I bought the TurboGears book about two weeks ago, and I have been working through it. I like the book in general, but I agree with the reviewers on Amazon that complain about the number of errors. I can’t think of another programming book that I’ve read with this many errors.

All of the errors I noticed are little glitchy typographical errors, rather than incorrect theory. The authors really do a good job of illustrating the MVC approach to web design, so I’m glad I bought it.

Anyway, this page lists mistakes found after publication, and the community of readers seems to be doing a good job of helping each other out.

I think I might have found another tiny error. This code appears at the bottom of page 109:

class ProjectFields(widgets.WidgetsList):
title = TextField(label="project", validator=validators.NotEmpty())
client_revenue = widgets.TextField(validator=validators.Number())
project_form = widgets.TableForm(fields=ProjectFields(), action="save_project_test")


I don’t see the point in using both TextField and widgets.TextField. But more importantly, I think the indentation is wrong in the last line. I don’t think project_form is supposed to be an attribute of the ProjectField class.

I think the code should look more like this:


class ProjectFields(widgets.WidgetsList):
title = widgets.TextField(label="project", validator=validators.NotEmpty())
client_revenue = widgets.TextField(validator=validators.Number())

# Moved outside the class.
project_form = widgets.TableForm(fields=ProjectFields(), action="save_project_test")


But maybe I’m missing something. I posted to the TurboGears Book mailing list, so hopefully I’ll find out.