![]() Here is a sample Python 2.x source file, example. The directories are recursively traversed for Python sources. 2to3’s basic arguments are a list of files or directories to transform. ![]() It is also located in the Tools/scripts directory of the Python root. Where do I find the 2to3 script in Python?Ģto3 will usually be installed with the Python interpreter as a script. 2to3 supporting library lib2to3 is, however, a flexible and generic library, so it is possible to write your own fixers for 2to3. The standard library contains a rich set of fixers that will handle almost all code. Here is a benchmark between zip in Python 2 and 3 and izip in Python 2:Ģto3 is a Python program that reads Python 2.x source code and applies a series of fixers to transform it into valid Python 3.x code. The zip implementation is almost completely copy-pasted from the old izip, just with a few names changed and pickle support added. In Python 3 the built-in zip does the same job as itertools.izip in 2.X (returns an iterator instead of a list). What’s the difference between IZIP and zip in Python 3? msi file you need to use the OS uninstall tools. The files used on the zip file dont need to be uninstalled from the system, you can simply delete the containing folder. The zip implementation is almost completely copy-pasted from the old izip, just with a few names changed and pickle support added. The zip file allows you to use different versions of the program, whereas the installed version will use only the latest one installed. izip() is almost identical to the zip() builtin, in that it pairs up the contents of two lists into an iterable of 2-tuples.
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