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-rw-r--r--lib/bb/cache.py68
1 files changed, 61 insertions, 7 deletions
diff --git a/lib/bb/cache.py b/lib/bb/cache.py
index 811e9386a..272619386 100644
--- a/lib/bb/cache.py
+++ b/lib/bb/cache.py
@@ -124,30 +124,59 @@ 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 loadDataFull(self, fn, cfgData):
+ 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, 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,
@@ -160,12 +189,36 @@ 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):
@@ -383,6 +436,7 @@ 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):
"""