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bazarr/libs/subzero/lib/io.py
2020-02-09 15:37:11 +01:00

103 lines
2.6 KiB
Python

# coding=utf-8
from __future__ import absolute_import
import os
import sys
try:
from os import scandir as _scandir
except ImportError:
from scandir import scandir as _scandir
# thanks @ plex trakt scrobbler: https://github.com/trakt/Plex-Trakt-Scrobbler/blob/master/Trakttv.bundle/Contents/Libraries/Shared/plugin/core/io.py
class FileIO(object):
@staticmethod
def exists(path):
return os.path.exists(path)
@staticmethod
def delete(path):
os.remove(path)
@staticmethod
def read(path, mode='r'):
with open(path, mode) as fp:
data = fp.read()
return data
@staticmethod
def write(path, data, mode='w'):
with open(path, mode) as fp:
fp.write(data)
VALID_ENCODINGS = ("latin1", "utf-8", "mbcs")
def get_viable_encoding():
# fixme: bad
encoding = sys.getfilesystemencoding()
return "utf-8" if not encoding or encoding.lower() not in VALID_ENCODINGS else encoding
class ScandirListdirEntryStub(object):
"""
A class which mimics the entries returned by scandir, for fallback purposes when using listdir instead.
"""
__slots__ = ('name', '_d_type', '_stat', '_lstat', '_scandir_path', '_path', '_inode')
def __init__(self, scandir_path, name, d_type, inode):
self._scandir_path = scandir_path
self.name = name
self._d_type = d_type
self._inode = inode
self._stat = None
self._lstat = None
self._path = None
@property
def path(self):
if self._path is None:
self._path = os.path.join(self._scandir_path, self.name)
return self._path
def stat(self, follow_symlinks=True):
path = self.path
if follow_symlinks and self.is_symlink():
path = os.path.realpath(path)
return os.stat(path)
def is_dir(self, follow_symlinks=True):
path = self.path
if follow_symlinks and self.is_symlink():
path = os.path.realpath(path)
return os.path.isdir(path)
def is_file(self, follow_symlinks=True):
path = self.path
if follow_symlinks and self.is_symlink():
path = os.path.realpath(path)
return os.path.isfile(path)
def is_symlink(self):
return os.path.islink(self.path)
def scandir_listdir_fallback(path):
for fn in os.listdir(path):
yield ScandirListdirEntryStub(path, fn, None, None)
def scandir(path):
try:
return _scandir(path)
# fallback for systems where sys.getfilesystemencoding() returns the "wrong" value
except UnicodeDecodeError:
return scandir_listdir_fallback(path)