diff options
Diffstat (limited to 'coverage/data.py')
| -rw-r--r-- | coverage/data.py | 29 |
1 files changed, 14 insertions, 15 deletions
diff --git a/coverage/data.py b/coverage/data.py index 1d5c5073..00d5b309 100644 --- a/coverage/data.py +++ b/coverage/data.py @@ -21,17 +21,24 @@ class CoverageData: # Environment variable naming the data file. filename_env = "COVERAGE_FILE" - def __init__(self, collector=None): + def __init__(self, basename=None, suffix=None, collector=None): """Create a CoverageData. - `collector` is a string describing the coverage measurement software. + `basename` is the name of the file to use for storing data. + `suffix` is a suffix to append to the base file name. This can be used + for multiple or parallel execution, so that many coverage data files + can exist simultaneously. + + `collector` is a string describing the coverage measurement software. + """ + self.basename = basename self.collector = collector + self.suffix = suffix self.use_file = True self.filename = None - self.suffix = None # A map from canonical Python source file name to a dictionary in # which there's an entry for each line number that has been @@ -48,23 +55,15 @@ class CoverageData: """Set whether or not to use a disk file for data.""" self.use_file = use_file - def set_suffix(self, suffix): - """Set a suffix to use for the data file name. - - This can be used for multiple or parallel execution, so that many - coverage data files can exist simultaneously. - - """ - self.suffix = suffix - def _make_filename(self): """Construct the filename that will be used for data file storage.""" assert self.use_file if not self.filename: - self.filename = os.environ.get( - self.filename_env, self.filename_default) + self.filename = (self.basename or + os.environ.get(self.filename_env, self.filename_default)) + if self.suffix: - self.filename += "." + self.suffix + self.filename += self.suffix def read(self): """Read coverage data from the coverage data file (if it exists).""" |