flake8: Perform suggested whitespace/formatting changes

This only touches newlines, spaces, and (occaisionally) commas.  Anything
else is left for another commit.

8 files changed, 81 insertions, 77 deletions

diff --git a/mesonbuild/backend/ninjabackend.py b/mesonbuild/backend/ninjabackend.py
index aeb2411..cd2f053 100644
--- a/mesonbuild/backend/ninjabackend.py
+++ b/mesonbuild/backend/ninjabackend.py
@@ -83,10 +83,9 @@ class NinjaBuildElement:
 
     def write(self, outfile):
         self.check_outputs()
-        line = 'build %s: %s %s' % (
-            ' '.join([ninja_quote(i) for i in self.outfilenames]),
-            self.rule,
-            ' '.join([ninja_quote(i) for i in self.infilenames]))
+        line = 'build %s: %s %s' % (' '.join([ninja_quote(i) for i in self.outfilenames]),
+                                    self.rule,
+                                    ' '.join([ninja_quote(i) for i in self.infilenames]))
         if len(self.deps) > 0:
             line += ' | ' + ' '.join([ninja_quote(x) for x in self.deps])
         if len(self.orderdeps) > 0:
@@ -721,8 +720,7 @@ int dummy;
                     # On toolchains/platforms that use an import library for
                     # linking (separate from the shared library with all the
                     # code), we need to install that too (dll.a/.lib).
-                    if (isinstance(t, build.SharedLibrary) or
-                        isinstance(t, build.Executable)) and t.get_import_filename():
+                    if (isinstance(t, build.SharedLibrary) or isinstance(t, build.Executable)) and t.get_import_filename():
                         if custom_install_dir:
                             # If the DLL is installed into a custom directory,
                             # install the import library into the same place so
@@ -856,8 +854,9 @@ int dummy;
         self.create_target_alias('meson-test', outfile)
 
         # And then benchmarks.
-        cmd = self.environment.get_build_command(True) + ['test', '--benchmark', '--logbase',
-               'benchmarklog', '--num-processes=1', '--no-rebuild']
+        cmd = self.environment.get_build_command(True) + [
+            'test', '--benchmark', '--logbase',
+            'benchmarklog', '--num-processes=1', '--no-rebuild']
         elem = NinjaBuildElement(self.all_outputs, 'meson-benchmark', 'CUSTOM_COMMAND', ['all', 'PHONY'])
         elem.add_item('COMMAND', cmd)
         elem.add_item('DESC', 'Running benchmark suite.')
@@ -1576,9 +1575,10 @@ int dummy;
     def generate_swift_compile_rules(self, compiler, outfile):
         rule = 'rule %s_COMPILER\n' % compiler.get_language()
         full_exe = [ninja_quote(x) for x in self.environment.get_build_command()] + [
-                    '--internal',
-                    'dirchanger',
-                    '$RUNDIR']
+            '--internal',
+            'dirchanger',
+            '$RUNDIR',
+        ]
         invoc = (' '.join(full_exe) + ' ' +
                  ' '.join(ninja_quote(i) for i in compiler.get_exelist()))
         command = ' command = %s $ARGS $in\n' % invoc
@@ -2527,10 +2527,11 @@ rule FORTRAN_DEP_HACK
     def generate_dist(self, outfile):
         elem = NinjaBuildElement(self.all_outputs, 'meson-dist', 'CUSTOM_COMMAND', 'PHONY')
         elem.add_item('DESC', 'Creating source packages')
-        elem.add_item('COMMAND', self.environment.get_build_command() +
-            ['--internal', 'dist',
-             self.environment.source_dir,
-             self.environment.build_dir] + self.environment.get_build_command())
+        elem.add_item('COMMAND', self.environment.get_build_command() + [
+            '--internal', 'dist',
+            self.environment.source_dir,
+            self.environment.build_dir,
+        ] + self.environment.get_build_command())
         elem.add_item('pool', 'console')
         elem.write(outfile)
         # Alias that runs the target defined above
diff --git a/mesonbuild/backend/vs2010backend.py b/mesonbuild/backend/vs2010backend.py
index 0bbc17c..1c87b05 100644
--- a/mesonbuild/backend/vs2010backend.py
+++ b/mesonbuild/backend/vs2010backend.py
@@ -383,8 +383,7 @@ class Vs2010Backend(backends.Backend):
         cmd = [sys.executable, os.path.join(self.environment.get_script_dir(), 'commandrunner.py'),
                self.environment.get_build_dir(),
                self.environment.get_source_dir(),
-               self.get_target_dir(target)] + \
-               self.environment.get_build_command()
+               self.get_target_dir(target)] + self.environment.get_build_command()
         for i in cmd_raw:
             if isinstance(i, build.BuildTarget):
                 cmd.append(os.path.join(self.environment.get_build_dir(), self.get_target_filename(i)))
@@ -926,8 +925,7 @@ class Vs2010Backend(backends.Backend):
         ofile.text = '$(OutDir)%s' % target.get_filename()
         subsys = ET.SubElement(link, 'SubSystem')
         subsys.text = subsystem
-        if (isinstance(target, build.SharedLibrary) or
-            isinstance(target, build.Executable)) and target.get_import_filename():
+        if (isinstance(target, build.SharedLibrary) or isinstance(target, build.Executable)) and target.get_import_filename():
             # DLLs built with MSVC always have an import library except when
             # they're data-only DLLs, but we don't support those yet.
             ET.SubElement(link, 'ImportLibrary').text = target.get_import_filename()
diff --git a/mesonbuild/compilers/c.py b/mesonbuild/compilers/c.py
index 255a506..98b2fbc 100644
--- a/mesonbuild/compilers/c.py
+++ b/mesonbuild/compilers/c.py
@@ -1025,5 +1025,3 @@ class VisualStudioCCompiler(CCompiler):
             # and the can not be called.
             return None
         return vs32_instruction_set_args.get(instruction_set, None)
-
-
diff --git a/mesonbuild/compilers/compilers.py b/mesonbuild/compilers/compilers.py
index c431194..89208e0 100644
--- a/mesonbuild/compilers/compilers.py
+++ b/mesonbuild/compilers/compilers.py
@@ -252,7 +252,7 @@ vs32_instruction_set_args = {'mmx': ['/arch:SSE'], # There does not seem to be a
                              'avx': ['/arch:AVX'],
                              'avx2': ['/arch:AVX2'],
                              'neon': None,
-}
+                             }
 
