From 093d92d31ba44c854873767d28c03b797d913c17 Mon Sep 17 00:00:00 2001
From: Krassimir Valev <Krassimir.Valev@bmw.de>
Date: Tue, 19 Jan 2021 16:02:05 +0200
Subject: [PATCH] Support regex patterns in module names

---
 coverage/files.py   | 3 ++-
 tests/test_files.py | 6 +++++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/coverage/files.py b/coverage/files.py
index 59b2bd61d..468d442eb 100644
--- a/coverage/files.py
+++ b/coverage/files.py
@@ -242,6 +242,7 @@ class ModuleMatcher(object):
     """A matcher for modules in a tree."""
     def __init__(self, module_names):
         self.modules = list(module_names)
+        self.pattern = fnmatches_to_regex(module_names)
 
     def __repr__(self):
         return "<ModuleMatcher %r>" % (self.modules)
@@ -263,7 +264,7 @@ def match(self, module_name):
                     # This is a module in the package
                     return True
 
-        return False
+        return bool(self.pattern.match(module_name))
 
 
 class FnmatchMatcher(object):
diff --git a/tests/test_files.py b/tests/test_files.py
index 84e25f107..673a955ad 100644
--- a/tests/test_files.py
+++ b/tests/test_files.py
@@ -187,8 +187,12 @@ def test_module_matcher(self):
             ('__main__', False),
             ('mymain', True),
             ('yourmain', False),
+            ('pkg', True),
+            ('pkg.main', True),
+            ('pkg2', True),
+            ('apkg', False),
         ]
-        modules = ['test', 'py.test', 'mymain']
+        modules = ['test', 'py.test', 'mymain', 'pkg*']
         mm = ModuleMatcher(modules)
         self.assertEqual(
             mm.info(),