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POGoogle App Engine performs different from its local appserver
 

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  1. POGoogle App Engine performs different from its local appserver
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    <p>The following function will extract URLs form Google search result. It works well in <code>dev_appserver</code>(localhost) but when I deployed it on Google App Engine it show some Error.</p> <p><strong>Program:</strong></p> <pre><code>def googleSearch(keyword): from re import findall from urllib2 import build_opener from urllib import quote, unquote urlregex = r'&lt;a[ ]href="/url\?q=(http://.+?)[&amp;]' searchURL = 'https://www.google.com/search?q=' + quote(keyword, safe = '') # https will exclude Cached results #Google opener = build_opener() opener.addheaders = [('User-agent', 'Mozilla/5.0')] pagesource = opener.open(searchURL).read() result = findall(urlregex, pagesource) print result resultlist = [] for url in result: resultlist.append(unquote(url)) resultlist = sorted(set(resultlist), key=resultlist.index) return resultlist </code></pre> <p><strong>GAE Error:</strong></p> <pre><code>Internal Server Error The server has either erred or is incapable of performing the requested operation. Traceback (most recent call last): File "/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.5.2/webapp2.py", line 1535, in __call__ rv = self.handle_exception(request, response, e) File "/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.5.2/webapp2.py", line 1529, in __call__ rv = self.router.dispatch(request, response) File "/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.5.2/webapp2.py", line 1278, in default_dispatcher return route.handler_adapter(request, response) File "/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.5.2/webapp2.py", line 1102, in __call__ return handler.dispatch() File "/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.5.2/webapp2.py", line 572, in dispatch return self.handle_exception(e, self.app.debug) File "/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.5.2/webapp2.py", line 570, in dispatch return method(*args, **kwargs) File "/base/data/home/apps/s~crawlnsearch/1.370098233684025667/main.py", line 56, in get result = googleSearch(q) File "/base/data/home/apps/s~crawlnsearch/1.370098233684025667/goosearch.py", line 15, in googleSearch pagesource = opener.open(searchURL).read() File "/base/data/home/runtimes/python27/python27_dist/lib/python2.7/urllib2.py", line 410, in open response = meth(req, response) File "/base/data/home/runtimes/python27/python27_dist/lib/python2.7/urllib2.py", line 523, in http_response 'http', request, response, code, msg, hdrs) File "/base/data/home/runtimes/python27/python27_dist/lib/python2.7/urllib2.py", line 442, in error result = self._call_chain(*args) File "/base/data/home/runtimes/python27/python27_dist/lib/python2.7/urllib2.py", line 382, in _call_chain result = func(*args) File "/base/data/home/runtimes/python27/python27_dist/lib/python2.7/urllib2.py", line 629, in http_error_302 return self.parent.open(new, timeout=req.timeout) File "/base/data/home/runtimes/python27/python27_dist/lib/python2.7/urllib2.py", line 410, in open response = meth(req, response) File "/base/data/home/runtimes/python27/python27_dist/lib/python2.7/urllib2.py", line 523, in http_response 'http', request, response, code, msg, hdrs) File "/base/data/home/runtimes/python27/python27_dist/lib/python2.7/urllib2.py", line 448, in error return self._call_chain(*args) File "/base/data/home/runtimes/python27/python27_dist/lib/python2.7/urllib2.py", line 382, in _call_chain result = func(*args) File "/base/data/home/runtimes/python27/python27_dist/lib/python2.7/urllib2.py", line 531, in http_error_default raise HTTPError(req.get_full_url(), code, msg, hdrs, fp) HTTPError: HTTP Error 503: Service Unavailable </code></pre> <p>Did any one know solution for this problem.</p>
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    1. PTQuestion
    1. USbkmagnetron
    1. USbkmagnetron
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      1. VTUpMod
    1. COHave you tried to point your code to another page, i.e yahoo, to see if you get the same error ?
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      1. USThomas
    2. CO@Thomas I also written a function for YouTube search and it works well with GAE.
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      1. USbkmagnetron
 

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