diff options
Diffstat (limited to 'bitbake/lib/bb/cache.py')
| -rw-r--r-- | bitbake/lib/bb/cache.py | 70 |
1 files changed, 62 insertions, 8 deletions
diff --git a/bitbake/lib/bb/cache.py b/bitbake/lib/bb/cache.py index a6b81333d1..1001012e0c 100644 --- a/bitbake/lib/bb/cache.py +++ b/bitbake/lib/bb/cache.py @@ -63,7 +63,7 @@ class Cache: self.has_cache = True self.cachefile = os.path.join(self.cachedir,"bb_cache.dat") - + bb.msg.debug(1, bb.msg.domain.Cache, "Using cache in '%s'" % self.cachedir) try: os.stat( self.cachedir ) @@ -125,30 +125,59 @@ class Cache: self.depends_cache[fn][var] = result return result - def setData(self, fn, data): + def setData(self, virtualfn, fn, data): """ Called to prime bb_cache ready to learn which variables to cache. Will be followed by calls to self.getVar which aren't cached but can be fulfilled from self.data. """ - self.data_fn = fn + self.data_fn = virtualfn self.data = data # Make sure __depends makes the depends_cache - self.getVar("__depends", fn, True) - self.depends_cache[fn]["CACHETIMESTAMP"] = bb.parse.cached_mtime(fn) + self.getVar("__depends", virtualfn, True) + self.depends_cache[virtualfn]["CACHETIMESTAMP"] = bb.parse.cached_mtime(fn) + + def virtualfn2realfn(self, virtualfn): + """ + Convert a virtual file name to a real one + the associated subclass keyword + """ + + fn = virtualfn + cls = "" + if virtualfn.startswith('virtual:'): + cls = virtualfn.split(':', 2)[1] + fn = virtualfn.replace('virtual:' + cls + ':', '') + #bb.msg.debug(2, bb.msg.domain.Cache, "virtualfn2realfn %s to %s %s" % (virtualfn, fn, cls)) + return (fn, cls) + + def realfn2virtual(self, realfn, cls): + """ + Convert a real filename + the associated subclass keyword to a virtual filename + """ + if cls == "": + #bb.msg.debug(2, bb.msg.domain.Cache, "realfn2virtual %s and '%s' to %s" % (realfn, cls, realfn)) + return realfn + #bb.msg.debug(2, bb.msg.domain.Cache, "realfn2virtual %s and %s to %s" % (realfn, cls, "virtual:" + cls + ":" + realfn)) + return "virtual:" + cls + ":" + realfn - def loadDataFull(self, fn, cfgData): + def loadDataFull(self, virtualfn, cfgData): """ Return a complete set of data for fn. To do this, we need to parse the file. """ + + (fn, cls) = self.virtualfn2realfn(virtualfn) + bb.msg.debug(1, bb.msg.domain.Cache, "Parsing %s (full)" % fn) bb_data, skipped = self.load_bbfile(fn, cfgData) + if isinstance(bb_data, dict): + return bb_data[cls] + return bb_data - def loadData(self, fn, cfgData): + def loadData(self, fn, cfgData, cacheData): """ Load a subset of data for fn. If the cached data is valid we do nothing, @@ -161,12 +190,36 @@ class Cache: if self.cacheValid(fn): if "SKIPPED" in self.depends_cache[fn]: return True, True + self.handle_data(fn, cacheData) + multi = self.getVar('BBCLASSEXTEND', fn, True) + if multi: + for cls in multi.split(): + virtualfn = self.realfn2virtual(fn, cls) + # Pretend we're clean so getVar works + self.clean[virtualfn] = "" + self.handle_data(virtualfn, cacheData) return True, False bb.msg.debug(1, bb.msg.domain.Cache, "Parsing %s" % fn) bb_data, skipped = self.load_bbfile(fn, cfgData) - self.setData(fn, bb_data) + + if skipped: + if isinstance(bb_data, dict): + self.setData(fn, fn, bb_data[""]) + else: + self.setData(fn, fn, bb_data) + return False, skipped + + if isinstance(bb_data, dict): + for data in bb_data: + virtualfn = self.realfn2virtual(fn, data) + self.setData(virtualfn, fn, bb_data[data]) + self.handle_data(virtualfn, cacheData) + return False, skipped + + self.setData(fn, fn, bb_data) + self.handle_data(fn, cacheData) return False, skipped def cacheValid(self, fn): @@ -384,6 +437,7 @@ class Cache: # Touch this to make sure its in the cache self.getVar('__BB_DONT_CACHE', file_name, True) + self.getVar('BBCLASSEXTEND', file_name, True) def load_bbfile( self, bbfile , config): """ |