Reformat python code in third_party/blink/tools/blinkpy/bindings for PEP8

- added .style.yapf file
- reformat *.py files

Bug: 1051750
Change-Id: Id52422ad244199d802c3c66afe480646e1672d37
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2127112Reviewed-by: Kent Tamura <tkent@chromium.org>
Commit-Queue: Kent Tamura <tkent@chromium.org>
Cr-Commit-Position: refs/heads/master@{#758450}

third_party/blink/tools/blinkpy/bindings/.style.yapf

+[style]
+based_on_style = pep8

third_party/blink/tools/blinkpy/bindings/collect_idls_into_json_test.py

@@ -11,24 +11,27 @@ from blink_idl_parser import parse_file, BlinkIDLParser
 testdata_path = os.path.join(
     os.path.dirname(os.path.realpath(__file__)), 'testdata')
 _FILE = os.path.join(testdata_path, 'test_filepath.txt')
-_KEY_SET = set(['Operations', 'Name', 'FilePath', 'Inherit', 'Consts', 'ExtAttributes', 'Attributes'])
+_KEY_SET = set([
+    'Operations', 'Name', 'FilePath', 'Inherit', 'Consts', 'ExtAttributes',
+    'Attributes'
+])
 _PARTIAL = {
     'Node': {
         'Operations': [],
-        'Name': 'Node',
-        'FilePath': 'Source/core/timing/WorkerGlobalScopePerformance.idl',
+        'Name':
+        'Node',
+        'FilePath':
+        'Source/core/timing/WorkerGlobalScopePerformance.idl',
         'Inherit': [],
         'Consts': [],
         'ExtAttributes': [],
-        'Attributes': [
-            {
-                'Static': False,
-                'Readonly': True,
-                'Type': 'WorkerPerformance',
-                'Name': 'performance',
-                'ExtAttributes': []
-            }
-        ]
+        'Attributes': [{
+            'Static': False,
+            'Readonly': True,
+            'Type': 'WorkerPerformance',
+            'Name': 'performance',
+            'ExtAttributes': []
+        }]
     }
 }
 
@@ -36,23 +39,26 @@ _PARTIAL = {
 class TestFunctions(unittest.TestCase):
     def setUp(self):
         parser = BlinkIDLParser()
-        path = os.path.join(
-            testdata_path, utilities.read_file_to_list(_FILE)[0])
+        path = os.path.join(testdata_path,
+                            utilities.read_file_to_list(_FILE)[0])
         definitions = parse_file(parser, path)
         self.definition = definitions.GetChildren()[0]
 
     def test_get_definitions(self):
         pathfile = utilities.read_file_to_list(_FILE)
-        pathfile = [os.path.join(testdata_path, filename)
-                    for filename in pathfile]
+        pathfile = [
+            os.path.join(testdata_path, filename) for filename in pathfile
+        ]
         for actual in collect_idls_into_json.get_definitions(pathfile):
             self.assertEqual(actual.GetName(), self.definition.GetName())
 
     def test_is_partial(self):
-        if self.definition.GetClass() == 'Interface' and self.definition.GetProperty('Partial'):
+        if (self.definition.GetClass() == 'Interface'
+                and self.definition.GetProperty('Partial')):
             self.assertTrue(collect_idls_into_json.is_partial(self.definition))
         else:
-            self.assertFalse(collect_idls_into_json.is_partial(self.definition))
+            self.assertFalse(
+                collect_idls_into_json.is_partial(self.definition))
 
     def test_get_filepaths(self):
         filepath = collect_idls_into_json.get_filepath(self.definition)
@@ -60,53 +66,85 @@ class TestFunctions(unittest.TestCase):
 
     def test_const_node_to_dict(self):
         const_member = set(['Name', 'Type', 'Value', 'ExtAttributes'])
-        for const in collect_idls_into_json.get_const_node_list(self.definition):
+        for const in collect_idls_into_json.get_const_node_list(
+                self.definition):
             if const:
                 self.assertEqual(const.GetClass(), 'Const')
-                self.assertEqual(collect_idls_into_json.get_const_type(const), 'unsigned short')
-                self.assertEqual(collect_idls_into_json.get_const_value(const), '1')
-                self.assertTrue(const_member.issuperset(collect_idls_into_json.const_node_to_dict(const).keys()))
+                self.assertEqual(
+                    collect_idls_into_json.get_const_type(const),
+                    'unsigned short')
+                self.assertEqual(
+                    collect_idls_into_json.get_const_value(const), '1')
+                self.assertTrue(
+                    const_member.issuperset(
+                        collect_idls_into_json.const_node_to_dict(const).
+                        keys()))
             else:
                 self.assertEqual(const, None)
 
