mirror of
https://github.com/SickGear/SickGear.git
synced 2024-11-25 22:35:05 +00:00
82 lines
3.2 KiB
Python
82 lines
3.2 KiB
Python
######################## BEGIN LICENSE BLOCK ########################
|
|
# This library is free software; you can redistribute it and/or
|
|
# modify it under the terms of the GNU Lesser General Public
|
|
# License as published by the Free Software Foundation; either
|
|
# version 2.1 of the License, or (at your option) any later version.
|
|
#
|
|
# This library is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
# Lesser General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Lesser General Public
|
|
# License along with this library; if not, write to the Free Software
|
|
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
|
|
# 02110-1301 USA
|
|
######################### END LICENSE BLOCK #########################
|
|
|
|
|
|
from .universaldetector import UniversalDetector
|
|
from .enums import InputState
|
|
from .version import __version__, VERSION
|
|
|
|
|
|
__all__ = ['UniversalDetector', 'detect', 'detect_all', '__version__', 'VERSION']
|
|
|
|
|
|
def detect(byte_str):
|
|
"""
|
|
Detect the encoding of the given byte string.
|
|
|
|
:param byte_str: The byte sequence to examine.
|
|
:type byte_str: ``bytes`` or ``bytearray``
|
|
"""
|
|
if not isinstance(byte_str, bytearray):
|
|
if not isinstance(byte_str, bytes):
|
|
raise TypeError('Expected object of type bytes or bytearray, got: '
|
|
'{0}'.format(type(byte_str)))
|
|
else:
|
|
byte_str = bytearray(byte_str)
|
|
detector = UniversalDetector()
|
|
detector.feed(byte_str)
|
|
return detector.close()
|
|
|
|
|
|
def detect_all(byte_str):
|
|
"""
|
|
Detect all the possible encodings of the given byte string.
|
|
|
|
:param byte_str: The byte sequence to examine.
|
|
:type byte_str: ``bytes`` or ``bytearray``
|
|
"""
|
|
if not isinstance(byte_str, bytearray):
|
|
if not isinstance(byte_str, bytes):
|
|
raise TypeError('Expected object of type bytes or bytearray, got: '
|
|
'{0}'.format(type(byte_str)))
|
|
else:
|
|
byte_str = bytearray(byte_str)
|
|
|
|
detector = UniversalDetector()
|
|
detector.feed(byte_str)
|
|
detector.close()
|
|
|
|
if detector._input_state == InputState.HIGH_BYTE:
|
|
results = []
|
|
for prober in detector._charset_probers:
|
|
if prober.get_confidence() > detector.MINIMUM_THRESHOLD:
|
|
charset_name = prober.charset_name
|
|
lower_charset_name = prober.charset_name.lower()
|
|
# Use Windows encoding name instead of ISO-8859 if we saw any
|
|
# extra Windows-specific bytes
|
|
if lower_charset_name.startswith('iso-8859'):
|
|
if detector._has_win_bytes:
|
|
charset_name = detector.ISO_WIN_MAP.get(lower_charset_name,
|
|
charset_name)
|
|
results.append({
|
|
'encoding': charset_name,
|
|
'confidence': prober.get_confidence()
|
|
})
|
|
if len(results) > 0:
|
|
return sorted(results, key=lambda result: -result['confidence'])
|
|
|
|
return [detector.result]
|