Update classes to use lib/oe

Adapt modifications from upstream to make Poky classes use lib/oe for the
common Python functionality.

Signed-off-by: Joshua Lock <josh@linux.intel.com>

4 files changed, 74 insertions, 605 deletions

diff --git a/meta/classes/base.bbclass b/meta/classes/base.bbclass
index d17f485c0..5594bb72d 100644
--- a/meta/classes/base.bbclass
+++ b/meta/classes/base.bbclass
@@ -8,6 +8,32 @@ inherit utils
 inherit utility-tasks
 inherit metadata_scm
 
+python sys_path_eh () {
+    if isinstance(e, bb.event.ConfigParsed):
+        import sys
+        import os
+        import time
+
+        bbpath = e.data.getVar("BBPATH", True).split(":")
+        sys.path[0:0] = [os.path.join(dir, "lib") for dir in bbpath]
+
+        def inject(name, value):
+            """Make a python object accessible from everywhere for the metadata"""
+            if hasattr(bb.utils, "_context"):
+                bb.utils._context[name] = value
+            else:
+                __builtins__[name] = value
+
+        import oe.path
+        import oe.utils
+        inject("bb", bb)
+        inject("sys", sys)
+        inject("time", time)
+        inject("oe", oe)
+}
+
+addhandler sys_path_eh
+
 die() {
 	oefatal "$*"
 }
diff --git a/meta/classes/insane.bbclass b/meta/classes/insane.bbclass
index d8cc67928..6d82e4df8 100644
--- a/meta/classes/insane.bbclass
+++ b/meta/classes/insane.bbclass
@@ -75,87 +75,6 @@ def package_qa_get_machine_dict():
 
        }
 
-# factory for a class, embedded in a method
-def package_qa_get_elf(path, bits32):
-    class ELFFile:
-        EI_NIDENT = 16
-
-        EI_CLASS      = 4
-        EI_DATA       = 5
-        EI_VERSION    = 6
-        EI_OSABI      = 7
-        EI_ABIVERSION = 8
-
-        # possible values for EI_CLASS
-        ELFCLASSNONE = 0
-        ELFCLASS32   = 1
-        ELFCLASS64   = 2
-
-        # possible value for EI_VERSION
-        EV_CURRENT   = 1
-
-        # possible values for EI_DATA
-        ELFDATANONE  = 0
-        ELFDATA2LSB  = 1
-        ELFDATA2MSB  = 2
-
-        def my_assert(self, expectation, result):
-            if not expectation == result:
-                #print "'%x','%x' %s" % (ord(expectation), ord(result), self.name)
-                raise Exception("This does not work as expected")
-
-        def __init__(self, name):
-            self.name = name
-
-        def open(self):
-            self.file = file(self.name, "r")
-            self.data = self.file.read(ELFFile.EI_NIDENT+4)
-
-            self.my_assert(len(self.data), ELFFile.EI_NIDENT+4)
-            self.my_assert(self.data[0], chr(0x7f) )
-            self.my_assert(self.data[1], 'E')
-            self.my_assert(self.data[2], 'L')
-            self.my_assert(self.data[3], 'F')
-            if bits32 :
-                self.my_assert(self.data[ELFFile.EI_CLASS], chr(ELFFile.ELFCLASS32))
-            else:
-                self.my_assert(self.data[ELFFile.EI_CLASS], chr(ELFFile.ELFCLASS64))
-            self.my_assert(self.data[ELFFile.EI_VERSION], chr(ELFFile.EV_CURRENT) )
-
-            self.sex = self.data[ELFFile.EI_DATA]
-            if self.sex == chr(ELFFile.ELFDATANONE):
-                raise Exception("self.sex == ELFDATANONE")
-            elif self.sex == chr(ELFFile.ELFDATA2LSB):
-                self.sex = "<"
-            elif self.sex == chr(ELFFile.ELFDATA2MSB):
-                self.sex = ">"
-            else:
-                raise Exception("Unknown self.sex")
-
-        def osAbi(self):
-            return ord(self.data[ELFFile.EI_OSABI])
-
-        def abiVersion(self):
-            return ord(self.data[ELFFile.EI_ABIVERSION])
-
-        def isLittleEndian(self):
-            return self.sex == "<"
-
-        def isBigEngian(self):
-            return self.sex == ">"
-
-        def machine(self):
-            """
-            We know the sex stored in self.sex and we
-            know the position
-            """
-            import struct
-            (a,) = struct.unpack(self.sex+"H", self.data[18:20])
-            return a
-
-    return ELFFile(path)
-
-
 # Known Error classes
 # 0 - non dev contains .so
 # 1 - package contains a dangerous RPATH
diff --git a/meta/classes/patch.bbclass b/meta/classes/patch.bbclass
index 098bb92b8..b8207680b 100644
--- a/meta/classes/patch.bbclass
+++ b/meta/classes/patch.bbclass
@@ -3,474 +3,26 @@
 # Point to an empty file so any user's custom settings don't break things
 QUILTRCFILE ?= "${STAGING_BINDIR_NATIVE}/quiltrc"
 
