diff --git a/core/clear_vars.mk b/core/clear_vars.mk
index 8fe5214..e325760 100644
--- a/core/clear_vars.mk
+++ b/core/clear_vars.mk
@@ -153,7 +153,6 @@
 LOCAL_JAR_PROCESSOR_ARGS:=
 LOCAL_JAVACFLAGS:=
 LOCAL_JAVA_LANGUAGE_VERSION:=
-LOCAL_JAVA_LAYERS_FILE:=
 LOCAL_JAVA_LIBRARIES:=
 LOCAL_JAVA_RESOURCE_DIRS:=
 LOCAL_JAVA_RESOURCE_FILES:=
diff --git a/core/definitions.mk b/core/definitions.mk
index 98fdd6c..afa7f7b 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -2604,8 +2604,6 @@
     $(if $(PRIVATE_SRCJARS),\@$(PRIVATE_SRCJAR_LIST_FILE)) \
     || ( rm -rf $(PRIVATE_CLASS_INTERMEDIATES_DIR) ; exit 41 ) \
 fi
-$(if $(PRIVATE_JAVA_LAYERS_FILE), $(hide) build/make/tools/java-layers.py \
-    $(PRIVATE_JAVA_LAYERS_FILE) @$(PRIVATE_JAVA_SOURCE_LIST),)
 $(if $(PRIVATE_JAR_EXCLUDE_FILES), $(hide) find $(PRIVATE_CLASS_INTERMEDIATES_DIR) \
     -name $(word 1, $(PRIVATE_JAR_EXCLUDE_FILES)) \
     $(addprefix -o -name , $(wordlist 2, 999, $(PRIVATE_JAR_EXCLUDE_FILES))) \
diff --git a/core/host_java_library.mk b/core/host_java_library.mk
index 0f95202..89aa53c 100644
--- a/core/host_java_library.mk
+++ b/core/host_java_library.mk
@@ -56,10 +56,6 @@
 
 include $(BUILD_SYSTEM)/java_common.mk
 
-# The layers file allows you to enforce a layering between java packages.
-# Run build/make/tools/java-layers.py for more details.
-layers_file := $(addprefix $(LOCAL_PATH)/, $(LOCAL_JAVA_LAYERS_FILE))
-
 # List of dependencies for anything that needs all java sources in place
 java_sources_deps := \
     $(java_sources) \
@@ -72,7 +68,6 @@
 
 # TODO(b/143658984): goma can't handle the --system argument to javac.
 #$(full_classes_compiled_jar): .KATI_NINJA_POOL := $(GOMA_POOL)
-$(full_classes_compiled_jar): PRIVATE_JAVA_LAYERS_FILE := $(layers_file)
 $(full_classes_compiled_jar): PRIVATE_JAVACFLAGS := $(LOCAL_JAVACFLAGS) $(annotation_processor_flags)
 $(full_classes_compiled_jar): PRIVATE_JAR_EXCLUDE_FILES :=
 $(full_classes_compiled_jar): PRIVATE_JAR_PACKAGES :=
diff --git a/core/java.mk b/core/java.mk
index 01951c0..b13ef4d 100644
--- a/core/java.mk
+++ b/core/java.mk
@@ -200,10 +200,6 @@
 $(eval $(call copy-one-file,$(full_classes_jar),$(full_classes_stubs_jar)))
 ALL_MODULES.$(my_register_name).STUBS := $(full_classes_stubs_jar)
 
-# The layers file allows you to enforce a layering between java packages.
-# Run build/make/tools/java-layers.py for more details.
-layers_file := $(addprefix $(LOCAL_PATH)/, $(LOCAL_JAVA_LAYERS_FILE))
-$(full_classes_compiled_jar): PRIVATE_JAVA_LAYERS_FILE := $(layers_file)
 $(full_classes_compiled_jar): PRIVATE_WARNINGS_ENABLE := $(LOCAL_WARNINGS_ENABLE)
 
