On Thursday, September 11, 2014, ryan_n <rnelsonc...@gmail.com> wrote:
> I'm trying out SageMathCloud (very cool by the way) for presenting some
> IPython notebooks to some colleagues; unfortunately, I've run into a
> problem with urllib2.urlopen. For certain sites, things seem to work fine,
> but other sites are apparently "not reachable." I've posted a little
> example below. Are there some blocks on what sorts of sites are accessible
> from SageMathCloud? I tried this in an IPython notebook and terminal. I
> also just tried `wget` from the term, and that doesn't work either. (For
> the record, I'm trying to make a simple basemap plot with an image that I'm
> downloading from ArcGIS online.)
>
> Thanks so much!
>
>
Almost everything is blocked. If you want a specific project unblocked let
me know and send me the project id (as mentioned in project settings under
quotas).
> Ryan
>
>
> In [19]: urllib2.urlopen('http://sagemath.org/')
> Out[19]: <addinfourl at 140163978030112 whose fp = <socket._fileobject
> object at 0x7f7a781f05d0>>
>
> In [20]: urllib2.urlopen('
> http://en.wikipedia.org/wiki/Sage_(mathematics_software)')
> ---------------------------------------------------------------------------
> URLError Traceback (most recent call last)
> <ipython-input-17-c4d80c7ea986> in <module>()
> ----> 1 junk = urllib2.urlopen('
> http://en.wikipedia.org/wiki/Sage_(mathematics_software)')
>
> /usr/local/sage/sage-6.3.beta6/local/lib/python/urllib2.pyc in
> urlopen(url, data, timeout)
> 125 if _opener is None:
> 126 _opener = build_opener()
> --> 127 return _opener.open(url, data, timeout)
> 128
> 129 def install_opener(opener):
>
> /usr/local/sage/sage-6.3.beta6/local/lib/python/urllib2.pyc in open(self,
> fullurl, data, timeout)
> 402 req = meth(req)
> 403
> --> 404 response = self._open(req, data)
> 405
> 406 # post-process response
>
> /usr/local/sage/sage-6.3.beta6/local/lib/python/urllib2.pyc in _open(self,
> req, data)
> 420 protocol = req.get_type()
> 421 result = self._call_chain(self.handle_open, protocol,
> protocol +
> --> 422 '_open', req)
> 423 if result:
> 424 return result
>
> /usr/local/sage/sage-6.3.beta6/local/lib/python/urllib2.pyc in
> _call_chain(self, chain, kind, meth_name, *args)
> 380 func = getattr(handler, meth_name)
> 381
> --> 382 result = func(*args)
> 383 if result is not None:
> 384 return result
>
> /usr/local/sage/sage-6.3.beta6/local/lib/python/urllib2.pyc in
> http_open(self, req)
> 1212
> 1213 def http_open(self, req):
> -> 1214 return self.do_open(httplib.HTTPConnection, req)
> 1215
> 1216 http_request = AbstractHTTPHandler.do_request_
>
> /usr/local/sage/sage-6.3.beta6/local/lib/python/urllib2.pyc in
> do_open(self, http_class, req)
> 1182 except socket.error, err: # XXX what error?
> 1183 h.close()
> -> 1184 raise URLError(err)
> 1185 else:
> 1186 try:
>
> URLError: <urlopen error [Errno 101] Network is unreachable>
>
>
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--
William Stein
Professor of Mathematics
University of Washington
http://wstein.org
wst...@uw.edu
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