mishandling of encodings on redirect

[ewdurbin]

reproduce:

make serve

once warehouse is up locally

curl http://localhost/pypi/%E2%98%83/json/

view error in logs:

web_1            | 2018-04-16T17:36:56+0000 [-] WSGI application error
web_1            |     Traceback (most recent call last):
web_1            |       File "/opt/warehouse/lib/python3.6/site-packages/twisted/python/threadpool.py", line 266, in <lambda>
web_1            |         inContext.theWork = lambda: context.call(ctx, func, *args, **kw)
web_1            |       File "/opt/warehouse/lib/python3.6/site-packages/twisted/python/context.py", line 122, in callWithContext
web_1            |         return self.currentContext().callWithContext(ctx, func, *args, **kw)
web_1            |       File "/opt/warehouse/lib/python3.6/site-packages/twisted/python/context.py", line 87, in callWithContext
web_1            |         self.contexts.pop()
web_1            |       File "/opt/warehouse/lib/python3.6/site-packages/twisted/web/wsgi.py", line 522, in run
web_1            |         self.started = True
web_1            |     --- <exception caught here> ---
web_1            |       File "/opt/warehouse/lib/python3.6/site-packages/twisted/web/wsgi.py", line 500, in run
web_1            |         self.write(elem)
web_1            |       File "/opt/warehouse/lib/python3.6/site-packages/twisted/web/wsgi.py", line 455, in write
web_1            |         self.reactor, wsgiWrite, self.started)
web_1            |       File "/opt/warehouse/lib/python3.6/site-packages/twisted/internet/threads.py", line 122, in blockingCallFromThread
web_1            |         result.raiseException()
web_1            |       File "/opt/warehouse/lib/python3.6/site-packages/twisted/python/failure.py", line 385, in raiseException
web_1            |         raise self.value.with_traceback(self.tb)
web_1            |     builtins.UnicodeEncodeError: 'latin-1' codec can't encode character '\u2603' in position 25: ordinal not in range(256)

[mmerickel]

related Pylons/webob#115