45 lines
962 B
Python
45 lines
962 B
Python
import unicodedata
|
|
import sys
|
|
|
|
|
|
# HFS Plus uses decomposed UTF-8
|
|
def decompose(path):
|
|
if isinstance(path, str):
|
|
return unicodedata.normalize('NFD', path)
|
|
try:
|
|
path = path.decode('utf-8')
|
|
path = unicodedata.normalize('NFD', path)
|
|
path = path.encode('utf-8')
|
|
except UnicodeError:
|
|
pass # Not UTF-8
|
|
return path
|
|
|
|
|
|
def filesys_decode(path):
|
|
"""
|
|
Ensure that the given path is decoded,
|
|
``None`` when no expected encoding works
|
|
"""
|
|
|
|
if isinstance(path, str):
|
|
return path
|
|
|
|
fs_enc = sys.getfilesystemencoding() or 'utf-8'
|
|
candidates = fs_enc, 'utf-8'
|
|
|
|
for enc in candidates:
|
|
try:
|
|
return path.decode(enc)
|
|
except UnicodeDecodeError:
|
|
continue
|
|
|
|
return None
|
|
|
|
|
|
def try_encode(string, enc):
|
|
"turn unicode encoding into a functional routine"
|
|
try:
|
|
return string.encode(enc)
|
|
except UnicodeEncodeError:
|
|
return None
|