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The BBC picked up the story.
I'm assuming the chapters are written so that you can "jump-in" without having to follow up the preceding material. I only question this point because the reviewer states: "His ideas flow logically from one to the next, incrementally building a story-like chain of problems and Python solutions."
Your assumption is correct. Naturally, in this class of literature, you expect the ability to random-access what you need. The logical flow refers to cohesive units of text that mostly span one chapter.
Granted, the choice of words is vague and the concept of coverage needs elaboration. Despite the distinction that is often made between the 2.x and 3.x branches, some features appear in minor versions belonging to each of them. Specifically, many of the features that were originally intended for 3.0 were back-ported to 2.6 as described in What's New in Python 3.0. In fact, there are library components in 3.0 that were later deprecated in 3.1!
I suppose I was paraphrasing the author's statement about his attempt to write future-proof code (as much as possible), so that most of the code could run unmodified or with minimal modifications. If you understand coverage as such, then there will be no confusion. However, if you understand coverage as the ability to write code that will readily run on both versions (having been tested on both), then you are right in pointing out the discrepancy.
As to the last comment, I surely did not go through an exhaustive proof-reading of the book à la peer review! I don't know about you, but I don't have that much free time to spare on such an adventure, so no, I didn't go through the 1300-page book, looking closely at the statements and library calls to know which versions of Python it covers (2.5, 2.6, 2.7, 3.0, 3.1, or a subset). My aim was to describe the structure of the book and overall place within the literature as well as the benefits that it may endow a programmer to carry out development activities.
Ahmed Al-Saadi is the Principal Software Consultant for Solea Research, a software consultancy and development company based in Montreal, Canada. He spends his free time writing, contemplating software architecture and playing his Flamenco guitar.
Why is there a rat on the cover of a snake book anyway? Perhaps O'Reilly already used a snake picture on the cover of some other book and they didn't wanted to confuse people by having 2 snake books?
Correct! O'Reily's Programming Python already has a snake! I suppose they decided to go with the snake's food.
The two most common things in the Universe are hydrogen and stupidity. -- Harlan Ellison