Fix all flake8 warnings

mesonbuild/compilers/__init__.py

@@ -55,9 +55,11 @@ __all__ = [
     'G95FortranCompiler',
     'GnuCCompiler',
     'ElbrusCCompiler',
+    'EmscriptenCCompiler',
     'GnuCompiler',
     'GnuCPPCompiler',
     'ElbrusCPPCompiler',
+    'EmscriptenCPPCompiler',
     'GnuDCompiler',
     'GnuFortranCompiler',
     'ElbrusFortranCompiler',

mesonbuild/compilers/compilers.py

@@ -21,7 +21,7 @@ from .. import coredata
 from .. import mlog
 from .. import mesonlib
 from ..mesonlib import (
-    EnvironmentException, MachineChoice, MesonException, OrderedSet,
+    EnvironmentException, MachineChoice, MesonException,
     Popen_safe, split_args
 )
 from ..envconfig import (

mesonbuild/compilers/mixins/arm.py

@@ -76,7 +76,6 @@ class ArmCompiler:
         # Assembly
         self.can_compile_suffixes.add('s')
 
-
     def get_pic_args(self) -> typing.List[str]:
         # FIXME: Add /ropi, /rwpi, /fpic etc. qualifiers to --apcs
         return []

mesonbuild/compilers/mixins/ccrx.py

@@ -17,7 +17,7 @@
 import os
 import typing
 
-from ...mesonlib import Popen_safe, EnvironmentException
+from ...mesonlib import EnvironmentException
 
 if typing.TYPE_CHECKING:
     from ...environment import Environment

mesonbuild/envconfig.py

@@ -260,11 +260,9 @@ class MachineInfo:
         """Machine is illumos or Solaris?"""
         return self.system == 'sunos'
 
-
     # Various prefixes and suffixes for import libraries, shared libraries,
     # static libraries, and executables.
     # Versioning is added to these names in the backends as-needed.
-
     def get_exe_suffix(self) -> str:
         if self.is_windows() or self.is_cygwin():
             return 'exe'

mesonbuild/scripts/scanbuild.py

@@ -17,7 +17,6 @@ import subprocess
 import shutil
 import tempfile
 from ..environment import detect_ninja, detect_scanbuild
-from ..mesonlib import Popen_safe, split_args
 
 
 def scanbuild(exelist, srcdir, blddir, privdir, logdir, args):

run_tests.py

@@ -116,7 +116,6 @@ def get_fake_env(sdir='', bdir=None, prefix='', opts=None):
 Backend = Enum('Backend', 'ninja vs xcode')
 
 if 'MESON_EXE' in os.environ:
-    import shlex
     meson_exe = mesonlib.split_args(os.environ['MESON_EXE'])
 else:
     meson_exe = None

run_unittests.py

@@ -3183,7 +3183,6 @@ recommended as it is not supported on some platforms''')
             self.installdir = initial_builddir
             self.builddir = initial_installdir
 
-
     def test_conflicting_d_dash_option(self):
         testdir = os.path.join(self.unit_test_dir, '37 mixed command line args')
         with self.assertRaises(subprocess.CalledProcessError) as e: