1 files changed, 54 insertions, 0 deletions
diff --git a/pywal/util.py b/pywal/util.py
new file mode 100644
index 0000000..061c94e
--- /dev/null
+++ b/pywal/util.py
@@ -0,0 +1,54 @@
+"""
+Misc helper functions.
+"""
+import os
+import pathlib
+import subprocess
+import shutil
+
+from pywal import settings as s
+
+
+def read_file(input_file):
+    """Read colors from a file."""
+    return open(input_file).read().splitlines()
+
+
+def save_file(colors, export_file):
+    """Write the colors to the file."""
+    with open(export_file, "w") as file:
+        file.write(colors)
+
+
+def create_cache_dir():
+    """Alias to create the cache dir."""
+    pathlib.Path(s.CACHE_DIR / "schemes").mkdir(parents=True, exist_ok=True)
+
+
+def hex_to_rgb(color):
+    """Convert a hex color to rgb."""
+    red, green, blue = list(bytes.fromhex(color.strip("#")))
+    return f"{red},{green},{blue}"
+
+
+def fix_escape(string):
+    """Decode a string."""
+    return bytes(string, "utf-8").decode("unicode_escape")
+
+
+def notify(msg):
+    """Send arguements to notify-send."""
+    if shutil.which("notify-send") and s.Args.notify:
+        subprocess.Popen(["notify-send", msg],
+                         stdout=subprocess.DEVNULL,
+                         stderr=subprocess.DEVNULL,
+                         preexec_fn=os.setpgrp)
+
+
+def disown(*cmd):
+    """Call a system command in the background,
+       disown it and hide it's output."""
+    subprocess.Popen(["nohup"] + list(cmd),
+                     stdout=subprocess.DEVNULL,
+                     stderr=subprocess.DEVNULL,
+                     preexec_fn=os.setpgrp)