fix extra whitespace

discovered via flake8 --select E303

mesonbuild/backend/backends.py

@@ -1347,7 +1347,6 @@ class Backend:
             incs += compiler.get_include_args(i, False)
         return incs
 
-
     def eval_custom_target_command(
             self, target: build.CustomTarget, absolute_outputs: bool = False) -> \
                 T.Tuple[T.List[str], T.List[str], T.List[str]]:

mesonbuild/backend/ninjabackend.py

@@ -2149,7 +2149,6 @@ https://gcc.gnu.org/bugzilla/show_bug.cgi?id=47485'''))
         self.add_rule(NinjaRule(rule, command, [], description, deps=deps,
                                 depfile=depfile))
 
-
     def generate_scanner_rules(self):
         rulename = 'depscan'
         if rulename in self.ruledict:
@@ -2162,7 +2161,6 @@ https://gcc.gnu.org/bugzilla/show_bug.cgi?id=47485'''))
         rule = NinjaRule(rulename, command, args, description)
         self.add_rule(rule)
 
-
     def generate_compile_rules(self):
         for for_machine in MachineChoice:
             clist = self.environment.coredata.compilers[for_machine]

mesonbuild/backend/xcodebackend.py

@@ -451,7 +451,6 @@ class XCodeBackend(backends.Backend):
         self.generator_buildfile_ids[k] = buildfile_ids
         self.generator_fileref_ids[k] = fileref_ids
 
-
     def generate_native_frameworks_map(self):
         self.native_frameworks = {}
         self.native_frameworks_fileref = {}
@@ -1027,7 +1026,6 @@ class XCodeBackend(backends.Backend):
             if i:
                 children_array.add_item(i)
 
-
     def generate_project_tree(self):
         tree_info = FileTreeEntry()
         for tname, t in self.build_targets.items():
@@ -1275,7 +1273,6 @@ class XCodeBackend(backends.Backend):
         gen_dict.add_item('shellScript', cmdstr)
         gen_dict.add_item('showEnvVarsInLog', 0)
 
-
     def generate_pbx_sources_build_phase(self, objects_dict):
         for name in self.source_phase:
             phase_dict = PbxDict()
@@ -1392,7 +1389,6 @@ class XCodeBackend(backends.Backend):
             settings_dict.add_item('SYMROOT', '"%s/build"' % self.environment.get_build_dir())
             bt_dict.add_item('name', f'"{buildtype}"')
 
-
     def determine_internal_dep_link_args(self, target, buildtype):
         links_dylib = False
         dep_libs = []

mesonbuild/compilers/c.py

@@ -52,7 +52,6 @@ else:
     CompilerMixinBase = object
 
 
-
 class CCompiler(CLikeCompiler, Compiler):
 
     @staticmethod

mesonbuild/compilers/cpp.py

@@ -554,7 +554,6 @@ class IntelCPPCompiler(IntelGnuLikeCompiler, CPPCompiler):
             c_stds += ['c++2a']
             g_stds += ['gnu++2a']
 
-
         key = OptionKey('std', machine=self.for_machine, lang=self.language)
         opts.update({
             key.evolve('eh'): coredata.UserComboOption(

mesonbuild/compilers/cuda.py

@@ -356,7 +356,6 @@ class CudaCompiler(Compiler):
                 xflags.append(flag)
                 continue
 
-
             # Handle breakup of flag-values into a flag-part and value-part.
             if   flag[:1] not in '-/':
                 # This is not a flag. It's probably a file input. Pass it through.
@@ -425,10 +424,8 @@ class CudaCompiler(Compiler):
                     # The above should securely handle GCC's -Wl, -Wa, -Wp, arguments.
                 continue
 
-
             assert val is not None  # Should only trip if there is a missing argument.
 
-
             # Take care of the various NVCC-supported flags that need special handling.
             flag = self._FLAG_LONG2SHORT_WITHARGS.get(flag,flag)
 

mesonbuild/compilers/detect.py

@@ -144,7 +144,6 @@ if T.TYPE_CHECKING:
     from ..programs import ExternalProgram
 
 
-
 # Default compilers and linkers
 # =============================
 
@@ -340,7 +339,6 @@ def detect_static_linker(env: 'Environment', compiler: Compiler) -> StaticLinker
     _handle_exceptions(popen_exceptions, linkers, 'linker')
 
 
-
 # Compilers
 # =========
 
@@ -618,7 +616,6 @@ def _detect_c_or_cpp_compiler(env: 'Environment', lang: str, for_machine: Machin
                 ccache + compiler, version, for_machine, is_cross, info,
                 exe_wrap, full_version=full_version, linker=linker)
 
-
     _handle_exceptions(popen_exceptions, compilers)
     raise EnvironmentException(f'Unknown compiler {compilers}')
 

mesonbuild/compilers/objcpp.py

@@ -85,7 +85,6 @@ class ClangObjCPPCompiler(ClangCompiler, ObjCPPCompiler):
                           '2': default_warn_args + ['-Wextra'],
                           '3': default_warn_args + ['-Wextra', '-Wpedantic']}
 
