diff --git a/mesonbuild/ast/introspection.py b/mesonbuild/ast/introspection.py
index 34e3e0998..b6ec45012 100644
--- a/mesonbuild/ast/introspection.py
+++ b/mesonbuild/ast/introspection.py
@@ -173,9 +173,9 @@ class IntrospectionInterpreter(AstInterpreter):
                 arg_node = curr.args
             elif isinstance(curr, IdNode):
                 # Try to resolve the ID and append the node to the queue
-                id = curr.value
-                if id in self.assignments and self.assignments[id]:
-                    tmp_node = self.assignments[id][0]
+                var_name = curr.value
+                if var_name in self.assignments and self.assignments[var_name]:
+                    tmp_node = self.assignments[var_name][0]
                     if isinstance(tmp_node, (ArrayNode, IdNode, FunctionNode)):
                         srcqueue += [tmp_node]
             elif isinstance(curr, ArithmeticNode):
diff --git a/mesonbuild/backend/ninjabackend.py b/mesonbuild/backend/ninjabackend.py
index 9a6fdadac..04838c719 100644
--- a/mesonbuild/backend/ninjabackend.py
+++ b/mesonbuild/backend/ninjabackend.py
@@ -406,9 +406,9 @@ int dummy;
             }
         }
         '''
-        id = target.get_id()
+        tid = target.get_id()
         lang = comp.get_language()
-        tgt = self.introspection_data[id]
+        tgt = self.introspection_data[tid]
         # Find an existing entry or create a new one
         id_hash = (lang, tuple(parameters))
         src_block = tgt.get(id_hash, None)
diff --git a/mesonbuild/compilers/cs.py b/mesonbuild/compilers/cs.py
index cd67da0a1..c6355f28f 100644
--- a/mesonbuild/compilers/cs.py
+++ b/mesonbuild/compilers/cs.py
@@ -28,10 +28,10 @@ cs_optimization_args = {'0': [],
                         }
 
 class CsCompiler(Compiler):
-    def __init__(self, exelist, version, id, runner=None):
+    def __init__(self, exelist, version, comp_id, runner=None):
         self.language = 'cs'
         super().__init__(exelist, version)
-        self.id = id
+        self.id = comp_id
         self.is_cross = False
         self.runner = runner
 
diff --git a/mesonbuild/dependencies/ui.py b/mesonbuild/dependencies/ui.py
index ce1ca6834..b473ac8da 100644
--- a/mesonbuild/dependencies/ui.py
+++ b/mesonbuild/dependencies/ui.py
@@ -298,8 +298,8 @@ class QtBaseDependency(ExternalDependency):
                     # the Qt + m_name there is not a symlink, it's a file
                     mod_private_dir = qt_inc_dir
                 mod_private_inc = _qt_get_private_includes(mod_private_dir, m_name, m.version)
-                for dir in mod_private_inc:
-                    self.compile_args.append('-I' + dir)
+                for directory in mod_private_inc:
+                    self.compile_args.append('-I' + directory)
             self.link_args += m.get_link_args()
 
         if 'Core' in modules:
@@ -402,8 +402,8 @@ class QtBaseDependency(ExternalDependency):
 
             if self.private_headers:
                 priv_inc = self.get_private_includes(mincdir, module)
-                for dir in priv_inc:
-                    self.compile_args.append('-I' + dir)
+                for directory in priv_inc:
+                    self.compile_args.append('-I' + directory)
             libfile = self.clib_compiler.find_library(self.qtpkgname + module + modules_lib_suffix,
                                                       self.env,
                                                       libdir)
diff --git a/mesonbuild/mesonlib.py b/mesonbuild/mesonlib.py
index 721994601..d5e60fd1e 100644
--- a/mesonbuild/mesonlib.py
+++ b/mesonbuild/mesonlib.py
@@ -722,11 +722,11 @@ def has_path_sep(name, sep='/\\'):
             return True
     return False
 
