1 files changed, 82 insertions, 0 deletions
diff --git a/src/sliceitoff/settings/settings.py b/src/sliceitoff/settings/settings.py
new file mode 100644
index 0000000..cf588b7
--- /dev/null
+++ b/src/sliceitoff/settings/settings.py
@@ -0,0 +1,82 @@
+""" settings.settings - handles settings reading, updating and writing """
+import os
+from pathlib import Path
+from .static import DEFAULT_SETTINGS
+
+class Settings:
+    def __init__(self, filename = None):
+        self.settings=[]
+        if filename:
+            self.config_filename = filename
+        else:
+            if os.name == 'nt':
+                self.config_filename = (Path.home().resolve()
+                        .joinpath('sliceitoff.cfg'))
+            else:
+                self.config_filename = (Path.home().resolve()
+                        .joinpath('.config').joinpath('sliceitoffrc'))
+        if not self.config_filename.is_file():
+            self.settings=DEFAULT_SETTINGS[:]
+            return
+        with open(self.config_filename, "r", encoding="utf-8") as config_file:
+            for line in config_file:
+                entry = self.validate_line(line)
+                if not entry:
+                    continue
+                self.settings.append(entry)
+
+    def validate_line(self, line):
+        if not line or line[0] == '#':
+            return None
+        data = line.split('=')
+        if len(data) != 2:
+            return None
+        return data[0], data[1]
+
+    def get_values(self, option):
+        return [x[1] for x in self.settings if x[0]==option]
+
+    def put_values(self, option, values):
+        for x in values:
+            self.put_value(option, x)
+
+    def remove_values(self, option):
+        for x in self.settings[:]:
+            if x[0]==option:
+                self.settings.remove(x)
+
+    def replace_values(self, option, values):
+        self.remove_values(option)
+        self.put_values(option, values)
+
+    def get_value(self, option):
+        v = self.get_values(option)
+        if not v:
+            return None
+        return v
+
+    def get_value_or_default(self, option):
+        v = self.get_values(option)
+        if v:
+            return v
+        return [x[1] for x in DEFAULT_SETTINGS if x[0]==option][1]
+
+    def put_value(self, option, value):
+        self.settings.append((option, value))
+
+    def replace_value(self, option, value):
+        self.remove_values(option)
+        self.put_value(option, value)
+
+    def save(self):
+        with open(self.config_filename, 'w', encoding="utf-8") as config_file:
+            for option, value in self.settings:
+                config_file.write(f"{option}={value}\n")
+
+# Initialize only one time
+try:
+    # pylint: disable = used-before-assignment
+    # This is intented behaviour
+    settings
+except NameError:
+    settings = Settings()