 # Compile the java files to a .jar file.
diff --git a/target/board/Android.mk b/target/board/Android.mk
index baa3d3a..21c0c10 100644
--- a/target/board/Android.mk
+++ b/target/board/Android.mk
@@ -19,8 +19,11 @@
 ifndef board_info_txt
 board_info_txt := $(wildcard $(TARGET_DEVICE_DIR)/board-info.txt)
 endif
-$(INSTALLED_ANDROID_INFO_TXT_TARGET): $(board_info_txt) build/make/tools/check_radio_versions.py
-	$(hide) build/make/tools/check_radio_versions.py $< $(BOARD_INFO_CHECK)
+CHECK_RADIO_VERSIONS := $(HOST_OUT_EXECUTABLES)/check_radio_versions$(HOST_EXECUTABLE_SUFFIX)
+$(INSTALLED_ANDROID_INFO_TXT_TARGET): $(board_info_txt) $(CHECK_RADIO_VERSIONS)
+	$(hide) $(CHECK_RADIO_VERSIONS) \
+		--board_info_txt $(board_info_txt) \
+		--board_info_check $(BOARD_INFO_CHECK)
 	$(call pretty,"Generated: ($@)")
 ifdef board_info_txt
 	$(hide) grep -v '#' $< > $@
diff --git a/tools/Android.bp b/tools/Android.bp
index bd326f1..f401058 100644
--- a/tools/Android.bp
+++ b/tools/Android.bp
@@ -54,3 +54,8 @@
   name: "build-runfiles",
   srcs: ["build-runfiles.cc"],
 }
+
+python_binary_host {
+  name: "check_radio_versions",
+  srcs: ["check_radio_versions.py"],
+}
diff --git a/tools/check_radio_versions.py b/tools/check_radio_versions.py
index ebe621f..d1d50e6 100755
--- a/tools/check_radio_versions.py
+++ b/tools/check_radio_versions.py
@@ -22,11 +22,18 @@
 except ImportError:
   from sha import sha as sha1
 
-if len(sys.argv) < 2:
+import argparse
+
+parser = argparse.ArgumentParser()
+parser.add_argument("--board_info_txt", nargs="?", required=True)
+parser.add_argument("--board_info_check", nargs="*", required=True)
+args = parser.parse_args()
+
+if not args.board_info_txt:
   sys.exit(0)
 
 build_info = {}
-f = open(sys.argv[1])
+f = open(args.board_info_txt)
 for line in f:
   line = line.strip()
   if line.startswith("require"):
@@ -36,7 +43,7 @@
 
 bad = False
 
-for item in sys.argv[2:]:
+for item in args.board_info_check:
   key, fn = item.split(":", 1)
 
   values = build_info.get(key, None)
@@ -52,8 +59,8 @@
   try:
     f = open(fn + ".sha1")
   except IOError:
-    if not bad: print
-    print "*** Error opening \"%s.sha1\"; can't verify %s" % (fn, key)
+    if not bad: print()
+    print("*** Error opening \"%s.sha1\"; can't verify %s" % (fn, key))
     bad = True
     continue
   for line in f:
@@ -63,17 +70,17 @@
     versions[h] = v
 
   if digest not in versions:
-    if not bad: print
-    print "*** SHA-1 hash of \"%s\" doesn't appear in \"%s.sha1\"" % (fn, fn)
+    if not bad: print()
+    print("*** SHA-1 hash of \"%s\" doesn't appear in \"%s.sha1\"" % (fn, fn))
     bad = True
     continue
 
   if versions[digest] not in values:
-    if not bad: print
-    print "*** \"%s\" is version %s; not any %s allowed by \"%s\"." % (
-        fn, versions[digest], key, sys.argv[1])
+    if not bad: print()
+    print("*** \"%s\" is version %s; not any %s allowed by \"%s\"." % (
+        fn, versions[digest], key, args.board_info_txt))
     bad = True
 
 if bad:
-  print
+  print()
   sys.exit(1)
diff --git a/tools/fileslist_util.py b/tools/fileslist_util.py
index ff40d51..a1b1197 100755
--- a/tools/fileslist_util.py
+++ b/tools/fileslist_util.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Copyright (C) 2016 The Android Open Source Project
 #
@@ -15,7 +15,9 @@
 # limitations under the License.
 #
 
-import getopt, json, sys
+import argparse
+import json
+import sys
 
 def PrintFileNames(path):
   with open(path) as jf:
@@ -27,42 +29,25 @@
   with open(path) as jf:
     data = json.load(jf)
   for line in data:
-    print "{0:12d}  {1}".format(line["Size"], line["Name"])
+    print(f"{line['Size']:12d}  {line['Name']}")
 
-def PrintUsage(name):
-  print("""
-Usage: %s -[nc] json_files_list
- -n produces list of files only
- -c produces classic installed-files.txt
-""" % (name))
+def main():
+  parser = argparse.ArgumentParser()
+  parser.add_argument("-n", action="store_true",
+                      help="produces list of files only")
+  parser.add_argument("-c", action="store_true",
+                      help="produces classic installed-files.txt")
+  parser.add_argument("json_files_list")
+  args = parser.parse_args()
 
