From 999605fc3e32350d5607509e33e0a2f51c59f758 Mon Sep 17 00:00:00 2001
From: "John T. Wodder II" <git@varonathe.org>
Date: Sat, 29 Nov 2025 07:47:26 -0500
Subject: [PATCH] Omit unparseable dates

---
 CHANGELOG.md               | 5 ++++-
 src/mailbits/__init__.py   | 2 +-
 src/mailbits/email2dict.py | 8 +++++---
 3 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 716d6db..5cab4fb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,11 @@
-v0.3.0 (in development)
+v0.2.3 (in development)
 -----------------------
 - Remove unused `typing_extensions` dependency
 - Support Python 3.14
 - Drop support for Python 3.8 and 3.9
+- `email2dict()`:
+    - Omit the `Date` header if the date cannot be parsed
+    - Omit the `Resent-Date` header if no dates can be parsed
 
 v0.2.2 (2024-12-01)
 -------------------
diff --git a/src/mailbits/__init__.py b/src/mailbits/__init__.py
index 648a085..546fff6 100644
--- a/src/mailbits/__init__.py
+++ b/src/mailbits/__init__.py
@@ -12,7 +12,7 @@
 Visit <https://github.com/jwodder/mailbits> for more information.
 """
 
-__version__ = "0.3.0.dev1"
+__version__ = "0.2.3.dev1"
 __author__ = "John Thorvald Wodder II"
 __author_email__ = "mailbits@varonathe.org"
 __license__ = "MIT"
diff --git a/src/mailbits/email2dict.py b/src/mailbits/email2dict.py
index a48ec73..af70897 100644
--- a/src/mailbits/email2dict.py
+++ b/src/mailbits/email2dict.py
@@ -69,11 +69,12 @@ def process_date_headers(dh: list[Any]) -> list[datetime]:
     data = []
     for h in dh:
         assert isinstance(h, hr.DateHeader)
-        data.append(h.datetime)
+        if (dt := h.datetime) is not None:
+            data.append(dt)
     return data
 
 
-def process_unique_date_header(dh: list[Any]) -> datetime:
+def process_unique_date_header(dh: list[Any]) -> datetime | None:
     assert len(dh) == 1
     assert isinstance(dh[0], hr.UniqueDateHeader)
     return dh[0].datetime
@@ -184,7 +185,8 @@ def email2dict(msg: Message, include_all: bool = False) -> MessageDict:
             if takes_argument(processor, "include_all"):
                 kwargs["include_all"] = include_all
             v = processor(values, **kwargs)
-        data["headers"][header] = v
+        if v is not None and v != []:
+            data["headers"][header] = v
     data["preamble"] = msg.preamble
     if msg.get_content_maintype() == "message":
         # Some "message/*" subtypes (specifically, as of Python 3.9, rfc822 and