Remove factor negation support

2 files changed, 9 insertions, 9 deletions

diff --git a/tests/test_config.py b/tests/test_config.py
index 28afa6c..fc429a4 100644
--- a/tests/test_config.py
+++ b/tests/test_config.py
@@ -835,20 +835,20 @@ class TestConfigTestEnv:
     def test_factors(self, newconfig):
         inisource="""
             [tox]
-            envlist = a,b
+            envlist = a-x,b
 
             [testenv]
             deps=
                 dep-all
                 a: dep-a
                 b: dep-b
-                !a: dep-not-a
+                x: dep-x
         """
         conf = newconfig([], inisource)
         configs = conf.envconfigs
-        assert [dep.name for dep in configs['a'].deps] == ["dep-all", "dep-a"]
-        assert [dep.name for dep in configs['b'].deps] == \
-            ["dep-all", "dep-b", "dep-not-a"]
+        assert [dep.name for dep in configs['a-x'].deps] == \
+            ["dep-all", "dep-a", "dep-x"]
+        assert [dep.name for dep in configs['b'].deps] == ["dep-all", "dep-b"]
 
     def test_default_factors(self, newconfig):
         inisource="""
diff --git a/tox/_config.py b/tox/_config.py
index 6e8e706..2503962 100644
--- a/tox/_config.py
+++ b/tox/_config.py
@@ -302,7 +302,7 @@ class parseini:
         factors = set()
         if section in self._cfg:
             for _, value in self._cfg[section].items():
-                factors.update(re.findall(r'^!?(\w+)\:\s+', value, re.M))
+                factors.update(re.findall(r'^(\w+)\:\s+', value, re.M))
         return factors
 
     def _makeenvconfig(self, name, section, subs, config):
@@ -628,12 +628,12 @@ class IniReader:
 
     def _apply_factors(self, s):
         def factor_line(line):
-            m = re.search(r'^(!)?(\w+)\:\s+(.+)', line)
+            m = re.search(r'^(\w+)\:\s+(.+)', line)
             if not m:
                 return line
 
-            negate, factor, line = m.groups()
-            if bool(negate) ^ (factor in self.factors):
+            factor, line = m.groups()
+            if factor in self.factors:
                 return line
 
         lines = s.strip().splitlines()