1 files changed, 49 insertions, 0 deletions
diff --git a/src/ipm/utils/version.py b/src/ipm/utils/version.py
new file mode 100644
index 0000000..6088d1c
--- /dev/null
+++ b/src/ipm/utils/version.py
@@ -0,0 +1,49 @@
+import re
+
+
+def require_update(old_version: str, new_version: str):
+    regex = r"^(\d+)\.(\d+)\.(\d+)(.*?)?(\d+?)?$"
+
+    old_tuple = re.match(regex, old_version)
+    new_tuple = re.match(regex, new_version)
+
+    old_tuple_main = tuple(map(int, filter(None, old_tuple.group(1, 2, 3))))
+    new_tuple_main = tuple(map(int, filter(None, new_tuple.group(1, 2, 3))))
+
+    new_length = len(list(filter(None, new_tuple.groups())))
+    old_length = len(list(filter(None, old_tuple.groups())))
+
+    if old_length == 5:
+        old_pre_release = old_tuple.group(4)[0]
+        old_pre_version = int(old_tuple.group(5))
+    elif old_length == 3:
+        old_pre_release = "s"
+        old_pre_version = 1
+    else:
+        return False
+
+    if new_length == 5:
+        new_pre_release = new_tuple.group(4)[0]
+        new_pre_version = int(new_tuple.group(5))
+    elif new_length == 3:
+        new_pre_release = "s"
+        new_pre_version = 1
+    else:
+        return False
+
+    if old_tuple_main < new_tuple_main:
+        return True
+    elif old_tuple_main > new_tuple_main:
+        return False
+    elif old_tuple_main == new_tuple_main:
+        if old_pre_release < new_pre_release:
+            return True
+        elif old_pre_release > new_pre_release:
+            return False
+        elif old_pre_release == new_pre_release:
+            if old_pre_version < new_pre_version:
+                return True
+            elif old_pre_version > new_pre_version:
+                return False
+            elif old_pre_version == new_pre_version:
+                return False