Adding upstream version 0.13.1.upstream/0.13.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 46 insertions, 0 deletions

diff --git a/gitlint/display.py b/gitlint/display.py
new file mode 100644
index 0000000..dd17ac0
--- /dev/null
+++ b/gitlint/display.py
@@ -0,0 +1,46 @@
+import codecs
+import locale
+from sys import stdout, stderr, version_info
+
+# For some reason, python 2.x sometimes messes up with printing unicode chars to stdout/stderr
+# This is mostly when there is a mismatch between the terminal encoding and the python encoding.
+# This use-case is primarily triggered when piping input between commands, in particular our integration tests
+# tend to trip over this.
+if version_info[0] == 2:
+    stdout = codecs.getwriter(locale.getpreferredencoding())(stdout)  # pylint: disable=invalid-name
+    stderr = codecs.getwriter(locale.getpreferredencoding())(stderr)  # pylint: disable=invalid-name
+
+
+class Display(object):
+    """ Utility class to print stuff to an output stream (stdout by default) based on the config's verbosity """
+
+    def __init__(self, lint_config):
+        self.config = lint_config
+
+    def _output(self, message, verbosity, exact, stream):
+        """ Output a message if the config's verbosity is >= to the given verbosity. If exact == True, the message
+        will only be outputted if the given verbosity exactly matches the config's verbosity. """
+        if exact:
+            if self.config.verbosity == verbosity:
+                stream.write(message + "\n")
+        else:
+            if self.config.verbosity >= verbosity:
+                stream.write(message + "\n")
+
+    def v(self, message, exact=False):  # pylint: disable=invalid-name
+        self._output(message, 1, exact, stdout)
+
+    def vv(self, message, exact=False):  # pylint: disable=invalid-name
+        self._output(message, 2, exact, stdout)
+
+    def vvv(self, message, exact=False):  # pylint: disable=invalid-name
+        self._output(message, 3, exact, stdout)
+
+    def e(self, message, exact=False):  # pylint: disable=invalid-name
+        self._output(message, 1, exact, stderr)
+
+    def ee(self, message, exact=False):  # pylint: disable=invalid-name
+        self._output(message, 2, exact, stderr)
+
+    def eee(self, message, exact=False):  # pylint: disable=invalid-name
+        self._output(message, 3, exact, stderr)