nzbToMedia/nzb2media/utils/encoding.py
Labrys of Knossos 27f6c05788 Fix lint errors
2022-12-19 17:03:33 -05:00

89 lines
3.3 KiB
Python

from __future__ import annotations
import logging
import os
import nzb2media
log = logging.getLogger(__name__)
log.addHandler(logging.NullHandler())
def char_replace(name_in):
# Special character hex range:
# CP850: 0x80-0xA5 (fortunately not used in ISO-8859-15)
# UTF-8: 1st hex code 0xC2-0xC3 followed by a 2nd hex code 0xA1-0xFF
# ISO-8859-15: 0xA6-0xFF
# The function will detect if Name contains a special character
# If there is special character, detects if it is a UTF-8, CP850 or
# ISO-8859-15 encoding
encoded = False
encoding = None
if isinstance(name_in, str):
return encoded, name_in
name = bytes(name_in)
for idx, character in enumerate(name):
# print('Trying to intuit the encoding')
# /!\ detection is done 2char by 2char for UTF-8 special character
try:
next_character = name[idx + 1]
except IndexError:
# Detect CP850
if (character >= 0x80) & (character <= 0xA5):
encoding = 'cp850'
break
# Detect ISO-8859-15
if (character >= 0xA6) & (character <= 0xFF):
encoding = 'iso-8859-15'
break
else:
# Detect UTF-8
if ((character == 0xC2) | (character == 0xC3)) & ((next_character >= 0xA0) & (next_character <= 0xFF)):
encoding = 'utf-8'
break
# Detect CP850
if (character >= 0x80) & (character <= 0xA5):
encoding = 'cp850'
break
# Detect ISO-8859-15
if (character >= 0xA6) & (character <= 0xFF):
encoding = 'iso-8859-15'
break
if encoding:
encoded = True
name = name.decode(encoding)
else:
name = name.decode()
return encoded, name
def convert_to_ascii(input_name, dir_name):
ascii_convert = int(nzb2media.CFG['ASCII']['convert'])
if not ascii_convert or os.name == 'nt':
# just return if we don't want to convert or on windows os and '\' is replaced!.
return input_name, dir_name
encoded, input_name = char_replace(input_name)
directory, base = os.path.split(dir_name)
if not base: # ended with '/'
directory, base = os.path.split(directory)
encoded, base2 = char_replace(base)
if encoded:
dir_name = os.path.join(directory, base2)
log.info(f'Renaming directory to: {base2}.')
os.rename(os.path.join(directory, base), dir_name)
if 'NZBOP_SCRIPTDIR' in os.environ:
print(f'[NZB] DIRECTORY={dir_name}')
for dirname, dirnames, _ in os.walk(dir_name, topdown=False):
for subdirname in dirnames:
encoded, subdirname2 = char_replace(subdirname)
if encoded:
log.info(f'Renaming directory to: {subdirname2}.')
os.rename(os.path.join(dirname, subdirname), os.path.join(dirname, subdirname2))
for dirname, _, filenames in os.walk(dir_name):
for filename in filenames:
encoded, filename2 = char_replace(filename)
if encoded:
log.info(f'Renaming file to: {filename2}.')
os.rename(os.path.join(dirname, filename), os.path.join(dirname, filename2))
return input_name, dir_name