-def patch_init(d):
-	class NotFoundError(Exception):
-		def __init__(self, path):
-			self.path = path
-		def __str__(self):
-			return "Error: %s not found." % self.path
-
-	def md5sum(fname):
-		# when we move to Python 2.5 as minimal supported
-		# we can kill that try/except as hashlib is 2.5+
-		try:
-			import hashlib
-			m = hashlib.md5()
-		except ImportError:
-			import md5
-			m = md5.new()
-
-		try:
-			f = file(fname, 'rb')
-		except IOError:
-			raise NotFoundError(fname)
-
-		while True:
-			d = f.read(8096)
-			if not d:
-				break
-			m.update(d)
-		f.close()
-		return m.hexdigest()
-
-	class CmdError(Exception):
-		def __init__(self, exitstatus, output):
-			self.status = exitstatus
-			self.output = output
-
-		def __str__(self):
-			return "Command Error: exit status: %d  Output:\n%s" % (self.status, self.output)
-
-
-	def runcmd(args, dir = None):
-		import commands
-
-		if dir:
-			olddir = os.path.abspath(os.curdir)
-			if not os.path.exists(dir):
-				raise NotFoundError(dir)
-			os.chdir(dir)
-			# print("cwd: %s -> %s" % (olddir, dir))
-
-		try:
-			args = [ commands.mkarg(str(arg)) for arg in args ]
-			cmd = " ".join(args)
-			# print("cmd: %s" % cmd)
-			(exitstatus, output) = commands.getstatusoutput(cmd)
-			if exitstatus != 0:
-				raise CmdError(exitstatus >> 8, output)
-			return output
-
-		finally:
-			if dir:
-				os.chdir(olddir)
-
-	class PatchError(Exception):
-		def __init__(self, msg):
-			self.msg = msg
-
-		def __str__(self):
-			return "Patch Error: %s" % self.msg
-
-	class PatchSet(object):
-		defaults = {
-			"strippath": 1
-		}
-
-		def __init__(self, dir, d):
-			self.dir = dir
-			self.d = d
-			self.patches = []
-			self._current = None
-
-		def current(self):
-			return self._current
-
-		def Clean(self):
-			"""
-			Clean out the patch set.  Generally includes unapplying all
-			patches and wiping out all associated metadata.
-			"""
-			raise NotImplementedError()
-
-		def Import(self, patch, force):
-			if not patch.get("file"):
-				if not patch.get("remote"):
-					raise PatchError("Patch file must be specified in patch import.")
-				else:
-					patch["file"] = bb.fetch.localpath(patch["remote"], self.d)
-
-			for param in PatchSet.defaults:
-				if not patch.get(param):
-					patch[param] = PatchSet.defaults[param]
-
-			if patch.get("remote"):
-				patch["file"] = bb.data.expand(bb.fetch.localpath(patch["remote"], self.d), self.d)
-
-			patch["filemd5"] = md5sum(patch["file"])
-
-		def Push(self, force):
-			raise NotImplementedError()
-
-		def Pop(self, force):
-			raise NotImplementedError()
-
-		def Refresh(self, remote = None, all = None):
-			raise NotImplementedError()
-
-
-	class PatchTree(PatchSet):
-		def __init__(self, dir, d):
-			PatchSet.__init__(self, dir, d)
-
-		def Import(self, patch, force = None):
-			""""""
-			PatchSet.Import(self, patch, force)
-
-			if self._current is not None:
-				i = self._current + 1
-			else:
-				i = 0
-			self.patches.insert(i, patch)
-
-		def _applypatch(self, patch, force = False, reverse = False, run = True):
-			shellcmd = ["cat", patch['file'], "|", "patch", "-p", patch['strippath']]
-			if reverse:
-				shellcmd.append('-R')
-
-			if not run:
