Bug 1786490 - reformat the tree using black 23.3.0 r=sylvestre,webdriver-reviewers,taskgraph-reviewers,whimboo,jmaher,ahal,perftest-reviewers,geckoview-reviewers,afinder,m_kato

# ignore-this-changeset

Differential Revision: https://phabricator.services.mozilla.com/D186092

build/mach_initialize.py

@@ -14,7 +14,6 @@ if sys.version_info[0] < 3:
     class MetaPathFinder(object):
         pass
 
-
 else:
     from importlib.abc import MetaPathFinder
 

build/moz.configure/memory.configure

@@ -58,6 +58,7 @@ set_config("MOZ_REPLACE_MALLOC_STATIC", replace_malloc_static)
 # PHC (Probabilistic Heap Checker)
 # ==============================================================
 
+
 # In general, it only makes sense for PHC to run on the platforms that have a
 # crash reporter.
 @depends(

build/moz.configure/nspr.configure

@@ -83,6 +83,7 @@ def pkgconf_requires_private(system_nspr, nspr_minver):
 
 set_config("PKGCONF_REQUIRES_PRIVATE", pkgconf_requires_private)
 
+
 # pkg_check_modules takes care of NSPR_CFLAGS and NSPR_LIBS when using --with-system-nspr.
 @depends(build_environment, c_compiler, fold_libs, when=build_nspr)
 def nspr_config(build_env, c_compiler, fold_libs):

build/moz.configure/toolchain.configure

@@ -1033,6 +1033,7 @@ def sysroot(host_or_target, target_sysroot=None):
         opt = "--with-host-sysroot"
         env = "HOST_SYSROOT"
         when = depends(host)(lambda h: h.kernel == "Linux")
+
         # Only bootstrap a host sysroot when using a bootstrapped target sysroot
         # or when the target doesn't use a bootstrapped sysroot in the first place.
         @depends(when, bootstrap_target_when, target_sysroot.bootstrapped)
@@ -1731,7 +1732,6 @@ def select_linker_tmpl(host_or_target):
     @imports("os")
     @imports("shutil")
     def select_linker(linker, c_compiler, developer_options, toolchain_flags, target):
-
         if linker:
             linker = linker[0]
         else:
@@ -2500,6 +2500,7 @@ def cet_ldflags(c_compiler, target):
 
 set_config("MOZ_CETCOMPAT_LDFLAGS", cet_ldflags)
 
+
 # Frame pointers
 # ==============================================================
 @depends(c_compiler)
@@ -2785,6 +2786,7 @@ add_old_configure_assignment(
     "ENABLE_MOZSEARCH_PLUGIN", depends_if("--enable-mozsearch-plugin")(lambda _: True)
 )
 
+
 # Libstdc++ compatibility hacks
 # ==============================================================
 #
@@ -2966,6 +2968,7 @@ add_old_configure_assignment("LIBFUZZER_FLAGS", libfuzzer_flags.use_flags)
 # Shared library building
 # ==============================================================
 
+
 # XXX: The use of makefile constructs in these variables is awful.
 @depends(target, c_compiler)
 def make_shared_library(target, compiler):

build/moz.configure/update-programs.configure

@@ -4,6 +4,7 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
+
 # Updater
 # ==============================================================
 @depends(build_project)

build/unix/rewrite_sanitizer_dylib.py

@@ -60,7 +60,6 @@ def scan_directory(path):
         sys.exit(1)
 
     for file in path.rglob("*"):
-
         if not file.is_file():
             continue
 

config/check_vanilla_allocations.py

@@ -208,7 +208,7 @@ def main():
         if f in ignored_files and (f, 2) in functions:
             fail(f"There should be only one {f} file")
 
-    for (filename, n) in sorted(functions):
+    for filename, n in sorted(functions):
         for fn in functions[(filename, n)]:
             # An allocation is present in a non-special file.  Fail!
             fail("'" + fn + "' present in " + filename)

config/mozunit/mozunit/mozunit.py

@@ -219,7 +219,7 @@ class _MockOpen(_MockBaseOpen):
             content = six.ensure_binary(content or b"")
             return MockedBytesFile(self, name, content)
         else:
-            content = six.ensure_text(content or u"")
+            content = six.ensure_text(content or "")
             return MockedStringFile(self, name, content)
 
 

config/tests/unit-nsinstall.py

@@ -146,9 +146,9 @@ class TestNsinstall(unittest.TestCase):
     @unittest.skipIf(not RUN_NON_ASCII_TESTS, "Skipping non ascii tests")
     def test_nsinstall_non_ascii(self):
         "Test that nsinstall handles non-ASCII files"
-        filename = u"\u2325\u3452\u2415\u5081"
+        filename = "\u2325\u3452\u2415\u5081"
         testfile = self.touch(filename)
-        testdir = self.mkdirs(u"\u4241\u1D04\u1414")
+        testdir = self.mkdirs("\u4241\u1D04\u1414")
         self.assertEqual(
             nsinstall([testfile.encode("utf-8"), testdir.encode("utf-8")]), 0
         )
@@ -162,9 +162,9 @@ class TestNsinstall(unittest.TestCase):
     )
     def test_nsinstall_non_ascii_subprocess(self):
         "Test that nsinstall as a subprocess handles non-ASCII files"
-        filename = u"\u2325\u3452\u2415\u5081"
+        filename = "\u2325\u3452\u2415\u5081"
         testfile = self.touch(filename)
-        testdir = self.mkdirs(u"\u4241\u1D04\u1414")
+        testdir = self.mkdirs("\u4241\u1D04\u1414")
         # We don't use subprocess because it can't handle Unicode on
         # Windows <http://bugs.python.org/issue1759845>. mozprocess calls
         # CreateProcessW directly so it's perfect.

devtools/rename.py

@@ -4,6 +4,7 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
+
 # Put the content of `filenames[0]` file into `output` file pointer
 def main(output, *filenames):
     with open(filenames[0], "r", encoding="utf-8") as f:

dom/bindings/Codegen.py

@@ -381,7 +381,7 @@ def fill(template, **args):
 
     t, argModList = compile_fill_template(template)
     # Now apply argModList to args
-    for (name, modified_name, depth) in argModList:
+    for name, modified_name, depth in argModList:
         if not (args[name] == "" or args[name].endswith("\n")):
             raise ValueError(
                 "Argument %s with value %r is missing a newline" % (name, args[name])
@@ -4372,7 +4372,7 @@ def InitUnforgeablePropertiesOnHolder(
         (defineUnforgeableAttrs, properties.unforgeableAttrs),
         (defineUnforgeableMethods, properties.unforgeableMethods),
     ]
-    for (template, array) in unforgeableMembers:
+    for template, array in unforgeableMembers:
         if array.hasNonChromeOnly():
             unforgeables.append(CGGeneric(template % array.variableName(False)))
         if array.hasChromeOnly():
@@ -13021,7 +13021,6 @@ class CGUnionStruct(CGThing):
         return self.type.getDeps()
 
     def getStruct(self):
-
         members = [
             ClassMember("mType", "TypeOrUninit", body="eUninitialized"),
             ClassMember("mValue", "Value"),
@@ -17065,7 +17064,6 @@ class CGDescriptor(CGThing):
 
 class CGNamespacedEnum(CGThing):
     def __init__(self, namespace, enumName, names, values, comment=""):
-
         if not values:
             values = []
 
@@ -23425,7 +23423,6 @@ class GlobalGenRoots:
 
     @staticmethod
     def PrototypeList(config):
-
         # Prototype ID enum.
         descriptorsWithPrototype = config.getDescriptors(
             hasInterfacePrototypeObject=True
@@ -23613,7 +23610,6 @@ class GlobalGenRoots:
 
     @staticmethod
     def RegisterBindings(config):
-
         curr = CGNamespace.build(
             ["mozilla", "dom"], CGGlobalNames(config.windowGlobalNames)
         )
@@ -23641,7 +23637,6 @@ class GlobalGenRoots:
 
     @staticmethod
     def RegisterWorkerBindings(config):
-
         curr = CGRegisterWorkerBindings(config)
 
         # Wrap all of that in our namespaces.
@@ -23668,7 +23663,6 @@ class GlobalGenRoots:
 
     @staticmethod
     def RegisterWorkerDebuggerBindings(config):
-
         curr = CGRegisterWorkerDebuggerBindings(config)
 
         # Wrap all of that in our namespaces.
@@ -23695,7 +23689,6 @@ class GlobalGenRoots:
 
     @staticmethod
     def RegisterWorkletBindings(config):
-
         curr = CGRegisterWorkletBindings(config)
 
         # Wrap all of that in our namespaces.
@@ -23722,7 +23715,6 @@ class GlobalGenRoots:
 
     @staticmethod
     def RegisterShadowRealmBindings(config):
-
         curr = CGRegisterShadowRealmBindings(config)
 
         # Wrap all of that in our namespaces.

dom/bindings/Configuration.py

@@ -248,7 +248,7 @@ class Configuration(DescriptorProvider):
                 for m in t.flatMemberTypes:
                     addUnions(m)
 
-        for (t, _) in getAllTypes(self.descriptors, self.dictionaries, self.callbacks):
+        for t, _ in getAllTypes(self.descriptors, self.dictionaries, self.callbacks):
             addUnions(t)
 
         for d in getDictionariesConvertedToJS(
@@ -440,7 +440,7 @@ class Configuration(DescriptorProvider):
                                 name,
                             )
                         )
-                    for (k, v) in firstExtAttrs.items():
+                    for k, v in firstExtAttrs.items():
                         if extAttrs[k] != v:
                             raise TypeError(
                                 "%s on %s and %s on %s have different values for extended attribute %s, but they're using the same template %s."

dom/bindings/parser/WebIDL.py

@@ -947,7 +947,6 @@ class IDLInterfaceMixin(IDLInterfaceOrInterfaceMixinOrNamespace):
 
     def validate(self):
         for member in self.members:
-
             if member.isAttr():
                 if member.inherit:
                     raise WebIDLError(
@@ -3165,7 +3164,7 @@ class IDLUnionType(IDLType):
                 return "MaybeShared" + type.name
             return type.name
 