 # The 64 bit compiler defaults to /arch:avx.
 vs64_instruction_set_args = {'mmx': ['/arch:AVX'],
diff --git a/mesonbuild/interpreter.py b/mesonbuild/interpreter.py
index b28ca0e..51b8202 100644
--- a/mesonbuild/interpreter.py
+++ b/mesonbuild/interpreter.py
@@ -1028,7 +1028,6 @@ class CompilerHolder(InterpreterObject):
             h)
         return result
 
-
     def first_supported_argument_method(self, args, kwargs):
         for i in mesonlib.stringlistify(args):
             if self.compiler.has_argument(i, self.environment):
@@ -1245,48 +1244,50 @@ class MesonMain(InterpreterObject):
 
 pch_kwargs = set(['c_pch', 'cpp_pch'])
 
-lang_arg_kwargs = set(['c_args',
-                       'cpp_args',
-                       'd_args',
-                       'd_import_dirs',
-                       'd_unittest',
-                       'd_module_versions',
-                       'fortran_args',
-                       'java_args',
-                       'objc_args',
-                       'objcpp_args',
-                       'rust_args',
-                       'vala_args',
-                       'cs_args',
-                   ])
+lang_arg_kwargs = set([
+    'c_args',
+    'cpp_args',
+    'd_args',
+    'd_import_dirs',
+    'd_unittest',
+    'd_module_versions',
+    'fortran_args',
+    'java_args',
+    'objc_args',
+    'objcpp_args',
+    'rust_args',
+    'vala_args',
+    'cs_args',
+])
 
 vala_kwargs = set(['vala_header', 'vala_gir', 'vala_vapi'])
 rust_kwargs = set(['rust_crate_type'])
 cs_kwargs = set(['resources', 'cs_args'])
 
-buildtarget_kwargs = set(['build_by_default',
-                          'build_rpath',
-                          'dependencies',
-                          'extra_files',
-                          'gui_app',
-                          'link_with',
-                          'link_whole',
-                          'link_args',
-                          'link_depends',
-                          'implicit_include_directories',
-                          'include_directories',
-                          'install',
-                          'install_rpath',
-                          'install_dir',
-                          'name_prefix',
-                          'name_suffix',
-                          'native',
-                          'objects',
-                          'override_options',
-                          'pic',
-                          'sources',
-                          'vs_module_defs',
-                      ])
+buildtarget_kwargs = set([
+    'build_by_default',
+    'build_rpath',
+    'dependencies',
+    'extra_files',
+    'gui_app',
+    'link_with',
+    'link_whole',
+    'link_args',
+    'link_depends',
+    'implicit_include_directories',
+    'include_directories',
+    'install',
+    'install_rpath',
+    'install_dir',
+    'name_prefix',
+    'name_suffix',
+    'native',
+    'objects',
+    'override_options',
+    'pic',
+    'sources',
+    'vs_module_defs',
+])
 
