53 lines
2.2 KiB
Python
53 lines
2.2 KiB
Python
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# Generate the bblayers.conf file for the current build workspace
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# emitted to stdout for simplicity.
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import os, sys, fnmatch, re
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from operator import itemgetter
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# Trawl the OEROOT as passed to us and find all the layer files that meet our
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# metadata directory criteria...
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def getLayerPaths(target, fnexpr) :
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retList = []
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for file in os.listdir(target) :
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if fnmatch.fnmatch(file, fnexpr) and not (fnmatch.fnmatch(file, "meta-hob") or fnmatch.fnmatch(file, "meta-skeleton")) :
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# Found what might be a metadata layer...
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layerPath = target + "/" + file
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layerConfPath = layerPath + "/conf/layer.conf"
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if os.path.exists(layerConfPath) :
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# Found a layer. Find the priority for it...
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confFile = open(layerConfPath, "r")
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if (confFile != None) :
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for line in confFile :
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fields = line.split()
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if (len(fields) > 0 and re.match("BBFILE_PRIORITY", fields[0])) :
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# Add the path, priority as a tuple to the list for the layer.
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retList += [( layerPath, int(fields[2].strip("\"")) )]
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break
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confFile.close()
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# In order to avoid potential namespace conflicts, between recipes on layers
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# we sort the list in descending order of priority.
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return sorted(retList, key=itemgetter(1), reverse=True)
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# Just spool the tuple list's paths out in order to a string...
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def generatePathString ( pathList ):
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retString = ""
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for path, priority in pathList:
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retString = retString + path + " "
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return retString.strip()
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# Emit our config file...
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print "# This configuration file is dynamically generated every time"
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print "# set_bb_env.sh is sourced to set up a workspace. DO NOT EDIT."
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print "#--------------------------------------------------------------"
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print "LCONF_VERSION = \"4\""
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print
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print "export WORKSPACE := \"${@os.path.abspath(os.path.join(os.path.dirname(bb.data.getVar('FILE', d)),'../../..'))}\""
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print
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print "BBFILES ?= \"\""
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print "BBLAYERS = \"" + generatePathString(getLayerPaths(sys.argv[1].strip("\""), sys.argv[2].strip("\""))) + "\""
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