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#!/usr/bin/env python
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#
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# Script to provide a wrapper around the ShrinkSafe "web service"
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# <http://alex.dojotoolkit.org/shrinksafe/>
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#
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#
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# We use this script for two reasons:
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#
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# * This avoids having to install and configure Java and the standalone
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# ShrinkSafe utility.
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#
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# * The current ShrinkSafe standalone utility was broken when we last
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# used it.
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#
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import sys
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import urllib
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import urllib2
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URL_SHRINK_SAFE = "http://alex.dojotoolkit.org/shrinksafe/shrinksafe.php"
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# This would normally be dynamically generated:
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BOUNDARY_MARKER = "---------------------------72288400411964641492083565382"
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if __name__ == "__main__":
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## Grab the source code
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try:
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sourceFilename = sys.argv[1]
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except:
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print "Usage: %s (<source filename>|-)" % sys.argv[0]
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raise SystemExit
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if sourceFilename == "-":
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sourceCode = sys.stdin.read()
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sourceFilename = "stdin.js"
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else:
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sourceCode = open(sourceFilename).read()
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## Create the request replicating posting of the form from the web page
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request = urllib2.Request(url=URL_SHRINK_SAFE)
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request.add_header("Content-Type",
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"multipart/form-data; boundary=%s" % BOUNDARY_MARKER)
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request.add_data("""
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--%s
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Content-Disposition: form-data; name="shrinkfile[]"; filename="%s"
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Content-Type: application/x-javascript
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%s
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""" % (BOUNDARY_MARKER, sourceFilename, sourceCode))
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## Deliver the result
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print urllib2.urlopen(request).read(),
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