Question

Which statements prevent the escape sequence interpretation?

Answer 1

I'm writing a Python script that accepts file paths as strings, parses them, appends a command name, and builds a list, which is then passed to subprocess.Popen() for execution. This script is to handle both Unix and Windows file paths, and ultimately should run on both systems.

When I run this under Unix, if I give a Windows path that inadvertently contains an escape character (e.g. \Users\Administrator\bin), Python will interpret the embedded \b as the backspace character. I want to prevent that from happening.

As far as I know, there's no function or method to denote a string variable as a raw string. The 'r'modifier only works for string constants.

So far, the closest I've been able to get is this:

winpath = "C:\Users\Administrator\bin" winpath = winpath.replace('\b','\\b') winpathlist = winpath.split('\\')

At this point, winpathlist should contain ['C:','Users','Administrator','bin'], not ['C','Users','Administrator\x08in'].

I can add additional calls to winpath.replace() to handle the other escapes I might get -- \a, \f, \n, \r, \t, \v -- but not \x.

Is there a more pythonic way to do this?


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