Get Core Python Applications Programming (3rd Edition) (Core PDF

By Wesley J. Chun

* Already recognize Python yet are looking to examine extra? A lot more? Dive right into a number of issues utilized in perform for real-world functions.
* Covers ordinary expressions, Internet/network programming, GUIs, SQL/databases/ORMs, threading, and net development.
* know about modern improvement developments similar to Google+, Twitter, MongoDB, OAuth, Python three migration, and Java/Jython. offers fresh fabric on Django, Google App Engine, CSV/JSON/XML, and Microsoft workplace. contains Python 2 and three code samples to get you begun correct away!
* presents code snippets, interactive examples, and sensible workouts to assist construct your Python skills.

The whole Developer’s consultant to Python
<p style="margin:0px;">Python is an agile, powerful, and expressive programming language that keeps to construct momentum. It combines the ability of compiled languages with the simplicity and fast improvement of scripting languages. In Core Python functions Programming, 3rd Edition , leading Python developer and company coach Wesley Chun is helping you're taking your Python wisdom to the following level.
<p style="margin:0px;"> 
<p style="margin:0px;">This booklet has every little thing you must turn into a flexible Python developer. you'll be brought to a number of parts of program improvement and achieve wisdom that may be instantly utilized to tasks, and you'll find code samples in either Python 2 and 3, together with migration suggestions if that’s in your roadmap too. a few snippets may even run unmodified on 2.x or 3.x.
<p style="margin:0px;"> 
* examine specialist Python kind, most sensible practices, and reliable programming habits
* construct consumers and servers utilizing TCP, UDP, XML-RPC, and be uncovered to higher-level libraries like SocketServer and Twisted
* boost GUI purposes utilizing Tkinter and different to be had toolkits
* enhance software functionality via writing extensions in C/C++, or improve I/O-bound code with multithreading
* notice SQL and relational databases, ORMs, or even non-relational (NonSQL) databases like MongoDB
* examine the fundamentals of net programming, together with internet consumers and servers, plus CGI and WSGI
* reveal your self to average expressions and strong textual content processing instruments for growing and parsing CSV, JSON, and XML data
* Interface with well known Microsoft workplace functions resembling Excel, PowerPoint, and Outlook utilizing COM purchaser programming
* Dive deeper into internet improvement with the Django framework and cloud computing with Google App Engine
* discover Java programming with Jython, how to run Python code at the JVM
* connect with internet providers Yahoo! Finance to get inventory charges, or Yahoo! Mail, Gmail, and others to obtain or ship e-mail

* bounce into the social media craze through studying tips to connect with the Twitter and Google+ networks
<p style="margin:0px;"> 
<p style="margin:0px;"> Core Python purposes Programming, 3rd version, delivers
* Broad assurance of numerous parts of improvement utilized in real-world purposes today
* Powerful insights into present and top practices for the intermediate Python programmer
* Dozens of code examples, from quickly snippets to full-fledged applications
* A number of routines at the top of each bankruptcy to aid hammer the ideas home
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* Covers center language positive aspects completely, together with these present in the newest Python releases—learn greater than simply the syntax!
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Additional resources for Core Python Applications Programming (3rd Edition) (Core Series)

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However, I’ve noticed that even people who have used Python casually for multiple years don’t always know how flexible Python’s importing infrastructure is.

I’ll skip putting its output here and leave that for you to try. Wrapping Up Let’s review. In this chapter, you learned some basic caching using lru_cache. Then we moved onto partials which lets you “freeze” a portion of your function’s arguments and/or keywords allowing you to create a new object that you can call. Next we used singledispatch to overload functions with Python. While it only allows function overloading based on the first argument, this is still a handy tool to add to your arsenal!

Let’s say we want to ignore the FileNotFoundError exception. txt' As you can see, this context manager doesn’t handle this exception. txt') as fobj: 5 for line in fobj: 6 print(line) Here we import suppress and pass it the exception that we want to ignore, which in this case is the FileNotFoundError exception. If you run this code, you will note that nothing happens as the file does not exist, but an error is also not raised. It should be noted that this context manager is reentrant. This will be explained later on in this section.

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