Introducing Python
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Ironpython in Action
IronPytho IN ACTION Michael J. Foord Christian Muirhead FOREWORD BY JIM HUGUNIN MANNING IronPython in Action Download at Boykma.Com Licensed to Deborah Christiansen <[email protected]> Download at Boykma.Com Licensed to Deborah Christiansen <[email protected]> IronPython in Action MICHAEL J. FOORD CHRISTIAN MUIRHEAD MANNING Greenwich (74° w. long.) Download at Boykma.Com Licensed to Deborah Christiansen <[email protected]> For online information and ordering of this and other Manning books, please visit www.manning.com. The publisher offers discounts on this book when ordered in quantity. For more information, please contact Special Sales Department Manning Publications Co. Sound View Court 3B fax: (609) 877-8256 Greenwich, CT 06830 email: [email protected] ©2009 by Manning Publications Co. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by means electronic, mechanical, photocopying, or otherwise, without prior written permission of the publisher. Many of the designations used by manufacturers and sellers to distinguish their products are claimed as trademarks. Where those designations appear in the book, and Manning Publications was aware of a trademark claim, the designations have been printed in initial caps or all caps. Recognizing the importance of preserving what has been written, it is Manning’s policy to have the books we publish printed on acid-free paper, and we exert our best efforts to that end. Recognizing also our responsibility to conserve the resources of our planet, Manning books are printed on paper that is at least 15% recycled and processed without the use of elemental chlorine. -
Lightweight Django USING REST, WEBSOCKETS & BACKBONE
Lightweight Django USING REST, WEBSOCKETS & BACKBONE Julia Elman & Mark Lavin Lightweight Django LightweightDjango How can you take advantage of the Django framework to integrate complex “A great resource for client-side interactions and real-time features into your web applications? going beyond traditional Through a series of rapid application development projects, this hands-on book shows experienced Django developers how to include REST APIs, apps and learning how WebSockets, and client-side MVC frameworks such as Backbone.js into Django can power the new or existing projects. backend of single-page Learn how to make the most of Django’s decoupled design by choosing web applications.” the components you need to build the lightweight applications you want. —Aymeric Augustin Once you finish this book, you’ll know how to build single-page applications Django core developer, CTO, oscaro.com that respond to interactions in real time. If you’re familiar with Python and JavaScript, you’re good to go. “Such a good idea—I think this will lower the barrier ■ Learn a lightweight approach for starting a new Django project of entry for developers ■ Break reusable applications into smaller services that even more… the more communicate with one another I read, the more excited ■ Create a static, rapid prototyping site as a scaffold for websites and applications I am!” —Barbara Shaurette ■ Build a REST API with django-rest-framework Python Developer, Cox Media Group ■ Learn how to use Django with the Backbone.js MVC framework ■ Create a single-page web application on top of your REST API Lightweight ■ Integrate real-time features with WebSockets and the Tornado networking library ■ Use the book’s code-driven examples in your own projects Julia Elman, a frontend developer and tech education advocate, started learning Django in 2008 while working at World Online. -
102-401-08 3 Fiches SOFTW.Indd
