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abstract file class fix

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chidea 2015-03-22 01:35:00 +09:00
parent cc8d65f76a
commit 75e6c0d17a
1 changed files with 8 additions and 7 deletions
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15
classes/file.py
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@ -1,23 +1,24 @@
from sys import platform from sys import platform
import os import os
from subprocess import call from subprocess import call
# from os import path # path.exists() may used in future.. may be.. from os.path import exists
class File(): class File():
def __init__(self, path): def __init__(self, path):
self._path = path self._path = path
def write_bytes(self, bytes): def write_bytes(self, bytes):
''' truncates the file and create new with contents :param bytes ''' ''' truncates the file and create new with :param bytes.
with open(self._path, 'r+b') as file: :return number of bytes written'''
file.write(bytes) with open(self._path, 'w+b') as file:
return file.write(bytes)
def read_bytes(self): def read_bytes(self):
''' read the file as bytes ''' ''' read the file as bytes. :return b'' on file not exist '''
if not exists(self._path): return b''
# buf = b'' # buf = b''
with open(self._path, 'r+b') as file: with open(self._path, 'r+b') as file:
return file.read() # is this safe? return file.read()
# buf = file.read()
# return buf # return buf
def open(self): def open(self):