     def test_attribute_node_to_dict(self):
-        attribute_member = set(['Name', 'Type', 'ExtAttributes', 'Readonly', 'Static'])
-        for attribute in collect_idls_into_json.get_attribute_node_list(self.definition):
+        attribute_member = set(
+            ['Name', 'Type', 'ExtAttributes', 'Readonly', 'Static'])
+        for attribute in collect_idls_into_json.get_attribute_node_list(
+                self.definition):
             if attribute:
                 self.assertEqual(attribute.GetClass(), 'Attribute')
                 self.assertEqual(attribute.GetName(), 'parentNode')
-                self.assertEqual(collect_idls_into_json.get_attribute_type(attribute), 'Node')
-                self.assertTrue(attribute_member.issuperset(collect_idls_into_json.attribute_node_to_dict(attribute).keys()))
+                self.assertEqual(
+                    collect_idls_into_json.get_attribute_type(attribute),
+                    'Node')
+                self.assertTrue(
+                    attribute_member.issuperset(
+                        collect_idls_into_json.attribute_node_to_dict(
+                            attribute).keys()))
             else:
                 self.assertEqual(attribute, None)
 
     def test_operation_node_to_dict(self):
-        operate_member = set(['Static', 'ExtAttributes', 'Type', 'Name', 'Arguments'])
+        operate_member = set(
+            ['Static', 'ExtAttributes', 'Type', 'Name', 'Arguments'])
         argument_member = set(['Name', 'Type'])
-        for operation in collect_idls_into_json.get_operation_node_list(self.definition):
+        for operation in collect_idls_into_json.get_operation_node_list(
+                self.definition):
             if operation:
                 self.assertEqual(operation.GetClass(), 'Operation')
                 self.assertEqual(operation.GetName(), 'appendChild')
-                self.assertEqual(collect_idls_into_json.get_operation_type(operation), 'Node')
-                self.assertTrue(operate_member.issuperset(collect_idls_into_json.operation_node_to_dict(operation).keys()))
-                for argument in collect_idls_into_json.get_argument_node_list(operation):
+                self.assertEqual(
+                    collect_idls_into_json.get_operation_type(operation),
+                    'Node')
+                self.assertTrue(
+                    operate_member.issuperset(
+                        collect_idls_into_json.operation_node_to_dict(
+                            operation).keys()))
+                for argument in collect_idls_into_json.get_argument_node_list(
+                        operation):
                     if argument:
                         self.assertEqual(argument.GetClass(), 'Argument')
                         self.assertEqual(argument.GetName(), 'newChild')
-                        self.assertEqual(collect_idls_into_json.get_argument_type(argument), 'Node')
-                        self.assertTrue(argument_member.issuperset(collect_idls_into_json.argument_node_to_dict(argument).keys()))
+                        self.assertEqual(
+                            collect_idls_into_json.get_argument_type(argument),
+                            'Node')
+                        self.assertTrue(
+                            argument_member.issuperset(
+                                collect_idls_into_json.argument_node_to_dict(
+                                    argument).keys()))
                     else:
                         self.assertEqual(argument, None)
             else:
                 self.assertEqual(operation, None)
 
     def test_extattribute_node_to_dict(self):
-        for extattr in collect_idls_into_json.get_extattribute_node_list(self.definition):
+        for extattr in collect_idls_into_json.get_extattribute_node_list(
+                self.definition):
             if extattr:
                 self.assertEqual(extattr.GetClass(), 'ExtAttribute')
                 self.assertEqual(extattr.GetName(), 'CustomToV8')
-                self.assertEqual(collect_idls_into_json.extattr_node_to_dict(extattr).keys(), ['Name'])
-                self.assertEqual(collect_idls_into_json.extattr_node_to_dict(extattr).values(), ['CustomToV8'])
+                self.assertEqual(
+                    collect_idls_into_json.extattr_node_to_dict(extattr).
+                    keys(), ['Name'])
+                self.assertEqual(
+                    collect_idls_into_json.extattr_node_to_dict(extattr).
+                    values(), ['CustomToV8'])
             else:
                 self.assertEqual(extattr, None)
 
@@ -119,12 +157,17 @@ class TestFunctions(unittest.TestCase):
             self.assertEqual(inherit, [])
 
     def test_interface_node_to_dict(self):
-        self.assertTrue(_KEY_SET.issuperset(collect_idls_into_json.interface_node_to_dict(self.definition)))
+        self.assertTrue(
+            _KEY_SET.issuperset(
+                collect_idls_into_json.interface_node_to_dict(
+                    self.definition)))
 
     def test_merge_partial_dicts(self):
         key_name = self.definition.GetName()
-        merged = collect_idls_into_json.merge_partial_dicts(
-            {key_name: collect_idls_into_json.interface_node_to_dict(self.definition)}, _PARTIAL)[key_name]['Partial_FilePaths']
+        merged = collect_idls_into_json.merge_partial_dicts({
+            key_name:
+            collect_idls_into_json.interface_node_to_dict(self.definition)
+        }, _PARTIAL)[key_name]['Partial_FilePaths']
         expected = [
             'Source/core/timing/WorkerGlobalScopePerformance.idl',
             'Source/core/timing/WorkerGlobalScopePerformance.idl',

third_party/blink/tools/blinkpy/bindings/generate_idl_diff.py

@@ -2,7 +2,6 @@
 # Copyright 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
-
 """generate_idl_diff.py is a script that generates a diff of two given IDL files.
 Usage: generate_idl_diff.py old_file.json new_file.json diff_file.json
     old_file.json: An input json file including idl data of old Chrome version
@@ -55,8 +54,9 @@ and 'Operations'. Each item in them are called a "member".
     }
 """
 