PYPY to be adapted to new platforms, to be used in education Scope and to give new answers to security questions. Traditionally, fl exible computer languages allow to write a program in short time but the program then runs slow- Contribution to standardization er at the end-user. Inversely, rather static languages run 0101 faster but are tedious to write programs in. Today, the and interoperability issues most used fl exible and productive computer languages Pypy does not contribute to formal standardization proc- are hard to get to run fast, particularly on small devices. esses. However, Pypy’s Python implementation is practi- During its EU project phase 2004-2007 Pypy challenged cally interoperable and compatible with many environ- this compromise between fl exibility and speed. Using the ments. Each night, around 12 000 automatic tests ensure platform developed in Pypy, language interpreters can that it remains robust and compatible to the mainline now be written at a higher level of abstraction. Pypy au- Python implementation. tomatically produces effi cient versions of such language interpreters for hardware and virtual target environ- Target users / sectors in business ments. Concrete examples include a full Python Inter- 010101 10 preter, whose further development is partially funded by and society the Google Open Source Center – Google itself being a Potential users are developers and companies who have strong user of Python. Pypy also showcases a new way of special needs for using productive dynamic computer combining agile open-source development and contrac- languages. tual research. It has developed methods and tools that support similar projects in the future. -
Scons API Docs Version 4.2
SCons API Docs version 4.2 SCons Project July 31, 2021 Contents SCons Project API Documentation 1 SCons package 1 Module contents 1 Subpackages 1 SCons.Node package 1 Submodules 1 SCons.Node.Alias module 1 SCons.Node.FS module 9 SCons.Node.Python module 68 Module contents 76 SCons.Platform package 85 Submodules 85 SCons.Platform.aix module 85 SCons.Platform.cygwin module 85 SCons.Platform.darwin module 86 SCons.Platform.hpux module 86 SCons.Platform.irix module 86 SCons.Platform.mingw module 86 SCons.Platform.os2 module 86 SCons.Platform.posix module 86 SCons.Platform.sunos module 86 SCons.Platform.virtualenv module 87 SCons.Platform.win32 module 87 Module contents 87 SCons.Scanner package 89 Submodules 89 SCons.Scanner.C module 89 SCons.Scanner.D module 93 SCons.Scanner.Dir module 93 SCons.Scanner.Fortran module 94 SCons.Scanner.IDL module 94 SCons.Scanner.LaTeX module 94 SCons.Scanner.Prog module 96 SCons.Scanner.RC module 96 SCons.Scanner.SWIG module 96 Module contents 96 SCons.Script package 99 Submodules 99 SCons.Script.Interactive module 99 SCons.Script.Main module 101 SCons.Script.SConsOptions module 108 SCons.Script.SConscript module 115 Module contents 122 SCons.Tool package 123 Module contents 123 SCons.Variables package 125 Submodules 125 SCons.Variables.BoolVariable module 125 SCons.Variables.EnumVariable module 125 SCons.Variables.ListVariable module 126 SCons.Variables.PackageVariable module 126 SCons.Variables.PathVariable module 127 Module contents 127 SCons.compat package 129 Module contents 129 Submodules 129 SCons.Action -
Ejercicio 2 Bottle: Python Web Framework
UNIVERSIDAD SAN PABLO - CEU departamento de tecnologías de la información ESCUELA POLITÉCNICA SUPERIOR 2015-2016 ASIGNATURA CURSO GRUPO tecnologías para la programación y el diseño web i 2 01 CALIFICACION EVALUACION APELLIDOS NOMBRE DNI OBSERVACIONES FECHA FECHA ENTREGA Tecnologías para el desarrollo web 24/02/2016 18/03/2016 Ejercicio 2 A continuación se muestran varios enlaces con información sobre la web y un tutorial para el desarrollo de una aplicación web genérica, con conexión a una base de datos y la utilización de plantillas para presentar la información. ‣ Python Web Framework http://bottlepy.org/docs/dev/ ‣ World Wide Web consortium http://www.w3.org ‣ Web Design and Applications http://www.w3.org/standards/webdesign/ Navegador 100.000 pies Website (Safari, Firefox, Internet - Cliente - servidor (vs. P2P) uspceu.com Chrome, ...) 50.000 pies - HTTP y URIs 10.000 pies html Servidor web Servidor de Base de - XHTML y CSS (Apache, aplicaciones datos Microsoft IIS, (Rack) (SQlite, WEBRick, ...) 5.000 pies css Postgres, ...) - Arquitectura de tres capas - Escalado horizontal Capa de Capa de Capa de Presentación Lógica Persistencia 1.000 pies Contro- - Modelo - Vista - Controlador ladores - MVC vs. Front controller o Page controller Modelos Vistas 500 pies - Active Record - REST - Template View - Modelos Active Record vs. Data Mapper - Data Mapper - Transform View - Controladores RESTful (Representational State Transfer for self-contained actions) - Template View vs. Transform View Bottle: Python Web Framework Bottle is a fast, simple and lightweight WSGI micro web-framework for Python. It is distributed as a single file module and has no dependencies other than the Python Standard Library. -
