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bitbake: data: Use direct iteration, not keys() 

Profiling shows the creation of keys() has overhead and we're better using
an iterator rather than the memory associated with the huge list of keys
when iterating the whoe datastore. We minimise the number of times
we do this to twice only per recipe.

(Bitbake rev: e63448d9ee331b0f45fb9a0197d0dbee49eb2fa0)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Richard Purdie 2013-09-16 07:33:48 +00:00
parent f78db82e1a
commit 36b4fcde7a
1 changed files with 2 additions and 2 deletions
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4
bitbake/lib/bb/data.py
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@ -148,7 +148,7 @@ def expandKeys(alterdata, readdata = None):
readdata = alterdata
todolist = {}
for key in keys(alterdata):
for key in alterdata:
if not '${' in key:
continue
@ -341,7 +341,7 @@ def build_dependencies(key, keys, shelldeps, vardepvals, d):
def generate_dependencies(d):
keys = set(key for key in d.keys() if not key.startswith("__"))
keys = set(key for key in d if not key.startswith("__"))
shelldeps = set(key for key in keys if d.getVarFlag(key, "export") and not d.getVarFlag(key, "unexport"))
vardepvals = set(key for key in keys if d.getVarFlag(key, "vardepvalue"))