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Diffstat (limited to 'qutebrowser/utils/utils.py')
| -rw-r--r-- | qutebrowser/utils/utils.py | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/qutebrowser/utils/utils.py b/qutebrowser/utils/utils.py index cf239805c..e49309ef2 100644 --- a/qutebrowser/utils/utils.py +++ b/qutebrowser/utils/utils.py @@ -803,3 +803,38 @@ def parse_duration(duration: str) -> int: hours = float(hours_string.rstrip('h')) milliseconds = int((seconds + minutes * 60 + hours * 3600) * 1000) return milliseconds + + +def mimetype_extension(mimetype: str) -> Optional[str]: + """Get a suitable extension for a given mimetype. + + This mostly delegates to Python's mimetypes.guess_extension(), but backports some + changes (via a simple override dict) which are missing from earlier Python versions. + Most likely, this can be dropped once the minimum Python version is raised to 3.7. + """ + overrides = { + # Added around 3.8 + "application/manifest+json": ".webmanifest", + "application/x-hdf5": ".h5", + + # Added in Python 3.7 + "application/wasm": ".wasm", + + # Wrong values for Python 3.6 + # https://bugs.python.org/issue1043134 + # https://github.com/python/cpython/pull/14375 + "application/octet-stream": ".bin", # not .a + "application/postscript": ".ps", # not .ai + "application/vnd.ms-excel": ".xls", # not .xlb + "application/vnd.ms-powerpoint": ".ppt", # not .pot + "application/xml": ".xsl", # not .rdf + "audio/mpeg": ".mp3", # not .mp2 + "image/jpeg": ".jpg", # not .jpe + "image/tiff": ".tiff", # not .tif + "text/html": ".html", # not .htm + "text/plain": ".txt", # not .bat + "video/mpeg": ".mpeg", # not .m1v + } + if mimetype in overrides: + return overrides[mimetype] + return mimetypes.guess_extension(mimetype, strict=False) |