Porting of Micropython to LEON Platforms
Porting of MicroPython to LEON Platforms Damien P. George George Robotics Limited, Cambridge, UK TEC-ED & TEC-SW Final Presentation Days ESTEC, 10th June 2016 George Robotics Limited (UK) I a limited company in the UK, founded in January 2014 I specialising in embedded systems I hardware: design, manufacturing (via 3rd party), sales I software: development and support of MicroPython code D.P. George (George Robotics Ltd) MicroPython on LEON 2/21 Motivation for MicroPython Electronics circuits now pack an enor- mous amount of functionality in a tiny package. Need a way to control all these sophisti- cated devices. Scripting languages enable rapid development. Is it possible to put Python on a microcontroller? Why is it hard? I Very little memory (RAM, ROM) on a microcontroller. D.P. George (George Robotics Ltd) MicroPython on LEON 3/21 Why Python? I High-level language with powerful features (classes, list comprehension, generators, exceptions, . ). I Large existing community. I Very easy to learn, powerful for advanced users: shallow but long learning curve. I Ideal for microcontrollers: native bitwise operations, procedural code, distinction between int and float, robust exceptions. I Lots of opportunities for optimisation (this may sound surprising, but Python is compiled). D.P. George (George Robotics Ltd) MicroPython on LEON 4/21 Why can't we use existing CPython? (or PyPy?) I Integer operations: Integer object (max 30 bits): 4 words (16 bytes) Preallocates 257+5=262 ints −! 4k RAM! Could ROM them, but that's still 4k ROM. And each integer outside the preallocated ones would be another 16 bytes. I Method calls: led.on(): creates a bound-method object, 5 words (20 bytes) led.intensity(1000) −! 36 bytes RAM! I For loops: require heap to allocate a range iterator. -
WEB2PY Enterprise Web Framework (2Nd Edition)
WEB2PY Enterprise Web Framework / 2nd Ed. Massimo Di Pierro Copyright ©2009 by Massimo Di Pierro. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, scanning, or otherwise, except as permitted under Section 107 or 108 of the 1976 United States Copyright Act, without either the prior written permission of the Publisher, or authorization through payment of the appropriate per-copy fee to the Copyright Clearance Center, Inc., 222 Rosewood Drive, Danvers, MA 01923, (978) 750-8400, fax (978) 646-8600, or on the web at www.copyright.com. Requests to the Copyright owner for permission should be addressed to: Massimo Di Pierro School of Computing DePaul University 243 S Wabash Ave Chicago, IL 60604 (USA) Email: [email protected] Limit of Liability/Disclaimer of Warranty: While the publisher and author have used their best efforts in preparing this book, they make no representations or warranties with respect to the accuracy or completeness of the contents of this book and specifically disclaim any implied warranties of merchantability or fitness for a particular purpose. No warranty may be created ore extended by sales representatives or written sales materials. The advice and strategies contained herein may not be suitable for your situation. You should consult with a professional where appropriate. Neither the publisher nor author shall be liable for any loss of profit or any other commercial damages, including but not limited to special, incidental, consequential, or other damages. Library of Congress Cataloging-in-Publication Data: WEB2PY: Enterprise Web Framework Printed in the United States of America. -
Technology Adoption in Input-Output Networks
