It does so using a number of relevant examples from current problems, including data analytics and social media. Raymond hettinger the pep 557 dataclasses module is available in starting in python 3. Transforming code into beautiful, idiomatic python. Over the years, many great ideas have combined together to produce the modern implementation in python 3. Raymond hettinger one of the core python programming language developers. Notes from raymond hettingers talk at pycon us 20 video, slides. Persistent dict with multiple standard file formats. 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. Python s class development toolkit pycon us pycon presentation. Beautiful and idiomatic python with raymond hattinger. Dec 15, 2016 abstract python s dictionaries are stunningly good. 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. Mar 16, 20 python s class development toolkit by raymond hettinger short but thorough tutorial on the python s builtin toolset for creating classes.
Jun 06, 2015 but in the 20002002 period, activestates python recipes website was basically it in terms of learning advanced concepts for python. 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. Raymond hettinger learn to take better advantage of pythons best features and improve existing code through a series of code. Whenever youre manipulating indices directly, youre probably doing it wrong. Mar 30, 2016 raymond hettinger would probably say that python 3 allows you to write more beautiful, idiomatic python. 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. Deep thoughts by raymond hettinger ruminations on computers. Transforming code into beautiful, idiomatic python raymond hettinger audience level. From raymond hettinger s transforming code into beautiful, idiomatic python. First of all, he was the one who developed such useful and frequently used builtin functions as set, sorted, reversed and many others. 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. May 26, 2011 the python 2 syntax differs in that the type and object arguments to super are explicit rather than implicit. 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. Descriptors simplify the underlying ccode and offer a flexible set of new tools for everyday.
Searches of all permutations of charactertodigit translations, finding all solutions where the that evaluate to true. All of the following content is copied from his public repository on github transforming code into beautiful, idiomatic python. With this handson guide, youll learn how to write effective, idiomatic python code by leveraging its bestand possibly most neglectedfeatures. Aug, 2019 transforming code into beautiful, idiomatic python. Transforming code into beautiful, idiomatic python friday, march 22, 20 at 8. When i first wanted to learn about python, someone told me that if possible to check out some talks by raymond hettinger. Use features like bookmarks, note taking and highlighting while reading writing idiomatic python 3. Learn to take better advantage of pythons best features and improve existing code through a series of code transformations.
Transforming code into beautiful, idiomatic python python. Python 3 patterns, recipes and idioms python 3 patterns. We look at commonly encountered challenges and how to solve them using python. Transforming code into beautiful, idiomatic python is a video by raymond hettinger. This fun talk is given by raymond hettinger, the python core developer responsible for. Skips permutations that translate any leading digit to zero i. Heres a reasonable explanation for the missing list. 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. Transforming code into beautiful, idiomatic python pycon us pycon presentation. Raymond hettingera prolific python contributorhas a sorted.
These days, i use python 3 without much thought for small scripts that are intended for personal use, with few dependencies. The 3 best python books for your team andrew montalenti. The way timeit works is to run setup code once and then make repeated calls to a series of statements. 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. Chat with a python luminary, mentor or code with a new buddy at the hacker lounge, present your passion project at a. Meta wiki change notes on raymond hettinger s idiomatic python talk should be the first suggestions to programmers checking out python. Tim peters, the zen of python pep 20 the use of commonly understood syntax or coding constructs can aid readability and clarity. I give intermediate level talks several times a year and often recommend his youtube videos as homework for the audience who want to learn more. In fact, if you want to really challenge yourself in python, you should read through all of raymond hettingers recipes. For example if youre io bound waiting on the disk or you called out to some c library, the gil isnt a factor. Pythons class development toolkit by raymond hettinger. Read free writing idiomatic python 3 3 writing idiomatic python 3 3 thank you very much for downloading writing idiomatic python 3 3. Mar 22, 20 raymond hettingers amazing pycon 20 talk.
