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Name	Size	Permission
__pycache__	[ DIR ]	drwxr-xr-x
__init__.py	60 B	-rw-r--r--
base.py	4.7 KB	-rw-r--r--
images.py	2.51 KB	-rw-r--r--
locks.py	3.5 KB	-rw-r--r--
move.py	2.9 KB	-rw-r--r--
storage.py	15.56 KB	-rw-r--r--
temp.py	2.43 KB	-rw-r--r--
uploadedfile.py	3.9 KB	-rw-r--r--
uploadhandler.py	6.79 KB	-rw-r--r--
utils.py	2.54 KB	-rw-r--r--

Code Editor : temp.py

"""
The temp module provides a NamedTemporaryFile that can be reopened in the same
process on any platform. Most platforms use the standard Python
tempfile.NamedTemporaryFile class, but Windows users are given a custom class.

This is needed because the Python implementation of NamedTemporaryFile uses the
O_TEMPORARY flag under Windows, which prevents the file from being reopened
if the same flag is not provided [1][2]. Note that this does not address the
more general issue of opening a file for writing and reading in multiple
processes in a manner that works across platforms.

The custom version of NamedTemporaryFile doesn't support the same keyword
arguments available in tempfile.NamedTemporaryFile.

1: https://mail.python.org/pipermail/python-list/2005-December/336957.html
2: https://bugs.python.org/issue14243
"""

import os
import tempfile

from django.core.files.utils import FileProxyMixin

__all__ = ('NamedTemporaryFile', 'gettempdir',)

if os.name == 'nt':
    class TemporaryFile(FileProxyMixin):
        """
        Temporary file object constructor that supports reopening of the
        temporary file in Windows.

Unlike tempfile.NamedTemporaryFile from the standard library,
        __init__() doesn't support the 'delete', 'buffering', 'encoding', or
        'newline' keyword arguments.
        """
        def __init__(self, mode='w+b', bufsize=-1, suffix='', prefix='', dir=None):
            fd, name = tempfile.mkstemp(suffix=suffix, prefix=prefix, dir=dir)
            self.name = name
            self.file = os.fdopen(fd, mode, bufsize)
            self.close_called = False

# Because close can be called during shutdown
        # we need to cache os.unlink and access it
        # as self.unlink only
        unlink = os.unlink

def close(self):
            if not self.close_called:
                self.close_called = True
                try:
                    self.file.close()
                except OSError:
                    pass
                try:
                    self.unlink(self.name)
                except OSError:
                    pass

def __del__(self):
            self.close()

def __enter__(self):
            self.file.__enter__()
            return self

def __exit__(self, exc, value, tb):
            self.file.__exit__(exc, value, tb)

NamedTemporaryFile = TemporaryFile
else:
    NamedTemporaryFile = tempfile.NamedTemporaryFile

gettempdir = tempfile.gettempdir

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Code Editor : temp.py