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authorRichard Purdie <rpurdie@linux.intel.com>2009-07-23 15:59:17 +0100
committerRichard Purdie <rpurdie@linux.intel.com>2009-07-23 15:59:17 +0100
commitd02379d2df13801cde08a32fde5deec8201538d2 (patch)
treeee50d987a2cbb6da05ac0940ba33dfba56acd076 /bitbake-dev
parenta6ca63d77aafe088c90340d65d912666da2d7545 (diff)
downloadpoky-d02379d2df13801cde08a32fde5deec8201538d2.tar.gz
bitbake: Add a cache around PACKAGES_DYNAMIC regexps to help performance a bit
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
Diffstat (limited to 'bitbake-dev')
-rw-r--r--bitbake-dev/lib/bb/providers.py19
1 files changed, 13 insertions, 6 deletions
diff --git a/bitbake-dev/lib/bb/providers.py b/bitbake-dev/lib/bb/providers.py
index d0e71173df..879f1a00b2 100644
--- a/bitbake-dev/lib/bb/providers.py
+++ b/bitbake-dev/lib/bb/providers.py
@@ -280,6 +280,8 @@ def filterProvidersRunTime(providers, item, cfgData, dataCache):
280 280
281 return eligible, numberPreferred 281 return eligible, numberPreferred
282 282
283regexp_cache = {}
284
283def getRuntimeProviders(dataCache, rdepend): 285def getRuntimeProviders(dataCache, rdepend):
284 """ 286 """
285 Return any providers of runtime dependency 287 Return any providers of runtime dependency
@@ -297,12 +299,17 @@ def getRuntimeProviders(dataCache, rdepend):
297 299
298 # Only search dynamic packages if we can't find anything in other variables 300 # Only search dynamic packages if we can't find anything in other variables
299 for pattern in dataCache.packages_dynamic: 301 for pattern in dataCache.packages_dynamic:
300 pattern = pattern.replace('+', "\+") 302
301 try: 303 if pattern in regexp_cache:
302 regexp = re.compile(pattern) 304 regexp = regexp_cache[pattern]
303 except: 305 else:
304 bb.msg.error(bb.msg.domain.Provider, "Error parsing re expression: %s" % pattern) 306 pattern = pattern.replace('+', "\+")
305 raise 307 try:
308 regexp = re.compile(pattern)
309 except:
310 bb.msg.error(bb.msg.domain.Provider, "Error parsing re expression: %s" % pattern)
311 raise
312 regexp_cache[pattern] = regexp
306 if regexp.match(rdepend): 313 if regexp.match(rdepend):
307 rproviders += dataCache.packages_dynamic[pattern] 314 rproviders += dataCache.packages_dynamic[pattern]
308 315