-				return "sh" + "-c" + " ".join(shellcmd)
-
-			if not force:
-				shellcmd.append('--dry-run')
-
-			output = runcmd(["sh", "-c", " ".join(shellcmd)], self.dir)
-
-			if force:
-				return
-
-			shellcmd.pop(len(shellcmd) - 1)
-			output = runcmd(["sh", "-c", " ".join(shellcmd)], self.dir)
-			return output
-
-		def Push(self, force = False, all = False, run = True):
-			if all:
-				for i in self.patches:
-					if self._current is not None:
-						self._current = self._current + 1
-					else:
-						self._current = 0
-					bb.note("applying patch %s" % i)
-					self._applypatch(i, force)
-			else:
-				if self._current is not None:
-					self._current = self._current + 1
-				else:
-					self._current = 0
-				bb.note("applying patch %s" % self.patches[self._current])
-				return self._applypatch(self.patches[self._current], force)
-
-
-		def Pop(self, force = None, all = None):
-			if all:
-				for i in self.patches:
-					self._applypatch(i, force, True)
-			else:
-				self._applypatch(self.patches[self._current], force, True)
-
-		def Clean(self):
-			""""""
-
-	class GitApplyTree(PatchTree):
-		def __init__(self, dir, d):
-			PatchTree.__init__(self, dir, d)
-
-		def _applypatch(self, patch, force = False, reverse = False, run = True):
-			shellcmd = ["git", "--git-dir=.", "apply", "-p%s" % patch['strippath']]
-
-			if reverse:
-				shellcmd.append('-R')
-
-			shellcmd.append(patch['file'])
-
-			if not run:
-				return "sh" + "-c" + " ".join(shellcmd)
-
-			return runcmd(["sh", "-c", " ".join(shellcmd)], self.dir)
-
-
-	class QuiltTree(PatchSet):
-		def _runcmd(self, args, run = True):
-			quiltrc = bb.data.getVar('QUILTRCFILE', self.d, 1)
-			if not run:
-				return ["quilt"] + ["--quiltrc"] + [quiltrc] + args
-			runcmd(["quilt"] + ["--quiltrc"] + [quiltrc] + args, self.dir)
-
-		def _quiltpatchpath(self, file):
-			return os.path.join(self.dir, "patches", os.path.basename(file))
-
-
-		def __init__(self, dir, d):
-			PatchSet.__init__(self, dir, d)
-			self.initialized = False
-			p = os.path.join(self.dir, 'patches')
-			if not os.path.exists(p):
-				os.makedirs(p)
-
-		def Clean(self):
-			try:
-				self._runcmd(["pop", "-a", "-f"])
-			except Exception:
-				pass
-			self.initialized = True
-
-		def InitFromDir(self):
-			# read series -> self.patches
-			seriespath = os.path.join(self.dir, 'patches', 'series')
-			if not os.path.exists(self.dir):
-				raise Exception("Error: %s does not exist." % self.dir)
-			if os.path.exists(seriespath):
-				series = file(seriespath, 'r')
-				for line in series.readlines():
-					patch = {}
-					parts = line.strip().split()
-					patch["quiltfile"] = self._quiltpatchpath(parts[0])
-					patch["quiltfilemd5"] = md5sum(patch["quiltfile"])
-					if len(parts) > 1:
-						patch["strippath"] = parts[1][2:]
-					self.patches.append(patch)
-				series.close()
-
-				# determine which patches are applied -> self._current
-				try:
-					output = runcmd(["quilt", "applied"], self.dir)
-				except CmdError:
-					import sys
-					if sys.exc_value.output.strip() == "No patches applied":
-						return
-					else:
-						raise sys.exc_value
-				output = [val for val in output.split('\n') if not val.startswith('#')]
