diff --git a/libs/apt.py b/libs/apt.py
new file mode 100644
index 0000000..4cb8030
--- /dev/null
+++ b/libs/apt.py
@@ -0,0 +1,50 @@
+# https://manpages.debian.org/jessie/apt/sources.list.5.de.html
+from urllib.parse import urlparse
+from re import search, sub
+
+
+class AptSource():
+    def __init__(self, string):
+        self.options = {
+            k:v.split('=') for k,v in (
+                e.split('=') for e in search(r'\[(.*)\]', string)[1].split()
+            )
+        }
+        parts = sub(r'\[.*\]', '', string).split()
+        self.type = parts[0]
+        self.url = urlparse(parts[1])
+        self.suite = parts[2]
+        self.components = parts[3:]
+    
+    def render(self):
+        parts = [
+            self.type,
+            self.url.geturl(),
+            self.suite,
+            ' '.join(self.components),
+        ]
+
+        if self.options:
+            parts.insert(
+                1,
+                "[{}]".format(
+                    ' '.join(
+                        '{}={}'.format(
+                            k,
+                            ','.join(v)
+                        ) for k,v in self.options.items()
+                    )
+                )
+            )
+        
+        return ' '.join(parts)
+
+# source = AptSource('deb [arch=amd64 trusted=true] http://deb.debian.org/debian buster-backports main contrib non-free')
+# print(repr(source))
+# print(source.type)
+# print(source.options)
+# source.options['test'] = ['was', 'ist', 'das']
+# print(source.url)
+# print(source.suite)
+# print(source.components)
+# print(source.render())