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copied!<p>Okay, I think I figured it out, although I have no idea why. My question was what I though was the root cause of my original problem which was that I got</p> <pre><code>sre_constants.error nothing to repeat </code></pre> <p>when I tried to compile my program in the XP virtual environment. The cause of this was in <code>C:\Python27\Lib\site-packages\pywinauto\tests\asianhotkey.py</code> at line 110.</p> <pre><code>_asianHotkeyRE = re.compile (r""" \(&.\) # the hotkey ( (\t.*)| # tab, and then anything #(\\t.*)| # escaped tab, and then anything (\(.*\) # anything in brackets )| \s*| # any whitespace :| # colon (\.\.\.)| # elipsis >| # greater than sign <| # less than sign (\n.*) # newline, and then anything \s)*$""", re.VERBOSE) </code></pre> <p>I couldn't even run this in its own script in my virtual XP environment. It would run if I either removed the <code>*</code> in either one of these lines</p> <pre><code>\s*| # any whitespace </code></pre> <p>or</p> <pre><code>\s)*$""", re.VERBOSE) </code></pre> <p>I have no idea why that was the case, just experimental outcomes.</p> <p>Anyway, as far as I could tell the variable <code>_asianHotkeyRE</code> is only used once in this whole package; at line (133) of this same file:</p> <pre><code>found = _asianHotkeyRE.search(text) </code></pre> <p>So I changed those two groups of code to </p> <pre><code>pattern = r""" \(&.\) # the hotkey ( (\t.*)| # tab, and then anything #(\\t.*)| # escaped tab, and then anything (\(.*\) # anything in brackets )| \s*| # any whitespace :| # colon (\.\.\.)| # elipsis >| # greater than sign <| # less than sign (\n.*) # newline, and then anything \s)*$""" </code></pre> <p>and</p> <pre><code> found = re.search(pattern,text) </code></pre> <p>Something about using regular expression compiling didn't like the formatting of this pattern. Maybe the version of <code>re</code> that is installed on that virtual machine isn't up to date or something?</p> <p>So long story short, it's fixed. I don't know why and I would love it if someone could try to reproduce the issue using their own virtual environments of any kind. </p>

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