-
     def get_options(self) -> 'coredata.KeyedOptionDictType':
         opts = super().get_options()
         opts.update({

mesonbuild/environment.py

@@ -545,7 +545,6 @@ class Environment:
                     self.options[key.as_build()] = value
             self._load_machine_file_options(config, properties.host, MachineChoice.HOST)
 
-
         ## "freeze" now initialized configuration, and "save" to the class.
 
         self.machines = machines.default_missing()

mesonbuild/interpreter/interpreter.py

@@ -2512,7 +2512,6 @@ Try setting b_lundef to false instead.'''.format(self.coredata.options[OptionKey
         if project_root / self.subproject_dir in norm.parents:
             raise InterpreterException(f'Sandbox violation: Tried to grab {inputtype} {norm.name} from a nested subproject.')
 
-
     @T.overload
     def source_strings_to_files(self, sources: T.List['mesonlib.FileOrString']) -> T.List['mesonlib.File']: ...
 

mesonbuild/interpreter/mesonmain.py

@@ -435,7 +435,6 @@ class MesonMain(MesonInterpreterObject):
         propname, fallback = args
         return self.__get_external_property_impl(propname, fallback, kwargs['native'])
 
-
     @FeatureNew('meson.has_external_property', '0.58.0')
     @typed_pos_args('meson.has_external_property', str)
     @typed_kwargs('meson.has_external_property', NATIVE_KW)

mesonbuild/interpreter/primitives/integer.py

@@ -29,7 +29,6 @@ class IntegerHolder(ObjectHolder[int]):
             'to_string': self.to_string_method,
         })
 
-
         self.trivial_operators.update({
             # Arithmetic
             MesonOperator.UMINUS: (None, lambda x: -self.held_object),

mesonbuild/interpreter/primitives/string.py

@@ -52,7 +52,6 @@ class StringHolder(ObjectHolder[str]):
             'version_compare': self.version_compare_method,
         })
 
-
         self.trivial_operators.update({
             # Arithmetic
             MesonOperator.PLUS: (str, lambda x: self.held_object + x),
@@ -169,7 +168,6 @@ class StringHolder(ObjectHolder[str]):
     def version_compare_method(self, args: T.Tuple[str], kwargs: TYPE_kwargs) -> bool:
         return version_compare(self.held_object, args[0])
 
-
     @FeatureNew('/ with string arguments', '0.49.0')
     @typed_operator(MesonOperator.DIV, str)
     def op_div(self, other: str) -> str:

mesonbuild/interpreter/type_checking.py

@@ -157,7 +157,6 @@ def _env_validator(value: T.Union[EnvironmentVariables, T.List['TYPE_var'], T.Di
     return None
 
 
-
 def split_equal_string(input: str) -> T.Tuple[str, str]:
     """Split a string in the form `x=y`
 

mesonbuild/interpreterbase/baseobjects.py

@@ -100,7 +100,6 @@ class InterpreterObject:
             return self.operators[operator](other)
         raise InvalidCode(f'Object {self} of type {self.display_name()} does not support the `{operator.value}` operator.')
 
-
     # Default comparison operator support
     def _throw_comp_exception(self, other: TYPE_var, opt_type: str) -> T.NoReturn:
         raise InvalidArguments(textwrap.dedent(

mesonbuild/interpreterbase/decorators.py

@@ -426,7 +426,6 @@ class KwargInfo(T.Generic[_T]):
         )
 
 
-
 def typed_kwargs(name: str, *types: KwargInfo) -> T.Callable[..., T.Any]:
     """Decorator for type checking keyword arguments.
 

mesonbuild/mesonlib/universal.py

@@ -586,7 +586,6 @@ class PerMachineDefaultable(PerMachine[T.Optional[_T]]):
         return m.default_missing()
 
 
-
 class PerThreeMachineDefaultable(PerMachineDefaultable, PerThreeMachine[T.Optional[_T]]):
     """Extends `PerThreeMachine` with the ability to default from `None`s.
     """
@@ -1299,7 +1298,6 @@ def replace_if_different(dst: str, dst_tmp: str) -> None:
         os.unlink(dst_tmp)
 
 
-
 def listify(item: T.Any, flatten: bool = True) -> T.List[T.Any]:
     '''
     Returns a list with all args embedded in a list if they are not a list.

mesonbuild/scripts/depscan.py

@@ -106,7 +106,6 @@ class DependencyScanner:
                 else:
                     self.needs[fname] = [parent_module_name_full]
 
-
     def scan_cpp_file(self, fname: str) -> None:
         fpath = pathlib.Path(fname)
         for line in fpath.read_text(encoding='utf-8').split('\n'):