diff options
Diffstat (limited to 'coverage/files.py')
| -rw-r--r-- | coverage/files.py | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/coverage/files.py b/coverage/files.py index f016a32e..14d696b6 100644 --- a/coverage/files.py +++ b/coverage/files.py @@ -408,7 +408,7 @@ class PathAliases: result = result.rstrip(r"\/") + result_sep self.aliases.append((original_pattern, regex, result)) - def map(self, path): + def map(self, path, exists=os.path.exists): """Map `path` through the aliases. `path` is checked against all of the patterns. The first pattern to @@ -419,6 +419,9 @@ class PathAliases: The separator style in the result is made to match that of the result in the alias. + `exists` is a function to determine if the resulting path actually + exists. + Returns the mapped path. If a mapping has happened, this is a canonical path. If no mapping has happened, it is the original value of `path` unchanged. @@ -438,6 +441,8 @@ class PathAliases: dot_start = result.startswith(("./", ".\\")) and len(result) > 2 if new.startswith(("./", ".\\")) and not dot_start: new = new[2:] + if not exists(new): + continue self.debugfn( f"Matched path {path!r} to rule {original_pattern!r} -> {result!r}, " + f"producing {new!r}" @@ -455,7 +460,7 @@ class PathAliases: result = f"{dir1}{os.sep}" self.debugfn(f"Generating rule: {pattern!r} -> {result!r} using regex {regex!r}") self.aliases.append((pattern, re.compile(regex), result)) - return self.map(path) + return self.map(path, exists=exists) self.debugfn(f"No rules match, path {path!r} is unchanged") return path |