-        for (i, type) in enumerate(self.memberTypes):
+        for i, type in enumerate(self.memberTypes):
             if not type.isComplete():
                 self.memberTypes[i] = type.complete(scope)
 
@@ -3206,7 +3205,7 @@ class IDLUnionType(IDLType):
                 continue
             i += 1
 
-        for (i, t) in enumerate(self.flatMemberTypes[:-1]):
+        for i, t in enumerate(self.flatMemberTypes[:-1]):
             for u in self.flatMemberTypes[i + 1 :]:
                 if not t.isDistinguishableFrom(u):
                     raise WebIDLError(
@@ -3619,7 +3618,6 @@ class IDLPromiseType(IDLParametrizedType):
 
 
 class IDLBuiltinType(IDLType):
-
     Types = enum(
         # The integer types
         "byte",
@@ -4287,7 +4285,7 @@ class IDLValue(IDLObject):
                 )
         elif self.type.isInteger() and type.isFloat():
             # Convert an integer literal into float
-            if -(2 ** 24) <= self.value <= 2 ** 24:
+            if -(2**24) <= self.value <= 2**24:
                 return IDLValue(self.location, type, float(self.value))
             else:
                 raise WebIDLError(
@@ -4468,7 +4466,6 @@ class IDLUndefinedValue(IDLObject):
 
 
 class IDLInterfaceMember(IDLObjectWithIdentifier, IDLExposureMixins):
-
     Tags = enum(
         "Const", "Attr", "Method", "MaplikeOrSetlike", "AsyncIterable", "Iterable"
     )
@@ -5791,7 +5788,7 @@ class IDLAttribute(IDLInterfaceMember):
             "CrossOriginWritable",
             "SetterThrows",
         ]
-        for (key, value) in self._extendedAttrDict.items():
+        for key, value in self._extendedAttrDict.items():
             if key in allowedExtAttrs:
                 if value is not True:
                     raise WebIDLError(
@@ -5968,7 +5965,7 @@ class IDLCallback(IDLObjectWithScope):
 
         IDLObjectWithScope.__init__(self, location, parentScope, identifier)
 
-        for (returnType, arguments) in self.signatures():
+        for returnType, arguments in self.signatures():
             for argument in arguments:
                 argument.resolve(self)
 
@@ -6109,7 +6106,6 @@ class IDLMethodOverload:
 
 
 class IDLMethod(IDLInterfaceMember, IDLScope):
-
     Special = enum(
         "Getter", "Setter", "Deleter", "LegacyCaller", base=IDLInterfaceMember.Special
     )
@@ -6292,7 +6288,7 @@ class IDLMethod(IDLInterfaceMember, IDLScope):
         assert isinstance(parentScope, IDLScope)
         IDLObjectWithIdentifier.resolve(self, parentScope)
         IDLScope.__init__(self, self.location, parentScope, self.identifier)
-        for (returnType, arguments) in self.signatures():
+        for returnType, arguments in self.signatures():
             for argument in arguments:
                 argument.resolve(self)
 
@@ -6435,7 +6431,7 @@ class IDLMethod(IDLInterfaceMember, IDLScope):
             variadicArgument = None
 
             arguments = overload.arguments
-            for (idx, argument) in enumerate(arguments):
+            for idx, argument in enumerate(arguments):
                 assert argument.type.isComplete()
 
                 if (
@@ -6568,8 +6564,8 @@ class IDLMethod(IDLInterfaceMember, IDLScope):
 
     def distinguishingIndexForArgCount(self, argc):
         def isValidDistinguishingIndex(idx, signatures):
-            for (firstSigIndex, (firstRetval, firstArgs)) in enumerate(signatures[:-1]):
+            for firstSigIndex, (firstRetval, firstArgs) in enumerate(signatures[:-1]):
-                for (secondRetval, secondArgs) in signatures[firstSigIndex + 1 :]:
+                for secondRetval, secondArgs in signatures[firstSigIndex + 1 :]:
                     if idx < len(firstArgs):
                         firstType = firstArgs[idx].type
                     else:

dom/bindings/parser/tests/test_attributes_on_types.py

@@ -337,7 +337,7 @@ def WebIDLTest(parser, harness):
         ),
     ]
 
-    for (name, template) in TEMPLATES:
+    for name, template in TEMPLATES:
         parser = parser.reset()
         threw = False
         try:
@@ -346,7 +346,7 @@ def WebIDLTest(parser, harness):
         except Exception:
             threw = True
         harness.ok(not threw, "Template for %s parses without attributes" % name)
-        for (attribute, type) in ATTRIBUTES:
+        for attribute, type in ATTRIBUTES:
             parser = parser.reset()
             threw = False
             try:

dom/bindings/parser/tests/test_callback_interface.py

@@ -94,7 +94,7 @@ def WebIDLTest(parser, harness):
     """
     )
     results = parser.finish()
-    for (i, iface) in enumerate(results):
+    for i, iface in enumerate(results):
         harness.check(
             iface.isSingleOperationInterface(),
             i < 4,

dom/bindings/parser/tests/test_const.py

@@ -64,7 +64,7 @@ def WebIDLTest(parser, harness):
         len(iface.members), len(expected), "Expect %s members" % len(expected)
     )
 
-    for (const, (QName, name, type, value)) in zip(iface.members, expected):
+    for const, (QName, name, type, value) in zip(iface.members, expected):
         harness.ok(isinstance(const, WebIDL.IDLConst), "Should be an IDLConst")
         harness.ok(const.isConst(), "Const is a const")
         harness.ok(not const.isAttr(), "Const is not an attr")

dom/bindings/parser/tests/test_constructor.py

@@ -87,7 +87,7 @@ def WebIDLTest(parser, harness):
         )
 
         sigpairs = zip(method.signatures(), signatures)
-        for (gotSignature, expectedSignature) in sigpairs:
+        for gotSignature, expectedSignature in sigpairs:
             (gotRetType, gotArgs) = gotSignature
             (expectedRetType, expectedArgs) = expectedSignature
 

dom/bindings/parser/tests/test_float_types.py

@@ -55,7 +55,7 @@ def WebIDLTest(parser, harness):
     method = iface.members[6]
     harness.ok(isinstance(method, WebIDL.IDLMethod), "Should be an IDLMethod")
     argtypes = [a.type for a in method.signatures()[0][1]]
-    for (idx, type) in enumerate(argtypes):
+    for idx, type in enumerate(argtypes):
         harness.ok(type.isFloat(), "Type %d should be float" % idx)
         harness.check(
             type.isUnrestricted(),

dom/bindings/parser/tests/test_method.py

@@ -90,7 +90,7 @@ def WebIDLTest(parser, harness):
         )
 
         sigpairs = zip(method.signatures(), signatures)
-        for (gotSignature, expectedSignature) in sigpairs:
+        for gotSignature, expectedSignature in sigpairs:
             (gotRetType, gotArgs) = gotSignature
             (expectedRetType, expectedArgs) = expectedSignature
 

dom/bindings/parser/tests/test_observableArray.py

@@ -4,7 +4,6 @@
 
 
 def WebIDLTest(parser, harness):
-
     # Test dictionary as inner type
     harness.should_throw(
         parser,

dom/bindings/parser/tests/test_unenumerable_own_properties.py

@@ -1,5 +1,4 @@
 def WebIDLTest(parser, harness):
-
     parser.parse(
         """
         interface Foo {};

dom/bindings/parser/tests/test_union.py

@@ -89,7 +89,7 @@ def WebIDLTest(parser, harness):
         interface PrepareForTest {
         """
     )
-    for (i, type) in enumerate(types):
+    for i, type in enumerate(types):
         interface += string.Template(
             """
           readonly attribute ${type} attr${i};
@@ -155,7 +155,7 @@ def WebIDLTest(parser, harness):
         interface TestUnion {
         """
     )
-    for (i, type) in enumerate(validUnionTypes):
+    for i, type in enumerate(validUnionTypes):
         interface += string.Template(
             """
           undefined method${i}(${type} arg);

dom/cache/test/marionette/test_caches_delete_cleanup_after_shutdown.py

@@ -140,7 +140,6 @@ class CachesDeleteCleanupAtShutdownTestCase(MarionetteTestCase):
         beforeUsage = self.getUsage()
 
         def ensureCleanCallback():
-
             Wait(self.marionette, timeout=60).until(
                 lambda x: (self.getUsage() - beforeUsage)
                 < EXPECTED_CACHEDIR_SIZE_AFTER_CLEANUP,

dom/canvas/test/webgl-conf/generate-wrappers-and-manifest.py

@@ -510,7 +510,7 @@ def LoadErrata():
 
     ret = {}
 
-    for (sectionName, (sectionLineNum, sectionMap)) in iniMap.items():
+    for sectionName, (sectionLineNum, sectionMap) in iniMap.items():
         curLines = []
 
         if sectionName is None:
@@ -521,7 +521,7 @@ def LoadErrata():
                 sectionLineNum, sectionName
             )
 
-        for (key, (lineNum, val)) in sectionMap.items():
+        for key, (lineNum, val) in sectionMap.items():
             assert key in ACCEPTABLE_ERRATA_KEYS, "Line {}: {}".format(lineNum, key)
 
             curLine = "{} = {}".format(key, val)

dom/media/webrtc/transport/test/moz.build

@@ -7,7 +7,6 @@
 include("/ipc/chromium/chromium-config.mozbuild")
 
 if CONFIG["OS_TARGET"] != "WINNT":
-
     if CONFIG["OS_TARGET"] != "Android":
         SOURCES += [
             "ice_unittest.cpp",

dom/websocket/tests/file_websocket_wsh.py

@@ -81,7 +81,7 @@ def web_socket_transfer_data(request):
         msgutil.send_message(request, six.ensure_text(resp))
     elif request.ws_protocol == "test-12":
         msg = msgutil.receive_message(request)
-        if msg == u"a\ufffdb":
+        if msg == "a\ufffdb":
             # converted unpaired surrogate in UTF-16 to UTF-8 OK
             msgutil.send_message(request, "SUCCESS")
         else:

gfx/angle/update-angle.py

@@ -485,7 +485,7 @@ def export_target(target_full_name) -> Set[str]:
     append_arr(lines, "LOCAL_INCLUDES", fixup_paths(desc["include_dirs"]))
     append_arr_commented(lines, "CXXFLAGS", cxxflags)
 
