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copied!<p>The best solution I've come up with thus far is to have the RewriteMap script return the new url or <code>'__NULL__\n'</code> if no redirect is desired and store this value in a ENV variable. Then, check the ENV variable for <code>!__NULL__</code> and redirect. See <code>.htaccess</code> file below.</p> <p>Also, if anyone is planning on doing something similar to this, inside of the Python script I wrapped a fair amount of it in try/except blocks to prevent the script from dying (in my case, due to failed file/database reads) and subsequent queries being ignored.</p> <h3>/var/www/webroot/.htaccess</h3> <pre><code>RewriteCond %{REQUEST_FILENAME} !-f RewriteRule ^(.+)$ - [E=REMAP_RESULT:${remap:$1},NS] RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{ENV:REMAP_RESULT} !^__NULL__$ RewriteRule ^(.+)$ /%{ENV:REMAP_RESULT} [R=301,L] </code></pre> <h3>/var/www/remap.py</h3> <pre><code>#!/usr/bin/python import sys def getRedirect(str): try: # to prevent the script from dying on any errors new_url = str # if url needs to be redirected, put this value in new_url # otherwise new_url remains None if new_url == str: new_url = '__NULL__' return new_url except: return '__NULL__' while True: request = sys.stdin.readline().strip() response = getRedirect(request) sys.stdout.write(response + '\n') sys.stdout.flush() </code></pre> <p>Vinko, you definitely helped me figure this one out. If I had more experience with <code>stackoverflow</code>, you would have received <code>^</code> from me. Thank you.</p> <p>I hope this post helps someone dealing with a similar problem in the future.</p> <p>Cheers, Andrew</p>

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