andresmachado

[
    {
        "swagger": "2.0",
        "info": {
            "title": "TestePermissions API",
            "description": "API documentation for TestePermissions App",
            "version": "v1",
        },
        "host": "testepermissions_15043.herokuapp.com",
        "schemes": ["https"],

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{
  "sProcessing": "A processar...",
  "sLengthMenu": "Mostrar _MENU_ registros",
  "sZeroRecords": "Não foram encontrados resultados",
  "sInfo": "Mostrando de _START_ até _END_ de _TOTAL_ registros",
  "sInfoEmpty": "Mostrando de 0 até 0 de 0 registeos",
  "sInfoFiltered": "(filtrado de _MAX_ registros no total)",
  "sInfoPostFix": "",
  "sSearch": "Procurar:",
  "sUrl": "",

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import collections
alist = [[1, 2, [3, [5, 6, 7]]], 4]


def flat_list(xs):
    for x in xs:
      if isinstance(x, str) or not isinstance(x, collections.Iterable):
          yield x
      else:
          yield from flat_list(x)

andresmachado

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Created on Wed Apr  5 15:50:49 2017

@author: andre
"""

import json
from bs4 import BeautifulSoup

andresmachado

class OccurencesInRadiusDistance(generics.ListAPIView):
    """API endpoint that returns all objects in a radius given a set of coordinates in url_params."""

    serializer_class = MyCustomSerializer
    permissions_classes = (permissions.IsAuthenticatedOrReadOnly, )

    def get_queryset(self):
        """This queryset returns all objects in a specified radius distance. We use PostGIS to create POINT objects and create the query.
            How to use postGIS on Django: https://docs.djangoproject.com/en/dev/ref/contrib/gis/install/postgis/
            

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class ItemSerializer(serializers.ModelSerializer):
    class Meta:
        model = Item
        fields = (
            'field1',
            'field2'
        )


class CategorySerializer(serializers.ModelSerializer):

andresmachado

Transforming Code into Beautiful, Idiomatic Python

Notes from Raymond Hettinger's talk at pycon US 2013 video, slides.

The code examples and direct quotes are all from Raymond's talk. I've reproduced them here for my own edification and the hopes that others will find them as handy as I have!

Looping over a range of numbers

for i in [0, 1, 2, 3, 4, 5]:

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num = input("Digite um número inteiro: ")
total = 0
i = 0
while i < len(num):
    total += int(num[i])
    i += 1
print(total)

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def format_result_color(self, obj):
    if obj.media == 'A':
        color = 'green'
    elif obj.media == 'R':
        color = 'red'
    else:
        color = 'orange'
    return '<p style="color: {}">{}</p>'.format(color, obj.media)
format_result_color.allow_tags = True

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#!/usr/bin/python3
from urllib.request import Request, urlopen

busca = input('O que deseja buscar? :')

headers = {'User-Agent': 'Mozilla/5.0'}
url = Request('http://www.google.com.br/search?q=' + busca, headers=headers)

response = urlopen(url).read()
response = response.decode('utf8')