From c838622ba339686fd1cf19cb2803c03025b571bf Mon Sep 17 00:00:00 2001 From: Holger Hans Peter Freyther Date: Thu, 20 Apr 2006 09:11:15 +0000 Subject: bitbake/lib/bb: Make the Cookie Monster Dict a METACLASS? To exploit automatically the COW features... Small performance analysis is showing that this is saving some time (and memory as well) --- lib/bb/data.py | 32 ++++++++++++++++++++++++++------ 1 file changed, 26 insertions(+), 6 deletions(-) (limited to 'lib/bb/data.py') diff --git a/lib/bb/data.py b/lib/bb/data.py index 55d1cc905..fa38ee675 100644 --- a/lib/bb/data.py +++ b/lib/bb/data.py @@ -430,6 +430,26 @@ def update_data(d): >>> update_data(d) >>> print getVar('TEST', d) local + + CopyMonster: + >>> e = d.createCopy() + >>> setVar('TEST_foo', 'foo', e) + >>> update_data(e) + >>> print getVar('TEST', e) + local + + >>> setVar('OVERRIDES', 'arm:ramses:local:foo', e) + >>> update_data(e) + >>> print getVar('TEST', e) + foo + + >>> f = d.createCopy() + >>> setVar('TEST_moo', 'something', f) + >>> setVar('OVERRIDES', 'moo:arm:ramses:local:foo', e) + >>> update_data(e) + >>> print getVar('TEST', e) + foo + """ debug(2, "update_data()") @@ -460,10 +480,10 @@ def update_data(d): l = len(o)+1 # see if one should even try - if not o in d._seen_overrides: + if not o in d._seen_overrides.__dict__: continue - vars = d._seen_overrides[o] + vars = d._seen_overrides.__dict__[o] for var in vars: name = var[:-l] try: @@ -472,8 +492,8 @@ def update_data(d): note ("Untracked delVar") # now on to the appends and prepends - if '_append' in d._special_values: - appends = d._special_values['_append'] or [] + if '_append' in d._special_values.__dict__: + appends = d._special_values.__dict__['_append'] or [] for append in appends: for (a, o) in getVarFlag(append, '_append', d) or []: # maybe the OVERRIDE was not yet added so keep the append @@ -487,8 +507,8 @@ def update_data(d): setVar(append, sval, d) - if '_prepend' in d._special_values: - prepends = d._special_values['_prepend'] or [] + if '_prepend' in d._special_values.__dict__: + prepends = d._special_values.__dict__['_prepend'] or [] for prepend in prepends: for (a, o) in getVarFlag(prepend, '_prepend', d) or []: -- cgit 1.2.3-korg