-    for (config, v) in sorted_items(sources_by_config):
+    for config, v in sorted_items(sources_by_config):
         indent = 0
         if config:
             lines.append("if {}:".format(config))
@@ -506,7 +506,7 @@ def export_target(target_full_name) -> Set[str]:
     append_arr(lines, "OS_LIBS", os_libs)
     append_arr_commented(lines, "LDFLAGS", ldflags)
 
-    for (k, v) in sorted(extras.items()):
+    for k, v in sorted(extras.items()):
         lines.append("{} = {}".format(k, v))
 
     lib_type = desc["type"]

gfx/thebes/gencjkcisvs.py

@@ -35,7 +35,7 @@ f.close
 
 offsets = []
 length = 10 + 11 * len(vsdict)
-for (k, mappings) in sorted(vsdict.items()):
+for k, mappings in sorted(vsdict.items()):
     offsets.append(length)
     length += 4 + 5 * len(mappings)
 
@@ -69,10 +69,10 @@ for i, k in enumerate(sorted(vsdict.keys())):
         "    U24(0x%04X), U32(0), U32(%d), // varSelectorRecord[%d]\n"
         % (k, offsets[i], i)
     )
-for (k, mappings) in sorted(vsdict.items()):
+for k, mappings in sorted(vsdict.items()):
     f.write("  // 0x%04X\n" % k)
     f.write("  U32(%d), // numUVSMappings\n" % len(mappings))
-    for (unified, compat) in sorted(mappings.items()):
+    for unified, compat in sorted(mappings.items()):
         f.write("    U24(0x%04X), GLYPH(0x%04X),\n" % (unified, compat))
 f.write(
     """};

hal/moz.build

@@ -46,7 +46,6 @@ if CONFIG["MOZ_WIDGET_TOOLKIT"] == "android":
         "android/AndroidHal.cpp",
     ]
 elif CONFIG["OS_TARGET"] == "Linux":
-
     UNIFIED_SOURCES += [
         "fallback/FallbackScreenConfiguration.cpp",
         "fallback/FallbackSensor.cpp",

ipc/ipdl/ipdl.py

@@ -234,7 +234,7 @@ enum IPCMessages {
 )
 
 for protocol in sorted(allmessages.keys()):
-    for (msg, num) in allmessages[protocol].idnums:
+    for msg, num in allmessages[protocol].idnums:
         if num:
             print("  %s = %s," % (msg, num), file=ipc_msgtype_name)
         elif not msg.endswith("End"):
@@ -256,7 +256,7 @@ const char* StringFromIPCMessageType(uint32_t aMessageType)
 )
 
 for protocol in sorted(allmessages.keys()):
-    for (msg, num) in allmessages[protocol].idnums:
+    for msg, num in allmessages[protocol].idnums:
         if num or msg.endswith("End"):
             continue
         print(

ipc/ipdl/ipdl/lower.py

@@ -64,9 +64,9 @@ class LowerToCxx:
 
 
 def hashfunc(value):
-    h = hash_str(value) % 2 ** 32
+    h = hash_str(value) % 2**32
     if h < 0:
-        h += 2 ** 32
+        h += 2**32
     return h
 
 
@@ -2275,7 +2275,7 @@ class _ParamTraits:
         # After non-pod data, bulk read/write pod data in member order. This has
         # to be done after the result has been constructed, so that we have
         # somewhere to read into.
-        for (size, fields) in itertools.groupby(
+        for size, fields in itertools.groupby(
             sd.fields_member_order(), lambda f: pod_size(f.ipdltype)
         ):
             if size != pod_size_sentinel:
@@ -2517,7 +2517,7 @@ class _ComputeTypeDeps(TypeVisitor):
 
 def _fieldStaticAssertions(sd):
     staticasserts = []
-    for (size, fields) in itertools.groupby(
+    for size, fields in itertools.groupby(
         sd.fields_member_order(), lambda f: pod_size(f.ipdltype)
     ):
         if size == pod_size_sentinel:

ipc/ipdl/ipdl/type.py

@@ -1721,7 +1721,6 @@ class CheckTypes(TcheckVisitor):
             )
 
         if mtype.compress and (not mtype.isAsync() or mtype.isCtor() or mtype.isDtor()):
-
             if mtype.isCtor() or mtype.isDtor():
                 message_type = "constructor" if mtype.isCtor() else "destructor"
                 error_message = (

ipc/pull-chromium.py

@@ -20,11 +20,11 @@ from subprocess import check_call
 topsrcdir, chromiumtree, rev = sys.argv[1:]
 
 if not os.path.exists(os.path.join(topsrcdir, "client.py")):
-    print >>sys.stderr, "Incorrect topsrcdir"
+    print >> sys.stderr, "Incorrect topsrcdir"
     sys.exit(1)
 
 if not os.path.exists(os.path.join(chromiumtree, "src/DEPS")):
-    print >>sys.stderr, "Incorrect chromium directory, missing DEPS"
+    print >> sys.stderr, "Incorrect chromium directory, missing DEPS"
     sys.exit(1)
 
 check_call(["gclient", "sync", "--force", "--revision=src@%s" % rev], cwd=chromiumtree)

js/ffi.configure

@@ -26,6 +26,7 @@ building_ffi = depends(system_ffi)(lambda v: v is None)
 
 set_config("MOZ_SYSTEM_FFI", depends_if(system_ffi)(lambda _: True))
 
+
 # Target selection, based on ffi/configure.ac.
 @depends(target, when=building_ffi)
 def ffi_target(target):

js/moz.configure

@@ -173,6 +173,7 @@ def enable_decorators(value):
 set_config("ENABLE_DECORATORS", enable_decorators)
 set_define("ENABLE_DECORATORS", enable_decorators)
 
+
 # JIT support
 # =======================================================
 @depends(target, "--enable-record-tuple")
@@ -506,6 +507,7 @@ set_config("JS_MASM_VERBOSE", depends_if("--enable-masm-verbose")(lambda _: True
 # Architecture feature flags
 # =======================================================
 
+
 # Apple silicon does not seem to have any way to query the OS for the JSCVT
 # flag stored in the ID_AA64ISAR1_EL1 system register. In the mean time, we
 # hard code the value of the JSCVT flag which guards the implementation of
@@ -521,6 +523,7 @@ option(
     help="{Enable|Disable} static use of FJCVTZS instruction on Aarch64 targets.",
 )
 
+
 # The "ARM Architecture Reference Manual" for ARMv8 defines the JSCVT flag as
 # being a 4 bit integer (D12.2.52) and it can be manipulated using >= operator
 # (D12.1.4).
@@ -549,6 +552,7 @@ def has_pthread_jit_write_protect_np(target):
 # JIT code write protection.
 set_define("JS_USE_APPLE_FAST_WX", True, when=has_pthread_jit_write_protect_np)
 
+
 # CTypes
 # =======================================================
 @depends(js_standalone)

js/src/builtin/intl/make_intl_data.py

@@ -99,7 +99,7 @@ def writeMappingsVar(println, mapping, name, description, source, url):
     println("")
     writeMappingHeader(println, description, source, url)
     println("var {0} = {{".format(name))
-    for (key, value) in sorted(mapping.items(), key=itemgetter(0)):
+    for key, value in sorted(mapping.items(), key=itemgetter(0)):
         println('    "{0}": "{1}",'.format(key, value))
     println("};")
 
@@ -173,7 +173,7 @@ def writeMappingsBinarySearchBody(
     # for the binary search, which only performs a single |memcmp| for multiple
     # of two subtag lengths.
     mappings_keys = mappings.keys() if type(mappings) == dict else mappings
-    for (length, subtags) in groupby(sorted(mappings_keys, key=len), len):
+    for length, subtags in groupby(sorted(mappings_keys, key=len), len):
         # Omit the length check if the current length is the maximum length.
         if length != tag_maxlength:
             println(
@@ -318,7 +318,7 @@ void mozilla::intl::Locale::PerformComplexLanguageMappings() {
 
     # Merge duplicate language entries.
     language_aliases = {}
-    for (deprecated_language, (language, script, region)) in sorted(
+    for deprecated_language, (language, script, region) in sorted(
         complex_language_mappings.items(), key=itemgetter(0)
     ):
         key = (language, script, region)
@@ -328,7 +328,7 @@ void mozilla::intl::Locale::PerformComplexLanguageMappings() {
             language_aliases[key].append(deprecated_language)
 
     first_language = True
-    for (deprecated_language, (language, script, region)) in sorted(
+    for deprecated_language, (language, script, region) in sorted(
         complex_language_mappings.items(), key=itemgetter(0)
     ):
         key = (language, script, region)
@@ -422,7 +422,7 @@ void mozilla::intl::Locale::PerformComplexRegionMappings() {
 
     # Merge duplicate region entries.
     region_aliases = {}
-    for (deprecated_region, (default, non_default_replacements)) in sorted(
+    for deprecated_region, (default, non_default_replacements) in sorted(
         complex_region_mappings.items(), key=itemgetter(0)
     ):
         key = hash_key(default, non_default_replacements)
@@ -432,7 +432,7 @@ void mozilla::intl::Locale::PerformComplexRegionMappings() {
             region_aliases[key].append(deprecated_region)
 
     first_region = True
-    for (deprecated_region, (default, non_default_replacements)) in sorted(
+    for deprecated_region, (default, non_default_replacements) in sorted(
         complex_region_mappings.items(), key=itemgetter(0)
     ):
         key = hash_key(default, non_default_replacements)
@@ -587,7 +587,7 @@ bool mozilla::intl::Locale::PerformVariantMappings() {
         )
     )
 
-    for (deprecated_variant, (type, replacement)) in sorted(
+    for deprecated_variant, (type, replacement) in sorted(
         with_alias, key=itemgetter(0)
     ):
         println(
@@ -730,7 +730,7 @@ bool mozilla::intl::Locale::UpdateLegacyMappings() {
 