A Service of Leibniz-Informationszentrum econstor Wirtschaft Leibniz Information Centre Make Your Publications Visible. zbw for Economics Han, Xintong; Xu, Lei Working Paper Technology adoption in input-output networks Bank of Canada Staff Working Paper, No. 2019-51 Provided in Cooperation with: Bank of Canada, Ottawa Suggested Citation: Han, Xintong; Xu, Lei (2019) : Technology adoption in input-output networks, Bank of Canada Staff Working Paper, No. 2019-51, Bank of Canada, Ottawa This Version is available at: http://hdl.handle.net/10419/210791 Standard-Nutzungsbedingungen: Terms of use: Die Dokumente auf EconStor dürfen zu eigenen wissenschaftlichen Documents in EconStor may be saved and copied for your Zwecken und zum Privatgebrauch gespeichert und kopiert werden. personal and scholarly purposes. Sie dürfen die Dokumente nicht für öffentliche oder kommerzielle You are not to copy documents for public or commercial Zwecke vervielfältigen, öffentlich ausstellen, öffentlich zugänglich purposes, to exhibit the documents publicly, to make them machen, vertreiben oder anderweitig nutzen. publicly available on the internet, or to distribute or otherwise use the documents in public. Sofern die Verfasser die Dokumente unter Open-Content-Lizenzen (insbesondere CC-Lizenzen) zur Verfügung gestellt haben sollten, If the documents have been made available under an Open gelten abweichend von diesen Nutzungsbedingungen die in der dort Content Licence (especially Creative Commons Licences), you genannten Lizenz gewährten Nutzungsrechte. may exercise further usage rights as specified in the indicated licence. www.econstor.eu Staff Working Paper/Document de travail du personnel 2019-51 Technology Adoption in Input-Output Networks by Xintong Han and Lei Xu Bank of Canada staff working papers provide a forum for staff to publish work-in-progress research independently from the Bank’s Governing Council. -
Goless Documentation Release 0.6.0
goless Documentation Release 0.6.0 Rob Galanakis July 11, 2014 Contents 1 Intro 3 2 Goroutines 5 3 Channels 7 4 The select function 9 5 Exception Handling 11 6 Examples 13 7 Benchmarks 15 8 Backends 17 9 Compatibility Details 19 9.1 PyPy................................................... 19 9.2 Python 2 (CPython)........................................... 19 9.3 Python 3 (CPython)........................................... 19 9.4 Stackless Python............................................. 20 10 goless and the GIL 21 11 References 23 12 Contributing 25 13 Miscellany 27 14 Indices and tables 29 i ii goless Documentation, Release 0.6.0 • Intro • Goroutines • Channels • The select function • Exception Handling • Examples • Benchmarks • Backends • Compatibility Details • goless and the GIL • References • Contributing • Miscellany • Indices and tables Contents 1 goless Documentation, Release 0.6.0 2 Contents CHAPTER 1 Intro The goless library provides Go programming language semantics built on top of gevent, PyPy, or Stackless Python. For an example of what goless can do, here is the Go program at https://gobyexample.com/select reimplemented with goless: c1= goless.chan() c2= goless.chan() def func1(): time.sleep(1) c1.send(’one’) goless.go(func1) def func2(): time.sleep(2) c2.send(’two’) goless.go(func2) for i in range(2): case, val= goless.select([goless.rcase(c1), goless.rcase(c2)]) print(val) It is surely a testament to Go’s style that it isn’t much less Python code than Go code, but I quite like this. Don’t you? 3 goless Documentation, Release 0.6.0 4 Chapter 1. Intro CHAPTER 2 Goroutines The goless.go() function mimics Go’s goroutines by, unsurprisingly, running the routine in a tasklet/greenlet. -
A Guide to Brazil's Oil and Oil Derivatives Compliance Requirements
A Guide to Brazil’s Oil and Oil Derivatives Compliance Requirements A Guide to Importing Petroleum Products (Oil and Oil Derivatives) into Brazil 1. Scope 2. General View of the Brazilian Regulatory Framework 3. Regulatory Authorities for Petroleum Products 3.1 ANP’s Technical Regulations 3.2 INMETRO’s Technical Regulations 4. Standards Developing Organizations 4.1 Brazilian Association of Technical Standards (ABNT) 5. Certifications and Testing Bodies 5.1 Certification Laboratories Listed by Inmetro 5.2 Testing Laboratories Listed by Inmetro 6. Government Partners 7. Major Market Entities 1 A Guide to Importing Petroleum Products (Oil and Oil Derivatives) into Brazil 1. Scope This guide addresses all types of petroleum products regulated in Brazil. 2. General Overview of the Brazilian Regulatory Framework Several agencies at the federal level have the authority to issue technical regulations in the particular areas of their competence. Technical regulations are always published in the Official Gazette and are generally based on international standards. All agencies follow similar general procedures to issue technical regulations. They can start the preparation of a technical regulation ex officio or at the request of a third party. If the competent authority deems it necessary, a draft regulation is prepared and published in the Official Gazette, after carrying out an impact assessment of the new technical regulation. Technical regulations take the form of laws, decrees or resolutions. Brazil normally allows a six-month period between the publication of a measure and its entry into force. Public hearings are also a way of promoting the public consultation of the technical regulations. -
