Some fixes for new PyLint

platformio/__main__.py

@@ -37,16 +37,16 @@ def list_commands(self, ctx):
         cmds.sort()
         return cmds
 
-    def get_command(self, ctx, name):
+    def get_command(self, ctx, cmd_name):
         mod = None
         try:
-            mod = __import__("platformio.commands." + name, None, None,
+            mod = __import__("platformio.commands." + cmd_name, None, None,
                              ["cli"])
         except ImportError:
             try:
-                return self._handle_obsolate_command(name)
+                return self._handle_obsolate_command(cmd_name)
             except AttributeError:
-                raise click.UsageError('No such command "%s"' % name, ctx)
+                raise click.UsageError('No such command "%s"' % cmd_name, ctx)
         return mod.cli
 
     @staticmethod

platformio/app.py

@@ -156,7 +156,7 @@ def __enter__(self):
                 found = True
                 if isfile(path):
                     remove(path)
-                    if not len(listdir(dirname(path))):
+                    if not listdir(dirname(path)):
                         util.rmtree_(dirname(path))
 
         if found and self._lock_dbindex():
@@ -228,7 +228,7 @@ def set(self, key, data, valid):
         if not isdir(dirname(cache_path)):
             os.makedirs(dirname(cache_path))
         with open(cache_path, "wb") as fp:
-            if isinstance(data, dict) or isinstance(data, list):
+            if isinstance(data, (dict, list)):
                 json.dump(data, fp)
             else:
                 fp.write(str(data))

platformio/builder/tools/piomisc.py

@@ -252,8 +252,7 @@ def _lookup_in_ldpath(script):
 def VerboseAction(_, act, actstr):
     if int(ARGUMENTS.get("PIOVERBOSE", 0)):
         return act
-    else:
-        return Action(act, actstr)
+    return Action(act, actstr)
 
 
 def PioClean(env, clean_dir):

platformio/builder/tools/platformio.py

@@ -186,7 +186,7 @@ def _append_build_item(items, item, src_dir):
 
     src_dir = env.subst(src_dir)
     src_filter = src_filter or SRC_FILTER_DEFAULT
-    if isinstance(src_filter, list) or isinstance(src_filter, tuple):
+    if isinstance(src_filter, (list, tuple)):
         src_filter = " ".join(src_filter)
 
     matches = set()

platformio/commands/lib.py

@@ -295,14 +295,14 @@ def lib_builtin(storage, json_output):
     if json_output:
         return click.echo(json.dumps(items))
 
-    for storage in items:
-        if not storage['items']:
+    for storage_ in items:
+        if not storage_['items']:
             continue
-        click.secho(storage['name'], fg="green")
-        click.echo("*" * len(storage['name']))
+        click.secho(storage_['name'], fg="green")
+        click.echo("*" * len(storage_['name']))
         click.echo()
 
-        for item in sorted(storage['items'], key=lambda i: i['name']):
+        for item in sorted(storage_['items'], key=lambda i: i['name']):
             print_lib_item(item)
 
 

platformio/exception.py

@@ -20,8 +20,7 @@ class PlatformioException(Exception):
     def __str__(self):  # pragma: no cover
         if self.MESSAGE:
             return self.MESSAGE.format(*self.args)
-        else:
-            return Exception.__str__(self)
+        return Exception.__str__(self)
 
 
 class ReturnErrorCode(PlatformioException):

platformio/managers/package.py

@@ -69,8 +69,7 @@ def next(self):
 
         if self.package in manifest:
             return manifest[self.package]
-        else:
-            return self.next()
+        return self.next()
 
 
 class PkgRepoMixin(object):

platformio/managers/platform.py

@@ -63,7 +63,7 @@ def install(self,
                 skip_default_package=False,
                 trigger_event=True,
                 silent=False,
-                **_):  # pylint: disable=too-many-arguments
+                **_):  # pylint: disable=too-many-arguments, arguments-differ
         platform_dir = BasePkgManager.install(
             self, name, requirements, silent=silent)
         p = PlatformFactory.newPlatform(platform_dir)
@@ -305,9 +305,7 @@ def get_package_dir(self, name):
         version = self.packages[name].get("version", "")
         if self.is_valid_requirements(version):
             return self.pm.get_package_dir(name, version)
-        else:
-            return self.pm.get_package_dir(*self._parse_pkg_input(name,
-                                                                  version))
+        return self.pm.get_package_dir(*self._parse_pkg_input(name, version))
 
     def get_package_version(self, name):
         pkg_dir = self.get_package_dir(name)

platformio/util.py

@@ -46,7 +46,7 @@ class ProjectConfig(ConfigParser):
 
     VARTPL_RE = re.compile(r"\$\{([^\.\}]+)\.([^\}]+)\}")
 
-    def items(self, section, **_):
+    def items(self, section, **_):  # pylint: disable=arguments-differ
         items = []
         for option in ConfigParser.options(self, section):
             items.append((option, self.get(section, option)))
@@ -130,10 +130,9 @@ def __call__(self, *args):
             return self.func(*args)
         if args in self.cache:
             return self.cache[args]
-        else:
-            value = self.func(*args)
-            self.cache[args] = value
-            return value
+        value = self.func(*args)
+        self.cache[args] = value
+        return value
 
     def __repr__(self):
         '''Return the function's docstring.'''

tox.ini

@@ -21,10 +21,9 @@ usedevelop = True
 deps =
     isort
     flake8
-    yapf
+    yapf<0.16
     pylint
     pytest
-    show
 commands = python --version
 
 [testenv:docs]