-def do_replacement(regex, line, format, confdata):
+def do_replacement(regex, line, variable_format, confdata):
     missing_variables = set()
     start_tag = '@'
     backslash_tag = '\\@'
-    if format == 'cmake':
+    if variable_format == 'cmake':
         start_tag = '${'
         backslash_tag = '\\${'
 
@@ -779,7 +779,7 @@ def do_mesondefine(line, confdata):
         raise MesonException('#mesondefine argument "%s" is of unknown type.' % varname)
 
 
-def do_conf_file(src, dst, confdata, format, encoding='utf-8'):
+def do_conf_file(src, dst, confdata, variable_format, encoding='utf-8'):
     try:
         with open(src, encoding=encoding, newline='') as f:
             data = f.readlines()
@@ -787,15 +787,15 @@ def do_conf_file(src, dst, confdata, format, encoding='utf-8'):
         raise MesonException('Could not read input file %s: %s' % (src, str(e)))
     # Only allow (a-z, A-Z, 0-9, _, -) as valid characters for a define
     # Also allow escaping '@' with '\@'
-    if format in ['meson', 'cmake@']:
+    if variable_format in ['meson', 'cmake@']:
         regex = re.compile(r'(?:\\\\)+(?=\\?@)|\\@|@([-a-zA-Z0-9_]+)@')
-    elif format == 'cmake':
+    elif variable_format == 'cmake':
         regex = re.compile(r'(?:\\\\)+(?=\\?\$)|\\\${|\${([-a-zA-Z0-9_]+)}')
     else:
-        raise MesonException('Format "{}" not handled'.format(format))
+        raise MesonException('Format "{}" not handled'.format(variable_format))
 
     search_token = '#mesondefine'
-    if format != 'meson':
+    if variable_format != 'meson':
         search_token = '#cmakedefine'
 
     result = []
@@ -808,7 +808,7 @@ def do_conf_file(src, dst, confdata, format, encoding='utf-8'):
             confdata_useless = False
             line = do_mesondefine(line, confdata)
         else:
-            line, missing = do_replacement(regex, line, format, confdata)
+            line, missing = do_replacement(regex, line, variable_format, confdata)
             missing_variables.update(missing)
             if missing:
                 confdata_useless = False
diff --git a/mesonbuild/mesonmain.py b/mesonbuild/mesonmain.py
index 4326c2042..c94f1bf9d 100644
--- a/mesonbuild/mesonmain.py
+++ b/mesonbuild/mesonmain.py
@@ -41,41 +41,41 @@ class CommandLineParser:
         self.subparsers = self.parser.add_subparsers(title='Commands',
                                                      description='If no command is specified it defaults to setup command.')
         self.add_command('setup', msetup.add_arguments, msetup.run,
-                         help='Configure the project')
+                         help_msg='Configure the project')
         self.add_command('configure', mconf.add_arguments, mconf.run,
-                         help='Change project options',)
+                         help_msg='Change project options',)
         self.add_command('install', minstall.add_arguments, minstall.run,
-                         help='Install the project')
+                         help_msg='Install the project')
         self.add_command('introspect', mintro.add_arguments, mintro.run,
-                         help='Introspect project')
+                         help_msg='Introspect project')
         self.add_command('init', minit.add_arguments, minit.run,
-                         help='Create a new project')
+                         help_msg='Create a new project')
         self.add_command('test', mtest.add_arguments, mtest.run,
-                         help='Run tests')
+                         help_msg='Run tests')
         self.add_command('wrap', wraptool.add_arguments, wraptool.run,
-                         help='Wrap tools')
+                         help_msg='Wrap tools')
         self.add_command('subprojects', msubprojects.add_arguments, msubprojects.run,
-                         help='Manage subprojects')
+                         help_msg='Manage subprojects')
         self.add_command('help', self.add_help_arguments, self.run_help_command,
-                         help='Print help of a subcommand')
+                         help_msg='Print help of a subcommand')
         self.add_command('rewrite', lambda parser: rewriter.add_arguments(parser, self.formater), rewriter.run,
-                         help='Modify the project definition')
+                         help_msg='Modify the project definition')
 