-
-EXTATTRIBUTES_AND_MEMBER_TYPES = ['ExtAttributes', 'Consts', 'Attributes', 'Operations']
+EXTATTRIBUTES_AND_MEMBER_TYPES = [
+    'ExtAttributes', 'Consts', 'Attributes', 'Operations'
+]
 DIFF_INSENSITIVE_FIELDS = ['Name']
 DIFF_TAG = 'diff_tag'
 DIFF_TAG_ADDED = 'added'
@@ -139,7 +139,8 @@ def interfaces_diff(old_interfaces, new_interfaces):
     annotated = {}
     for interface_name, interface in new_interfaces.items():
         if interface_name in old_interfaces:
-            annotated_interface, is_changed = members_diff(old_interfaces[interface_name], interface)
+            annotated_interface, is_changed = members_diff(
+                old_interfaces[interface_name], interface)
             if is_changed:
                 annotated[interface_name] = annotated_interface
             del old_interfaces[interface_name]
@@ -166,9 +167,8 @@ def write_diff(diff, filepath):
 
 def main(argv):
     if len(argv) != 3:
-        sys.stdout.write(
-            'Usage: make_diff.py <old_file.json> <new_file.json> '
-            '<diff_file.json>\n')
+        sys.stdout.write('Usage: make_diff.py <old_file.json> <new_file.json> '
+                         '<diff_file.json>\n')
         exit(1)
     old_json_file = argv[0]
     new_json_file = argv[1]

third_party/blink/tools/blinkpy/bindings/generate_idl_diff_test.py

@@ -11,7 +11,6 @@ from blinkpy.bindings.generate_idl_diff import DIFF_TAG
 from blinkpy.bindings.generate_idl_diff import DIFF_TAG_DELETED
 from blinkpy.bindings.generate_idl_diff import DIFF_TAG_ADDED
 
-
 testdata_path = os.path.join(
     os.path.dirname(os.path.realpath(__file__)), 'testdata')
 old_data_path = os.path.join(testdata_path, 'old_blink_idls.json')
@@ -19,7 +18,6 @@ new_data_path = os.path.join(testdata_path, 'new_blink_idls.json')
 
 
 class TestGenerateIDLDiff(unittest.TestCase):
-
     def setUp(self):
         old = generate_idl_diff.load_json_file(old_data_path)
         new = generate_idl_diff.load_json_file(new_data_path)

third_party/blink/tools/blinkpy/bindings/print_idl_diff.py

@@ -2,7 +2,6 @@
 # Copyright 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
-
 """Print a diff generated by generate_idl_diff.py.
 Before printing, sort the diff in the alphabetical order or the order of
 diffing tags.
@@ -24,7 +23,6 @@ from blinkpy.bindings.generate_idl_diff import DIFF_TAG
 from blinkpy.bindings.generate_idl_diff import DIFF_TAG_ADDED
 from blinkpy.bindings.generate_idl_diff import DIFF_TAG_DELETED
 
-
 # pylint: disable=W0105
 """Refer to the explanation of generate_idl_diff.py's input files.
 The deffference between the input structure of generate_idl_diff.py and
@@ -238,8 +236,8 @@ def sort_members_in_alphabetical_order(interface):
     """
     sorted_interface = OrderedDict()
     for member_type in EXTATTRIBUTES_AND_MEMBER_TYPES:
-        sorted_members = sorted(interface[member_type],
-                                key=lambda member: member['Name'])
+        sorted_members = sorted(
+            interface[member_type], key=lambda member: member['Name'])
         sorted_interface[member_type] = sorted_members
     return sorted_interface
 
@@ -323,6 +321,7 @@ def print_extattributes_in_member(extattributes, out):
     Args:
         A list of "ExtAttributes" in the "member" object
     """
+
     def callback(extattribute):
         out.write(extattribute['Name'])
 
@@ -350,6 +349,7 @@ def print_arguments(arguments, out):
     """Print arguments in a "members" object named "Operations".
     Args: A list of "Arguments"
     """
+
     def callback(argument):
         out.write(argument['Name'])
 
@@ -407,7 +407,8 @@ def print_diff(diff, out):
 
 def print_usage():
     """Show usage."""
-    sys.stdout.write('Usage: print_diff.py <diff_file.json> <"TAG"|"ALPHABET">\n')
+    sys.stdout.write(
+        'Usage: print_diff.py <diff_file.json> <"TAG"|"ALPHABET">\n')
 
 
 def main(argv):