Adnan Siddiqi kadnan

## beautiful_idiomatic_python.md

      
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                kadnan
                / beautiful_idiomatic_python.md
            
            
              Created
              March 15, 2017 06:25
                — forked from JeffPaine/beautiful_idiomatic_python.md
            
              
                Transforming Code into Beautiful, Idiomatic Python: notes from Raymond Hettinger's talk at pycon US 2013. 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!
              
          
    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]:

  
## listing_seq.py
import requests
from bs4 import BeautifulSoup
from time import sleep


def get_listing(url):
    headers = {
        'user-agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.143 Safari/537.36'}
    html = None
    links = None

## RegisterController.php
<?php

namespace App\Http\Controllers\Auth;

use App\User;
use League\Flysystem\Exception;
use Validator;
use App\Http\Controllers\Controller;
use Illuminate\Foundation\Auth\RegistersUsers;
use Socialite;

## mergcsv.php
<?php
$files_to_read = ['file1.csv', 'file2.csv', 'file3.csv'];
$all = [];
$merged_file = [];
$_row = [];
$val = '';

/**
 * Read CSV file and return data associated with it's key
 * @param $file_name

## predict.py
"""
    Labels : Lost, Draw, Won [-1,0,1]
    Features
    ==========
        Toss(Lost,Won) = [-1,1]
        Bat(First, Second) = [-1,1]
"""

# Import Library of Gaussian Naive Bayes model
from sklearn.naive_bayes import GaussianNB

## transform_data.py
import pandas as pd
file_name = 'data_england_test.csv'
fields = ['Result','Toss','Bat']
df = pd.read_csv(file_name,skipinitialspace=True,usecols=fields)
df.to_csv('data_england_test_filter.csv',index=False)

# Convert features and labels into digits
df_replace = df.replace(['lost','draw','won','1st','2nd'],[-1,0,1,-1,1])
dataset_length = len(df_replace)
# 67% of training data

## grab_data.py
"""
This will grab the data from CricInfo Site about TestMatch Played by Pakistan against England from 1954-till now
"""
import requests
from bs4 import BeautifulSoup
url = 'http://stats.espncricinfo.com/ci/engine/team/7.html?class=1;opposition=1;template=results;type=team;view=results'

r = requests.get(url)
html = r.text

## migrate.sh
#!/bin/sh

wget http://dev.mysql.com/get/Downloads/MySQL-5.7/mysql-5.7.9-osx10.10-x86_64.tar.gz
tar xfvz mysql-5.7*

echo "stopping mamp"
sudo /Applications/MAMP/bin/stop.sh
sudo killall httpd mysqld

echo "creating backup"
	import requests
	from bs4 import BeautifulSoup
	from time import sleep


	def get_listing(url):
	headers = {
	'user-agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.143 Safari/537.36'}
	html = None
	links = None
	<?php

	namespace App\Http\Controllers\Auth;

	use App\User;
	use League\Flysystem\Exception;
	use Validator;
	use App\Http\Controllers\Controller;
	use Illuminate\Foundation\Auth\RegistersUsers;
	use Socialite;
	<?php
	$files_to_read = ['file1.csv', 'file2.csv', 'file3.csv'];
	$all = [];
	$merged_file = [];
	$_row = [];
	$val = '';

	/**
	* Read CSV file and return data associated with it's key
	* @param $file_name
	"""
	Labels : Lost, Draw, Won [-1,0,1]
	Features
	==========
	Toss(Lost,Won) = [-1,1]
	Bat(First, Second) = [-1,1]
	"""

	# Import Library of Gaussian Naive Bayes model
	from sklearn.naive_bayes import GaussianNB
	import pandas as pd
	file_name = 'data_england_test.csv'
	fields = ['Result','Toss','Bat']
	df = pd.read_csv(file_name,skipinitialspace=True,usecols=fields)
	df.to_csv('data_england_test_filter.csv',index=False)

	# Convert features and labels into digits
	df_replace = df.replace(['lost','draw','won','1st','2nd'],[-1,0,1,-1,1])
	dataset_length = len(df_replace)
	# 67% of training data
	"""
	This will grab the data from CricInfo Site about TestMatch Played by Pakistan against England from 1954-till now
	"""
	import requests
	from bs4 import BeautifulSoup
	url = 'http://stats.espncricinfo.com/ci/engine/team/7.html?class=1;opposition=1;template=results;type=team;view=results'

	r = requests.get(url)
	html = r.text
	#!/bin/sh

	wget http://dev.mysql.com/get/Downloads/MySQL-5.7/mysql-5.7.9-osx10.10-x86_64.tar.gz
	tar xfvz mysql-5.7*

	echo "stopping mamp"
	sudo /Applications/MAMP/bin/stop.sh
	sudo killall httpd mysqld

	echo "creating backup"