added input caching to aoc

.gitignore

@@ -159,4 +159,5 @@ cython_debug/
 #  and can be added to the global gitignore or merged into this file.  For a more nuclear
 #  option (not recommended) you can uncomment the following to ignore the entire idea folder.
 .idea/
+input/
 

src/aoc/aoc.py

@@ -1,4 +1,5 @@
 import os
+import shutil
 import urllib.request
 
 from cpl_core.console import Console
@@ -21,6 +22,18 @@ def get_input(year: int, day: int) -> str:
     """
     original code from https://github.com/anthonywritescode/aoc2022/blob/main/support/support.py
     """
-    url = f'https://adventofcode.com/{year}/day/{day}/input'
-    req = urllib.request.Request(url, headers=_get_cookie_headers())
-    return urllib.request.urlopen(req).read().decode()
+    file = f'input/{year}/input_{day}.txt'
+    if not os.path.exists(file):
+        os.makedirs(os.path.dirname(file))
+        url = f'https://adventofcode.com/{year}/day/{day}/input'
+        req = urllib.request.Request(url, headers=_get_cookie_headers())
+        txt = urllib.request.urlopen(req).read().decode()
+        with open(file, 'w+') as f:
+            f.write(txt)
+            f.close()
+
+    txt = ''
+    with open(file, 'r') as f:
+        txt = f.read()
+        f.close()
+    return txt