WindowsError: [Fehler 183] Es kann keine Datei erstellt werden, wenn diese Datei bereits vorhanden ist ⇐ Python

[Anonymous]

Ich verwende das folgende Skript, um ein Kopierrecht für alle Dateien in den Verzeichnissen und Unterverzeichnissen für ein bestimmtes Verzeichnis hinzuzufügen, das als erstes Argument übergeben wurde. Ich führe das Skript wie folgt aus, aber es tritt der folgende Fehler auf ...
Kann jemand Eingaben zu ohw machen, um das Problem zu beheben?

FEHLER:-

Code: Select all

C:\Dropbox\copyrights>python Add_copyright.py .
Traceback (most recent call last):
File "Add_copyright.py", line 69, in 
prepend_file(fullname, dirpath)
File "Add_copyright.py", line 60, in prepend_file
os.rename(temp_fname, fullname)
WindowsError: [Error 183] Cannot create a file when that file already exists

CODE:-

Code: Select all

import fnmatch
import os
import shutil
import sys
import tempfile

file_patterns_to_match = ['*.c','*.h','*.cpp','*.txt']

headertext = """/*
* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
*
* Previously licensed under the ISC license by Qualcomm Atheros, Inc.
*
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
* above copyright notice and this permission notice appear in all
* copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
"""

# make any newlines in headertext match the system line ending
headertext = headertext.replace('\n', os.linesep)

def want_this_file(fname):
for pat in file_patterns_to_match:
if fnmatch.fnmatch(fname, pat):
return True
return False

def prepend_file(fullname, path):
# with statement means temp file is written and closed at end of with
with tempfile.NamedTemporaryFile(dir=path, delete=False) as out_file:
# get the name immediately
temp_fname = out_file.name

try:
# use binary mode to avoid newline translations
with open(fullname, "rb") as in_file:
out_file.write(headertext)
shutil.copyfileobj(in_file, out_file)
except Exception:
# on any error, clean up temp file and re-raise exception
try:
os.remove(temp_fname)
except Exception:
print("unable to clean up temp file: " + temp_fname)
pass
raise
# rename temp file to fullname, clobbering original
os.rename(temp_fname, fullname)

start_directory = sys.argv[1]

for dirpath, dirnames, filenames in os.walk(start_directory):
for fname in filenames:
if want_this_file(fname):
fullname = os.path.join(dirpath, fname)
prepend_file(fullname, dirpath)