     # Group the mappings by language.
     legacy_mappings_by_language = {}
-    for (type, replacement) in legacy_mappings.items():
+    for type, replacement in legacy_mappings.items():
         (language, _, _, _) = type
         legacy_mappings_by_language.setdefault(language, {})[type] = replacement
 
@@ -820,7 +820,7 @@ bool mozilla::intl::Locale::UpdateLegacyMappings() {
     def hash_key(mappings):
         return str(sorted(mappings.items(), key=itemgetter(0)))
 
-    for (lang, mappings) in sorted(
+    for lang, mappings in sorted(
         legacy_mappings_by_language.items(), key=itemgetter(0)
     ):
         key = hash_key(mappings)
@@ -848,10 +848,9 @@ bool mozilla::intl::Locale::UpdateLegacyMappings() {
             return len(k.split("-"))
 
         # Alias rules are applied by largest union size first.
-        for (size, mappings_by_size) in groupby(
+        for size, mappings_by_size in groupby(
             sorted(mappings.items(), key=variant_size, reverse=True), key=variant_size
         ):
-
             # Convert grouper object to dict.
             mappings_by_size = dict(mappings_by_size)
 
@@ -859,7 +858,7 @@ bool mozilla::intl::Locale::UpdateLegacyMappings() {
             chain_if = size == 1
 
             # Alias rules are applied in alphabetical order
-            for (variants, r_language) in sorted(
+            for variants, r_language in sorted(
                 mappings_by_size.items(), key=itemgetter(0)
             ):
                 sorted_variants = sorted(variants.split("-"))
@@ -868,7 +867,7 @@ bool mozilla::intl::Locale::UpdateLegacyMappings() {
                 maybe_else = "else " if chain_if and not is_first else ""
                 is_first = False
 
-                for (i, variant) in enumerate(sorted_variants):
+                for i, variant in enumerate(sorted_variants):
                     println(
                         f"""
     {"  " * i}{maybe_else}if (auto* {variant} = findVariant("{variant}")) {{
@@ -1106,11 +1105,11 @@ def readSupplementalData(core_file):
         # Compute the transitive closure.
         # Any case which currently doesn't occur in the CLDR sources isn't supported
         # and will lead to throwing an error.
-        for (type, replacement) in rules.items():
+        for type, replacement in rules.items():
             (language, script, region, variants) = type
             (r_language, r_script, r_region, r_variants) = replacement
 
-            for (i_type, i_replacement) in rules.items():
+            for i_type, i_replacement in rules.items():
                 (i_language, i_script, i_region, i_variants) = i_type
                 (i_r_language, i_r_script, i_r_region, i_r_variants) = i_replacement
 
@@ -1257,7 +1256,7 @@ def readSupplementalData(core_file):
     variant_mappings = {}
 
     # Preprocess all rules so we can perform a single lookup per subtag at runtime.
-    for (type, replacement) in rules.items():
+    for type, replacement in rules.items():
         (language, script, region, variants) = type
         (r_language, r_script, r_region, r_variants) = replacement
 
@@ -1399,7 +1398,7 @@ def readSupplementalData(core_file):
 
     complex_region_mappings_final = {}
 
-    for (deprecated_region, replacements) in complex_region_mappings.items():
+    for deprecated_region, replacements in complex_region_mappings.items():
         # Find all likely subtag entries which don't already contain a region
         # subtag and whose target region is in the list of replacement regions.
         region_likely_subtags = [
@@ -2507,7 +2506,7 @@ def readICULegacyZones(icuDir):
 
     # A handful of non-IANA zones/links are not in icuzones and must be added
     # manually so that we won't invoke ICU with them.
-    for (zone, target) in otherICULegacyLinks().items():
+    for zone, target in otherICULegacyLinks().items():
         if zone in links:
             if links[zone] != target:
                 raise KeyError(
@@ -2712,7 +2711,7 @@ def processTimeZones(
         println("// Format:")
         println('// "ZoneName" // ICU-Name [time zone file]')
         println("const char* const ianaZonesTreatedAsLinksByICU[] = {")
-        for (zone, icuZone) in incorrectZones:
+        for zone, icuZone in incorrectZones:
             println('    "%s", // %s [%s]' % (zone, icuZone, zone.filename))
         println("};")
         println("")
@@ -2726,7 +2725,7 @@ def processTimeZones(
         println("};")
         println("")
         println("const LinkAndTarget ianaLinksCanonicalizedDifferentlyByICU[] = {")
-        for (zone, target, icuTarget) in incorrectLinks:
+        for zone, target, icuTarget in incorrectLinks:
             println(
                 '    { "%s", "%s" }, // %s [%s]'
                 % (zone, target, icuTarget, zone.filename)
@@ -2796,7 +2795,7 @@ const tzMapper = [
 
         println(description)
         println("const links = {")
-        for (zone, target) in sorted(links, key=itemgetter(0)):
+        for zone, target in sorted(links, key=itemgetter(0)):
             println('    "%s": "%s",' % (zone, target))
         println("};")
 
@@ -3150,10 +3149,10 @@ def writeCurrencyFile(published, currencies, out):
  */"""
         )
         println("var currencyDigits = {")
-        for (currency, entries) in groupby(
+        for currency, entries in groupby(
             sorted(currencies, key=itemgetter(0)), itemgetter(0)
         ):
-            for (_, minorUnits, currencyName, countryName) in entries:
+            for _, minorUnits, currencyName, countryName in entries:
                 println("  // {} ({})".format(currencyName, countryName))
             println("  {}: {},".format(currency, minorUnits))
         println("};")
@@ -3319,7 +3318,7 @@ const char* mozilla::intl::Locale::Replace{0}ExtensionType(
 
     # Merge duplicate keys.
     key_aliases = {}
-    for (key, replacements) in sorted(mapping.items(), key=itemgetter(0)):
+    for key, replacements in sorted(mapping.items(), key=itemgetter(0)):
         hash_key = to_hash_key(replacements)
         if hash_key not in key_aliases:
             key_aliases[hash_key] = []
@@ -3327,7 +3326,7 @@ const char* mozilla::intl::Locale::Replace{0}ExtensionType(
             key_aliases[hash_key].append(key)
 
     first_key = True
-    for (key, replacements) in sorted(mapping.items(), key=itemgetter(0)):
+    for key, replacements in sorted(mapping.items(), key=itemgetter(0)):
         hash_key = to_hash_key(replacements)
         if key in key_aliases[hash_key]:
             continue
@@ -3368,7 +3367,7 @@ const char* mozilla::intl::Locale::Replace{0}ExtensionType(
                 )
             )
         else:
-            for (type, replacement) in replacements:
+            for type, replacement in replacements:
                 println(
                     """
     if (Is{}Type(type, "{}")) {{

js/src/devtools/gc/gc-test.py

@@ -166,7 +166,7 @@ if __name__ == "__main__":
     test_list = find_tests(test_dir)
 
     if not test_list:
-        print >>sys.stderr, "No tests found matching command line arguments."
+        print >> sys.stderr, "No tests found matching command line arguments."
         sys.exit(0)
 
     test_list = [Test.from_file(tst, name, OPTIONS) for tst, name in test_list]
@@ -178,7 +178,7 @@ if __name__ == "__main__":
 
     except OSError:
         if not os.path.exists(JS):
-            print >>sys.stderr, "JS shell argument: file does not exist: '%s'" % JS
+            print >> sys.stderr, "JS shell argument: file does not exist: '%s'" % JS
             sys.exit(1)
         else:
             raise

js/src/devtools/rootAnalysis/analyze.py

@@ -212,7 +212,7 @@ JOBS = {
 #  - item is command[j]
 def out_indexes(command):
     i = 0
-    for (j, fragment) in enumerate(command):
+    for j, fragment in enumerate(command):
         if isinstance(fragment, Output):
             yield (i, j, fragment)
             i += 1
@@ -221,7 +221,7 @@ def out_indexes(command):
 def job_command_with_final_output_names(job):
     outfiles = job.get("outputs", [])
     command = list(job["command"])
-    for (i, j, name) in out_indexes(job["command"]):
+    for i, j, name in out_indexes(job["command"]):
         command[j] = outfiles[i]
     return command
 
@@ -256,7 +256,7 @@ def run_job(name, config):
             info["redirect"].close()
 
         # Rename the temporary files to their final names.
-        for (temp, final) in info["rename_map"].items():
+        for temp, final in info["rename_map"].items():
             try:
                 if config["verbose"] > 1:
                     print("Renaming %s -> %s" % (temp, final))
@@ -285,7 +285,7 @@ def spawn_command(cmdspec, job, name, config):
         # from those temp names to their actual final names that will be used
         # if the command succeeds.
         command = list(cmdspec)
-        for (i, j, raw_name) in out_indexes(cmdspec):
+        for i, j, raw_name in out_indexes(cmdspec):
             [name] = fill([raw_name], config)
             command[j] = "{}.tmp{}".format(name, config.get("i", ""))
             rename_map[command[j]] = outfiles[i]
@@ -305,7 +305,7 @@ def spawn_command(cmdspec, job, name, config):
 