 build_target_common_kwargs = (
     buildtarget_kwargs |
@@ -2013,7 +2014,7 @@ class Interpreter(InterpreterBase):
             if not isinstance(use_native, bool):
                 raise InvalidArguments('Argument to "native" must be a boolean.')
             if not use_native:
-                 progobj = self.program_from_cross_file(args)
+                progobj = self.program_from_cross_file(args)
         if progobj is None:
             progobj = self.program_from_system(args)
         if required and (progobj is None or not progobj.found()):
diff --git a/mesonbuild/mesonmain.py b/mesonbuild/mesonmain.py
index 1657ddd..45e6026 100644
--- a/mesonbuild/mesonmain.py
+++ b/mesonbuild/mesonmain.py
@@ -122,11 +122,11 @@ class MesonApp:
         if os.path.exists(priv_dir):
             if not handshake:
                 print('Directory already configured, exiting Meson. Just run your build command\n'
-                '(e.g. ninja) and Meson will regenerate as necessary. If ninja fails, run ninja\n'
-                'reconfigure to force Meson to regenerate.\n'
-                '\nIf build failures persist, manually wipe your build directory to clear any\n'
-                'stored system data.\n'
-                '\nTo change option values, run meson configure instead.')
+                      '(e.g. ninja) and Meson will regenerate as necessary. If ninja fails, run ninja\n'
+                      'reconfigure to force Meson to regenerate.\n'
+                      '\nIf build failures persist, manually wipe your build directory to clear any\n'
+                      'stored system data.\n'
+                      '\nTo change option values, run meson configure instead.')
                 sys.exit(0)
         else:
             if handshake:
diff --git a/mesonbuild/modules/gnome.py b/mesonbuild/modules/gnome.py
index 137d380..12d3f90 100644
--- a/mesonbuild/modules/gnome.py
+++ b/mesonbuild/modules/gnome.py
@@ -697,18 +697,22 @@ This will become a hard error in the future.''')
             args.append('--langs=' + '@@'.join(langs))
         inscript = build.RunScript(script, args)
 
-        potargs = state.environment.get_build_command() + ['--internal', 'yelphelper', 'pot',
-                   '--subdir=' + state.subdir,
-                   '--id=' + project_id,
-                   '--sources=' + source_str]
+        potargs = state.environment.get_build_command() + [
+            '--internal', 'yelphelper', 'pot',
+            '--subdir=' + state.subdir,
+            '--id=' + project_id,
+            '--sources=' + source_str,
+        ]
         pottarget = build.RunTarget('help-' + project_id + '-pot', potargs[0],
                                     potargs[1:], [], state.subdir)
 
-        poargs = state.environment.get_build_command() + ['--internal', 'yelphelper', 'update-po',
-                  '--subdir=' + state.subdir,
-                  '--id=' + project_id,
-                  '--sources=' + source_str,
-                  '--langs=' + '@@'.join(langs)]
+        poargs = state.environment.get_build_command() + [
+            '--internal', 'yelphelper', 'update-po',
+            '--subdir=' + state.subdir,
+            '--id=' + project_id,
+            '--sources=' + source_str,
+            '--langs=' + '@@'.join(langs),
+        ]
         potarget = build.RunTarget('help-' + project_id + '-update-po', poargs[0],
                                    poargs[1:], [], state.subdir)
 
diff --git a/mesonbuild/modules/i18n.py b/mesonbuild/modules/i18n.py
index 2af09de..76edb72 100644
--- a/mesonbuild/modules/i18n.py
+++ b/mesonbuild/modules/i18n.py
@@ -72,8 +72,10 @@ class I18nModule(ExtensionModule):
         datadirs = self._get_data_dirs(state, mesonlib.stringlistify(kwargs.pop('data_dirs', [])))
         datadirs = '--datadirs=' + ':'.join(datadirs) if datadirs else None
 
-        command = state.environment.get_build_command() + ['--internal', 'msgfmthelper',
-                   '@INPUT@', '@OUTPUT@', file_type, podir]
+        command = state.environment.get_build_command() + [
+            '--internal', 'msgfmthelper',
+            '@INPUT@', '@OUTPUT@', file_type, podir
+        ]
         if datadirs:
             command.append(datadirs)