         # Hidden commands
         self.add_command('runpython', self.add_runpython_arguments, self.run_runpython_command,
-                         help=argparse.SUPPRESS)
+                         help_msg=argparse.SUPPRESS)
         self.add_command('unstable-coredata', munstable_coredata.add_arguments, munstable_coredata.run,
-                         help=argparse.SUPPRESS)
+                         help_msg=argparse.SUPPRESS)
 
-    def add_command(self, name, add_arguments_func, run_func, help, aliases=None):
+    def add_command(self, name, add_arguments_func, run_func, help_msg, aliases=None):
         aliases = aliases or []
         # FIXME: Cannot have hidden subparser:
         # https://bugs.python.org/issue22848
-        if help == argparse.SUPPRESS:
+        if help_msg == argparse.SUPPRESS:
             p = argparse.ArgumentParser(prog='meson ' + name, formatter_class=self.formater)
             self.hidden_commands.append(name)
         else:
-            p = self.subparsers.add_parser(name, help=help, aliases=aliases, formatter_class=self.formater)
+            p = self.subparsers.add_parser(name, help=help_msg, aliases=aliases, formatter_class=self.formater)
         add_arguments_func(p)
         p.set_defaults(run_func=run_func)
         for i in [name] + aliases:
diff --git a/mesonbuild/minstall.py b/mesonbuild/minstall.py
index 04aba2fa7..ed82c3791 100644
--- a/mesonbuild/minstall.py
+++ b/mesonbuild/minstall.py
@@ -65,7 +65,7 @@ class DirMaker:
     def __enter__(self):
         return self
 
-    def __exit__(self, type, value, traceback):
+    def __exit__(self, exception_type, value, traceback):
         self.dirs.reverse()
         for d in self.dirs:
             append_to_log(self.lf, d)
diff --git a/mesonbuild/mlog.py b/mesonbuild/mlog.py
index e8ee6c826..21212829a 100644
--- a/mesonbuild/mlog.py
+++ b/mesonbuild/mlog.py
@@ -234,14 +234,14 @@ def exception(e: Exception, prefix: AnsiDecorator = red('ERROR:')) -> None:
 
 # Format a list for logging purposes as a string. It separates
 # all but the last item with commas, and the last with 'and'.
-def format_list(list_: typing.List[str]) -> str:
-    l = len(list_)
+def format_list(input_list: typing.List[str]) -> str:
+    l = len(input_list)
     if l > 2:
-        return ' and '.join([', '.join(list_[:-1]), list_[-1]])
+        return ' and '.join([', '.join(input_list[:-1]), input_list[-1]])
     elif l == 2:
-        return ' and '.join(list_)
+        return ' and '.join(input_list)
     elif l == 1:
-        return list_[0]
+        return input_list[0]
     else:
         return ''
 
diff --git a/mesonbuild/modules/python.py b/mesonbuild/modules/python.py
index a0ebe0eea..04941eaba 100644
--- a/mesonbuild/modules/python.py
+++ b/mesonbuild/modules/python.py
@@ -477,9 +477,9 @@ class PythonModule(ExtensionModule):
         ver = {'python2': '-2', 'python3': '-3'}[name_or_path]
         cmd = ['py', ver, '-c', "import sysconfig; print(sysconfig.get_config_var('BINDIR'))"]
         _, stdout, _ = mesonlib.Popen_safe(cmd)
-        dir = stdout.strip()
-        if os.path.exists(dir):
-            return os.path.join(dir, 'python')
+        directory = stdout.strip()
+        if os.path.exists(directory):
+            return os.path.join(directory, 'python')
         else:
             return None
 
diff --git a/mesonbuild/modules/windows.py b/mesonbuild/modules/windows.py
index e8d266e54..87a83fe26 100644
--- a/mesonbuild/modules/windows.py
+++ b/mesonbuild/modules/windows.py
@@ -59,7 +59,7 @@ class WindowsModule(ExtensionModule):
         if not rescomp.found():
             raise MesonException('Could not find Windows resource compiler')
 