-				for patch in self.patches:
-					if os.path.basename(patch["quiltfile"]) == output[-1]:
-						self._current = self.patches.index(patch)
-			self.initialized = True
-
-		def Import(self, patch, force = None):
-			if not self.initialized:
-				self.InitFromDir()
-			PatchSet.Import(self, patch, force)
-
-			args = ["import", "-p", patch["strippath"]]
-			if force:
-				args.append("-f")
-				args.append("-dn")
-			args.append(patch["file"])
-
-			self._runcmd(args)
-
-			patch["quiltfile"] = self._quiltpatchpath(patch["file"])
-			patch["quiltfilemd5"] = md5sum(patch["quiltfile"])
-
-			# TODO: determine if the file being imported:
-			#	   1) is already imported, and is the same
-			#	   2) is already imported, but differs
-
-			self.patches.insert(self._current or 0, patch)
-
-
-		def Push(self, force = False, all = False, run = True):
-			# quilt push [-f]
-
-			args = ["push"]
-			if force:
-				args.append("-f")
-			if all:
-				args.append("-a")
-			if not run:
-				return self._runcmd(args, run)
-
-			self._runcmd(args)
-
-			if self._current is not None:
-				self._current = self._current + 1
-			else:
-				self._current = 0
-
-		def Pop(self, force = None, all = None):
-			# quilt pop [-f]
-			args = ["pop"]
-			if force:
-				args.append("-f")
-			if all:
-				args.append("-a")
-
-			self._runcmd(args)
-
-			if self._current == 0:
-				self._current = None
-
-			if self._current is not None:
-				self._current = self._current - 1
-
-		def Refresh(self, **kwargs):
-			if kwargs.get("remote"):
-				patch = self.patches[kwargs["patch"]]
-				if not patch:
-					raise PatchError("No patch found at index %s in patchset." % kwargs["patch"])
-				(type, host, path, user, pswd, parm) = bb.decodeurl(patch["remote"])
-				if type == "file":
-					import shutil
-					if not patch.get("file") and patch.get("remote"):
-						patch["file"] = bb.fetch.localpath(patch["remote"], self.d)
-
-					shutil.copyfile(patch["quiltfile"], patch["file"])
-				else:
-					raise PatchError("Unable to do a remote refresh of %s, unsupported remote url scheme %s." % (os.path.basename(patch["quiltfile"]), type))
-			else:
-				# quilt refresh
-				args = ["refresh"]
-				if kwargs.get("quiltfile"):
-					args.append(os.path.basename(kwargs["quiltfile"]))
-				elif kwargs.get("patch"):
-					args.append(os.path.basename(self.patches[kwargs["patch"]]["quiltfile"]))
-				self._runcmd(args)
-
-	class Resolver(object):
-		def __init__(self, patchset):
-			raise NotImplementedError()
-
-		def Resolve(self):
-			raise NotImplementedError()
-
-		def Revert(self):
-			raise NotImplementedError()
-
-		def Finalize(self):
-			raise NotImplementedError()
-
-	class NOOPResolver(Resolver):
-		def __init__(self, patchset):
-			self.patchset = patchset
-
-		def Resolve(self):
-			olddir = os.path.abspath(os.curdir)
-			os.chdir(self.patchset.dir)
-			try:
-				self.patchset.Push()
-			except Exception:
-				import sys
-				os.chdir(olddir)
-				raise sys.exc_value
-
-	# Patch resolver which relies on the user doing all the work involved in the
-	# resolution, with the exception of refreshing the remote copy of the patch
-	# files (the urls).
-	class UserResolver(Resolver):
-		def __init__(self, patchset):
