Remove use of pytz

pyproject.toml

@@ -21,7 +21,6 @@ repository = "http://github.com/rapidpro/rapidpro-python"
 
 [tool.poetry.dependencies]
 python = "^3.9"
-pytz = "*"
 requests = "^2.25.0"
 iso8601 = "^0.1.13"
 

temba_client/tests.py

@@ -1,9 +1,8 @@
 import codecs
-import datetime
 import json
 import unittest
+from datetime import datetime, timedelta, timezone as tzone, tzinfo
 
-import pytz
 import requests
 from requests.structures import CaseInsensitiveDict
 
@@ -79,18 +78,18 @@ def assertRequest(self, mock, method, endpoint, **kwargs):
 
 
 class UtilsTest(TembaTest):
-    class TestTZ(datetime.tzinfo):
+    class TestTZ(tzinfo):
         def utcoffset(self, dt):
-            return datetime.timedelta(hours=-5)
+            return timedelta(hours=-5)
 
     def test_format_iso8601(self):
-        d = datetime.datetime(2014, 1, 2, 3, 4, 5, 6, UtilsTest.TestTZ())
+        d = datetime(2014, 1, 2, 3, 4, 5, 6, UtilsTest.TestTZ())
         self.assertEqual(format_iso8601(d), "2014-01-02T08:04:05.000006Z")
         # it should return None when no datetime given
         self.assertIs(format_iso8601(None), None)
 
     def test_parse_iso8601(self):
-        dt = datetime.datetime(2014, 1, 2, 3, 4, 5, 0, pytz.UTC)
+        dt = datetime(2014, 1, 2, 3, 4, 5, 0, tzone.utc)
         self.assertEqual(parse_iso8601("2014-01-02T03:04:05.000000Z"), dt)
         self.assertEqual(parse_iso8601("2014-01-02T03:04:05.000000+00:00"), dt)
         self.assertEqual(parse_iso8601("2014-01-02T05:04:05.000000+02:00"), dt)
@@ -99,7 +98,7 @@ def test_parse_iso8601(self):
         self.assertEqual(parse_iso8601("2014-01-02T03:04:05"), dt)
         self.assertEqual(parse_iso8601(None), None)
 
-        d = datetime.datetime(2014, 1, 2, 0, 0, 0, 0, pytz.UTC)
+        d = datetime(2014, 1, 2, 0, 0, 0, 0, tzone.utc)
         self.assertEqual(parse_iso8601("2014-01-02"), d)
 
 
@@ -218,7 +217,7 @@ def test_deserialize(self):
         )
         self.assertEqual(obj.foo, "a")
         self.assertEqual(obj.bar, 123)
-        self.assertEqual(obj.doh, datetime.datetime(2014, 1, 2, 3, 4, 5, 0, pytz.UTC))
+        self.assertEqual(obj.doh, datetime(2014, 1, 2, 3, 4, 5, 0, tzone.utc))
         self.assertEqual(obj.gem.zed, "c")
         self.assertEqual(len(obj.hum), 1)
         self.assertEqual(obj.hum[0].zed, "b")
@@ -237,7 +236,7 @@ def test_serialize(self):
         obj = TestType.create(
             foo="a",
             bar=123,
-            doh=datetime.datetime(2014, 1, 2, 3, 4, 5, 0, pytz.UTC),
+            doh=datetime(2014, 1, 2, 3, 4, 5, 0, tzone.utc),
             gem=TestSubType.create(zed="a"),
             hum=[TestSubType.create(zed="b")],
             meh={"a": TestSubType.create(zed="c"), "b": TestSubType.create(zed="d")},

temba_client/utils.py

@@ -1,7 +1,7 @@
 import json
+from datetime import timezone as tzone
 
 import iso8601
-import pytz
 import requests
 
 
@@ -22,7 +22,7 @@ def format_iso8601(value):
     if value is None:
         return None
 
-    return str(value.astimezone(pytz.UTC).strftime("%Y-%m-%dT%H:%M:%S.%fZ"))
+    return str(value.astimezone(tzone.utc).strftime("%Y-%m-%dT%H:%M:%S.%fZ"))
 
 
 def request(method, url, **kwargs):  # pragma: no cover