Feed the hobgoblins (delint).

setuptools/wheel.py

@@ -20,7 +20,7 @@ WHEEL_NAME = re.compile(
     r"""^(?P<project_name>.+?)-(?P<version>\d.*?)
     ((-(?P<build>\d.*?))?-(?P<py_version>.+?)-(?P<abi>.+?)-(?P<platform>.+?)
     )\.whl$""",
-re.VERBOSE).match
+    re.VERBOSE).match
 
 NAMESPACE_PACKAGE_INIT = '''\
 try:
@@ -95,16 +95,21 @@ class Wheel(object):
             dist_basename = '%s-%s' % (self.project_name, self.version)
             dist_info = self.get_dist_info(zf)
             dist_data = '%s.data' % dist_basename
+
             def get_metadata(name):
                 with zf.open(posixpath.join(dist_info, name)) as fp:
                     value = fp.read().decode('utf-8') if PY3 else fp.read()
                     return email.parser.Parser().parsestr(value)
             wheel_metadata = get_metadata('WHEEL')
-            dist_metadata = get_metadata('METADATA')
             # Check wheel format version is supported.
             wheel_version = parse_version(wheel_metadata.get('Wheel-Version'))
-            if not parse_version('1.0') <= wheel_version < parse_version('2.0dev0'):
-                raise ValueError('unsupported wheel format version: %s' % wheel_version)
+            wheel_v1 = (
+                parse_version('1.0') <= wheel_version
+                < parse_version('2.0dev0')
+            )
+            if not wheel_v1:
+                raise ValueError(
+                    'unsupported wheel format version: %s' % wheel_version)
             # Extract to target directory.
             os.mkdir(destination_eggdir)
             zf.extractall(destination_eggdir)
@@ -114,8 +119,9 @@ class Wheel(object):
                 destination_eggdir, dist_info,
                 metadata=PathMetadata(destination_eggdir, dist_info)
             )
-            # Note: we need to evaluate and strip markers now,
-            # as we can't easily convert back from the syntax:
+
+            # Note: Evaluate and strip markers now,
+            # as it's difficult to convert back from the syntax:
             # foobar; "linux" in sys_platform and extra == 'test'
             def raw_req(req):
                 req.marker = None
@@ -163,13 +169,16 @@ class Wheel(object):
             if os.path.exists(dist_data):
                 os.rmdir(dist_data)
             # Fix namespace packages.
-            namespace_packages = os.path.join(egg_info, 'namespace_packages.txt')
+            namespace_packages = os.path.join(
+                egg_info, 'namespace_packages.txt')
             if os.path.exists(namespace_packages):
                 with open(namespace_packages) as fp:
                     namespace_packages = fp.read().split()
                 for mod in namespace_packages:
                     mod_dir = os.path.join(destination_eggdir, *mod.split('.'))
                     mod_init = os.path.join(mod_dir, '__init__.py')
-                    if os.path.exists(mod_dir) and not os.path.exists(mod_init):
+                    if (
+                            os.path.exists(mod_dir)
+                            and not os.path.exists(mod_init)):
                         with open(mod_init, 'w') as fp:
                             fp.write(NAMESPACE_PACKAGE_INIT)