First pass at the proxy.

macify.py

@@ -0,0 +1,20 @@
+from bs4 import BeautifulSoup
+
+def macify(html):
+    soup = BeautifulSoup(html)
+    for tag in soup(['script', 'link', 'style', 'img', 'noscript']):
+        tag.extract()
+    for tag in soup(['div', 'span']):
+        tag.replaceWithChildren()
+    for tag in soup():
+        for attr in ['style', 'onclick']:
+            del tag[attr]
+    return str(soup)
+
+if __name__ == '__main__':
+    import requests
+    html = requests.get('http://stackoverflow.com/questions/5598524/can-i-remove-script-tags-with-beautifulsoup').content
+    html = macify(html)
+    with open('macified.html', 'w') as fd:
+        fd.write(html)
+

proxy.py

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+from macify import macify
+import requests
+from flask import request, Flask
+
+app = Flask(__name__)
+session = requests.Session()
+
+@app.route('/', defaults={'path': ''}, methods=['GET'])
+@app.route('/<path:path>', methods=['GET'])
+def get(path):
+    resp = session.get(path, params=request.args)
+    return macify(resp.content), resp.status_code
+
+@app.route('/', defaults={'path': ''}, methods=['POST'])
+@app.route('/<path:path>', methods=['POST'])
+def post(path):
+    resp = session.post(path, data=request.form, allow_redirects=True)
+    return macify(resp.content), resp.status_code
+
+if __name__ == '__main__':
+    app.debug = True
+    app.run()

requirements.txt

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+requests
+flask