utcfromtimestamp was deprecated and nobody told me,

not even the deprecationwarning that got silently generated burning
20~30% of all CPU-time without actually displaying it anywhere, nice

python 3.12.0 is now only 5% slower than 3.11.6

also fixes some other, less-performance-fatal deprecations

bin/hooks/msg-log.py

@@ -7,7 +7,11 @@ import json
 import os
 import sys
 import time
-from datetime import datetime
+
+try:
+    from datetime import datetime, timezone
+except:
+    from datetime import datetime
 
 
 """
@@ -96,7 +100,11 @@ def main(argv=None):
     msg_info = json.loads(sys.argv[1])
     # print(msg_info)
 
-    dt = datetime.utcfromtimestamp(msg_info["at"])
+    try:
+        dt = datetime.fromtimestamp(msg_info["at"], timezone.utc)
+    except:
+        dt = datetime.utcfromtimestamp(msg_info["at"])
+
     msg_info["datetime"] = dt.strftime("%Y-%m-%d, %H:%M:%S")
 
     msg_text = TEMPLATE % msg_info

bin/hooks/notify2.py

@@ -4,7 +4,7 @@ import json
 import os
 import sys
 import subprocess as sp
-from datetime import datetime
+from datetime import datetime, timezone
 from plyer import notification
 
 
@@ -43,7 +43,8 @@ def main():
     fp = inf["ap"]
     sz = humansize(inf["sz"])
     dp, fn = os.path.split(fp)
-    mt = datetime.utcfromtimestamp(inf["mt"]).strftime("%Y-%m-%d %H:%M:%S")
+    dt = datetime.fromtimestamp(inf["mt"], timezone.utc)
+    mt = dt.strftime("%Y-%m-%d %H:%M:%S")
 
     msg = f"{fn} ({sz})\n📁 {dp}"
     title = "File received"

bin/hooks/xiu-sha.py

@@ -3,7 +3,7 @@
 import hashlib
 import json
 import sys
-from datetime import datetime
+from datetime import datetime, timezone
 
 
 _ = r"""
@@ -43,8 +43,11 @@ except:
         return p
 
 
+UTC = timezone.utc
+
+
 def humantime(ts):
-    return datetime.utcfromtimestamp(ts).strftime("%Y-%m-%d %H:%M:%S")
+    return datetime.fromtimestamp(ts, UTC).strftime("%Y-%m-%d %H:%M:%S")
 
 
 def find_files_root(inf):
@@ -96,7 +99,7 @@ def main():
 
     ret.append("# {} files, {} bytes total".format(len(inf), total_sz))
     ret.append("")
-    ftime = datetime.utcnow().strftime("%Y-%m%d-%H%M%S.%f")
+    ftime = datetime.now(UTC).strftime("%Y-%m%d-%H%M%S.%f")
     fp = "{}xfer-{}.sha512".format(inf[0]["ap"][:di], ftime)
     with open(fsenc(fp), "wb") as f:
         f.write("\n".join(ret).encode("utf-8", "replace"))