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author | Zac Medico <zmedico@gentoo.org> | 2006-02-10 22:07:52 +0000 |
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committer | Zac Medico <zmedico@gentoo.org> | 2006-02-10 22:07:52 +0000 |
commit | d215e2a84591dd3568d13c5fcaa5ba309b4c7994 (patch) | |
tree | 097f5f5c2e90d30d482db90ca1ecd74e5fcdfa3e | |
parent | 664bcd1672bfe7d253c1e70e01d95cd369e0ad53 (diff) | |
download | portage-d215e2a84591dd3568d13c5fcaa5ba309b4c7994.tar.gz portage-d215e2a84591dd3568d13c5fcaa5ba309b4c7994.tar.bz2 portage-d215e2a84591dd3568d13c5fcaa5ba309b4c7994.zip |
avoid unnecessary stat by catching ENOENT error instead of using os.path.exists()
svn path=/main/trunk/; revision=2690
-rw-r--r-- | pym/portage_checksum.py | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/pym/portage_checksum.py b/pym/portage_checksum.py index f837966bc..a11dbc4f6 100644 --- a/pym/portage_checksum.py +++ b/pym/portage_checksum.py @@ -6,6 +6,7 @@ from portage_const import PRIVATE_PATH,PRELINK_BINARY,HASHING_BLOCKSIZE import os +import errno import shutil import stat import portage_exception @@ -134,8 +135,13 @@ def perform_checksum(filename, hash_function=md5hash, calc_prelink=0): myhash, mysize = hash_function(myfilename) if calc_prelink and prelink_capable: - if os.path.exists(prelink_tmpfile): + try: os.unlink(prelink_tmpfile) + except OSError, oe: + if oe.errno == errno.ENOENT: + pass + else: + raise oe portage_locks.unlockfile(mylock) return (myhash,mysize) |