simonw

# In settings.py:

import os
OUR_ROOT = os.path.realpath(os.path.dirname(__file__))

# In urls.py:
from django.conf import settings
import os

urlpatterns = patterns('',

simonw

# Django: validate that an uploaded file is a valid PDF

import pyPdf # from http://pybrary.net/pyPdf/
from pyPdf.utils import PdfReadError

class DocumentForm(forms.ModelForm):
    pdf = forms.FileField()
    class Meta:
        model = Document
    

simonw

<script type="text/javascript">
(function(loc) {
    if (loc.pathname == '/') {
        return;
    }
    var uri_re = 
  /^(?:(?:[^:\/?#]+):)?(?:\/\/(?:[^\/?#]*))?([^?#]*)(?:\?([^#]*))?(?:#(.*))?/;
    var target_domain = '';
    loc.href.replace(uri_re, function(all, path, query, frag) {
        var dst, src; dst = src = path + (query ? '?' + query : '');

simonw

$ mkvirtualenv lxml-install-env
New python executable in lxml-install-env/bin/python
Installing setuptools...asy.........	done.
(lxml-install-env)$ easy_install lxml
Searching for lxml
Reading http://pypi.python.org/simple/lxml/
Reading http://codespeak.net/lxml
Best match: lxml 2.2.2
Downloading http://codespeak.net/lxml/lxml-2.2.2.tgz
Processing lxml-2.2.2.tgz

simonw

cd /tmp
wget http://codespeak.net/lxml/lxml-2.2.2.tgz
tar -xzvf lxml-2.2.2.tgz 
cd lxml-2.2.2
cd libs/
wget ftp://xmlsoft.org/libxml2/libxml2-2.7.3.tar.gz
wget ftp://xmlsoft.org/libxml2/libxslt-1.1.24.tar.gz
cd ..
python setup.py build --static-deps --libxml2-version=2.7.3  --libxslt-version=1.1.24 
sudo python setup.py install

simonw

import freebase # http://code.google.com/p/freebase-python/

def bulk_lookup(ids):
    return freebase.mqlreadmulti([species_query(i) for i in ids])

def _species_query(id):
    return {
        'id': id,
        'type': '/biology/organism_classification',
        'name': None,

simonw

import freebase, json

freebase.search('tiger',
    type = '/biology/organism_classification',
    limit = 5,
    mql_output = json.dumps([{
        'id': None,
        'name': None,
        '/biology/organism_classification/scientific_name': None
    }])

simonw

import datetime, time

def to_isoformat(dt):
    return dt.isoformat().split('.')[0]

def from_isoformat(s):
    s = s.split('.')[0]
    return datetime.datetime(
        *time.strptime(s, '%Y-%m-%dT%H:%M:%S')[:6]
    )

simonw

def json_diffs(a, b, path='_'):
    errors = []
    if type(a) != type(b):
        return ['%s: Type of a (%s) != type of b (%s)' % (path, type(a), type(b))]
    if type(a) == dict:
        for key in a:
            new_path = path + ('[%s]' % key)
            if key not in b:
                errors.append('%s: Key %s present in a but not in b' % (new_path, key))
            else:

simonw

svn co svn://svn.xapian.org/xapian/branches/geospatial xapian-geo
sudo apt-get install build-essential m4 perl python zlib1g-dev uuid-dev wget
sudo apt-get install libpcre3-dev
sudo apt-get install flex bison
cd xapian-geo/
./bootstrap 
./configure --enable-maintainer-mode --enable-documentation=no --with-python
make
sudo make install
cd /usr/lib