Download E-books Python Network Programming Cookbook PDF

Over 70 distinctive recipes to advance sensible recommendations for quite a lot of realworld community programming tasks

About This Book

  • Demonstrates tips on how to write a number of besopke client/server networking purposes utilizing common and well known third-party Python libraries
  • Learn easy methods to improve patron courses for networking protocols reminiscent of HTTP/HTTPS, SMTP, POP3, FTP, CGI, XML-RPC, cleaning soap and REST
  • Provides useful, hands-on recipes mixed with brief and concise reasons on code snippets

Who This e-book Is For

If you're a community programmer, system/network administrator, or an online software developer, this ebook is perfect for you. you'll have a simple familiarity with the Python programming language and TCP/IP networking ideas. even if while you are a beginner, you are going to boost an realizing of the strategies as you move with this e-book. This e-book will function a supplementary fabric for constructing hands-on abilities in any educational path on community programming.

What you'll Learn

  • Develop TCP/IP networking client/server applications
  • Administer neighborhood machines' IPv4/IPv6 community interfaces
  • Write multi-purpose effective net consumers for HTTP and HTTPS protocols
  • Create electronic mail consumers to paintings with universal email protocols similar to SMTP, POP3, IMAP, and so on.
  • Scrape web content and look for helpful information
  • Perform distant procedure management projects over Telnet and SSH connections
  • Interact with renowned web content through net providers reminiscent of XML-RPC, cleaning soap, and relaxation APIs
  • Monitor and study significant universal community defense vulnerabilities

In Detail

Python is a wonderful language to exploit to put in writing code and feature enjoyable by way of prototyping purposes fast. The presence of plenty of third-party libraries, often referred to as batteries, makes it much more more straightforward and swifter to prototype an program or to enforce a brand new set of rules. when you are attracted to growing the construction blocks for lots of sensible internet and networking functions that depend upon networking protocols then this booklet is a must-have.

This publication highlights significant facets of community programming in Python ranging from writing basic networking consumers, to constructing complicated screen-scraping and community protection tracking scripts. It creates the development blocks for lots of functional net and networking functions that depend upon a number of networking protocols. This e-book provides the facility and wonder of Python in fixing the varied real-world projects within the quarter of community programming, procedure and community management, community tracking, and web-application improvement.

This publication develops your skill to unravel a variety of community programming projects in Python. we are going to begin through exploring the Python general library services to create client/server community and control your neighborhood networking assets to be had below either IPv4 and IPv6. the sensible concentration keeps with developing net and e mail consumers, scraping web content, fetching info from a number of web content, and looking out for info on the internet similar to Amazon, Flickr, and different websites. It extra develops your talents to research your community protection vulnerabilities utilizing complicated community packet trap and research techniques.

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Flickr, a well-known picture sharing site, has a leisure interface. Let's try and assemble a few picture details to construct a really good database or different photo-related program. tips on how to do it... we'd like the remainder URLs for making the HTTP requests. For simplicity's sake, the URLs are not easy coded during this recipe. we will use the third-party requests module to make the remaining requests. It has the handy get(), post(), put(), and delete() tools. so that it will consult Flickr internet companies, you must check in your self and get a mystery API key. This API key might be put in a local_settings. py dossier or provided through the command line. directory eight. four offers the code for accumulating a few picture info from Flickr utilizing leisure, as proven: #! /usr/bin/env python # Python community Programming Cookbook -- bankruptcy – eight # This application is optimized for Python 2. 7. # it might run on the other model with/without changes. 179 Working with internet companies – XML-RPC, cleaning soap, and leisure import argparse import json import requests try out: from local_settings import flickr_apikey other than ImportError: go def collect_photo_info(api_key, tag, max_count): """Collects a few fascinating information approximately a few images from Flickr. com for a given tag """ photo_collection = [] url = "http://api. flickr. com/services/rest/? method=flickr. photographs. search&tags=%s&format=json&nojsoncallback=1&api_key=%s" %(tag, api_ key) resp = requests. get(url) effects = resp. json() count number = zero for p in results['photos']['photo']: if count number >= max_count: go back photo_collection print 'Processing photograph: "%s"' % p['title'] picture = {} url = "http://api. flickr. com/services/rest/? method=flickr. pictures. getInfo&photo_id=" + p['id'] + "&format=json&nojsoncallback=1&a pi_key=" + api_key details = requests. get(url). json() photo["flickrid"] = p['id'] photo["title"] = info['photo']['title']['_content'] photo["description"] = info['photo']['description']['_ content'] photo["page_url"] = info['photo']['urls']['url'][0]['_ content'] photo["farm"] = info['photo']['farm'] photo["server"] = info['photo']['server'] photo["secret"] = info['photo']['secret'] # reviews numcomments = int(info['photo']['comments']['_content']) if numcomments: #print " Now analyzing reviews (%d)... " % numcomments url = "http://api. flickr. com/services/rest/? method=flickr. images. reviews. getList&photo_id=" + p['id'] + "&format=json&nojsoncal lback=1&api_key=" + api_key reviews = requests. get(url). json() one hundred eighty Chapter eight photo["comment"] = [] for c in comments['comments']['comment']: remark = {} comment["body"] = c['_content'] comment["authorid"] = c['author'] comment["authorname"] = c['authorname'] photo["comment"]. append(comment) photo_collection. append(photo) count number = count number + 1 go back photo_collection if __name__ == '__main__': parser = argparse. ArgumentParser(description='Get picture information from Flickr') parser. add_argument('--api-key', action="store", dest="api_key", default=flickr_apikey) parser. add_argument('--tag', action="store", dest="tag", default='Python') parser. add_argument('--max-count', action="store", dest="max_ count", default=3, type=int) # parse arguments given_args = parser.

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