remove dependency on pytz (#911)

Co-authored-by: Ananthu C V <[email protected]>

Author: WeepingClown13

docs/docs/duration.md

@@ -11,10 +11,10 @@ It has many improvements over the base class.
 
     ```python
     >>> import pendulum
-    >>> from datetime import datetime
+    >>> import datetime
 
-    >>> d1 = datetime(2012, 1, 1, 1, 2, 3, tzinfo=pytz.UTC)
-    >>> d2 = datetime(2011, 12, 31, 22, 2, 3, tzinfo=pytz.UTC)
+    >>> d1 = datetime.datetime(2012, 1, 1, 1, 2, 3, tzinfo=datetime.UTC)
+    >>> d2 = datetime.datetime(2011, 12, 31, 22, 2, 3, tzinfo=datetime.UTC)
     >>> delta = d2 - d1
     >>> delta.days
     -1

poetry.lock

@@ -35,7 +35,6 @@ Repository = "https://github.com/sdispater/pendulum"
 
 [tool.poetry.group.test.dependencies]
 pytest = "^7.1.2"
-pytz = ">=2022.1"
 time-machine = ">=2.16.0"
 pytest-benchmark = "^4.0.0"
 
@@ -51,7 +50,6 @@ pre-commit = "^3.0.0"
 [tool.poetry.group.typing.dependencies]
 mypy = "^1.3.0"
 types-python-dateutil = "^2.8.19"
-types-pytz = ">=2022.7.1.2"
 
 [tool.poetry.group.dev.dependencies]
 babel = "^2.10.3"

pyproject.toml

@@ -1,8 +1,8 @@
 from __future__ import annotations
 
-from datetime import datetime
+import zoneinfo
 
-import pytz
+from datetime import datetime
 
 import pendulum
 
@@ -99,7 +99,7 @@ def test_greater_than_false():
 def test_greater_than_with_timezone_true():
     d1 = pendulum.datetime(2000, 1, 1, 12, 0, 0, tz="America/Toronto")
     d2 = pendulum.datetime(2000, 1, 1, 8, 59, 59, tz="America/Vancouver")
-    d3 = pytz.timezone("America/Vancouver").localize(datetime(2000, 1, 1, 8, 59, 59))
+    d3 = datetime(2000, 1, 1, 8, 59, 59, tzinfo=zoneinfo.ZoneInfo("America/Vancouver"))
 
     assert d1 > d2
     assert d1 > d3
@@ -108,7 +108,7 @@ def test_greater_than_with_timezone_true():
 def test_greater_than_with_timezone_false():
     d1 = pendulum.datetime(2000, 1, 1, 12, 0, 0, tz="America/Toronto")
     d2 = pendulum.datetime(2000, 1, 1, 9, 0, 1, tz="America/Vancouver")
-    d3 = pytz.timezone("America/Vancouver").localize(datetime(2000, 1, 1, 9, 0, 1))
+    d3 = datetime(2000, 1, 1, 9, 0, 1, tzinfo=zoneinfo.ZoneInfo("America/Vancouver"))
 
     assert not d1 > d2
     assert not d1 > d3
@@ -144,7 +144,7 @@ def test_greater_than_or_equal_false():
 def test_greater_than_or_equal_with_timezone_true():
     d1 = pendulum.datetime(2000, 1, 1, 12, 0, 0, tz="America/Toronto")
     d2 = pendulum.datetime(2000, 1, 1, 8, 59, 59, tz="America/Vancouver")
-    d3 = pytz.timezone("America/Vancouver").localize(datetime(2000, 1, 1, 8, 59, 59))
+    d3 = datetime(2000, 1, 1, 8, 59, 59, tzinfo=zoneinfo.ZoneInfo("America/Vancouver"))
 
     assert d1 >= d2
     assert d1 >= d3
@@ -153,7 +153,7 @@ def test_greater_than_or_equal_with_timezone_true():
 def test_greater_than_or_equal_with_timezone_false():
     d1 = pendulum.datetime(2000, 1, 1, 12, 0, 0, tz="America/Toronto")
     d2 = pendulum.datetime(2000, 1, 1, 9, 0, 1, tz="America/Vancouver")
-    d3 = pytz.timezone("America/Vancouver").localize(datetime(2000, 1, 1, 9, 0, 1))
+    d3 = datetime(2000, 1, 1, 9, 0, 1, tzinfo=zoneinfo.ZoneInfo("America/Vancouver"))
 
