_upload

(simonsblog)simon@x220:~/Devel/simonsblog$ ./develop_server.sh stop

from string import ascii_uppercase as uc, ascii_lowercase as lc, maketrans

letters = uc + lc
rotate = 17 # ROT17
rot = "".join((x[:rotate][::-1] + x[rotate:][::-1])[::-1] for x in (uc,lc))

def rot_func(text, encode=True):
    src, trg = (letters, rot) if encode else (rot, letters)
    trans = maketrans(src, trg)
    return text.translate(trans)

text = "Text to ROT{}".format(rotate)
encode = rot_func(text)
decode = rot_func(encode, False)

print("""
Rotate:\t{rotate}
Rot:\t{rot}
Text:\t{text}
Encode:\t{encode}
Decode:\t{decode}
""".format(**locals()))

$ vi edit_python_script.py
.... make changes
$ :wq
$ python edit_python_script.py

import os
import sys
import subprocess
import time

def file_is_modified(filename):
    """ Accepts & returns filename if it has been modified """
    previous_st_mtime = 0
    while True:
        st_mtime = os.stat(filename)[8]
        if not st_mtime > previous_st_mtime:
            time.sleep(0.1)
            continue
        previous_st_mtime = st_mtime
        yield filename

def exec_with_file_output(command, filename):
    """ Take command and filename - check if modified, yields output """
    for modified_filename in file_is_modified(filename):
        process = subprocess.Popen([command, modified_filename], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
        yield (process.pid, process.communicate())

def print_output_with_seperator(data, count = 40, word = ''):
    """ Output + seperator for pretty print """
    if data:
        print count * '-' + word + count * '-'
        print data

if __name__=="__main__":
    try:
        for output in exec_with_file_output(sys.argv[1], sys.argv[2]):
            pid, stdoutdata, stderrdata = output[0], output[1][0], output[1][1],
            print_output_with_seperator(stdoutdata, word='stdout for pid: %d' % pid)
            print_output_with_seperator(stderrdata, word='stderr for pid: %d' % pid)
    except (IndexError, OSError) as e:
        print 'Supply [command] [filename]\n%s' % e
    except KeyboardInterrupt:
    print 'Exiting...'

$ python execute-file-if-modified.py python /path/to/file/to/monitor.py

$ python execute-file-if-modified.py pypy /path/to/file/to/monitor.py

/home/simon/.virtualenvs

$ grep virtualenvs .bashrc
export WORKON_HOME="$HOME/.virtualenvs"

simon@simon-development:/home/simon/.virtualenvs$ ls -d */
geo/  metrics/  monitor/  simonsblog/

simon@simon-development:/home/simon/.virtualenvs$ workon
geo
metrics
monitor
simonsblog

simon@simon-development:/home/simon/.virtualenvs$ workon simonsblog
(simonsblog)simon@simon-development:/home/simon/Devel/simonsblog_django$

$ ls -d /home/simon/.virtualenvs/simonsblog/lib/python2.6/site-packages/*/

/home/simon/.virtualenvs/simonsblog/lib/python2.6/site-packages/akismet-0.2.0-py2.6.egg-info/
/home/simon/.virtualenvs/simonsblog/lib/python2.6/site-packages/debug_toolbar/
/home/simon/.virtualenvs/simonsblog/lib/python2.6/site-packages/django/
/home/simon/.virtualenvs/simonsblog/lib/python2.6/site-packages/Django-1.3-py2.6.egg-info/
/home/simon/.virtualenvs/simonsblog/lib/python2.6/site-packages/django_debug_toolbar-0.8.5-py2.6.egg-info/
/home/simon/.virtualenvs/simonsblog/lib/python2.6/site-packages/django_imagekit-0.3.6-py2.6.egg-info/
/home/simon/.virtualenvs/simonsblog/lib/python2.6/site-packages/django_tagging-0.3.1-py2.6.egg-info/
/home/simon/.virtualenvs/simonsblog/lib/python2.6/site-packages/docutils/
/home/simon/.virtualenvs/simonsblog/lib/python2.6/site-packages/gunicorn/
/home/simon/.virtualenvs/simonsblog/lib/python2.6/site-packages/imagekit/
/home/simon/.virtualenvs/simonsblog/lib/python2.6/site-packages/markdown/
....

