Updated increment_version.py to not overwrite the first lines with comments.

Author: notactuallyfinn

increment_version.py

@@ -1,25 +1,47 @@
 import toml
+import os
 
 def main():
-    with open("pyproject.toml", 'r+') as f:
-        data = toml.load(f)
-        project = data.get("project")
-        if not project is None:
-            version = project.get("version")
-            if not version is None:
-                a,b,c = map(int, version.split("."))
-                if c < 99:
-                    c += 1
-                elif b < 99:
-                    c = 0
-                    b += 1
+    try:
+        os.rename("pyproject.toml", "pyproject.txt")
+        with open("pyproject.txt", 'r+') as f:
+            comment = []
+            while True:
+                line = f.readline()
+                if line[0] == "#":
+                    comment = [line] + comment
                 else:
-                    c = 0
-                    b = 0
-                    a += 1
-                data["project"]["version"] = str(a) + "." + str(b) + "." + str(c)
-    if not data == {}:
-        with open("pyproject.toml", 'w') as f:
-            toml.dump(data, f)
+                    break
+        os.rename("pyproject.txt", "pyproject.toml")
+        with open("pyproject.toml", 'r+') as f:
+            data = toml.load(f)
+            project = data.get("project")
+            if not project is None:
+                version = project.get("version")
+                if not version is None:
+                    a,b,c = map(int, version.split("."))
+                    if c < 99:
+                        c += 1
+                    elif b < 99:
+                        c = 0
+                        b += 1
+                    else:
+                        c = 0
+                        b = 0
+                        a += 1
+                    data["project"]["version"] = str(a) + "." + str(b) + "." + str(c)
+        if not data == {}:
+            with open("pyproject.toml", 'w') as f:
+                toml.dump(data, f)
+        os.rename("pyproject.toml", "pyproject.txt")
+        with open("pyproject.txt", 'r+') as f:
+            content = f.readlines()
+            content = comment + content
+        with open("pyproject.txt", 'w') as f:
+            for line in content:
+                f.write(line)
+        os.rename("pyproject.txt", "pyproject.toml")
+    except (FileNotFoundError):
+        pass
 
 main()