-			self.patchset = patchset
-
-		# Force a push in the patchset, then drop to a shell for the user to
-		# resolve any rejected hunks
-		def Resolve(self):
-
-			olddir = os.path.abspath(os.curdir)
-			os.chdir(self.patchset.dir)
- 			try:
- 				self.patchset.Push(False)
- 			except CmdError, v:
- 				# Patch application failed
- 				patchcmd = self.patchset.Push(True, False, False)
- 
- 				t = bb.data.getVar('T', d, 1)
- 				if not t:
- 					bb.msg.fatal(bb.msg.domain.Build, "T not set")
- 				bb.mkdirhier(t)
- 				import random
- 				rcfile = "%s/bashrc.%s.%s" % (t, str(os.getpid()), random.random())
- 				f = open(rcfile, "w")
- 				f.write("echo '*** Manual patch resolution mode ***'\n")
- 				f.write("echo 'Dropping to a shell, so patch rejects can be fixed manually.'\n")
- 				f.write("echo 'Run \"quilt refresh\" when patch is corrected, press CTRL+D to exit.'\n")
- 				f.write("echo ''\n")
- 				f.write(" ".join(patchcmd) + "\n")
- 				f.write("#" + bb.data.getVar('TERMCMDRUN', d, 1))
- 				f.close()
- 				os.chmod(rcfile, 0775)
- 
- 				bb.utils.build_environment(d)
- 				os.environ['TERMWINDOWTITLE'] = "Bitbake: Please fix patch rejects manually"
- 				os.environ['TERMRCFILE'] = rcfile
- 				bb.debug(bb.data.getVar('TERMCMDRUN', d, 1))
- 				rc = os.system(bb.data.getVar('TERMCMDRUN', d, 1))
-				if os.WIFEXITED(rc) and os.WEXITSTATUS(rc) != 0:
- 					bb.msg.fatal(bb.msg.domain.Build, ("Cannot proceed with manual patch resolution - '%s' not found. " \
-					    + "Check TERMCMDRUN variable.") % bb.data.getVar('TERMCMDRUN', d, 1))
-
-				# Construct a new PatchSet after the user's changes, compare the
-				# sets, checking patches for modifications, and doing a remote
-				# refresh on each.
-				oldpatchset = self.patchset
-				self.patchset = oldpatchset.__class__(self.patchset.dir, self.patchset.d)
-				self.patchset.InitFromDir()
-
-				for patch in self.patchset.patches:
-					oldpatch = None
-					for opatch in oldpatchset.patches:
-						if opatch["quiltfile"] == patch["quiltfile"]:
-							oldpatch = opatch
-
-					if oldpatch:
-						patch["remote"] = oldpatch["remote"]
-						if patch["quiltfile"] == oldpatch["quiltfile"]:
-							if patch["quiltfilemd5"] != oldpatch["quiltfilemd5"]:
-								bb.note("Patch %s has changed, updating remote url %s" % (os.path.basename(patch["quiltfile"]), patch["remote"]))
-								# user change?  remote refresh
-								self.patchset.Refresh(remote=True, patch=self.patchset.patches.index(patch))
-							else:
-								# User did not fix the problem.  Abort.
-								raise PatchError("Patch application failed, and user did not fix and refresh the patch.")
-			except Exception:
-				os.chdir(olddir)
-				raise
-			os.chdir(olddir)
-
-	g = globals()
-	g["PatchSet"] = PatchSet
-	g["PatchTree"] = PatchTree
-	g["QuiltTree"] = QuiltTree
-	g["GitApplyTree"] = GitApplyTree
-	g["Resolver"] = Resolver
-	g["UserResolver"] = UserResolver
-	g["NOOPResolver"] = NOOPResolver
-	g["NotFoundError"] = NotFoundError
-	g["CmdError"] = CmdError
-	g["PatchError"] = PatchError
-
-addtask patch after do_unpack
-do_patch[dirs] = "${WORKDIR}"
-
 PATCHDEPENDENCY = "${PATCHTOOL}-native:do_populate_sysroot"
-do_patch[depends] = "${PATCHDEPENDENCY}"
 
