Python for Application Integration and Development
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This document provides an overview of Python for application integration and development. It discusses the history and features of Python, how Python can be used as a research workbench with various scientific libraries, for web development with frameworks and content management systems, and the large Python community. The document concludes that Python serves as a good first language to learn and for gluing together other languages and tools to improve team productivity.
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Python for Application Integration and Development
- 1. Python for Application Integration and Development Python for Application Integration and Development 胡崇偉 marr 2012/10/30 組內報告 Copyright © Elitegroup Computer Systems. All Rights Reserved Page1
- 2. Agenda History of Python Python Features Python as Research Workbench Python for Web Development Python Community Conclusion 組內報告 2012/10/30 2
- 3. 70s, In the Xerox PARC asked: Can we have a computer on every desk? 組內報告 2012/10/30 3
- 4. A follow-up Question: What will happen if users can program their own computer? 組內報告 2012/10/30 4
- 5. History of Python Guido van Rossum created Python when he was working at CWI (Centrum Wiskunde & Informatica) during 1989 - 1991 組內報告 2012/10/30 5
- 6. Python Chronology CP4E 2009 Programming as Education a Literacy 2004 2001 CNRI Commercial 1995 1994 CWI 1989 comp.lang.python Research 組內報告 2012/10/30 6
- 7. The Year When My Script Looks Like… use CGI; my $q = CGI->new(); say $q->header(), $q->start_html(); say "<h1>Parameters</h1>"; for my $param ($q->param()) { my $safe_param = $q->escapeHTML($param); say "<p><strong>$safe_param</strong>: "; for my $value ($q->param($param)) { say $q->escapeHTML($value); } say '</p>'; } say $q->end_html(); 組內報告 2012/10/30 7
- 8. My Brain Just Hardly Fits Them… my $q%&*#@->{~(,)}; Even Worse… inconsistent coding style? 組內報告 2012/10/30 8
- 9. Python Features: Easy to Learn if ’smiths’ in RegisterList: sendNote(‘VIP registered’) elif ’doe’ not in RegisterList: startPlan(‘B’) else: print len(RegisterList) length() will return # of elements 組內報告 2012/10/30 9
- 10. Python Features: Indentation if ’smiths’ in RegisterList: sendNote(‘VIP registered’) elif ’doe’ not in RegisterList: startPlan(‘B’) else: print(len(RegisterList)) Indentation with white spaces 組內報告 2012/10/30 10
- 11. Readability counts Programs are meant to be read by humans and only incidentally for computers to execute -- Donald Knuth 組內報告 2012/10/30 11
- 12. The Zen of Python, by Tim Peters There should be one – and preferably only one – obvious way to do it. Toward Pythonic Thinking • Having one way to do it is an advantage. Once the idioms are hardwired in your brain, you’d have instant recognition. 組內報告 2012/10/30 12
- 13. Python as Research Workbench Pythonmakes it easy to balance high-level programming with low-level optimization. Python excels at gluing other languages. Numerous libraries provide the needed functionality for scientific. Python incorporates documentation and testing directly into the language itself. 組內報告 2012/10/30 13
- 14. reStructuredText Example .. math:: Gamma(z) = int_0^infty x^{z-1}e^{-x},dx 組內報告 2012/10/30 14
- 15. Research Libraries Fortran to Python interface generator ctypes 組內報告 2012/10/30 15
- 16. GIS and SQL Tools Shapely PyPROJ geopy Fiona ArcPy 組內報告 2012/10/30 16
- 17. Python for Web Development Common Ways to Have Your Web Sites: • Building Them with Frameworks • Building Them with CMSes Your You Website are here here 組內報告 2012/10/30 17
- 18. Plone, a Python based CMS CMS = Contents Stored in Database Added/Edited by User/Group Managed with Workflow Searchable via Index/Catalog or simply… Forms in Database 組內報告 2012/10/30 18
- 19. Form Elements CMS = Contents Stored in Database Added/Edited by User/Group Managed with Workflow Searchable via Index/Catalog 組內報告 2012/10/30 19
- 20. Dexterity Content Types 組內報告 2012/10/30 20
- 21. Form Behaviors CMS = Contents Stored in Database Added/Edited by User/Group Managed with Workflow Searchable via Index/Catalog 組內報告 2012/10/30 21
- 22. Form Behaviors: Maps Enabled 組內報告 2012/10/30 22
- 23. More Packages Needed? Python Packages are distributed as Eggs and listed on http://pypi.python.org/ 組內報告 2012/10/30 23
- 24. Community 組內報告 2012/10/30 24
- 25. The Python Paradox, by Paul Graham • You could get smarter programmers to work on a Python project than you could to work on a Java project. • If a company chooses to write its software in a comparatively esoteric language, they'll be able to hire better programmers, because they'll attract only those who cared enough to learn it. • The language to learn, if you want to get a good job, is a language that people don't learn merely to get a job. 組內報告 2012/10/30 25
- 26. Conclusion Python serves well as the first language to learn, even better as the glue when working with other languages or tools. It helps to improve team productivity. Get more: Extending with C/C++ or Embedding in Applications Google Engineering Decision: Python where we can, C++ where we must 組內報告 2012/10/30 26
- 27. Python Style Ending if questions: try: answer() except RuntimeError: pass else: print(‘Thank You.’) 組內報告