On Thu, May 29, 2008 at 2:43 PM, Eric Wertman <[EMAIL PROTECTED]> wrote:
> So I'm working on some file parsing and building up a stack of regular > expressions that I need to use. I was thinking of dropping them in an > external module. I was wondering.. if I put them in a file called > regex.py like so : > > import re > > re1 = ".. > re2 = ".. > > and then do: > > rgx1 = re.compile(re1) > rgx2 = re.compile(re2) > > > and, in my script, parse.py py I do: > > from regex import * > > text = "bunch of stuff......." > > m = rgx1.search(text) > > > Does the re get compiled when I import it, or every time I call it? > Since I'm calling it often, I'd like to compile it once. > > Thanks! > -- > http://mail.python.org/mailman/listinfo/python-list > Please correct me if I am wrong ... but I believe this should work, and rgx's will only be compiled on the first import. You could also place them in a class and get the same effect when you instantiate the class. class MyRegEx( object ): re1 = ".. re2 = ".. rgx1 = re.compile(re1) rgx2 = re.compile(re2)
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