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Merge pull request #4528 from minrk/override-mime-types

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explicitly ignore windows registry for mimetypes
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Thomas Kluyver 2019-04-05 13:42:10 +01:00 committed by GitHub
commit 8c8ce334b5
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1 changed files with 8 additions and 3 deletions
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11
notebook/notebookapp.py
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@ -1623,11 +1623,16 @@ class NotebookApp(JupyterApp):
exc_info=True)
def init_mime_overrides(self):
# On some Windows machines, an application has registered an incorrect
# mimetype for CSS and JavaScript in the registry.
# On some Windows machines, an application has registered incorrect
# mimetypes in the registry.
# Tornado uses this when serving .css and .js files, causing browsers to
# reject these files. We know the mimetype always needs to be text/css for css
# and application/javascript for JS, so we override it here.
# and application/javascript for JS, so we override it here
# and explicitly tell the mimetypes to not trust the Windows registry
if os.name == 'nt':
# do not trust windows registry, which regularly has bad info
mimetypes.init(files=[])
# ensure css, js are correct, which are required for pages to function
mimetypes.add_type('text/css', '.css')
mimetypes.add_type('application/javascript', '.js')