diff options
Diffstat (limited to 'coverage/control.py')
| -rw-r--r-- | coverage/control.py | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/coverage/control.py b/coverage/control.py index 6e18b058..f947816b 100644 --- a/coverage/control.py +++ b/coverage/control.py @@ -98,15 +98,22 @@ class coverage(object): # The prefix for files considered "installed with the interpreter". if not self.config.cover_pylib: + # Look at where the "os" module is located. That's the indication + # for "installed with the interpreter". os_file = self.file_locator.canonical_filename(os.__file__) self.pylib_prefix = os.path.split(os_file)[0] + # To avoid tracing the coverage code itself, we skip anything located + # where we are. here = self.file_locator.canonical_filename(__file__) self.cover_prefix = os.path.split(here)[0] def _should_trace(self, filename, frame): """Decide whether to trace execution in `filename` + This function is called from the trace function. As each new file name + is encountered, this function determines whether it is traced or not. + Returns a canonicalized filename if it should be traced, False if it should not. |