Core Python Applications Programming (3rd Edition) (Core by Wesley J. Chun

By Wesley J. Chun

* Already comprehend Python yet are looking to study extra? A lot more? Dive right into a number of subject matters utilized in perform for real-world purposes.
* Covers average expressions, Internet/network programming, GUIs, SQL/databases/ORMs, threading, and internet development.
* find out about modern improvement tendencies akin to Google+, Twitter, MongoDB, OAuth, Python three migration, and Java/Jython. provides 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 aid construct your Python skills.


The entire Developer’s advisor to Python
<p style="margin:0px;">Python is an agile, strong, and expressive programming language that maintains to construct momentum. It combines the ability of compiled languages with the simplicity and fast improvement of scripting languages. In Core Python purposes Programming, 3rd Edition , leading Python developer and company coach Wesley Chun is helping you're taking your Python wisdom to the subsequent level.
<p style="margin:0px;"> 
<p style="margin:0px;">This e-book has every little thing you want to develop into a flexible Python developer. you can be brought to a number of components of program improvement and achieve wisdom that may be instantly utilized to initiatives, and you'll find code samples in either Python 2 and 3, together with migration tips if that’s in your roadmap too. a few snippets may even run unmodified on 2.x or 3.x.
<p style="margin:0px;"> 
* study expert Python type, most sensible practices, and solid programming habits
* construct consumers and servers utilizing TCP, UDP, XML-RPC, and be uncovered to higher-level libraries like SocketServer and Twisted
* enhance GUI functions utilizing Tkinter and different on hand toolkits
* increase program functionality through writing extensions in C/C++, or increase I/O-bound code with multithreading
* realize SQL and relational databases, ORMs, or even non-relational (NonSQL) databases like MongoDB
* study the fundamentals of net programming, together with internet consumers and servers, plus CGI and WSGI
* divulge your self to normal expressions and robust textual content processing instruments for growing and parsing CSV, JSON, and XML data
* Interface with renowned Microsoft workplace functions akin to Excel, PowerPoint, and Outlook utilizing COM consumer programming
* Dive deeper into net improvement with the Django framework and cloud computing with Google App Engine
* discover Java programming with Jython, easy methods to run Python code at the JVM
* hook up with net providers Yahoo! Finance to get inventory rates, or Yahoo! Mail, Gmail, and others to obtain or ship e-mail

* bounce into the social media craze by means of studying how one can hook up with the Twitter and Google+ networks
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<p style="margin:0px;"> Core Python functions Programming, 3rd version, delivers
* Broad insurance of numerous components of improvement utilized in real-world functions today
* Powerful insights into present and most sensible practices for the intermediate Python programmer
* Dozens of code examples, from speedy snippets to full-fledged applications
* A number of workouts at the tip of each bankruptcy to aid hammer the ideas home
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Extra resources for Core Python Applications Programming (3rd Edition) (Core Series)

Example text

We will introduce several more in the next section, but for more information on all these and the others that we do not cover, we refer you to the Python documentation. DOTALL The . normally matches any single character except \n; this flag says . VERBOSE All whitespace plus # (and all text after it on a single line) are ignored unless in a character class or backslash-escaped, allowing comments and improving readability a. b. c. 4. 4. 1. ) In the Execution Environment chapter of Core Python Programming or the forthcoming Core Python Language Fundamentals, we describe how Python code is eventually compiled into bytecode, which is then executed by the interpreter.

Not at a word boundary). 4 11 Creating Character Classes ([]) Whereas the dot is good for allowing matches of any symbols, there might be occasions for which there are specific characters that you want to match. For this reason, the bracket symbols ([]) were invented. The regular expression will match any of the enclosed characters. ” For example, c2do, r3p2, r2d2, c3po, etc. One side note regarding the regex [cr][23][dp][o2]—a more restrictive version of this regex would be required to allow only “r2d2” or “c3po” as valid strings.

D{3}) # prefix ... # dash ... (\d{4}) # endpoint number ... ) notation should be fairly popular; with it, you can group parts of a regex, but it does not save them for future retrieval or use. com)', ... :\d{4})', ... P=name) notations together. The former saves matches by using a name identifier rather than using increasing numbers, starting at one and going through N, which are then retrieved later by using \1, \2, ... \N. :\d{4})', ...

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