This time we chat with Guido van Rossum, Monty Python and Hitchhikers Guide to the Galaxy fan. Van Rossum is best known as the author of Python, and currently works for Google, CA where he gets to spend at least half his time developing the language.
Please note that we are no longer following exact alphabetical order for this series, due to popular demand. If you'd like to submit any suggestions for programming languages or language authors that you'd like to see covered, please email firstname.lastname@example.org.
What was the motivation behind the development of such a productive programming language?
Long ago, around 1989, at CWI in Amsterdam, I was part of a group developing a novel operating system. We found that we needed to write a lot of applications to support users, and that writing these in C our productivity was atrocious. This made me want to use something like ABC, a language I had help implemented (also at CWI) earlier that decade.
ABC had much higher productivity than C, at the cost of a runtime penalty that was often acceptable for the kind of support applications we wanted to write: things that run only occasionally, for a short period of time, but possibly using complex logic. However, ABC had failed to gain popularity, for a variety of reasons, and was no longer being maintained (although you can still download it from http://homepages.cwi.nl/~steven/abc/). It also wasn't directly usable for our purpose -- ABC had been designed more as a teaching and data manipulation language, and its capabilities for interacting with the operating system (which we needed) were limited to non-existent by design.
Being youthful at the time I figured I could design and implement a language "almost, but not quite, entirely unlike" ABC, improving upon ABC's deficiencies, and solve our support applications problem, so around Christmas 1989, I started hacking. For various reasons, soon after Python was complete enough to be used, that particular project was no longer as relevant, but Python proved useful to other projects at CWI, and in early 1991 (i.e. a little over a year after I started) we did the first open source release (well before the term open source had even been invented).
Was there a particular problem you were trying to solve?
Programmer productivity. My observation at the time was that computers were getting faster and cheaper at an incredible rate. Today this effect is of course known as Moore's law. At the same time, as long as the same programming languages were being used, the cost of the programmers to program them remained was not going down. So I set out to come up with a language that made programmers more productive, and if that meant that the programs would run a bit slower, well, that was an acceptable trade-off. Through my work on implementing ABC I had a lot of good ideas on how to do this.
Are you a Monty Python fan (given the name and other elements of the language derive from Monty Python's Flying Circus)?
Yes, this is where I took the language's name. The association with the snake of the same name was forced upon me by publishers who didn't want to license Monty-Python artwork for their book covers. I'm also into the Hitchhiker's Guide to the Galaxy, though I'm not into much other staples of geek culture (e.g. no sci-fi or fantasy, no role playing games, and definitely no computer gaming).
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Join Lee Benjamin, a Microsoft Exchange MVP and Ryan Shipkowski, network administrator for Matthews, to discuss the process and ROI of implementing an email archiving solution, with emphasis on a case study from Matthews International.