 python patch_do_patch() {
-	patch_init(d)
+        import oe.patch
 
 	src_uri = (bb.data.getVar('SRC_URI', d, 1) or '').split()
 	if not src_uri:
 		return
 
 	patchsetmap = {
-		"patch": PatchTree,
-		"quilt": QuiltTree,
-		"git": GitApplyTree,
+		"patch": oe.patch.PatchTree,
+		"quilt": oe.patch.QuiltTree,
+		"git": oe.patch.GitApplyTree,
 	}
 
 	cls = patchsetmap[bb.data.getVar('PATCHTOOL', d, 1) or 'quilt']
 
 	resolvermap = {
-		"noop": NOOPResolver,
-		"user": UserResolver,
+		"noop": oe.patch.NOOPResolver,
+		"user": oe.patch.UserResolver,
 	}
 
 	rcls = resolvermap[bb.data.getVar('PATCHRESOLVE', d, 1) or 'noop']
@@ -558,9 +110,12 @@ python patch_do_patch() {
 		try:
 			patchset.Import({"file":unpacked, "remote":url, "strippath": pnum}, True)
 			resolver.Resolve()
-		except:
+		except Exception:
 			import sys
 			raise bb.build.FuncFailed(str(sys.exc_value))
 }
 
+addtask patch after do_unpack
+do_patch[dirs] = "${WORKDIR}"
+do_patch[depends] = "${PATCHDEPENDENCY}"
 EXPORT_FUNCTIONS do_patch
diff --git a/meta/classes/utils.bbclass b/meta/classes/utils.bbclass
index c2d323235..f37b565da 100644
--- a/meta/classes/utils.bbclass
+++ b/meta/classes/utils.bbclass
@@ -1,12 +1,42 @@
-# like os.path.join but doesn't treat absolute RHS specially
+# For compatibility
 def base_path_join(a, *p):
-    path = a
-    for b in p:
-        if path == '' or path.endswith('/'):
-            path +=  b
-        else:
-            path += '/' + b
-    return path
+    return oe.path.join(a, *p)
+
+def base_path_relative(src, dest):
+    return oe.path.relative(src, dest)
+
+def base_path_out(path, d):
+    return oe.path.format_display(path, d)
+
+def base_read_file(filename):
+    return oe.utils.read_file(filename)
+
+def base_ifelse(condition, iftrue = True, iffalse = False):
+    return oe.utils.ifelse(condition, iftrue, iffalse)
+
+def base_conditional(variable, checkvalue, truevalue, falsevalue, d):
+    return oe.utils.conditional(variable, checkvalue, truevalue, falsevalue, d)
+
+def base_less_or_equal(variable, checkvalue, truevalue, falsevalue, d):
+    return oe.utils.less_or_equal(variable, checkvalue, truevalue, falsevalue, d)
+
+def base_version_less_or_equal(variable, checkvalue, truevalue, falsevalue, d):
+    return oe.utils.version_less_or_equal(variable, checkvalue, truevalue, falsevalue, d)
+
+def base_contains(variable, checkvalues, truevalue, falsevalue, d):
+    return oe.utils.contains(variable, checkvalues, truevalue, falsevalue, d)
+
+def base_both_contain(variable1, variable2, checkvalue, d):
+    return oe.utils.both_contain(variable1, variable2, checkvalue, d)
+
+def base_prune_suffix(var, suffixes, d):
+    return oe.utils.prune_suffix(var, suffixes, d)
+
+def oe_filter(f, str, d):
+    return oe.utils.str_filter(f, str, d)
+
+def oe_filter_out(f, str, d):
+    return oe.utils.str_filter_out(f, str, d)
 
 # for MD5/SHA handling
 def base_chk_load_parser(config_path):
@@ -80,67 +110,6 @@ def base_chk_file(parser, pn, pv, src_uri, localpath, data):
 
     return True
 
-def base_read_file(filename):
-	try:
-		f = file( filename, "r" )
-	except IOError, reason:
-		return "" # WARNING: can't raise an error now because of the new RDEPENDS handling. This is a bit ugly. :M:
-	else:
-		return f.read().strip()
-	return None
-
-def base_conditional(variable, checkvalue, truevalue, falsevalue, d):
-	if bb.data.getVar(variable,d,1) == checkvalue:
-		return truevalue
-	else:
-		return falsevalue
-
-def base_less_or_equal(variable, checkvalue, truevalue, falsevalue, d):
-	if float(bb.data.getVar(variable,d,1)) <= float(checkvalue):
-		return truevalue
-	else:
-		return falsevalue
-
-def base_version_less_or_equal(variable, checkvalue, truevalue, falsevalue, d):
-    result = bb.vercmp(bb.data.getVar(variable,d,True), checkvalue)
-    if result <= 0:
-        return truevalue
-    else:
-        return falsevalue
-
-def base_contains(variable, checkvalues, truevalue, falsevalue, d):
-	matches = 0
-	if type(checkvalues).__name__ == "str":
-		checkvalues = [checkvalues]
-	for value in checkvalues:
-		if bb.data.getVar(variable,d,1).find(value) != -1:	
-			matches = matches + 1
-	if matches == len(checkvalues):
-		return truevalue		
-	return falsevalue
-
-def base_both_contain(variable1, variable2, checkvalue, d):
-       if bb.data.getVar(variable1,d,1).find(checkvalue) != -1 and bb.data.getVar(variable2,d,1).find(checkvalue) != -1:
-               return checkvalue
-       else:
-               return ""
-
-def base_prune_suffix(var, suffixes, d):
-    # See if var ends with any of the suffixes listed and 
-    # remove it if found
-    for suffix in suffixes:
-        if var.endswith(suffix):
-            return var.replace(suffix, "")
-    return var
-
-def oe_filter(f, str, d):
-	from re import match
-	return " ".join(filter(lambda x: match(f, x, 0), str.split()))
-
-def oe_filter_out(f, str, d):
-	from re import match
-	return " ".join(filter(lambda x: not match(f, x, 0), str.split()))
-
 oe_soinstall() {
 	# Purpose: Install shared library file and
 	#          create the necessary links