Removed the Requirement to Install Python and NodeJS (Now Bundled with Borealis)

Dependencies/Python/Lib/unittest/_log.py

@@ -0,0 +1,86 @@
+import logging
+import collections
+
+from .case import _BaseTestCaseContext
+
+
+_LoggingWatcher = collections.namedtuple("_LoggingWatcher",
+                                         ["records", "output"])
+
+class _CapturingHandler(logging.Handler):
+    """
+    A logging handler capturing all (raw and formatted) logging output.
+    """
+
+    def __init__(self):
+        logging.Handler.__init__(self)
+        self.watcher = _LoggingWatcher([], [])
+
+    def flush(self):
+        pass
+
+    def emit(self, record):
+        self.watcher.records.append(record)
+        msg = self.format(record)
+        self.watcher.output.append(msg)
+
+
+class _AssertLogsContext(_BaseTestCaseContext):
+    """A context manager for assertLogs() and assertNoLogs() """
+
+    LOGGING_FORMAT = "%(levelname)s:%(name)s:%(message)s"
+
+    def __init__(self, test_case, logger_name, level, no_logs):
+        _BaseTestCaseContext.__init__(self, test_case)
+        self.logger_name = logger_name
+        if level:
+            self.level = logging._nameToLevel.get(level, level)
+        else:
+            self.level = logging.INFO
+        self.msg = None
+        self.no_logs = no_logs
+
+    def __enter__(self):
+        if isinstance(self.logger_name, logging.Logger):
+            logger = self.logger = self.logger_name
+        else:
+            logger = self.logger = logging.getLogger(self.logger_name)
+        formatter = logging.Formatter(self.LOGGING_FORMAT)
+        handler = _CapturingHandler()
+        handler.setLevel(self.level)
+        handler.setFormatter(formatter)
+        self.watcher = handler.watcher
+        self.old_handlers = logger.handlers[:]
+        self.old_level = logger.level
+        self.old_propagate = logger.propagate
+        logger.handlers = [handler]
+        logger.setLevel(self.level)
+        logger.propagate = False
+        if self.no_logs:
+            return
+        return handler.watcher
+
+    def __exit__(self, exc_type, exc_value, tb):
+        self.logger.handlers = self.old_handlers
+        self.logger.propagate = self.old_propagate
+        self.logger.setLevel(self.old_level)
+
+        if exc_type is not None:
+            # let unexpected exceptions pass through
+            return False
+
+        if self.no_logs:
+            # assertNoLogs
+            if len(self.watcher.records) > 0:
+                self._raiseFailure(
+                    "Unexpected logs found: {!r}".format(
+                        self.watcher.output
+                    )
+                )
+
+        else:
+            # assertLogs
+            if len(self.watcher.records) == 0:
+                self._raiseFailure(
+                    "no logs of level {} or higher triggered on {}"
+                    .format(logging.getLevelName(self.level), self.logger.name))