Does Python have a "compile only" switch like Perl's -c?

Perl has the -c switch to compile the code without running it. This i开发者_运维技巧s convenient for debugging compile errors in Perl.

Does Python have a similar switch?

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You can say

python -m py_compile script_to_check.py

However, this will have the side effect of creating a compiled script_to_check.pyc file in the same directory as your script. This feature is designed to speed up later uses of a module rather than to make sure that your syntax is correct, though you could certainly use it for that.

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Even better is to run pyflakes, pychecker or maybe pylint at the code. They catch some common errors that compiling won't.

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Through 2.6, there's the compiler package. That page doesn't say if there is a replacement in 3.0, or if you just can't do that any more.