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Fall back to guess_mime_mimedb if file command fails in guess_mime_file

This commit is contained in:
Benjamin Winger 2020-08-04 15:09:19 -04:00
parent d7e64d9fd6
commit 0ae7b3ae53
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GPG Key ID: 22E22BE7466677FC
1 changed files with 3 additions and 4 deletions
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7
patoolib/util.py
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@ -294,16 +294,15 @@ def guess_mime_file (filename):
cmd = [file_prog, "--brief", "--mime", "--uncompress", filename]
try:
outparts = backtick(cmd).strip().split(";")
mime2 = outparts[0].split(" ", 1)[0]
except OSError:
# ignore errors, as file(1) is only a fallback
return mime, encoding
mime2 = outparts[0].split(" ", 1)[0]
mime2 = None
# Some file(1) implementations return an empty or unknown mime type
# when the uncompressor program is not installed, other
# implementation return the original file type.
# The following detects both cases.
if (mime2 in ('application/x-empty', 'application/octet-stream') or
mime2 in Mime2Encoding):
mime2 in Mime2Encoding or not mime2):
# The uncompressor program file(1) uses is not installed
# or is not able to uncompress.
# Try to get mime information from the file extension.