From aa239e3e5405933af6a29dac3cf587b59a099927 Mon Sep 17 00:00:00 2001 From: Justin Bronn Date: Tue, 5 Aug 2008 17:15:33 +0000 Subject: gis: Merged revisions 7981-8001,8003-8011,8013-8033,8035-8036,8038-8039,8041-8063,8065-8076,8078-8139,8141-8154,8156-8214 via svnmerge from trunk. git-svn-id: http://code.djangoproject.com/svn/django/branches/gis@8215 bcc190cf-cafb-0310-a4f2-bffc1f526a37 --- django/core/files/temp.py | 58 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 django/core/files/temp.py (limited to 'django/core/files/temp.py') diff --git a/django/core/files/temp.py b/django/core/files/temp.py new file mode 100644 index 0000000000..298fcbf0a5 --- /dev/null +++ b/django/core/files/temp.py @@ -0,0 +1,58 @@ +""" +The temp module provides a NamedTemporaryFile that can be re-opened on any +platform. Most platforms use the standard Python tempfile.TemporaryFile class, +but MS Windows users are given a custom class. + +This is needed because in Windows NT, the default implementation of +NamedTemporaryFile uses the O_TEMPORARY flag, and thus cannot be reopened [1]. + +1: http://mail.python.org/pipermail/python-list/2005-December/359474.html +""" + +import os +import tempfile + +__all__ = ('NamedTemporaryFile', 'gettempdir',) + +if os.name == 'nt': + class TemporaryFile(object): + """ + Temporary file object constructor that works in Windows and supports + reopening of the temporary file in windows. + """ + 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) + + def __del__(self): + try: + self._file.close() + except (OSError, IOError): + pass + try: + os.unlink(self.name) + except (OSError): + pass + + try: + super(TemporaryFile, self).__del__() + except AttributeError: + pass + + + def read(self, *args): return self._file.read(*args) + def seek(self, offset): return self._file.seek(offset) + def write(self, s): return self._file.write(s) + def close(self): return self._file.close() + def __iter__(self): return iter(self._file) + def readlines(self, size=None): return self._file.readlines(size) + def xreadlines(self): return self._file.xreadlines() + + NamedTemporaryFile = TemporaryFile +else: + NamedTemporaryFile = tempfile.NamedTemporaryFile + +gettempdir = tempfile.gettempdir -- cgit v1.2.1