From 551711fb3458fb1c63424086a4196c89f8a818cc Mon Sep 17 00:00:00 2001
From: Philip Sargent <philip.sargent@gmail.com>
Date: Mon, 15 Dec 2025 15:56:27 +0000
Subject: [PATCH] cope with pre 2000 years

---
 core/models/wallets.py | 52 +++++-------------------------------------
 1 file changed, 6 insertions(+), 46 deletions(-)

diff --git a/core/models/wallets.py b/core/models/wallets.py
index c18af41..4567312 100644
--- a/core/models/wallets.py
+++ b/core/models/wallets.py
@@ -56,9 +56,12 @@ def make_valid_date(walletname, date):
         m = int(data['month'])
         y = int(data['year'])
         
-        # Two-digit year handling
-        if y < 2000:
-            y = y + 2000
+        # Two-digit year handling: Use 70 as the pivot year (70-99 -> 19xx, 00-69 -> 20xx)
+        if y < 100:
+            if y >= 70:
+                y = 1900 + y
+            else:
+                y = 2000 + y
             
         try:
             samedate = datetime.date(y, m, d)
@@ -99,49 +102,6 @@ def make_valid_date(walletname, date):
         
     return None
 
-
-# def make_valid_date(walletname, date):
-    # """Take whatever garbage some fool has typed in and try to make it into a valid ISO-format date
-    # """
-    # datestr = date.replace(".", "-").replace("/", "-")
-    # try:
-        # samedate = datetime.date.fromisoformat(datestr)
-        # return samedate
-    # except ValueError:
-        # # Could be in std euro format e.g. 14/07/2023
-        # match = re.search(r'(\d{1,2})/(\d{1,2})/(\d{2,4})', datestr)
-        # if match:
-            # d = int(match.group(1))
-            # m = int(match.group(2))
-            # y = int(match.group(3))
-            # if y<2000:
-                # y = y + 2000
-            # try:
-                # samedate = datetime.date(y, m, d)
-                # print(f"- - Warning, not in ISO format. '{datestr=}' but we tried to cope: {samedate.isoformat()} {walletname}")
-                # return samedate
-            # except:
-                # print(f"! - Fail, tried to decompose date in dd/mm/yyyy format but failed: {datestr=}  ")
-                # return None
-        # # probably a single digit day number or month number
-        # match = re.search(r'(\d{4})-(\d{1,2})-(\d{1,2})', datestr)
-        # if match:
-            # y = int(match.group(1))
-            # m = int(match.group(2))
-            # d = int(match.group(3))
-            # try:
-                # samedate = datetime.date(y, m, d)
-                # print(f"- - Warning, 1 digit only for month or day '{datestr=}' but we coped: {samedate.isoformat()} ")
-                # return samedate
-            # except:
-                # print(f"! - Fail, tried to decompose date in yyyy-mm-d or yyy-m-dd format but failed: {datestr=}  ")
-                # return None
-
-        # if datestr: # might have been None
-            # if datestr != "None":
-                # print(f"! - Failed to understand date, none of our tricks worked {datestr=}  ")
-        # return None
-
 archaic_wallets = [
     '1984AndysNotebook',
     '1984BrownLandscapeNotebook',