Split ssh_audit.py into separate files (#47).

src/ssh_audit/outputbuffer.py

@@ -0,0 +1,50 @@
+"""
+   The MIT License (MIT)
+
+   Copyright (C) 2017-2020 Joe Testa (jtesta@positronsecurity.com)
+   Copyright (C) 2017 Andris Raugulis (moo@arthepsy.eu)
+
+   Permission is hereby granted, free of charge, to any person obtaining a copy
+   of this software and associated documentation files (the "Software"), to deal
+   in the Software without restriction, including without limitation the rights
+   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+   copies of the Software, and to permit persons to whom the Software is
+   furnished to do so, subject to the following conditions:
+
+   The above copyright notice and this permission notice shall be included in
+   all copies or substantial portions of the Software.
+
+   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+   THE SOFTWARE.
+"""
+import io
+import sys
+
+# pylint: disable=unused-import
+from typing import Dict, List, Set, Sequence, Tuple, Iterable  # noqa: F401
+from typing import Callable, Optional, Union, Any  # noqa: F401
+
+
+class OutputBuffer(List[str]):
+    def __enter__(self) -> 'OutputBuffer':
+        # pylint: disable=attribute-defined-outside-init
+        self.__buf = io.StringIO()
+        self.__stdout = sys.stdout
+        sys.stdout = self.__buf
+        return self
+
+    def flush(self, sort_lines: bool = False) -> None:
+        # Lines must be sorted in some cases to ensure consistent testing.
+        if sort_lines:
+            self.sort()  # pylint: disable=no-member
+        for line in self:  # pylint: disable=not-an-iterable
+            print(line)
+
+    def __exit__(self, *args: Any) -> None:
+        self.extend(self.__buf.getvalue().splitlines())  # pylint: disable=no-member
+        sys.stdout = self.__stdout