 
 # Default to conservatively assuming 4GB/job.
-def max_parallel_jobs(job_size=4 * 2 ** 30):
+def max_parallel_jobs(job_size=4 * 2**30):
     """Return the max number of parallel jobs we can run without overfilling
     memory, assuming heavyweight jobs."""
     from_cores = int(subprocess.check_output(["nproc", "--ignore=1"]).strip())
@@ -434,7 +434,7 @@ for step in steps:
     elif "outputs" in job and "command" in job:
         outfiles = job["outputs"]
         num_outputs = 0
-        for (i, j, name) in out_indexes(job["command"]):
+        for i, j, name in out_indexes(job["command"]):
             # Trim the {curly brackets} off of the output keys.
             data[name[1:-1]] = outfiles[i]
             num_outputs += 1

js/src/devtools/rootAnalysis/t/sixgill.py

@@ -35,7 +35,7 @@ class Body(dict):
             src, dst = edge["Index"]
             self["SrcPoint2Edges"][src].append(edge)
         self["Line2Edges"] = defaultdict(list)
-        for (src, edges) in self["SrcPoint2Edges"].items():
+        for src, edges in self["SrcPoint2Edges"].items():
             line = self["Points"][src]
             self["Line2Edges"][line].extend(edges)
 

js/src/gdb/mozilla/CellHeader.py

@@ -21,5 +21,5 @@ def get_header_length_and_flags(value, cache):
         # If we couldn't fetch the length directly, it must be stored
         # within `flags`.
         length = flags >> 32
-        flags = flags % 2 ** 32
+        flags = flags % 2**32
     return length, flags

js/src/gdb/mozilla/jsval.py

@@ -120,7 +120,7 @@ class JSValueTypeCache(object):
         # the i'th magic value.
         d = gdb.types.make_enum_dict(gdb.lookup_type("JSWhyMagic"))
         self.magic_names = list(range(max(d.values()) + 1))
-        for (k, v) in d.items():
+        for k, v in d.items():
             self.magic_names[v] = k
 
         # Choose an unboxing scheme for this architecture.

js/src/gdb/mozilla/prettyprinters.py

@@ -137,7 +137,7 @@ def clear_module_printers(module_name):
         # should remove. (It's not safe to delete entries from a dictionary
         # while we're iterating over it.)
         to_delete = []
-        for (k, v) in d.items():
+        for k, v in d.items():
             if v.__module__ == module_name:
                 to_delete.append(k)
                 remove_from_subprinter_list(v)
@@ -250,7 +250,6 @@ class TypeCache(object):
 
 
 def implemented_types(t):
-
     # Yield all types that follow |t|.
     def followers(t):
         if t.code == gdb.TYPE_CODE_TYPEDEF:
@@ -346,7 +345,7 @@ def lookup_for_objfile(objfile):
         # to scan the whole list, so regexp printers should be used
         # sparingly.
         s = str(value.type)
-        for (r, f) in printers_by_regexp:
+        for r, f in printers_by_regexp:
             if f.enabled:
                 m = r.match(s)
                 if m:

js/src/gdb/run-tests.py

@@ -114,7 +114,6 @@ class Summary(object):
             self.bar.finish()
 
         if self.failures:
-
             print("tests failed:")
             for test in self.failures:
                 test.show(sys.stdout)

js/src/tests/lib/jittests.py

@@ -92,7 +92,6 @@ def extend_condition(condition, value):
 
 
 class JitTest:
-
     VALGRIND_CMD = []
     paths = (d for d in os.environ["PATH"].split(os.pathsep))
     valgrinds = (os.path.join(d, "valgrind") for d in paths)
@@ -488,7 +487,7 @@ def check_output(out, err, rc, timed_out, test, options):
         # Python 3 on Windows interprets process exit codes as unsigned
         # integers, where Python 2 used to allow signed integers. Account for
         # each possibility here.
-        if sys.platform == "win32" and rc in (3 - 2 ** 31, 3 + 2 ** 31):
+        if sys.platform == "win32" and rc in (3 - 2**31, 3 + 2**31):
             return True
 
         if sys.platform != "win32" and rc == -11:

js/src/tests/lib/remote.py

@@ -73,7 +73,7 @@ def init_device(options):
 
             context = MozbuildObject.from_environment()
             adb_path = get_adb_path(context)
-        except (ImportError):
+        except ImportError:
             adb_path = "adb"
 
         DEVICE = ADBDeviceFactory(

js/src/tests/lib/results.py

@@ -80,7 +80,7 @@ class TestResult:
                 harness_message = "Exit code reported crash"
             tests = []
         else:
-            for (idx, line) in enumerate(stdout):
+            for idx, line in enumerate(stdout):
                 if line.startswith("WPT OUTPUT: "):
                     msg = line[len("WPT OUTPUT: ") :]
                     data = [output.test.wpt.url] + json.loads(msg)

js/src/tests/lib/tasks_unix.py

@@ -118,7 +118,7 @@ def read_input(tasks, timeout):
     try:
         readable, _, _ = select.select(rlist, [], exlist, timeout)
     except OverflowError:
-        print >>sys.stderr, "timeout value", timeout
+        print >> sys.stderr, "timeout value", timeout
         raise
 
     for fd in readable:

js/src/tests/test262-export.py

@@ -299,7 +299,7 @@ def insertMeta(source, frontmatter):
 
     lines.append("/*---")
 
-    for (key, value) in frontmatter.items():
+    for key, value in frontmatter.items():
         if key in ("description", "info"):
             lines.append("%s: |" % key)
             lines.append(
@@ -336,7 +336,6 @@ def findAndCopyIncludes(dirPath, baseDir, includeDir):
     # we reach the base directory of shell.js include files.
     # Each directory will have a shell.js file to copy.
     while relPath:
-
         # find the shell.js
         shellFile = os.path.join(baseDir, relPath, "shell.js")
 
@@ -367,7 +366,6 @@ def findAndCopyIncludes(dirPath, baseDir, includeDir):
 
 
 def exportTest262(args):
-
     outDir = os.path.abspath(args.out)
     providedSrcs = args.src
     includeShell = args.exportshellincludes
@@ -384,15 +382,13 @@ def exportTest262(args):
 
     # Go through each source path
     for providedSrc in providedSrcs:
-
         src = os.path.abspath(providedSrc)
         # the basename of the path will be used in case multiple "src" arguments
         # are passed in to create an output directory for each "src".
         basename = os.path.basename(src)
 
         # Process all test directories recursively.
-        for (dirPath, _, fileNames) in os.walk(src):
+        for dirPath, _, fileNames in os.walk(src):
-
             # we need to make and get the unique set of includes for this filepath
             includes = []
             if includeShell:

js/src/tests/test262-update.py

@@ -511,7 +511,7 @@ def process_test262(test262Dir, test262OutDir, strictTests, externManifests):
     explicitIncludes[os.path.join("built-ins", "Temporal")] = ["temporalHelpers.js"]
 
     # Process all test directories recursively.
-    for (dirPath, dirNames, fileNames) in os.walk(testDir):
+    for dirPath, dirNames, fileNames in os.walk(testDir):
         relPath = os.path.relpath(dirPath, testDir)
         if relPath == ".":
             continue
@@ -554,7 +554,7 @@ def process_test262(test262Dir, test262OutDir, strictTests, externManifests):
                     test262parser, testSource, testName, includeSet, strictTests
                 )
 
-            for (newFileName, newSource, externRefTest) in convert:
+            for newFileName, newSource, externRefTest in convert:
                 writeTestFile(test262OutDir, newFileName, newSource)
 
                 if externRefTest is not None:

js/src/util/make_unicode.py

@@ -202,7 +202,7 @@ def int_ranges(ints):
     """Yields consecutive ranges (inclusive) from integer values."""
     (a, b) = tee(sorted(ints))
     start = next(b)
-    for (curr, succ) in zip_longest(a, b):
+    for curr, succ in zip_longest(a, b):
         if curr + 1 != succ:
             yield (start, curr)
             start = succ
@@ -280,7 +280,7 @@ def process_derived_core_properties(derived_core_properties):
     id_start = set()
     id_continue = set()
 
-    for (char, prop) in read_derived_core_properties(derived_core_properties):
+    for char, prop in read_derived_core_properties(derived_core_properties):
         if prop == "ID_Start":
             id_start.add(char)
         if prop == "ID_Continue":
@@ -399,7 +399,7 @@ def process_case_folding(case_folding):
     folding_tests = []
     folding_codes = set()
 
-    for (code, mapping) in read_case_folding(case_folding):
+    for code, mapping in read_case_folding(case_folding):
         folding_map[code] = mapping
 
         if mapping not in rev_folding_map:
@@ -466,9 +466,7 @@ def process_special_casing(special_casing, table, index):
         (upper, lower, flags) = table[index[code]]
         return ((code + lower) & 0xFFFF, (code + upper) & 0xFFFF)
 
-    for (code, lower, upper, languages, contexts) in read_special_casing(
+    for code, lower, upper, languages, contexts in read_special_casing(special_casing):
-        special_casing
-    ):
         assert code <= MAX_BMP, "Unexpected character outside of BMP: %s" % code
         assert len(languages) <= 1, "Expected zero or one language ids: %s" % languages
         assert len(contexts) <= 1, (
@@ -686,7 +684,7 @@ def write_special_casing_methods(unconditional_toupper, codepoint_table, println
 
     def describe_range(ranges, depth):
         indent = depth * "    "
-        for (start, end) in ranges:
+        for start, end in ranges:
             if start == end:
                 println(indent, "// {}".format(codepoint_table.full_name(start)))
             else:
@@ -715,7 +713,7 @@ def write_special_casing_methods(unconditional_toupper, codepoint_table, println
     def in_any_range(ranges, spaces):
         """Tests if the input character is included in any of the given ranges."""
         lines = [[]]
-        for (start, end) in ranges:
+        for start, end in ranges:
             expr = in_range(start, end, parenthesize=True)
             line = " || ".join(lines[-1] + [expr])
             if len(line) < (100 - len(spaces) - len(" ||")):
@@ -836,9 +834,7 @@ def write_special_casing_methods(unconditional_toupper, codepoint_table, println
         println("{")
 
         println("    switch(ch) {")
-        for (code, converted) in sorted(
+        for code, converted in sorted(unconditional_toupper.items(), key=itemgetter(0)):
-            unconditional_toupper.items(), key=itemgetter(0)
-        ):
             println(
                 "      case {}: return {}; // {}".format(
                     hexlit(code), len(converted), codepoint_table.name(code)
@@ -860,9 +856,7 @@ def write_special_casing_methods(unconditional_toupper, codepoint_table, println
         println("{")
 
         println("    switch(ch) {")
-        for (code, converted) in sorted(
+        for code, converted in sorted(unconditional_toupper.items(), key=itemgetter(0)):
-            unconditional_toupper.items(), key=itemgetter(0)
-        ):
             println(
                 "      case {}: // {}".format(hexlit(code), codepoint_table.name(code))
             )
@@ -1306,7 +1300,7 @@ def make_unicode_file(
         println("bool")
         println("js::unicode::{}(char32_t codePoint)".format(name))
         println("{")
-        for (from_code, to_code) in int_ranges(group_set.keys()):
+        for from_code, to_code in int_ranges(group_set.keys()):
             println(
                 "    if (codePoint >= 0x{:X} && codePoint <= 0x{:X}) {{ // {} .. {}".format(
                     from_code,
@@ -1381,7 +1375,7 @@ def make_unicode_file(
 def getsize(data):
     """return smallest possible integer size for the given array"""
     maxdata = max(data)
-    assert maxdata < 2 ** 32
+    assert maxdata < 2**32
 
     if maxdata < 256:
         return 1
@@ -1421,7 +1415,7 @@ def splitbins(t):
     for shift in range(maxshift + 1):
         t1 = []
         t2 = []
-        size = 2 ** shift
+        size = 2**shift
         bincache = {}
 
         for i in range(0, len(t), size):
@@ -1445,7 +1439,7 @@ def splitbins(t):
     dump(t1, t2, shift, bytes)
 
