Adjustments for flake8 3.8.x

flake8_html/plugin.py

@@ -13,6 +13,7 @@
 import codecs
 import datetime
 import pkgutil
+import sys
 
 from operator import attrgetter
 from collections import namedtuple, Counter
@@ -24,6 +25,11 @@
 from flake8.formatting import base
 from jinja2 import Environment, PackageLoader, Markup
 
+if sys.version_info >= (3, 8):
+    import importlib.metadata as importlib_metadata
+else:
+    import importlib_metadata
+
 
 jinja2_env = Environment(
     loader=PackageLoader('flake8_html')
@@ -67,6 +73,9 @@ def find_severity(code):
 class HTMLPlugin(base.BaseFormatter):
     """A plugin for flake8 to render errors as HTML reports."""
 
+    name = 'flake8-html'
+    version = importlib_metadata.version('flake8-html')
+
     def after_init(self):
         """Configure the plugin run."""
         self.report_template = jinja2_env.get_template('file-report.html')

setup.py

@@ -13,7 +13,8 @@
 requirements = [
     'jinja2>=2.9.0',
     'pygments>=2.2.0',
-    'flake8>=3.3.0'
+    'flake8>=3.3.0',
+    'importlib-metadata;python_version<"3.8"',
 ]
 
 test_requirements = [

tests/test_flake8_html.py

@@ -49,8 +49,9 @@ def chdir(dest):
 
 def test_report(bad_sourcedir, tmpdir):
     """Test that a report on a bad file creates the expected files."""
-    with chdir(bad_sourcedir):
+    with chdir(bad_sourcedir), pytest.raises(SystemExit) as excinfo:
         main(['--exit-zero', '--format=html', '--htmldir=%s' % tmpdir, '.'])
+    assert excinfo.value.code == 0
     names = ('index.html', 'styles.css', 'bad.report.html', 'bad.source.html')
     written = os.listdir(str(tmpdir))
     for n in names: