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Use io.open in notebookapp.py to fix #4303 #4348

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Use io.open in notebookapp.py to fix #4303 #4348

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f8d7d40
Use io.open in notebookapp.py to fix #4303
slel Jan 16, 2019
780ef87
Another open -> io.open change
slel Jan 16, 2019
0579bc0
Specify utf-8 encoding in io.open()
slel Jan 16, 2019
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4 changes: 2 additions & 2 deletions notebook/notebookapp.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1671,7 +1671,7 @@ def server_info(self):
def write_server_info_file(self):
"""Write the result of server_info() to the JSON file info_file."""
try:
with open(self.info_file, 'w') as f:
with io.open(self.info_file, 'w') as f:
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Can you add encoding='utf-8' here? It's not the same problem, but it would be good to do it while we're looking at this code.

json.dump(self.server_info(), f, indent=2, sort_keys=True)
except OSError as e:
self.log.error(_("Failed to write server-info to %s: %s"),
Expand Down Expand Up @@ -1739,7 +1739,7 @@ def launch_browser(self):

# Write a temporary file to open in the browser
fd, open_file = tempfile.mkstemp(suffix='.html')
with open(fd, 'w', encoding='utf-8') as fh:
with io.open(fd, 'w', encoding='utf-8') as fh:
self._write_browser_open_file(uri, fh)
else:
open_file = self.browser_open_file
Expand Down