     # exhaustively verify that the decomposition is correct
-    mask = 2 ** shift - 1
+    mask = 2**shift - 1
     for i in range(len(t)):
         assert t[i] == t2[(t1[i >> shift] << shift) + (i & mask)]
     return best

js/src/vm/jsopcode.py

@@ -139,7 +139,7 @@ class OpcodeInfo:
 
 
 def find_by_name(list, name):
-    for (n, body) in list:
+    for n, body in list:
         if n == name:
             return body
 

js/src/vm/make_opcode_doc.py

@@ -165,13 +165,13 @@ def print_doc(index):
         )
     )
 
-    for (category_name, types) in index:
+    for category_name, types in index:
         print(
             '<h3 id="{id}">{name}</h3>'.format(
                 name=category_name, id=make_element_id(category_name)
             )
         )
-        for (type_name, opcodes) in types:
+        for type_name, opcodes in types:
             if type_name:
                 print(
                     '<h4 id="{id}">{name}</h4>'.format(

layout/reftests/border-image/gen-refs.py

@@ -197,6 +197,7 @@ class Tile:
 # 3 4 5
 # 6 7 8
 
+
 # Compute the source tiles' slice and border-width sizes
 def make_src_tiles():
     tiles = [Tile() for i in range(9)]

layout/reftests/fonts/gsubtest/makegsubfonts.py

@@ -124,7 +124,6 @@ def makeLookup1():
     # build the outline, hmtx and cmap data
     cp = baseCodepoint
     for index, tag in enumerate(features):
-
         # tag.pass
         glyphName = "%s.pass" % tag
         glyphOrder.append(glyphName)
@@ -303,7 +302,6 @@ def makeLookup3():
     # build the outline, hmtx and cmap data
     cp = baseCodepoint
     for index, tag in enumerate(features):
-
         # tag.pass
         glyphName = "%s.pass" % tag
         glyphOrder.append(glyphName)

layout/reftests/fonts/mark-generate.py

@@ -20,7 +20,7 @@ import fontforge
 # generate a set of fonts, each with our special glyph at one codepoint,
 # and nothing else
 for codepoint in range(ord("A"), ord("D") + 1):
-    for (mark, width) in [("", 1500), ("2", 1800)]:
+    for mark, width in [("", 1500), ("2", 1800)]:
         charname = chr(codepoint)
         f = fontforge.font()
         n = "Mark" + mark + charname
@@ -41,8 +41,8 @@ for codepoint in range(ord("A"), ord("D") + 1):
 
 
 for codepoint in range(ord("A"), ord("A") + 1):
-    for (mark, width) in [("", 1500), ("2", 1800)]:
+    for mark, width in [("", 1500), ("2", 1800)]:
-        for (uposname, upos) in [("low", -350), ("high", -50)]:
+        for uposname, upos in [("low", -350), ("high", -50)]:
             charname = chr(codepoint)
             f = fontforge.font()
             n = "Mark" + mark + charname

layout/style/GenerateCSSPropsGenerated.py

@@ -62,7 +62,7 @@ def generate(output, dataFile):
         "const int32_t nsCSSProps::"
         "kIDLNameSortPositionTable[eCSSProperty_COUNT] = {\n"
     )
-    for (p, position) in ps:
+    for p, position in ps:
         output.write("  {},\n".format(position))
     output.write("};\n\n")
 

layout/tools/reftest/mach_commands.py

@@ -134,7 +134,7 @@ class ReftestRunner(MozbuildObject):
 
         hyphenation_path = os.path.join(self.topsrcdir, "intl", "locales")
 
-        for (dirpath, dirnames, filenames) in os.walk(hyphenation_path):
+        for dirpath, dirnames, filenames in os.walk(hyphenation_path):
             for filename in filenames:
                 if filename.endswith(".dic"):
                     args.extraProfileFiles.append(os.path.join(dirpath, filename))

layout/tools/reftest/runreftest.py

@@ -106,7 +106,6 @@ if sys.version_info[0] == 3:
             raise value_.with_traceback(tb_)
         raise value_
 
-
 else:
     exec("def reraise_(tp_, value_, tb_=None):\n    raise tp_, value_, tb_\n")
 
@@ -652,13 +651,13 @@ class RefTest(object):
         ]
 
         stepResults = {}
-        for (descr, step) in steps:
+        for descr, step in steps:
             stepResults[descr] = "not run / incomplete"
 
         startTime = datetime.now()
         maxTime = timedelta(seconds=options.verify_max_time)
         finalResult = "PASSED"
-        for (descr, step) in steps:
+        for descr, step in steps:
             if (datetime.now() - startTime) > maxTime:
                 self.log.info("::: Test verification is taking too long: Giving up!")
                 self.log.info(
@@ -730,7 +729,7 @@ class RefTest(object):
         # First job is only needs-focus tests.  Remaining jobs are
         # non-needs-focus and chunked.
         perProcessArgs[0].insert(-1, "--focus-filter-mode=needs-focus")
-        for (chunkNumber, jobArgs) in enumerate(perProcessArgs[1:], start=1):
+        for chunkNumber, jobArgs in enumerate(perProcessArgs[1:], start=1):
             jobArgs[-1:-1] = [
                 "--focus-filter-mode=non-needs-focus",
                 "--total-chunks=%d" % jobsWithoutFocus,
@@ -770,16 +769,16 @@ class RefTest(object):
         # Output the summaries that the ReftestThread filters suppressed.
         summaryObjects = [defaultdict(int) for s in summaryLines]
         for t in threads:
-            for (summaryObj, (text, categories)) in zip(summaryObjects, summaryLines):
+            for summaryObj, (text, categories) in zip(summaryObjects, summaryLines):
                 threadMatches = t.summaryMatches[text]
-                for (attribute, description) in categories:
+                for attribute, description in categories:
                     amount = int(threadMatches.group(attribute) if threadMatches else 0)
                     summaryObj[attribute] += amount
                 amount = int(threadMatches.group("total") if threadMatches else 0)
                 summaryObj["total"] += amount
 
         print("REFTEST INFO | Result summary:")
-        for (summaryObj, (text, categories)) in zip(summaryObjects, summaryLines):
+        for summaryObj, (text, categories) in zip(summaryObjects, summaryLines):
             details = ", ".join(
                 [
                     "%d %s" % (summaryObj[attribute], description)
@@ -863,7 +862,6 @@ class RefTest(object):
         valgrindSuppFiles=None,
         **profileArgs
     ):
-
         if cmdargs is None:
             cmdargs = []
         cmdargs = cmdargs[:]

media/highway/moz.build

@@ -9,7 +9,6 @@ LOCAL_INCLUDES += [
 ]
 
 if CONFIG["CPU_ARCH"] == "ppc64" and CONFIG["OS_TARGET"] == "Linux":
-
     DEFINES["TOOLCHAIN_MISS_ASM_HWCAP_H"] = True
 
 SOURCES += [

memory/replace/dmd/dmd.py

@@ -859,6 +859,7 @@ def prettyPrintDmdJson(out, j):
 # Code for clamping addresses using conservative pointer analysis.
 ##################################################################
 
+
 # Start is the address of the first byte of the block, while end is
 # the address of the first byte after the final byte in the block.
 class AddrRange:

mobile/android/gradle.configure

@@ -555,6 +555,7 @@ set_config(
 @imports(_from="itertools", _import="chain")
 def gradle_android_dependencies_tasks(*tasks):
     """Gradle tasks run by |mach android dependencies|."""
+
     # The union, plus a bit more, of all of the Gradle tasks
     # invoked by the android-* automation jobs.
     def withoutGeckoBinaries(task):

mobile/android/mach_commands.py

@@ -329,7 +329,6 @@ def android_geckoview_docs(
     javadoc_path,
     upload_message,
 ):
-
     tasks = (
         command_context.substs["GRADLE_ANDROID_GECKOVIEW_DOCS_ARCHIVE_TASKS"]
         if archive or upload

modules/libpref/test/test_generate_static_pref_list.py

@@ -479,7 +479,7 @@ class TestGenerateStaticPrefList(unittest.TestCase):
     def test_bad(self):
         "Test various pieces of bad input."
 
