1 files changed, 33 insertions, 0 deletions
diff --git a/python/mozlint/mozlint/formatters/unix.py b/python/mozlint/mozlint/formatters/unix.py
new file mode 100644
index 0000000000..ae096f3e2e
--- /dev/null
+++ b/python/mozlint/mozlint/formatters/unix.py
@@ -0,0 +1,33 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import attr
+
+from ..result import Issue
+
+
+class UnixFormatter(object):
+    """Formatter that respects Unix output conventions frequently
+    employed by preprocessors and compilers.  The format is
+    `<FILENAME>:<LINE>[:<COL>]: <RULE> <LEVEL>: <MESSAGE>`.
+
+    """
+
+    fmt = "{path}:{lineno}:{column} {rule} {level}: {message}"
+
+    def __call__(self, result):
+        msg = []
+
+        for path, errors in sorted(result.issues.items()):
+            for err in errors:
+                assert isinstance(err, Issue)
+
+                slots = attr.asdict(err)
+                slots["path"] = slots["relpath"]
+                slots["column"] = "%d:" % slots["column"] if slots["column"] else ""
+                slots["rule"] = slots["rule"] or slots["linter"]
+
+                msg.append(self.fmt.format(**slots))
+
+        return "\n".join(msg)