Codewars_Aufgabe:_VersionManager

src/Codewars_Exercises/Versions_manager.py

@@ -0,0 +1,47 @@
+class VersionManager:
+
+    def __init__(self, version="0.0.1"):
+        self.version = version
+        if self.version == "":
+            self.version = "0.0.1"
+        self.digits = self.version.split(sep=".")
+        while len(self.digits) < 3:
+            self.digits.append("0")
+        if not (
+            self.digits[0].isdecimal()
+            and self.digits[1].isdecimal()
+            and self.digits[2].isdecimal()
+        ):
+            raise Exception("Error occured while parsing version!")
+        self.MAJOR = int(self.digits[0])
+        self.MINOR = int(self.digits[1])
+        self.PATCH = int(self.digits[2])
+        self.history = []
+
+    def major(self):
+        self.history.append((self.MAJOR, self.MINOR, self.PATCH))
+        self.MAJOR += 1
+        self.MINOR = 0
+        self.PATCH = 0
+        return self
+
+    def minor(self):
+        self.history.append((self.MAJOR, self.MINOR, self.PATCH))
+        self.MINOR += 1
+        self.PATCH = 0
+        return self
+
+    def patch(self):
+        self.history.append((self.MAJOR, self.MINOR, self.PATCH))
+        self.PATCH += 1
+        return self
+
+    def rollback(self):
+        if len(self.history) < 1:
+            raise Exception("Cannot rollback!")
+        else:
+            self.MAJOR, self.MINOR, self.PATCH = self.history.pop()
+        return self
+
+    def release(self):
+        return f"{self.MAJOR}.{self.MINOR}.{self.PATCH}"