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-rw-r--r--docs/source/release-notes/3.0.3.rst6
-rw-r--r--src/flake8/formatting/base.py2
2 files changed, 7 insertions, 1 deletions
diff --git a/docs/source/release-notes/3.0.3.rst b/docs/source/release-notes/3.0.3.rst
index 0361879..1c23c8e 100644
--- a/docs/source/release-notes/3.0.3.rst
+++ b/docs/source/release-notes/3.0.3.rst
@@ -10,9 +10,15 @@
- Fix issue where users were unable to ignore plugin errors that were on
by default. (See also `GitLab#195`_)
+- Always open our output file in append mode so we do not overwrite log
+ messages. (See also `GitLab#193`_)
+
+
.. links
.. _GitLab#178:
https://gitlab.com/pycqa/flake8/issues/178
+.. _GitLab#193:
+ https://gitlab.com/pycqa/flake8/issues/193
.. _GitLab#195:
https://gitlab.com/pycqa/flake8/issues/195
diff --git a/src/flake8/formatting/base.py b/src/flake8/formatting/base.py
index 336bf50..97c60e1 100644
--- a/src/flake8/formatting/base.py
+++ b/src/flake8/formatting/base.py
@@ -50,7 +50,7 @@ class BaseFormatter(object):
This defaults to initializing :attr:`output_fd` if :attr:`filename`
"""
if self.filename:
- self.output_fd = open(self.filename, 'w')
+ self.output_fd = open(self.filename, 'a')
def handle(self, error):
"""Handle an error reported by Flake8.