-def main(argv):
-  try:
-    opts, args = getopt.getopt(argv[1:], "nc", "")
-  except getopt.GetoptError, err:
-    print(err)
-    PrintUsage(argv[0])
-    sys.exit(2)
-
-  if len(opts) == 0:
-    print("No conversion option specified")
-    PrintUsage(argv[0])
-    sys.exit(2)
-
-  if len(args) == 0:
-    print("No input file specified")
-    PrintUsage(argv[0])
-    sys.exit(2)
-
-  for o, a in opts:
-    if o == ("-n"):
-      PrintFileNames(args[0])
-      sys.exit()
-    elif o == ("-c"):
-      PrintCanonicalList(args[0])
-      sys.exit()
-    else:
-      assert False, "Unsupported option"
+  if args.n and args.c:
+    sys.exit("Cannot specify both -n and -c")
+  elif args.n:
+    PrintFileNames(args.json_files_list)
+  elif args.c:
+    PrintCanonicalList(args.json_files_list)
+  else:
+    sys.exit("No conversion option specified")
 
 if __name__ == '__main__':
-  main(sys.argv)
+  main()
diff --git a/tools/findleaves.py b/tools/findleaves.py
index 97302e9..86f3f3a 100755
--- a/tools/findleaves.py
+++ b/tools/findleaves.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Copyright (C) 2009 The Android Open Source Project
 #
@@ -121,7 +121,7 @@
   results = list(set(perform_find(mindepth, prune, dirlist, filenames)))
   results.sort()
   for r in results:
-    print r
+    print(r)
 
 if __name__ == "__main__":
   main(sys.argv)
diff --git a/tools/fs_config/Android.bp b/tools/fs_config/Android.bp
index d57893c..55fdca4 100644
--- a/tools/fs_config/Android.bp
+++ b/tools/fs_config/Android.bp
@@ -43,14 +43,6 @@
 python_binary_host {
     name: "fs_config_generator",
     srcs: ["fs_config_generator.py"],
-    version: {
-        py2: {
-            enabled: true,
-        },
-        py3: {
-            enabled: false,
-        },
-    },
 }
 
 python_test_host {
@@ -60,14 +52,6 @@
         "test_fs_config_generator.py",
         "fs_config_generator.py",
     ],
-    version: {
-        py2: {
-            enabled: true,
-        },
-        py3: {
-            enabled: false,
-        },
-    },
 }
 
 target_fs_config_gen_filegroup {
diff --git a/tools/fs_config/fs_config_generator.py b/tools/fs_config/fs_config_generator.py
index cb1616a..44480b8 100755
--- a/tools/fs_config/fs_config_generator.py
+++ b/tools/fs_config/fs_config_generator.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python3
 """Generates config files for Android file system properties.
 
 This script is used for generating configuration files for configuring
@@ -11,7 +11,7 @@
 """
 
 import argparse
-import ConfigParser
+import configparser
 import ctypes
 import re
 import sys
@@ -463,7 +463,7 @@
         # No core AIDs should be within any oem range.
         for aid in self._aid_value_to_name:
             for ranges in self._ranges.values():
-                if Utils.in_any_range(aid, ranges):
+                if Utils.in_any_range(int(aid, 0), ranges):
                     name = self._aid_value_to_name[aid]
                     raise ValueError(
                         'AID "%s" value: %u within reserved OEM Range: "%s"' %
@@ -569,7 +569,7 @@
         # override previous
         # sections.
 
-        config = ConfigParser.ConfigParser()
+        config = configparser.ConfigParser()
         config.read(file_name)
 
         for section in config.sections():
@@ -613,7 +613,7 @@
 
         ranges = None
 
-        partitions = self._ranges.keys()
+        partitions = list(self._ranges.keys())
         partitions.sort(key=len, reverse=True)
         for partition in partitions:
             if aid.friendly.startswith(partition):
@@ -1073,7 +1073,7 @@
         user_binary = bytearray(ctypes.c_uint16(int(user, 0)))
         group_binary = bytearray(ctypes.c_uint16(int(group, 0)))
         caps_binary = bytearray(ctypes.c_uint64(caps_value))
-        path_binary = ctypes.create_string_buffer(path,
+        path_binary = ctypes.create_string_buffer(path.encode(),
                                                   path_length_aligned_64).raw
 
         out_file.write(length_binary)
@@ -1169,21 +1169,21 @@
         hdr = AIDHeaderParser(args['hdrfile'])
         max_name_length = max(len(aid.friendly) + 1 for aid in hdr.aids)
 
