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catch EACCES when binding notebook app

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can come up for low ports on *ix, or user access control restrictions on Windows.

closes #4308
This commit is contained in:
MinRK 2013-09-30 11:20:42 -07:00
parent cb953bfcc7
commit 4d48a84c8b
1 changed files with 7 additions and 2 deletions
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9
IPython/html/notebookapp.py
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@ -590,9 +590,14 @@ class NotebookApp(BaseIPythonApplication):
break
# restore the monekypatch
socket.AI_ADDRCONFIG = saved_AI_ADDRCONFIG
if e.errno != errno.EADDRINUSE:
if e.errno == errno.EADDRINUSE:
self.log.info('The port %i is already in use, trying another random port.' % port)
continue
elif e.errno in (errno.EACCES, getattr(errno, 'WSAEACCES', errno.EACCES)):
self.log.warn("Permission to listen on port %i denied" % port)
continue
else:
raise
self.log.info('The port %i is already in use, trying another random port.' % port)
else:
self.port = port
success = True