From 63a764c6a07d2ab11c37ecc4de8279e94e1117c9 Mon Sep 17 00:00:00 2001
From: "Brian S. Stephan" <bss@incorporeal.org>
Date: Thu, 24 Mar 2022 22:11:14 -0500
Subject: [PATCH] don't use system tz, display timestamps as UTC

no particular reason, just one less dependency, and it goes further
towards my idyllic world where everyone is on UTC and there are no
timezones
---
 incorporealcms/pages.py           | 3 +--
 requirements/requirements-dev.txt | 6 ------
 requirements/requirements.in      | 1 -
 requirements/requirements.txt     | 6 ------
 4 files changed, 1 insertion(+), 15 deletions(-)

diff --git a/incorporealcms/pages.py b/incorporealcms/pages.py
index 1fc2f61..26e3734 100644
--- a/incorporealcms/pages.py
+++ b/incorporealcms/pages.py
@@ -7,7 +7,6 @@ import re
 from flask import Blueprint, Markup, abort
 from flask import current_app as app
 from flask import redirect, request, send_from_directory
-from tzlocal import get_localzone
 
 from incorporealcms.lib import get_meta_str, init_md, render
 
@@ -51,7 +50,7 @@ def handle_markdown_file_path(resolved_path):
     try:
         logger.debug("opening resolved path '%s'", resolved_path)
         with app.open_instance_resource(resolved_path, 'r') as entry_file:
-            mtime = datetime.datetime.fromtimestamp(os.path.getmtime(entry_file.name), get_localzone())
+            mtime = datetime.datetime.fromtimestamp(os.path.getmtime(entry_file.name), tz=datetime.timezone.utc)
             entry = entry_file.read()
         logger.debug("resolved path '%s' read", resolved_path)
     except OSError:
diff --git a/requirements/requirements-dev.txt b/requirements/requirements-dev.txt
index 1d66c90..848bfd2 100644
--- a/requirements/requirements-dev.txt
+++ b/requirements/requirements-dev.txt
@@ -116,8 +116,6 @@ pytest==7.1.1
     #   pytest-cov
 pytest-cov==3.0.0
     # via -r requirements/requirements-dev.in
-pytz-deprecation-shim==0.1.0.post0
-    # via tzlocal
 pyyaml==6.0
     # via
     #   bandit
@@ -154,10 +152,6 @@ tox==3.24.5
     #   tox-wheel
 tox-wheel==0.7.0
     # via -r requirements/requirements-dev.in
-tzdata==2022.1
-    # via pytz-deprecation-shim
-tzlocal==4.1
-    # via -r requirements/requirements.in
 urllib3==1.26.9
     # via requests
 versioneer==0.22
diff --git a/requirements/requirements.in b/requirements/requirements.in
index 2769af8..62ad2c6 100644
--- a/requirements/requirements.in
+++ b/requirements/requirements.in
@@ -1,3 +1,2 @@
 Flask                       # general purpose web service and web server stuff
 Markdown                    # markdown rendering in templates
-tzlocal                     # identifying system's local timezone
diff --git a/requirements/requirements.txt b/requirements/requirements.txt
index 9ee7f1a..3a78229 100644
--- a/requirements/requirements.txt
+++ b/requirements/requirements.txt
@@ -16,11 +16,5 @@ markdown==3.3.6
     # via -r requirements/requirements.in
 markupsafe==2.1.1
     # via jinja2
-pytz-deprecation-shim==0.1.0.post0
-    # via tzlocal
-tzdata==2022.1
-    # via pytz-deprecation-shim
-tzlocal==4.1
-    # via -r requirements/requirements.in
 werkzeug==2.0.3
     # via flask