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• Unifying types and classes in Python 2.2

  ....3. C3 is monotonic just like the book's algorithm, but in addition maintains the order of the immediate base classes, which the book's algorithm doesn't always do. A very accessible description of C3 for Python is The Python 2.3 Method Resolution Order by Michele Simionato. The book outlaws classes containing such order disagreements, if the order disagreement is "serious". An order disagreement between two classes is serious when the two classes define at least one method with th...

• Unifying types and classes in Python 2.2

  ....3.) Introspecting instances of built-in types For instances of built-in types (and for new-style classes in general), x.__class__ is now the same as type(x): >>> type([]) <type 'list'> >>> [].__class__ <type 'list'> >>> list <type 'list'> >>> isinstance([], list) 1 >>> isinstance([], dict) 0 >>> isinstance([], object) 1 >>> In classic Python, the method names of lists were available as the __methods__ attribute of list objects, with the same effect as u...

• Frank Willison Memorial Award

  Frank Willison Memorial Award Contributions can encompass so much more than code. A successful software community requires time, dedication, communication, and education as well as elegant code. With the Frank Willison Memorial Award, we hoped to acknowledge all of those things. —Tim O'Reilly The Frank Willison Memorial Award for Contributions to the Python Community is given annually to a person judged to have made an outstanding contribution to the Python community. The award was ...

• 2019 PSF Annual Report

  2019 PSF Annual Report #wrapper { overflow: hidden; position: relative; } .resize-active * { transition: none; } h1, .h1 { line-height: 34px; margin-bottom: 27px; } h2, .h2 { color: #3776ab; line-height: 26px; display: block; } p, blockquote, time, em { line-height: 28px; } time { font-style: italic; } p { margin-bottom: 24px; text-align: justify; } a { transition: color 0.3s ease-in-out; text-decoration: none; } .section-head...

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