-        print AIDArrayGen._GENERATED
-        print
-        print AIDArrayGen._INCLUDE
-        print
-        print AIDArrayGen._STRUCT_FS_CONFIG % max_name_length
-        print
-        print AIDArrayGen._OPEN_ID_ARRAY
+        print(AIDArrayGen._GENERATED)
+        print()
+        print(AIDArrayGen._INCLUDE)
+        print()
+        print(AIDArrayGen._STRUCT_FS_CONFIG % max_name_length)
+        print()
+        print(AIDArrayGen._OPEN_ID_ARRAY)
 
         for aid in hdr.aids:
-            print AIDArrayGen._ID_ENTRY % (aid.friendly, aid.identifier)
+            print(AIDArrayGen._ID_ENTRY % (aid.friendly, aid.identifier))
 
-        print AIDArrayGen._CLOSE_FILE_STRUCT
-        print
-        print AIDArrayGen._COUNT
-        print
+        print(AIDArrayGen._CLOSE_FILE_STRUCT)
+        print()
+        print(AIDArrayGen._COUNT)
+        print()
 
 
 @generator('oemaid')
@@ -1225,15 +1225,15 @@
 
         parser = FSConfigFileParser(args['fsconfig'], hdr_parser.ranges)
 
-        print OEMAidGen._GENERATED
+        print(OEMAidGen._GENERATED)
 
-        print OEMAidGen._FILE_IFNDEF_DEFINE
+        print(OEMAidGen._FILE_IFNDEF_DEFINE)
 
         for aid in parser.aids:
             self._print_aid(aid)
-            print
+            print()
 
-        print OEMAidGen._FILE_ENDIF
+        print(OEMAidGen._FILE_ENDIF)
 
     def _print_aid(self, aid):
         """Prints a valid #define AID identifier to stdout.
@@ -1245,10 +1245,10 @@
         # print the source file location of the AID
         found_file = aid.found
         if found_file != self._old_file:
-            print OEMAidGen._FILE_COMMENT % found_file
+            print(OEMAidGen._FILE_COMMENT % found_file)
             self._old_file = found_file
 
-        print OEMAidGen._GENERIC_DEFINE % (aid.identifier, aid.value)
+        print(OEMAidGen._GENERIC_DEFINE % (aid.identifier, aid.value))
 
 
 @generator('passwd')
@@ -1292,7 +1292,7 @@
             return
 
         aids_by_partition = {}
-        partitions = hdr_parser.ranges.keys()
+        partitions = list(hdr_parser.ranges.keys())
         partitions.sort(key=len, reverse=True)
 
         for aid in aids:
@@ -1331,7 +1331,7 @@
         except ValueError as exception:
             sys.exit(exception)
 
-        print "%s::%s:%s::/:%s" % (logon, uid, uid, aid.login_shell)
+        print("%s::%s:%s::/:%s" % (logon, uid, uid, aid.login_shell))
 
 
 @generator('group')
@@ -1356,7 +1356,7 @@
         except ValueError as exception:
             sys.exit(exception)
 
-        print "%s::%s:" % (logon, uid)
+        print("%s::%s:" % (logon, uid))
 
 
 @generator('print')
@@ -1379,7 +1379,7 @@
         aids.sort(key=lambda item: int(item.normalized_value))
 
         for aid in aids:
-            print '%s %s' % (aid.identifier, aid.normalized_value)
+            print('%s %s' % (aid.identifier, aid.normalized_value))
 
 
 def main():
@@ -1393,7 +1393,7 @@
     gens = generator.get()
 
     # for each gen, instantiate and add them as an option
-    for name, gen in gens.iteritems():
+    for name, gen in gens.items():
 
         generator_option_parser = subparser.add_parser(name, help=gen.__doc__)
         generator_option_parser.set_defaults(which=name)
diff --git a/tools/fs_config/test_fs_config_generator.py b/tools/fs_config/test_fs_config_generator.py
index 76ed8f4..cbf46a1 100755
--- a/tools/fs_config/test_fs_config_generator.py
+++ b/tools/fs_config/test_fs_config_generator.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 """Unit test suite for the fs_config_genertor.py tool."""
 
 import tempfile
@@ -64,7 +64,7 @@
     def test_aid_header_parser_good(self):
         """Test AID Header Parser good input file"""
 
-        with tempfile.NamedTemporaryFile() as temp_file:
+        with tempfile.NamedTemporaryFile(mode='w') as temp_file:
             temp_file.write(
                 textwrap.dedent("""
                 #define AID_FOO 1000
@@ -91,7 +91,7 @@
     def test_aid_header_parser_good_unordered(self):
         """Test AID Header Parser good unordered input file"""
 
