diff options
| -rw-r--r-- | Lib/tempfile.py | 43 |
1 files changed, 41 insertions, 2 deletions
diff --git a/Lib/tempfile.py b/Lib/tempfile.py index 1acd251..652d196 100644 --- a/Lib/tempfile.py +++ b/Lib/tempfile.py @@ -32,8 +32,9 @@ def gettempdir(): attempdirs.insert(0, dirname) except macfs.error: pass - if os.environ.has_key('TMPDIR'): - attempdirs.insert(0, os.environ['TMPDIR']) + for envname in 'TMPDIR', 'TEMP', 'TMP': + if os.environ.has_key(envname): + attempdirs.insert(0, os.environ[envname]) testfile = gettempprefix() + 'test' for dir in attempdirs: try: @@ -82,3 +83,41 @@ def mktemp(): file = os.path.join(dir, pre + `counter`) if not os.path.exists(file): return file + + +class TemporaryFileWrapper: + """Temporary file wrapper + + This class provides a wrapper around files opened for temporary use. + In particular, it seeks to automatically remove the file when it is + no longer needed. + """ + def __init__(self, file, path): + self.file=file + self.path=path + + def close(self): + self.file.close() + os.unlink(self.path) + + def __del__(self): + try: self.close() + except: pass + + def __getattr__(self, name): + file=self.__dict__['file'] + a=getattr(file, name) + setattr(self, name, a) + return a + + +def TemporaryFile(mode='w+b', bufsize=-1): + name=mktemp() + file=open(name,mode,bufsize) + try: + os.unlink(name) + except os.error: + # Non-unix -- can't unlink file that's still open, use wrapper + return TemporaryFileWrapper(file, name) + else: + return file |