Descriptors simplify the underlying ccode and offer a flexible set of new tools for everyday. Transforming code into beautiful, idiomatic python by raymond hettinger learn to take better advantage of python s best features and improve existing code through a series of code transformations, when you see this, do that instead. Transforming code into beautiful, idiomatic python by raymond hettinger. Python idioms i saw this posted on hn and was interest to know what the reddit python community thought of these slides. Transforming code into beautiful, idiomatic python friday, march 22, 20 at 8. First of all, he was the one who developed such useful and frequently used builtin functions as set, sorted, reversed and many others. Press question mark to learn the rest of the keyboard shortcuts. Mar 24, 20 raymond hettinger raymond hettinger is a freelance programmer with experience in cloud computing, high frequency trading, genomics, and optimization. Raymond hettinger, keynote on concurrency, pybay 2017. With this handson guide, youll learn how to write effective, idiomatic python code by leveraging its bestand possibly most neglectedfeatures. Transforming code into beautiful, idiomatic python raymond hettinger s talk transforming code into beautiful, idiomatic python from pycon 20 features several code examples that show how to take better advantage of python s best features and. Raymond hettingera prolific python contributorhas a sorted. Transforming code into beautiful, idiomatic python gists github.
Raymond s courses are always great, he knows python like the back of his hand and is a core developer, he is also a good teacher and entertaining speaker. The code examples and direct quotes are all from raymonds talk. Python programmingidioms wikibooks, open books for an open. The code below shows how to further restrict what kind of formulas you use in a. Also, the python 2 version of super only works with newstyle classes those that explicitly inherit from object or other builtin type. Fast python, slow python pycon us pycon presentation.
Download it once and read it on your kindle device, pc, phones or tablets. Mar 22, 20 raymond hettingers amazing pycon 20 talk. The full working source code using python 2 syntax is at recipe 577721. Pybay embraces and is inclusive to everyone who is passionate about the technology and doing good. This fun talk is given by raymond hettinger, the python core developer responsible for. Beautiful and idiomatic python with raymond hattinger. Meta wiki change notes on raymond hettinger s idiomatic python talk should be the first suggestions to programmers checking out python.
They are used throughout python itself to implement the new style classes introduced in version 2. Transforming code into beautiful, idiomatic python youtube. This book is still in progress and is updated frequently. Ive reproduced them here for my own edification and the hopes that others will find them as handy as i have. Some idioms can be faster or use less memory than their nonidiomatic counterparts. For example if youre io bound waiting on the disk or you called out to some c library, the gil isnt a factor. When i first wanted to learn about python, someone told me that if possible to check out some talks by raymond hettinger. Descriptors are a powerful, general purpose protocol.
Raymond has been a python core developer for over a decade and has designed or implemented many of the tools you use everyday. Jan 28, 2011 the python 2 syntax differs in that the type and object arguments to super are explicit rather than implicit. Raymond hettinger is the author of the python programming language 3. Transforming code into beautiful, idiomatic python by. Testing examples of raymond hettinger s python idioms kjordahlpythonic.
Filename, size file type python version upload date hashes. Raymond hettinger learn to take better advantage of python s best features and improve existing code through a series of code transformations, when you see this, do that instead. Jan 22, 2017 transforming code into beautiful, idiomatic python. Probably the best lecture ive seen, raymond hettinger. It does so using a number of relevant examples from current problems, including data analytics and social media. Raymond hettinger author of the python programming language. Notes from raymond hettingers talk at pycon us 20 video, slides. Transforming code into beautiful, idiomatic python by raymond. The 3 best python books for your team andrew montalenti. For my purpose, the following simpler function runs 4 times faster. That was very good advice and i wasnt disappointed. Popular recipes by raymond hettinger activestate code.
The way timeit works is to run setup code once and then make repeated calls to a series of statements. Mar 16, 20 python s class development toolkit by raymond hettinger short but thorough tutorial on the python s builtin toolset for creating classes. While it make be inconvenient if want to use data, flag, mode, or format with a keyword argument, it is parallel to the signature of other python containers such as. The code examples and direct quotes are all from raymond s talk. The mental game of python raymond hettinger duration. Transforming code into beautiful, idiomatic python pycon. Notes from raymond hettinger s talk at pycon us 20 video, slides the code examples and direct quotes are all from raymond s talk. As you may know, people have look hundreds times for their chosen novels like this writing idiomatic python 3 3, but end up in malicious downloads. Pythons class development toolkit by raymond hettinger. Notes from raymond hettinger s talk at pycon us 20. Chat with a python luminary, mentor or code with a new buddy at the hacker lounge, present your passion project at a.