-        with tempfile.NamedTemporaryFile() as temp_file:
+        with tempfile.NamedTemporaryFile(mode='w') as temp_file:
             temp_file.write(
                 textwrap.dedent("""
                 #define AID_FOO 1000
@@ -118,7 +118,7 @@
     def test_aid_header_parser_bad_aid(self):
         """Test AID Header Parser bad aid input file"""
 
-        with tempfile.NamedTemporaryFile() as temp_file:
+        with tempfile.NamedTemporaryFile(mode='w') as temp_file:
             temp_file.write(
                 textwrap.dedent("""
                 #define AID_FOO "bad"
@@ -131,7 +131,7 @@
     def test_aid_header_parser_bad_oem_range(self):
         """Test AID Header Parser bad oem range input file"""
 
-        with tempfile.NamedTemporaryFile() as temp_file:
+        with tempfile.NamedTemporaryFile(mode='w') as temp_file:
             temp_file.write(
                 textwrap.dedent("""
                 #define AID_OEM_RESERVED_START 2900
@@ -145,7 +145,7 @@
     def test_aid_header_parser_bad_oem_range_no_end(self):
         """Test AID Header Parser bad oem range (no end) input file"""
 
-        with tempfile.NamedTemporaryFile() as temp_file:
+        with tempfile.NamedTemporaryFile(mode='w') as temp_file:
             temp_file.write(
                 textwrap.dedent("""
                 #define AID_OEM_RESERVED_START 2900
@@ -158,7 +158,7 @@
     def test_aid_header_parser_bad_oem_range_no_start(self):
         """Test AID Header Parser bad oem range (no start) input file"""
 
-        with tempfile.NamedTemporaryFile() as temp_file:
+        with tempfile.NamedTemporaryFile(mode='w') as temp_file:
             temp_file.write(
                 textwrap.dedent("""
                 #define AID_OEM_RESERVED_END 2900
@@ -171,7 +171,7 @@
     def test_aid_header_parser_bad_oem_range_duplicated(self):
         """Test AID Header Parser bad oem range (no start) input file"""
 
-        with tempfile.NamedTemporaryFile() as temp_file:
+        with tempfile.NamedTemporaryFile(mode='w') as temp_file:
             temp_file.write(
                 textwrap.dedent("""
                 #define AID_OEM_RESERVED_START 2000
@@ -187,7 +187,7 @@
     def test_aid_header_parser_bad_oem_range_mismatch_start_end(self):
         """Test AID Header Parser bad oem range mismatched input file"""
 
-        with tempfile.NamedTemporaryFile() as temp_file:
+        with tempfile.NamedTemporaryFile(mode='w') as temp_file:
             temp_file.write(
                 textwrap.dedent("""
                 #define AID_OEM_RESERVED_START 2900
@@ -201,7 +201,7 @@
     def test_aid_header_parser_bad_duplicate_ranges(self):
         """Test AID Header Parser exits cleanly on duplicate AIDs"""
 
-        with tempfile.NamedTemporaryFile() as temp_file:
+        with tempfile.NamedTemporaryFile(mode='w') as temp_file:
             temp_file.write(
                 textwrap.dedent("""
                 #define AID_FOO 100
@@ -222,7 +222,7 @@
           - https://android-review.googlesource.com/#/c/313169
         """
 
-        with tempfile.NamedTemporaryFile() as temp_file:
+        with tempfile.NamedTemporaryFile(mode='w') as temp_file:
             temp_file.write(
                 textwrap.dedent("""
                 #define AID_APP              10000 /* TODO: switch users over to AID_APP_START */
@@ -257,7 +257,7 @@
     def test_fs_config_file_parser_good(self):
         """Test FSConfig Parser good input file"""
 
-        with tempfile.NamedTemporaryFile() as temp_file:
+        with tempfile.NamedTemporaryFile(mode='w') as temp_file:
             temp_file.write(
                 textwrap.dedent("""
                 [/system/bin/file]
@@ -305,7 +305,7 @@
     def test_fs_config_file_parser_bad(self):
         """Test FSConfig Parser bad input file"""
 
-        with tempfile.NamedTemporaryFile() as temp_file:
+        with tempfile.NamedTemporaryFile(mode='w') as temp_file:
             temp_file.write(
                 textwrap.dedent("""
                 [/system/bin/file]
@@ -319,7 +319,7 @@
     def test_fs_config_file_parser_bad_aid_range(self):
         """Test FSConfig Parser bad aid range value input file"""
 
