Create utils.py

Tools/utils.py

@@ -0,0 +1,26 @@
+import os, subprocess
+
+
+def check_file_exists(path):
+    """
+    Checks if a file exists or not.
+    """
+    return os.path.isfile(path)
+
+
+def check_dir_exists(path):
+    """
+    Checks if a folder exists or not.
+    """
+    return os.path.isdir(path)
+
+
+def run_command(*args, **kwargs):
+    """
+    Runs an os command using subprocess module.
+    """
+    redirect_out = list(map(str.strip, " ".join(args).split(" > ")))
+    if len(redirect_out) > 1:
+        args, filepath = redirect_out[0].split(), redirect_out[-1]
+        kwargs.update(stdout=open(filepath, "w"))
+    return subprocess.call(args, **kwargs)