You can include files in the Python installation, and they will be measured.

1 files changed, 8 insertions, 6 deletions

diff --git a/coverage/control.py b/coverage/control.py
index 5ca1ef9..4ba3a03 100644
--- a/coverage/control.py
+++ b/coverage/control.py
@@ -248,12 +248,16 @@ class coverage(object):
 
         canonical = self.file_locator.canonical_filename(filename)
 
-        # If the user specified source, then that's authoritative about what to
-        # measure.  If they didn't, then we have to exclude the stdlib and
-        # coverage.py directories.
+        # If the user specified source or include, then that's authoritative
+        # about the outer bound of what to measure and we don't have to apply
+        # any canned exclusions. If they didn't, then we have to exclude the
+        # stdlib and coverage.py directories.
         if self.source_match:
             if not self.source_match.match(canonical):
                 return False
+        elif self.include_match:
+            if not self.include_match.match(canonical):
+                return False
         else:
             # If we aren't supposed to trace installed code, then check if this
             # is near the Python standard library and skip it if so.
@@ -265,9 +269,7 @@ class coverage(object):
             if self.cover_match and self.cover_match.match(canonical):
                 return False
 
-        # Check the file against the include and omit patterns.
-        if self.include_match and not self.include_match.match(canonical):
-            return False
+        # Check the file against the omit pattern.
         if self.omit_match and self.omit_match.match(canonical):
             return False