-        with tempfile.NamedTemporaryFile() as temp_file:
+        with tempfile.NamedTemporaryFile(mode='w') as temp_file:
             temp_file.write(
                 textwrap.dedent("""
                 [AID_OEM1]
diff --git a/tools/java-layers.py b/tools/java-layers.py
deleted file mode 100755
index b3aec2b..0000000
--- a/tools/java-layers.py
+++ /dev/null
@@ -1,257 +0,0 @@
-#!/usr/bin/env python
-
-import os
-import re
-import sys
-
-def fail_with_usage():
-  sys.stderr.write("usage: java-layers.py DEPENDENCY_FILE SOURCE_DIRECTORIES...\n")
-  sys.stderr.write("\n")
-  sys.stderr.write("Enforces layering between java packages.  Scans\n")
-  sys.stderr.write("DIRECTORY and prints errors when the packages violate\n")
-  sys.stderr.write("the rules defined in the DEPENDENCY_FILE.\n")
-  sys.stderr.write("\n")
-  sys.stderr.write("Prints a warning when an unknown package is encountered\n")
-  sys.stderr.write("on the assumption that it should fit somewhere into the\n")
-  sys.stderr.write("layering.\n")
-  sys.stderr.write("\n")
-  sys.stderr.write("DEPENDENCY_FILE format\n")
-  sys.stderr.write("  - # starts comment\n")
-  sys.stderr.write("  - Lines consisting of two java package names:  The\n")
-  sys.stderr.write("    first package listed must not contain any references\n")
-  sys.stderr.write("    to any classes present in the second package, or any\n")
-  sys.stderr.write("    of its dependencies.\n")
-  sys.stderr.write("  - Lines consisting of one java package name:  The\n")
-  sys.stderr.write("    packge is assumed to be a high level package and\n")
-  sys.stderr.write("    nothing may depend on it.\n")
-  sys.stderr.write("  - Lines consisting of a dash (+) followed by one java\n")
-  sys.stderr.write("    package name: The package is considered a low level\n")
-  sys.stderr.write("    package and may not import any of the other packages\n")
-  sys.stderr.write("    listed in the dependency file.\n")
-  sys.stderr.write("  - Lines consisting of a plus (-) followed by one java\n")
-  sys.stderr.write("    package name: The package is considered \'legacy\'\n")
-  sys.stderr.write("    and excluded from errors.\n")
-  sys.stderr.write("\n")
-  sys.exit(1)
-
-class Dependency:
-  def __init__(self, filename, lineno, lower, top, lowlevel, legacy):
-    self.filename = filename
-    self.lineno = lineno
-    self.lower = lower
-    self.top = top
-    self.lowlevel = lowlevel
-    self.legacy = legacy
-    self.uppers = []
-    self.transitive = set()
-
-  def matches(self, imp):
-    for d in self.transitive:
-      if imp.startswith(d):
-        return True
-    return False
-
-class Dependencies:
-  def __init__(self, deps):
-    def recurse(obj, dep, visited):
-      global err
-      if dep in visited:
-        sys.stderr.write("%s:%d: Circular dependency found:\n"
-            % (dep.filename, dep.lineno))
-        for v in visited:
-          sys.stderr.write("%s:%d:    Dependency: %s\n"
-              % (v.filename, v.lineno, v.lower))
-        err = True
-        return
-      visited.append(dep)
-      for upper in dep.uppers:
-        obj.transitive.add(upper)
-        if upper in deps:
-          recurse(obj, deps[upper], visited)
-    self.deps = deps
-    self.parts = [(dep.lower.split('.'),dep) for dep in deps.itervalues()]
-    # transitive closure of dependencies
-    for dep in deps.itervalues():
-      recurse(dep, dep, [])
-    # disallow everything from the low level components
-    for dep in deps.itervalues():
-      if dep.lowlevel:
-        for d in deps.itervalues():
-          if dep != d and not d.legacy:
-            dep.transitive.add(d.lower)
-    # disallow the 'top' components everywhere but in their own package
-    for dep in deps.itervalues():
-      if dep.top and not dep.legacy:
-        for d in deps.itervalues():
-          if dep != d and not d.legacy:
-            d.transitive.add(dep.lower)
-    for dep in deps.itervalues():
-      dep.transitive = set([x+"." for x in dep.transitive])
-    if False:
-      for dep in deps.itervalues():
-        print "-->", dep.lower, "-->", dep.transitive
-
-  # Lookup the dep object for the given package.  If pkg is a subpackage
