Add PythonDepManager plugin (#563)

plugins/PythonDepManager/flush.py

@@ -0,0 +1,15 @@
+import log
+import shutil
+from deps import get_base_folder
+
+
+def flush_dependencies() -> None:
+    """Delete all dependencies in the base folder"""
+    # get working directory
+    plugin_folder = get_base_folder()
+    log.info(f"Flushing dependencies from {plugin_folder}")
+    shutil.rmtree(plugin_folder)
+
+
+if __name__ == "__main__":
+    flush_dependencies()