Fix datetime.utcnow() deprecation (#134)

spacetelescope · Jan 18, 2024 · bb73636 · bb73636
2 parents 9e7c441 + 8b120a0
commit bb73636
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Showing 3 changed files with 7 additions and 2 deletions.
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -27,6 +27,7 @@ jobs:
         - macos: py311-xdist
         - linux: py311-cov-xdist
           coverage: 'codecov'
+        - linux: py312-xdist
   test_downstream:
     uses: OpenAstronomy/github-actions-workflows/.github/workflows/tox.yml@v1
     with:

diff --git a/CHANGES.rst b/CHANGES.rst
@@ -5,6 +5,7 @@
 - Fix regex issue in internal configobj [#108]
 - Remove bundled ``configobj`` package in favor of the ``configobj`` package
   bundled into ``astropy``. [#122]
+- Fix ``datetime.utcnow()`` DeprecationWarning [#134]
 
 0.5.1 (2023-10-02)
 ==================

diff --git a/src/stpipe/config.py b/src/stpipe/config.py
@@ -4,7 +4,7 @@
 both until we replace configobj with traitlets.
 """
 from copy import deepcopy
-from datetime import datetime
+from datetime import datetime, timezone
 
 import asdf
 
@@ -111,7 +111,10 @@ def to_asdf(self, include_metadata=False):
             meta = deepcopy(_META_TEMPLATE)
             meta["date"] = meta["date"].replace(
                 _TEMPLATE_PLACEHOLDER,
-                datetime.utcnow().replace(microsecond=0).isoformat(),
+                datetime.now(timezone.utc)
+                .replace(microsecond=0)
+                .isoformat()
+                .removesuffix("+00:00"),
             )
             meta["description"] = meta["description"].replace(
                 _TEMPLATE_PLACEHOLDER, self.class_name