-        for (input_string, expected) in bad_inputs:
+        for input_string, expected in bad_inputs:
             inp = StringIO(input_string)
             try:
                 pref_list = yaml.safe_load(inp)

moz.configure

@@ -956,7 +956,6 @@ def save_cache(build_environment, configure_cache):
 @imports("glob")
 @imports(_from="os.path", _import="exists")
 def config_status_deps(build_env, build_project):
-
     topsrcdir = build_env.topsrcdir
     topobjdir = build_env.topobjdir
 

mozglue/build/moz.build

@@ -58,7 +58,6 @@ if CONFIG["OS_TARGET"] == "WINNT":
     ]
 
 if CONFIG["MOZ_WIDGET_TOOLKIT"]:
-
     if CONFIG["MOZ_MEMORY"] and FORCE_SHARED_LIB:
         pass
         # TODO: SHARED_LIBRARY_LIBS go here

python/gdbpp/gdbpp/enumset.py

@@ -21,7 +21,7 @@ class enumset_printer(object):
         return (
             ("flag", gdb.Value(i).cast(self.enum_type))
             for i in range(0, max_bit)
-            if ((bitfield & (2 ** i)) != 0)
+            if ((bitfield & (2**i)) != 0)
         )
 
     def to_string(self):

python/l10n/mozxchannel/projectconfig.py

@@ -21,23 +21,23 @@ def process_config(toml_content):
     if not new_base:
         new_base = b"."  # relpath to '.' is '', sadly
     base_line = b'\nbasepath = "%s"' % new_base
-    content1 = re.sub(br"^\s*basepath\s*=\s*.+", base_line, toml_content, flags=re.M)
+    content1 = re.sub(rb"^\s*basepath\s*=\s*.+", base_line, toml_content, flags=re.M)
 
     # process [[paths]]
     start = 0
     content2 = b""
     for m in re.finditer(
-        br"\[\[\s*paths\s*\]\].+?(?=\[|\Z)", content1, re.M | re.DOTALL
+        rb"\[\[\s*paths\s*\]\].+?(?=\[|\Z)", content1, re.M | re.DOTALL
     ):
         content2 += content1[start : m.start()]
         path_content = m.group()
-        l10n_line = re.search(br"^\s*l10n\s*=.*$", path_content, flags=re.M).group()
+        l10n_line = re.search(rb"^\s*l10n\s*=.*$", path_content, flags=re.M).group()
         # remove variable expansions
-        new_reference = re.sub(br"{\s*\S+\s*}", b"", l10n_line)
+        new_reference = re.sub(rb"{\s*\S+\s*}", b"", l10n_line)
         # make the l10n a reference line
-        new_reference = re.sub(br"^(\s*)l10n(\s*=)", br"\1reference\2", new_reference)
+        new_reference = re.sub(rb"^(\s*)l10n(\s*=)", rb"\1reference\2", new_reference)
         content2 += re.sub(
-            br"^\s*reference\s*=.*$", new_reference, path_content, flags=re.M
+            rb"^\s*reference\s*=.*$", new_reference, path_content, flags=re.M
         )
         start = m.end()
     content2 += content1[start:]
@@ -45,11 +45,11 @@ def process_config(toml_content):
     start = 0
     content3 = b""
     for m in re.finditer(
-        br"\[\[\s*includes\s*\]\].+?(?=\[|\Z)", content2, re.M | re.DOTALL
+        rb"\[\[\s*includes\s*\]\].+?(?=\[|\Z)", content2, re.M | re.DOTALL
     ):
         content3 += content2[start : m.start()]
         include_content = m.group()
-        m_ = re.search(br'^\s*path = "(.+?)"', include_content, flags=re.M)
+        m_ = re.search(rb'^\s*path = "(.+?)"', include_content, flags=re.M)
         content3 += (
             include_content[: m_.start(1)]
             + generate_filename(m_.group(1))

python/mach/mach/commands/commandinfo.py

@@ -452,7 +452,6 @@ def completion_fish(command_context, outfile):
             cmds_opts.append(comp)
 
         for sub in cmd.subcommands:
-
             for opt_strs, description in sub.options.items():
                 comp = (
                     "complete -c mach -A -n '__fish_mach_complete_subcommand {} {}' "

python/mach/mach/sentry.py

@@ -137,7 +137,7 @@ def _patch_absolute_paths(sentry_event, topsrcdir: Path):
         else:
             return value
 
-    for (target_path, replacement) in (
+    for target_path, replacement in (
         (get_state_dir(), "<statedir>"),
         (str(topsrcdir), "<topsrcdir>"),
         (str(Path.home()), "~"),

python/mozbuild/mozbuild/action/process_install_manifest.py

@@ -23,7 +23,6 @@ COMPLETE = (
 
 
 def process_manifest(destdir, paths, track, no_symlinks=False, defines={}):
-
     if os.path.exists(track):
         # We use the same format as install manifests for the tracking
         # data.

python/mozbuild/mozbuild/action/tooltool.py

@@ -648,7 +648,6 @@ class FileRecordJSONDecoder(json.JSONDecoder):
 
 
 class Manifest(object):
-
     valid_formats = ("json",)
 
     def __init__(self, file_records=None):

python/mozbuild/mozbuild/action/xpccheck.py

@@ -62,7 +62,6 @@ def verifyIniFile(initests, directory):
 
         found = False
         for f in files:
-
             fname = f.split("/")[-1]
             if fname.endswith(".in"):
                 fname = ".in".join(fname.split(".in")[:-1])

python/mozbuild/mozbuild/android_version_code.py

@@ -104,13 +104,13 @@ def android_version_code_v1(buildid, cpu_arch=None, min_sdk=0, max_sdk=0):
             "android:versionCode from build ID %s: hours underflow "
             "bits allotted!" % buildid
         )
-    if base > 2 ** 17:
+    if base > 2**17:
         raise ValueError(
             "Something has gone horribly wrong: cannot calculate "
             "android:versionCode from build ID %s: hours overflow "
             "bits allotted!" % buildid
         )
-    if base > 2 ** 17 - 366 * 24:
+    if base > 2**17 - 366 * 24:
         raise ValueError(
             "Running out of low order bits calculating "
             "android:versionCode from build ID %s: "

python/mozbuild/mozbuild/artifact_commands.py

@@ -513,7 +513,6 @@ def artifact_toolchain(
                 requests.exceptions.ChunkedEncodingError,
                 requests.exceptions.ConnectionError,
             ) as e:
-
                 if isinstance(e, requests.exceptions.HTTPError):
                     # The relengapi proxy likes to return error 400 bad request
                     # which seems improbably to be due to our (simple) GET

python/mozbuild/mozbuild/backend/common.py

@@ -363,7 +363,6 @@ class CommonBackend(BuildBackend):
         )
 
     def _handle_webidl_collection(self, webidls):
-
         bindings_dir = mozpath.join(self.environment.topobjdir, "dom", "bindings")
 
         all_inputs = set(webidls.all_static_sources())

python/mozbuild/mozbuild/backend/configenvironment.py

@@ -121,7 +121,6 @@ class ConfigEnvironment(object):
         source=None,
         mozconfig=None,
     ):
-
         if not source:
             source = mozpath.join(topobjdir, "config.status")
         self.source = source

python/mozbuild/mozbuild/backend/cpp_eclipse.py

@@ -343,8 +343,8 @@ class CppEclipseBackend(CommonBackend):
             for i in args["includes"]:
                 dirsettings += add_abs_include_path(i)
             for d in args["defines"]:
-                assert d[:2] == u"-D" or d[:2] == u"-U"
+                assert d[:2] == "-D" or d[:2] == "-U"
-                if d[:2] == u"-U":
+                if d[:2] == "-U":
                     # gfx/harfbuzz/src uses -UDEBUG, at least on Mac
                     # netwerk/sctp/src uses -U__APPLE__ on Mac
                     # XXX We should make this code smart enough to remove existing defines.

python/mozbuild/mozbuild/backend/fastermake.py

@@ -225,7 +225,7 @@ class FasterMakeBackend(MakeBackend, PartialBackend):
             mk.create_rule([target]).add_dependencies(
                 "%s" % d[0] for d in sorted(deps, key=itemgetter(0))
             )
-            for (merge, ref_file, l10n_file) in deps:
+            for merge, ref_file, l10n_file in deps:
                 rule = mk.create_rule([merge]).add_dependencies(
                     [ref_file, l10n_file] + python_deps
                 )

python/mozbuild/mozbuild/backend/recursivemake.py

@@ -873,7 +873,6 @@ class RecursiveMakeBackend(MakeBackend):
         unified_files_makefile_variable="unified_files",
         include_curdir_build_rules=True,
     ):
-
         # In case it's a generator.
         unified_source_mapping = sorted(unified_source_mapping)
 

python/mozbuild/mozbuild/backend/visualstudio.py

@@ -441,7 +441,6 @@ class VisualStudioBackend(CommonBackend):
     def _create_natvis_type(
         self, doc, visualizer, name, displayString, stringView=None
     ):
-
         t = visualizer.appendChild(doc.createElement("Type"))
         t.setAttribute("Name", name)
 
@@ -593,7 +592,6 @@ class VisualStudioBackend(CommonBackend):
         headers=[],
         sources=[],
     ):
-
         impl = getDOMImplementation()
         doc = impl.createDocument(MSBUILD_NAMESPACE, "Project", None)
 

python/mozbuild/mozbuild/base.py

@@ -751,7 +751,7 @@ class MozbuildObject(ProcessExecutionMixin):
             if not psutil or not job_size:
                 num_jobs = cpus
             else:
-                mem_gb = psutil.virtual_memory().total / 1024 ** 3
+                mem_gb = psutil.virtual_memory().total / 1024**3
                 from_mem = round(mem_gb / job_size)
                 num_jobs = max(1, min(cpus, from_mem))
                 print(

python/mozbuild/mozbuild/code_analysis/mach_commands.py

@@ -99,7 +99,6 @@ class StaticAnalysisMonitor(object):
         self._warnings_database = WarningsDatabase()
 
         def on_warning(warning):
-
             # Output paths relative to repository root if the paths are under repo tree
             warning["filename"] = build_repo_relative_path(
                 warning["filename"], self._srcdir
@@ -542,7 +541,6 @@ def _get_clang_tidy_command(
     jobs,
     fix,
 ):
-
     if checks == "-*":
         checks = ",".join(get_clang_tidy_config(command_context).checks)
 
