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author | Éric Araujo <merwok@netwok.org> | 2011-03-11 16:42:48 (GMT) |
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committer | Éric Araujo <merwok@netwok.org> | 2011-03-11 16:42:48 (GMT) |
commit | a3dd56b6cffaeee21fec6529b212fd4fa98c1ea8 (patch) | |
tree | 6b9fe78b2e36d78d159216950039a033ba9311a8 /Doc/library/atexit.rst | |
parent | 17b880a5d6b64f1e7d26ec8229e8b41cdf740690 (diff) | |
download | cpython-a3dd56b6cffaeee21fec6529b212fd4fa98c1ea8.zip cpython-a3dd56b6cffaeee21fec6529b212fd4fa98c1ea8.tar.gz cpython-a3dd56b6cffaeee21fec6529b212fd4fa98c1ea8.tar.bz2 |
Use with statement where it improves the documentation (closes #10461)
Diffstat (limited to 'Doc/library/atexit.rst')
-rw-r--r-- | Doc/library/atexit.rst | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/Doc/library/atexit.rst b/Doc/library/atexit.rst index cc1051b..fc2b5a7 100644 --- a/Doc/library/atexit.rst +++ b/Doc/library/atexit.rst @@ -61,17 +61,22 @@ from a file when it is imported and save the counter's updated value automatically when the program terminates without relying on the application making an explicit call into this module at termination. :: + infile = open("/tmp/counter") try: - _count = int(open("/tmp/counter").read()) + _count = int(infile.read()) except IOError: _count = 0 + finally: + infile.close() + def incrcounter(n): global _count _count = _count + n def savecounter(): - open("/tmp/counter", "w").write("%d" % _count) + with open("/tmp/counter", "w") as outfile: + outfile.write("%d" % _count) import atexit atexit.register(savecounter) |