Raymond hettinger learn to take better advantage of pythons best features and improve existing code through a series of code. Its by far the most concise and useful resource out there for new pythonistas. Mar 15, 20 transforming code into beautiful, idiomatic python by raymond hettinger learn to take better advantage of pythons best features and improve existing code through a series of code transformations, when you see this, do that instead. Raymond hettinger python core developer, teacher, and consultant. Learn to take better advantage of python s best features and improve existing code through a series of code transformations, when you see this, do that instead. Transforming code into beautiful, idiomatic python raymond. Theres also the question of whether or not you really want to implement async io for a task that you can do with a couple of lines of code.
Raymond hettinger this is a short, but thorough tutorial on the python s builtin toolset for creating classes. Alphametics solver python recipes activestate code. Skips permutations that translate any leading digit to zero i. All credits to jeffpaine, who summarized this incredibly useful talk of the infamous raymond hattinger. Searches of all permutations of charactertodigit translations, finding all solutions where the that evaluate to true.
Transforming code into beautiful, idiomatic python. They are the mechanism behind properties, methods, static methods, class methods, and super. Aug, 2019 transforming code into beautiful, idiomatic python. Writing idiomatic python 3 kindle edition by knupp, jeff. Transforming code into beautiful, idiomatic python python. Python s class development toolkit pycon us pycon presentation. Transforming code into beautiful, idiomatic python is a video by raymond hettinger. Decorator for bindingconstants at python spreadsheet python named tuples python groupby python bloom filter python proofofconcept for a more space python dirt simple mapreduce python compare speeds of different kinds python orderedset python.
We look at commonly encountered challenges and how to solve them using python. If i want this on my existing older code bases, i would just use attrs. A python book for learning to write idiomatic code. Whenever youre manipulating indices directly, youre probably doing it wrong. Transforming code into beautiful, idiomatic python raymond hettinger audience level. Downloads with progress display and error handling. Python developers, how pythonic idioms are learned and. I used this orderedset in a chain of functions processing lists.
Python insider by the python core developers is licensed under a creative commons attributionnoncommercialsharealike 3. By catching nameerror, you can make this work even under python 2. The python 2 syntax differs in that the type and object arguments to super are explicit rather than implicit. Transforming code into beautiful, idiomatic python github. Jun 06, 2015 but in the 20002002 period, activestates python recipes website was basically it in terms of learning advanced concepts for python. Instead of recognizing the potential and future impact of dataclasses, and actually improving the language itself, they went with an attrs copy that relies 100% on existing python s functionality. Assuming my list is short and performance concerns are negligible, is. In fact, if you want to really challenge yourself in python, you should read through all of raymond hettingers recipes. Big ideas and little code in python provides developers with an approach to programming in python that expresses big ideas succinctly, with the minimum of code, allowing the business logic to shine through.
I studied the code and find it is overloaded with python features. Tim peters, the zen of python pep 20 the use of commonly understood syntax or coding constructs can aid readability and clarity. Learn to take better advantage of python s best features and improve existing code through a series of code transformations. Pythons simplicity lets you become productive quickly, but this often means you arent using everything it has to offer. These days, i use python 3 without much thought for small scripts that are intended for personal use, with few dependencies. Python 3 patterns, recipes and idioms python 3 patterns. It will become an essential part of every python programmers toolkit. Persistent dict with multiple standard file formats. All of the following content is copied from his public repository on github transforming code into beautiful, idiomatic python. May 26, 2011 the python 2 syntax differs in that the type and object arguments to super are explicit rather than implicit. Mar 30, 2016 raymond hettinger would probably say that python 3 allows you to write more beautiful, idiomatic python. Dec 15, 2016 abstract python s dictionaries are stunningly good. Alright, ill say it the transforming code into beautiful, idiomatic python talk pycon 20 is immensely useful. Armin ronacher is, imo, a wicked talented python programer, so i went through these slides with a great deal of interest.
Read free writing idiomatic python 3 3 writing idiomatic python 3 3 thank you very much for downloading writing idiomatic python 3 3. Heres a reasonable explanation for the missing list. Over the years, many great ideas have combined together to produce the modern implementation in python 3. Notes from raymond hettinger s talk at pycon us 20 video, slides. Learn to take better advantage of pythons best features and improve existing code through a series of code transformations. From raymond hettinger s transforming code into beautiful, idiomatic python. Mar 20, 20 raymond hettinger this is a short, but thorough tutorial on the python s builtin toolset for creating classes. Deep thoughts by raymond hettinger ruminations on computers. So, i was watching raymond hettinger s talk transforming code into beautiful, idiomatic python and he brings up this form of iter which i was never aware of. So, if you want to test sorting, some care is required so that one pass at an inplace sort doesnt affect the next pass with already sorted data that, of course, would make the timsort really shine because it performs best when the data. Transforming code into beautiful, idiomatic python january 26, 2020 a transcript of raymond hettinger s talk, transforming code into beautiful, idiomatic python from pycon us 20.
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