@@ -786,7 +784,6 @@ def autotest(
                 error_code = ret_val
 
         if error_code != TOOLS_SUCCESS:
-
             command_context.log(
                 logging.INFO,
                 "static-analysis",
@@ -1560,7 +1557,6 @@ def get_clang_tools(
     download_if_needed=True,
     verbose=False,
 ):
-
     rc, clang_paths = _set_clang_tools_paths(command_context)
 
     if rc != 0:
@@ -1803,7 +1799,6 @@ def _copy_clang_format_for_show_diff(
 def _run_clang_format_path(
     command_context, clang_format, paths, output_file, output_format
 ):
-
     # Run clang-format on files or directories directly
     from subprocess import CalledProcessError, check_output
 

python/mozbuild/mozbuild/codecoverage/lcov_rewriter.py

@@ -42,7 +42,6 @@ class LcovRecord(object):
         self.lines = {}
 
     def __iadd__(self, other):
-
         # These shouldn't differ.
         self.source_file = other.source_file
         if hasattr(other, "test_name"):

python/mozbuild/mozbuild/configure/__init__.py

@@ -944,7 +944,6 @@ class ConfigureSandbox(dict):
             @imports(_from='mozpack', _import='path', _as='mozpath')
         """
         for value, required in ((_import, True), (_from, False), (_as, False)):
-
             if not isinstance(value, six.string_types) and (
                 required or value is not None
             ):

python/mozbuild/mozbuild/controller/building.py

@@ -919,8 +919,8 @@ class CCacheStats(object):
     ABSOLUTE_KEYS = {"cache_files", "cache_size", "cache_max_size"}
     FORMAT_KEYS = {"cache_size", "cache_max_size"}
 
-    GiB = 1024 ** 3
+    GiB = 1024**3
-    MiB = 1024 ** 2
+    MiB = 1024**2
     KiB = 1024
 
     def __init__(self, output=None, has_machine_format=False):

python/mozbuild/mozbuild/controller/clobber.py

@@ -80,7 +80,6 @@ class Clobberer(object):
 
         # Object directory clobber older than current is fine.
         if os.path.getmtime(self.src_clobber) <= os.path.getmtime(self.obj_clobber):
-
             return False
 
         return True
@@ -232,7 +231,7 @@ class Clobberer(object):
             self.remove_objdir(False)
             print("Successfully completed auto clobber.", file=fh)
             return True, True, None
-        except (IOError) as error:
+        except IOError as error:
             return (
                 True,
                 False,

python/mozbuild/mozbuild/doctor.py

@@ -231,7 +231,7 @@ def memory(**kwargs) -> DoctorCheck:
     """Check the host machine has the recommended memory to develop Firefox."""
     memory = psutil.virtual_memory().total
     # Convert to gigabytes.
-    memory_GB = memory / 1024 ** 3.0
+    memory_GB = memory / 1024**3.0
     if memory_GB < MEMORY_THRESHOLD:
         status = CheckStatus.WARNING
         desc = "%.1fGB of physical memory, <%.1fGB" % (memory_GB, MEMORY_THRESHOLD)
@@ -266,8 +266,8 @@ def storage_freespace(topsrcdir: str, topobjdir: str, **kwargs) -> List[DoctorCh
         try:
             usage = psutil.disk_usage(mount)
             freespace, size = usage.free, usage.total
-            freespace_GB = freespace / 1024 ** 3
+            freespace_GB = freespace / 1024**3
-            size_GB = size / 1024 ** 3
+            size_GB = size / 1024**3
             if freespace_GB < FREESPACE_THRESHOLD:
                 status = CheckStatus.WARNING
                 desc.append(

python/mozbuild/mozbuild/frontend/context.py

@@ -490,7 +490,6 @@ class LinkFlags(BaseCompileFlags):
                 not self._context.config.substs.get("MOZ_DEBUG"),
             ]
         ):
-
             if self._context.config.substs.get("MOZ_OPTIMIZE"):
                 flags.append("-OPT:REF,ICF")
 

python/mozbuild/mozbuild/frontend/emitter.py

@@ -172,7 +172,6 @@ class TreeMetadataEmitter(LoggingMixin):
                 yield o
 
     def _emit_libs_derived(self, contexts):
-
         # First aggregate idl sources.
         webidl_attrs = [
             ("GENERATED_EVENTS_WEBIDL_FILES", lambda c: c.generated_events_sources),
@@ -1461,15 +1460,11 @@ class TreeMetadataEmitter(LoggingMixin):
                 if mozpath.split(base)[0] == "res":
                     has_resources = True
                 for f in files:
-                    if (
+                    if var in (
-                        var
+                        "FINAL_TARGET_PP_FILES",
-                        in (
+                        "OBJDIR_PP_FILES",
-                            "FINAL_TARGET_PP_FILES",
+                        "LOCALIZED_PP_FILES",
-                            "OBJDIR_PP_FILES",
+                    ) and not isinstance(f, SourcePath):
-                            "LOCALIZED_PP_FILES",
-                        )
-                        and not isinstance(f, SourcePath)
-                    ):
                         raise SandboxValidationError(
                             ("Only source directory paths allowed in " + "%s: %s")
                             % (var, f),
@@ -1679,7 +1674,7 @@ class TreeMetadataEmitter(LoggingMixin):
         if not (generated_files or localized_generated_files):
             return
 
-        for (localized, gen) in (
+        for localized, gen in (
             (False, generated_files),
             (True, localized_generated_files),
         ):

python/mozbuild/mozbuild/frontend/reader.py

@@ -531,7 +531,6 @@ class BuildReaderError(Exception):
         other_error=None,
         sandbox_called_error=None,
     ):
-
         self.file_stack = file_stack
         self.trace = trace
         self.sandbox_called_error = sandbox_called_error

python/mozbuild/mozbuild/gn_processor.py

@@ -297,7 +297,6 @@ def process_gn_config(
 
     # Process all targets from the given gn project and its dependencies.
     for target_fullname, spec in six.iteritems(targets):
-
         target_path, target_name = target_info(target_fullname)
         context_attrs = {}
 
@@ -396,7 +395,7 @@ def process_gn_config(
             ".mm": ("CMMFLAGS", ["cflags", "cflags_objcc"]),
         }
         variables = (suffix_map[e] for e in extensions if e in suffix_map)
-        for (var, flag_keys) in variables:
+        for var, flag_keys in variables:
             flags = [
                 _f for _k in flag_keys for _f in spec.get(_k, []) if _f in mozilla_flags
             ]
@@ -522,7 +521,6 @@ def write_mozbuild(
     mozilla_flags,
     write_mozbuild_variables,
 ):
-
     all_mozbuild_results = []
 
     for gn_config in gn_configs:
@@ -626,7 +624,6 @@ def write_mozbuild(
             ("OS_TARGET", "CPU_ARCH"),
             ("OS_TARGET", "CPU_ARCH", "MOZ_X11"),
         ):
-
             conditions = set()
             for args in dirs_by_config.keys():
                 cond = tuple(((k, dict(args).get(k) or "") for k in attrs))

python/mozbuild/mozbuild/jar.py

@@ -98,7 +98,6 @@ class DeprecatedJarManifest(Exception):
 
 
 class JarManifestParser(object):
-
     ignore = re.compile("\s*(\#.*)?$")
     jarline = re.compile(
         """
@@ -210,7 +209,6 @@ class JarMaker(object):
     def __init__(
         self, outputFormat="flat", useJarfileManifest=True, useChromeManifest=False
     ):
-
         self.outputFormat = outputFormat
         self.useJarfileManifest = useJarfileManifest
         self.useChromeManifest = useChromeManifest

python/mozbuild/mozbuild/mach_commands.py

@@ -936,7 +936,6 @@ def gtest(
     debugger,
     debugger_args,
 ):
-
     # We lazy build gtest because it's slow to link
     try:
         command_context.config_environment

python/mozbuild/mozbuild/mozconfig.py

@@ -286,7 +286,6 @@ class MozconfigLoader(object):
         in_variable = None
 
         for line in output.splitlines():
-
             if not line:
                 continue
 

python/mozbuild/mozbuild/repackaging/dmg.py

@@ -13,7 +13,6 @@ from mozbuild.repackaging.application_ini import get_application_ini_value
 
 
 def repackage_dmg(infile, output):
-
     if not tarfile.is_tarfile(infile):
         raise Exception("Input file %s is not a valid tarfile." % infile)
 

python/mozbuild/mozbuild/repackaging/msi.py

@@ -20,7 +20,6 @@ _MSI_ARCH = {
 
 
 def update_wsx(wfile, pvalues):
-
     parsed = minidom.parse(wfile)
 
     # construct a dictinary for the pre-processing options

python/mozbuild/mozbuild/repackaging/pkg.py

@@ -13,7 +13,6 @@ from mozbuild.bootstrap import bootstrap_toolchain
 
 
 def repackage_pkg(infile, output):
-
     if not tarfile.is_tarfile(infile):
         raise Exception("Input file %s is not a valid tarfile." % infile)
 

python/mozbuild/mozbuild/test/action/test_langpack_manifest.py

@@ -154,7 +154,7 @@ langpack-contributors = { "" }
         self.assertEqual(len(description), 132)
 
     def test_get_version_maybe_buildid(self):
-        for (app_version, buildid, expected_version) in [
+        for app_version, buildid, expected_version in [
             ("109", "", "109"),
             ("109.0", "", "109.0"),
             ("109.0.0", "", "109.0.0"),

python/mozbuild/mozbuild/test/backend/test_recursivemake.py

@@ -1292,7 +1292,7 @@ class TestRecursiveMakeBackend(BackendTester):
             ("not-installed", "not-installed.prog"),
         ]
         prefix = "PROGRAM = "
-        for (subdir, expected_program) in expected:
+        for subdir, expected_program in expected:
             with io.open(os.path.join(env.topobjdir, subdir, "backend.mk"), "r") as fh:
                 lines = fh.readlines()
                 program = [

python/mozbuild/mozbuild/test/configure/data/included.configure

@@ -4,6 +4,7 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
+
 # For more complex and repetitive things, we can create templates
 @template
 def check_compiler_flag(flag):
@@ -18,6 +19,7 @@ def check_compiler_flag(flag):
 
 check_compiler_flag("-Werror=foobar")
 
+
 # Normal functions can be used in @depends functions.
 def fortytwo():
     return 42
@@ -45,6 +47,7 @@ def check(value):
 
 set_config("TEMPLATE_VALUE_2", check)
 
+
 # Normal functions can use @imports too to import modules.
 @imports("sys")
 def platform():