-        for (arg, match, type) in [
+        for (arg, match, rc_type) in [
                 ('/?', '^.*Microsoft.*Resource Compiler.*$', ResourceCompilerType.rc),
                 ('--version', '^.*GNU windres.*$', ResourceCompilerType.windres),
         ]:
@@ -67,7 +67,7 @@ class WindowsModule(ExtensionModule):
             m = re.search(match, o, re.MULTILINE)
             if m:
                 mlog.log('Windows resource compiler: %s' % m.group())
-                self._rescomp = (rescomp, type)
+                self._rescomp = (rescomp, rc_type)
                 break
         else:
             raise MesonException('Could not determine type of Windows resource compiler')
diff --git a/mesonbuild/munstable_coredata.py b/mesonbuild/munstable_coredata.py
index aaf652300..795722254 100644
--- a/mesonbuild/munstable_coredata.py
+++ b/mesonbuild/munstable_coredata.py
@@ -51,7 +51,7 @@ def run(options):
               'change the working directory to it.')
         return 1
 
-    all = options.all
+    all_backends = options.all
 
     print('This is a dump of the internal unstable cache of meson. This is for debugging only.')
     print('Do NOT parse, this will change from version to version in incompatible ways')
@@ -64,18 +64,18 @@ def run(options):
             # use `meson configure` to view these
             pass
         elif k in ['install_guid', 'test_guid', 'regen_guid']:
-            if all or backend.startswith('vs'):
+            if all_backends or backend.startswith('vs'):
                 print(k + ': ' + v)
         elif k == 'target_guids':
-            if all or backend.startswith('vs'):
+            if all_backends or backend.startswith('vs'):
                 print(k + ':')
                 dump_guids(v)
         elif k in ['lang_guids']:
-            if all or backend.startswith('vs') or backend == 'xcode':
+            if all_backends or backend.startswith('vs') or backend == 'xcode':
                 print(k + ':')
                 dump_guids(v)
         elif k == 'meson_command':
-            if all or backend.startswith('vs'):
+            if all_backends or backend.startswith('vs'):
                 print('Meson command used in build file regeneration: ' + ' '.join(v))
         elif k == 'pkgconf_envvar':
             print('Last seen PKGCONFIG enviroment variable value: ' + v)
diff --git a/run_unittests.py b/run_unittests.py
index ab7ad0446..0cc1531db 100755
--- a/run_unittests.py
+++ b/run_unittests.py
@@ -2681,9 +2681,9 @@ int main(int argc, char **argv) {
         if ninja is None:
             raise unittest.SkipTest('This test currently requires ninja. Fix this once "meson build" works.')
         for lang in ('c', 'cpp'):
-            for type in ('executable', 'library'):
+            for target_type in ('executable', 'library'):
                 with tempfile.TemporaryDirectory() as tmpdir:
-                    self._run(self.meson_command + ['init', '--language', lang, '--type', type],
+                    self._run(self.meson_command + ['init', '--language', lang, '--type', target_type],
                               workdir=tmpdir)
                     self._run(self.setup_command + ['--backend=ninja', 'builddir'],
                               workdir=tmpdir)
diff --git a/setup.cfg b/setup.cfg
index 7a94d8535..d81878675 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -28,4 +28,6 @@ ignore =
     E722
     # W504: line break after binary operator
     W504
+    # A003: builtin class attribute
+    A003
 max-line-length = 120
diff --git a/sideci.yml b/sideci.yml
index 38eb811d1..af654574d 100644
--- a/sideci.yml
+++ b/sideci.yml
@@ -3,3 +3,4 @@ linter:
     version: 3
     plugins:
       - flake8-blind-except
+      - flake8-builtins