def archive_mime_type(path):
"""Return the archive type of <path> or None for non-archives."""
try:
if os.path.isfile(path):
if not os.access(path, os.R_OK):
return None
if zipfile.is_zipfile(path):
if zip.is_py_supported_zipfile(path):
return constants.ZIP
else:
return constants.ZIP_EXTERNAL
fd = open(path, 'rb')
magic = fd.read(5)
fd.close()
try:
istarfile = tarfile.is_tarfile(path)
except IOError:
# Tarfile raises an error when accessing certain network shares
istarfile = False
if istarfile and os.path.getsize(path) > 0:
if magic.startswith('BZh'):
return constants.BZIP2
elif magic.startswith('\037\213'):
return constants.GZIP
else:
return constants.TAR
if magic[0:4] == 'Rar!':
return constants.RAR
if magic[0:4] == '7z\xBC\xAF':
return constants.SEVENZIP
# Headers for TAR-XZ and TAR-LZMA that aren't supported by tarfile
if magic[0:5] == '\xFD7zXZ' or magic[0:5] == ']\x00\x00\x80\x00':
return constants.SEVENZIP
if magic[2:4] == '-l':
return constants.LHA
if magic[0:4] == '%PDF':
return constants.PDF
except Exception:
log.warning(_('! Could not read %s'), path)
return None
def archive_mime_type(path):
"""Return the archive type of <path> or None for non-archives."""
try:
if os.path.isfile(path):
if not os.access(path, os.R_OK):
return None
if zipfile.is_zipfile(path):
if zip.is_py_supported_zipfile(path):
return constants.ZIP
else:
return constants.ZIP_EXTERNAL
fd = open(path, 'rb')
magic = fd.read(5)
fd.close()
try:
istarfile = tarfile.is_tarfile(path)
except IOError:
# Tarfile raises an error when accessing certain network shares
istarfile = False
if istarfile and os.path.getsize(path) > 0:
if magic.startswith('BZh'):
return constants.BZIP2
elif magic.startswith('\037\213'):
return constants.GZIP
else:
return constants.TAR
if magic[0:4] == 'Rar!':
return constants.RAR
if magic[0:4] == '7z\xBC\xAF':
return constants.SEVENZIP
# Headers for TAR-XZ and TAR-LZMA that aren't supported by tarfile
if magic[0:5] == '\xFD7zXZ' or magic[0:5] == ']\x00\x00\x80\x00':
return constants.XZ
if magic[2:4] == '-l':
return constants.LHA
if magic[0:4] == '%PDF':
return constants.PDF
except Exception:
log.warning(_('! Could not read %s'), path)
return None