Setting up Your Environment
APPENDIX A Setting Up Your Environment Choosing the correct tools to work with asyncio is a non-trivial choice, since it can significantly impact the availability and performance of asyncio. In this appendix, we discuss the interpreter and the packaging options that influence your asyncio experience. The Interpreter Depending on the API version of the interpreter, the syntax of declaring coroutines change and the suggestions considering API usage change. (Passing the loop parameter is considered deprecated for APIs newer than 3.6, instantiating your own loop should happen only in rare circumstances in Python 3.7, etc.) Availability Python interpreters adhere to the standard in varying degrees. This is because they are implementations/manifestations of the Python language specification, which is managed by the PSF. At the time of this writing, three relevant interpreters support at least parts of asyncio out of the box: CPython, MicroPython, and PyPy. © Mohamed Mustapha Tahrioui 2019 293 M. M. Tahrioui, asyncio Recipes, https://doi.org/10.1007/978-1-4842-4401-2 APPENDIX A SeTTinG Up YouR EnViROnMenT Since we are ideally interested in a complete or semi-complete implementation of asyncio, our choice is limited to CPython and PyPy. Both of these products have a great community. Since we are ideally using a lot powerful stdlib features, it is inevitable to pose the question of implementation completeness of a given interpreter with respect to the Python specification. The CPython interpreter is the reference implementation of the language specification and hence it adheres to the largest set of features in the language specification. At the point of this writing, CPython was targeting API version 3.7. -
For Fuel 1 (BDN) at 550, 1,100 and 1,650 Bar Injection Pressures
City Research Online City, University of London Institutional Repository Citation: Fatmi, Zeeshan (2018). Optical and chemical characterisation of the effects of high-pressure hydrodynamic cavitation on diesel fuel. (Unpublished Doctoral thesis, City, University of London) This is the accepted version of the paper. This version of the publication may differ from the final published version. Permanent repository link: https://openaccess.city.ac.uk/id/eprint/22683/ Link to published version: Copyright: City Research Online aims to make research outputs of City, University of London available to a wider audience. Copyright and Moral Rights remain with the author(s) and/or copyright holders. URLs from City Research Online may be freely distributed and linked to. Reuse: Copies of full items can be used for personal research or study, educational, or not-for-profit purposes without prior permission or charge. Provided that the authors, title and full bibliographic details are credited, a hyperlink and/or URL is given for the original metadata page and the content is not changed in any way. City Research Online: http://openaccess.city.ac.uk/ [email protected] OPTICAL AND CHEMICAL CHARACTERISATION OF THE EFFECTS OF HIGH-PRESSURE HYDRODYNAMIC CAVITATION ON DIESEL FUEL Zeeshan Fatmi This thesis is submitted in fulfilment of the requirements of the degree of Doctor of Philosophy School of Mathematics, Computer Science and Engineering Department of Mechanical Engineering February 2018 i Table of Contents 2.1 Diesel Fuel................................................................................................................... 7 2.1.1 Distillation from Crude Oil and Conversion Processes ....................................... 7 2.1.2 Diesel Fuel Components .................................................................................... 10 2.1.3 Diesel Fuel Properties and Performance Parameters ........................................