Alright, ill say it the transforming code into beautiful, idiomatic python talk pycon 20 is immensely useful. Raymond hettinger, keynote on concurrency, pybay 2017. Filename, size file type python version upload date hashes. Writing idiomatic python 3 kindle edition by knupp, jeff. Also, the python 2 version of super only works with newstyle classes those that explicitly inherit from object or other builtin type. Probably the best lecture ive seen, raymond hettinger. By catching nameerror, you can make this work even under python 2. Pythons simplicity lets you become productive quickly, but this often means you arent using everything it has to offer.
The official home of the python programming language. Downloads with progress display and error handling. They are used throughout python itself to implement the new style classes introduced in version 2. Python developers, how pythonic idioms are learned and. Transforming code into beautiful, idiomatic python gists github. Jan 22, 2017 transforming code into beautiful, idiomatic python. They are the mechanism behind properties, methods, static methods, class methods, and super.
Notes from raymond hettinger s talk at pycon us 20 video, slides. Transforming code into beautiful, idiomatic python pycon. Download it once and read it on your kindle device, pc, phones or tablets. Assuming my list is short and performance concerns are negligible, is. Some idioms can be faster or use less memory than their nonidiomatic counterparts. Press question mark to learn the rest of the keyboard shortcuts.
Transforming code into beautiful, idiomatic python github. Raymond hettinger author of the python programming language. For my purpose, the following simpler function runs 4 times faster. It will become an essential part of every python programmers toolkit. Testing examples of raymond hettinger s python idioms kjordahlpythonic. 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. Alphametics solver python recipes activestate code. A python book for learning to write idiomatic code. Mar 24, 20 raymond hettinger raymond hettinger is a freelance programmer with experience in cloud computing, high frequency trading, genomics, and optimization. I used this orderedset in a chain of functions processing lists.
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 raymond. 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. Theres more than one way to do it is not a python motto. That was very good advice and i wasnt disappointed.
All credits to jeffpaine, who summarized this incredibly useful talk of the infamous raymond hattinger. Fast python, slow python pycon us pycon presentation. Notes from raymond hettinger s talk at pycon us 20. Mar 20, 20 raymond hettinger this is a short, but thorough tutorial on the python s builtin toolset for creating classes. The mental game of python raymond hettinger duration. This book is still in progress and is updated frequently. Jan 28, 2011 the python 2 syntax differs in that the type and object arguments to super are explicit rather than implicit. 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. Descriptors are a powerful, general purpose protocol. 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. Python insider by the python core developers is licensed under a creative commons attributionnoncommercialsharealike 3. Transforming code into beautiful, idiomatic python youtube.
Raymond hettinger python core developer, teacher, and consultant. Armin ronacher is, imo, a wicked talented python programer, so i went through these slides with a great deal of interest. Raymond hettinger this is a short, but thorough tutorial on the python s builtin toolset for creating classes. The full working source code using python 2 syntax is at recipe 577721. Learn to take better advantage of python s best features and improve existing code through a series of code transformations. Pybay embraces and is inclusive to everyone who is passionate about the technology and doing good. The code examples and direct quotes are all from raymonds talk. Raymond hettinger is the author of the python programming language 3. 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. Transforming code into beautiful, idiomatic python by raymond. It would also be possible to modify it a bit to easily detect infinite loops.
Transforming code into beautiful, idiomatic python by. Popular recipes by raymond hettinger activestate code. Raymond has been a python core developer for over a decade and has designed or implemented many of the tools you use everyday. Python programmingidioms wikibooks, open books for an open. 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 by raymond hettinger. 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. Ive reproduced them here for my own edification and the hopes that others will find them as handy as i have.
The code below shows how to further restrict what kind of formulas you use in a. Its by far the most concise and useful resource out there for new pythonistas. I studied the code and find it is overloaded with python features. Notes from raymond hettinger s talk at pycon us 20 video, slides the code examples and direct quotes are all from raymond s talk. Python idioms i saw this posted on hn and was interest to know what the reddit python community thought of these slides.