-  # of one with a rule, that one will be returned.  If no matches are found,
-  # None is returned.
-  def lookup(self, pkg):
-    # Returns the number of parts that match
-    def compare_parts(parts, pkg):
-      if len(parts) > len(pkg):
-        return 0
-      n = 0
-      for i in range(0, len(parts)):
-        if parts[i] != pkg[i]:
-          return 0
-        n = n + 1
-      return n
-    pkg = pkg.split(".")
-    matched = 0
-    result = None
-    for (parts,dep) in self.parts:
-      x = compare_parts(parts, pkg)
-      if x > matched:
-        matched = x
-        result = dep
-    return result
-
-def parse_dependency_file(filename):
-  global err
-  f = file(filename)
-  lines = f.readlines()
-  f.close()
-  def lineno(s, i):
-    i[0] = i[0] + 1
-    return (i[0],s)
-  n = [0]
-  lines = [lineno(x,n) for x in lines]
-  lines = [(n,s.split("#")[0].strip()) for (n,s) in lines]
-  lines = [(n,s) for (n,s) in lines if len(s) > 0]
-  lines = [(n,s.split()) for (n,s) in lines]
-  deps = {}
-  for n,words in lines:
-    if len(words) == 1:
-      lower = words[0]
-      top = True
-      legacy = False
-      lowlevel = False
-      if lower[0] == '+':
-        lower = lower[1:]
-        top = False
-        lowlevel = True
-      elif lower[0] == '-':
-        lower = lower[1:]
-        legacy = True
-      if lower in deps:
-        sys.stderr.write(("%s:%d: Package '%s' already defined on"
-            + " line %d.\n") % (filename, n, lower, deps[lower].lineno))
-        err = True
-      else:
-        deps[lower] = Dependency(filename, n, lower, top, lowlevel, legacy)
-    elif len(words) == 2:
-      lower = words[0]
-      upper = words[1]
-      if lower in deps:
-        dep = deps[lower]
-        if dep.top:
-          sys.stderr.write(("%s:%d: Can't add dependency to top level package "
-            + "'%s'\n") % (filename, n, lower))
-          err = True
-      else:
-        dep = Dependency(filename, n, lower, False, False, False)
-        deps[lower] = dep
-      dep.uppers.append(upper)
-    else:
-      sys.stderr.write("%s:%d: Too many words on line starting at \'%s\'\n" % (
-          filename, n, words[2]))
-      err = True
-  return Dependencies(deps)
-
-def find_java_files(srcs):
-  result = []
-  for d in srcs:
-    if d[0] == '@':
-      f = file(d[1:])
-      result.extend([fn for fn in [s.strip() for s in f.readlines()]
-          if len(fn) != 0])
-      f.close()
-    else:
-      for root, dirs, files in os.walk(d):
-        result.extend([os.sep.join((root,f)) for f in files
-            if f.lower().endswith(".java")])
-  return result
-
-COMMENTS = re.compile("//.*?\n|/\*.*?\*/", re.S)
-PACKAGE = re.compile("package\s+(.*)")
-IMPORT = re.compile("import\s+(.*)")
-
-def examine_java_file(deps, filename):
-  global err
-  # Yes, this is a crappy java parser.  Write a better one if you want to.
-  f = file(filename)
-  text = f.read()
-  f.close()
-  text = COMMENTS.sub("", text)
-  index = text.find("{")
-  if index < 0:
-    sys.stderr.write(("%s: Error: Unable to parse java. Can't find class "
-        + "declaration.\n") % filename)
-    err = True
-    return
-  text = text[0:index]
-  statements = [s.strip() for s in text.split(";")]
-  # First comes the package declaration.  Then iterate while we see import
-  # statements.  Anything else is either bad syntax that we don't care about
-  # because the compiler will fail, or the beginning of the class declaration.
-  m = PACKAGE.match(statements[0])
-  if not m:
-    sys.stderr.write(("%s: Error: Unable to parse java. Missing package "
-        + "statement.\n") % filename)
-    err = True
-    return
-  pkg = m.group(1)
-  imports = []
-  for statement in statements[1:]:
-    m = IMPORT.match(statement)
-    if not m:
-      break
-    imports.append(m.group(1))
-  # Do the checking
-  if False:
-    print filename
-    print "'%s' --> %s" % (pkg, imports)
-  dep = deps.lookup(pkg)
-  if not dep:
-    sys.stderr.write(("%s: Error: Package does not appear in dependency file: "
-      + "%s\n") % (filename, pkg))
-    err = True
-    return
-  for imp in imports:
-    if dep.matches(imp):
-      sys.stderr.write("%s: Illegal import in package '%s' of '%s'\n"
