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| author |   Zac Medico <zmedico@gentoo.org> | 2012-08-02 13:22:02 -0700 |
|---|---|---|
| committer | Zac Medico <zmedico@gentoo.org> | 2012-08-02 13:22:02 -0700 |
| commit | d9c77eec3c74c3b22b53911afaf2c167818fbc79 (patch) | |
| tree | 2c55a88e25c5863b431824671330090ba7ff4d9d | |
| parent | parse_desktop_entry: fix python3 bug #429544 (diff) | |
| download | portage-d9c77eec3c74c3b22b53911afaf2c167818fbc79.tar.gz portage-d9c77eec3c74c3b22b53911afaf2c167818fbc79.tar.bz2 portage-d9c77eec3c74c3b22b53911afaf2c167818fbc79.zip | |
vardbapi: optimize pickle load for Python >=3.2
| -rw-r--r-- | pym/portage/dbapi/vartree.py | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/pym/portage/dbapi/vartree.py b/pym/portage/dbapi/vartree.py index 5008a97fb..1dadd3cbb 100644 --- a/pym/portage/dbapi/vartree.py +++ b/pym/portage/dbapi/vartree.py @@ -572,11 +572,12 @@ class vardbapi(dbapi): def _aux_cache_init(self): aux_cache = None open_kwargs = {} - if sys.hexversion >= 0x3000000: + if sys.hexversion >= 0x3000000 and sys.hexversion < 0x3020000: # Buffered io triggers extreme performance issues in # Unpickler.load() (problem observed with python-3.0.1). # Unfortunately, performance is still poor relative to - # python-2.x, but buffering makes it much worse. + # python-2.x, but buffering makes it much worse (problem + # appears to be solved in Python >=3.2 at least). open_kwargs["buffering"] = 0 try: f = open(_unicode_encode(self._aux_cache_filename, |