$ sudo aptitude install python-pip python-dev build-essential
$ sudo pip install -U pip
$ sudo pip install virtualenv
$ sudo pip install virtualenvwrapper
$ mkdir $HOME/.virtualenvs
$ vi .bashrc
export WORKON_HOME="$HOME/.virtualenvs"
source /usr/local/bin/virtualenvwrapper.sh
$ source bashrc
$ mkvirtualenv myvirtualenvtest
....

export WORKON_HOME="$HOME/.virtualenvs"
export VIRTUALENVWRAPPER_HOOK_DIR=$WORKON_HOME
source /usr/local/bin/virtualenvwrapper.sh
export PIP_VIRTUALENV_BASE=$WORKON_HOME
export PIP_RESPECT_VIRTUALENV=true
export PROJECT_HOME=$HOME/Devel

# alias' from Holger Krekel http://paste.pocoo.org/show/164838/
alias v=workon
alias v.deactivate=deactivate
alias v.mk='mkvirtualenv --no-site-packages'
alias v.mk_withsitepackages='mkvirtualenv'
alias v.rm=rmvirtualenv
alias v.switch=workon
alias v.add2virtualenv=add2virtualenv
alias v.cdsitepackages=cdsitepackages
alias v.cd=cdvirtualenv
alias v.lssitepackages=lssitepackages

$ sudo aptitude install munin
$ sudo aptitude install munin-plugins-extra

$ git clone https://github.com/perusio/nginx-munin
$ mv nginx-munin/nginx_* /usr/share/munin/plugins/
$ cd /etc/munin/plugins
$ ln -s /usr/share/munin/plugins/nginx_connection_request nginx_connection_request
$ ln -s /usr/share/munin/plugins/nginx_memory nginx_memory
$ ln -s /usr/share/munin/plugins/nginx_request nginx_request
$ ln -s /usr/share/munin/plugins/nginx_status nginx_status
$ sudo aptitude install libio-all-lwp-perl # nginx plugins have dependencies

$ wget http://nginx.org/download/nginx-1.0.5.tar.gz
$ tar -zxvf nginx-1.0.5.tar.gz && mv nginx-1.0.5 nginx-src && cd nginx-src
$ ./configure --prefix=/opt/nginx-1.0.5 --user=nginx --group=nginx \
--with-http_ssl_module --with-ipv6 --with-http_stub_status_module
$ make
$ make install

server {
   server_name munin.simonsblog.co.uk;
   root /var/cache/munin/www/;
   location / {
   index index.html;
   access_log off;
}
server {
    server_name nginx.local;
    allow 127.0.0.1;
    deny all;
    location /nginx_status {
    stub_status on;
    access_log off;
    }
}

$ chmod -R 755 /usr/share/munin/plugins/
$ /etc/init.d/nginx stop
$ ln -sfn /opt/nginx-1.0.5 /opt/nginx # point to newly compiled nginx
$ /etc/init.d/nginx start
$ /etc/init.d/munin-node start

Simonsblog

Just ride

Conclusion

Static site generator - Pelican

Installing

Set up

Styling

Create a post

Viewing changes

Deploy

The Psychology of Computer Programming

Conclusion

Busch & Müller all weather dynamo roller

Fitting

Conclusion

Dymotec 6 & Lumotec IQ Cyo RT senso plus

Parts

Fit front light bracket

Fit lumotec IQ cyo RT senso plus

Fit Soubitez dynamo bracket

Fit dymotec 6 (left sided mount)

Tiling window manager: i3

Rotate arbitrary

Favourite quotes

Test driven development with Django

Linux window managers

Running a script on modification

Virtualenvwrapper

Here's the why

Here's the how

Add munin monitoring in 5 minutes

git -a -m "initial commit"