-          % (filename, pkg, imp))
-      err = True
-
-err = False
-
-def main(argv):
-  if len(argv) < 3:
-    fail_with_usage()
-  deps = parse_dependency_file(argv[1])
-
-  if err:
-    sys.exit(1)
-
-  java = find_java_files(argv[2:])
-  for filename in java:
-    examine_java_file(deps, filename)
-
-  if err:
-    sys.stderr.write("%s: Using this file as dependency file.\n" % argv[1])
-    sys.exit(1)
-
-  sys.exit(0)
-
-if __name__ == "__main__":
-  main(sys.argv)
-
diff --git a/tools/parsedeps.py b/tools/parsedeps.py
deleted file mode 100755
index 32d8ad7..0000000
--- a/tools/parsedeps.py
+++ /dev/null
@@ -1,151 +0,0 @@
-#!/usr/bin/env python
-# vim: ts=2 sw=2
-
-import optparse
-import re
-import sys
-
-
-class Dependency:
-  def __init__(self, tgt):
-    self.tgt = tgt
-    self.pos = ""
-    self.prereqs = set()
-    self.visit = 0
-
-  def add(self, prereq):
-    self.prereqs.add(prereq)
-
-
-class Dependencies:
-  def __init__(self):
-    self.lines = {}
-    self.__visit = 0
-    self.count = 0
-
-  def add(self, tgt, prereq):
-    t = self.lines.get(tgt)
-    if not t:
-      t = Dependency(tgt)
-      self.lines[tgt] = t
-    p = self.lines.get(prereq)
-    if not p:
-      p = Dependency(prereq)
-      self.lines[prereq] = p
-    t.add(p)
-    self.count = self.count + 1
-
-  def setPos(self, tgt, pos):
-    t = self.lines.get(tgt)
-    if not t:
-      t = Dependency(tgt)
-      self.lines[tgt] = t
-    t.pos = pos
-
-  def get(self, tgt):
-    if self.lines.has_key(tgt):
-      return self.lines[tgt]
-    else:
-      return None
-
-  def __iter__(self):
-    return self.lines.iteritems()
-
-  def trace(self, tgt, prereq):
-    self.__visit = self.__visit + 1
-    d = self.lines.get(tgt)
-    if not d:
-      return
-    return self.__trace(d, prereq)
-
-  def __trace(self, d, prereq):
-    if d.visit == self.__visit:
-      return d.trace
-    if d.tgt == prereq:
-      return [ [ d ], ]
-    d.visit = self.__visit
-    result = []
-    for pre in d.prereqs:
-      recursed = self.__trace(pre, prereq)
-      for r in recursed:
-        result.append([ d ] + r)
-    d.trace = result
-    return result
-
-def help():
-  print "Commands:"
-  print "  dep TARGET             Print the prerequisites for TARGET"
-  print "  trace TARGET PREREQ    Print the paths from TARGET to PREREQ"
-
-
-def main(argv):
-  opts = optparse.OptionParser()
-  opts.add_option("-i", "--interactive", action="store_true", dest="interactive",
-                    help="Interactive mode")
-  (options, args) = opts.parse_args()
-
-  deps = Dependencies()
-
-  filename = args[0]
-  print "Reading %s" % filename
-
-  if True:
-    f = open(filename)
-    for line in f:
-      line = line.strip()
-      if len(line) > 0:
-        if line[0] == '#':
-          pos,tgt = line.rsplit(":", 1)
-          pos = pos[1:].strip()
-          tgt = tgt.strip()
-          deps.setPos(tgt, pos)
-        else:
-          (tgt,prereq) = line.split(':', 1)
-          tgt = tgt.strip()
-          prereq = prereq.strip()
-          deps.add(tgt, prereq)
-    f.close()
-
-  print "Read %d dependencies. %d targets." % (deps.count, len(deps.lines))
-  while True:
-    line = raw_input("target> ")
-    if not line.strip():
-      continue
-    split = line.split()
-    cmd = split[0]
-    if len(split) == 2 and cmd == "dep":
-      tgt = split[1]
-      d = deps.get(tgt)
-      if d:
-        for prereq in d.prereqs:
-          print prereq.tgt
-    elif len(split) == 3 and cmd == "trace":
-      tgt = split[1]
-      prereq = split[2]
-      if False:
-        print "from %s to %s" % (tgt, prereq)
-      trace = deps.trace(tgt, prereq)
-      if trace:
-        width = 0
-        for g in trace:
-          for t in g:
-            if len(t.tgt) > width:
-              width = len(t.tgt)
-        for g in trace:
-          for t in g:
-            if t.pos:
-              print t.tgt, " " * (width-len(t.tgt)), "  #", t.pos
-            else:
-              print t.tgt
-          print
-    else:
-      help()
-
-if __name__ == "__main__":
-  try:
-    main(sys.argv)
-  except KeyboardInterrupt:
-    print
-  except EOFError:
-    print
-