     assert not d1 >= d2
     assert not d1 >= d3
@@ -180,7 +180,7 @@ def test_less_than_false():
 def test_less_than_with_timezone_true():
     d1 = pendulum.datetime(2000, 1, 1, 8, 59, 59, tz="America/Vancouver")
     d2 = pendulum.datetime(2000, 1, 1, 12, 0, 0, tz="America/Toronto")
-    d3 = pytz.timezone("America/Toronto").localize(datetime(2000, 1, 1, 12, 0, 0))
+    d3 = datetime(2000, 1, 1, 12, 0, 0, tzinfo=zoneinfo.ZoneInfo("America/Toronto"))
 
     assert d1 < d2
     assert d1 < d3
@@ -189,7 +189,7 @@ def test_less_than_with_timezone_true():
 def test_less_than_with_timezone_false():
     d1 = pendulum.datetime(2000, 1, 1, 9, 0, 1, tz="America/Vancouver")
     d2 = pendulum.datetime(2000, 1, 1, 12, 0, 0, tz="America/Toronto")
-    d3 = pytz.timezone("America/Toronto").localize(datetime(2000, 1, 1, 12, 0, 0))
+    d3 = datetime(2000, 1, 1, 12, 0, 0, tzinfo=zoneinfo.ZoneInfo("America/Toronto"))
 
     assert not d1 < d2
     assert not d1 < d3
@@ -225,7 +225,7 @@ def test_less_than_or_equal_false():
 def test_less_than_or_equal_with_timezone_true():
     d1 = pendulum.datetime(2000, 1, 1, 8, 59, 59, tz="America/Vancouver")
     d2 = pendulum.datetime(2000, 1, 1, 12, 0, 0, tz="America/Toronto")
-    d3 = pytz.timezone("America/Toronto").localize(datetime(2000, 1, 1, 12, 0, 0))
+    d3 = datetime(2000, 1, 1, 12, 0, 0, tzinfo=zoneinfo.ZoneInfo("America/Toronto"))
 
     assert d1 <= d2
     assert d1 <= d3
@@ -234,7 +234,7 @@ def test_less_than_or_equal_with_timezone_true():
 def test_less_than_or_equal_with_timezone_false():
     d1 = pendulum.datetime(2000, 1, 1, 9, 0, 1, tz="America/Vancouver")
     d2 = pendulum.datetime(2000, 1, 1, 12, 0, 0, tz="America/Toronto")
-    d3 = pytz.timezone("America/Toronto").localize(datetime(2000, 1, 1, 12, 0, 0))
+    d3 = datetime(2000, 1, 1, 12, 0, 0, tzinfo=zoneinfo.ZoneInfo("America/Toronto"))
 
     assert not d1 <= d2
     assert not d1 <= d3

tests/datetime/test_comparison.py

@@ -1,9 +1,10 @@
 from __future__ import annotations
 
+import zoneinfo
+
 from datetime import datetime
 
 import pytest
-import pytz
 
 import pendulum
 
@@ -102,18 +103,17 @@ def test_precise_diff_timezone() -> None:
     assert_diff(diff, days=1, hours=5)
     assert diff.total_days == 1
 
-    # pytz
-    paris_pytz = pytz.timezone("Europe/Paris")
-    toronto_pytz = pytz.timezone("America/Toronto")
+    paris_tz = zoneinfo.ZoneInfo("Europe/Paris")
+    toronto_tz = zoneinfo.ZoneInfo("America/Toronto")
 
-    dt1 = paris_pytz.localize(datetime(2013, 3, 31, 1, 30))
-    dt2 = paris_pytz.localize(datetime(2013, 4, 1, 1, 30))
+    dt1 = datetime(2013, 3, 31, 1, 30, tzinfo=paris_tz)
+    dt2 = datetime(2013, 4, 1, 1, 30, tzinfo=paris_tz)
 
     diff = precise_diff(dt1, dt2)
     assert_diff(diff, days=1, hours=0)
     assert diff.total_days == 1
 
-    dt2 = toronto_pytz.localize(datetime(2013, 4, 1, 1, 30))
+    dt2 = datetime(2013, 4, 1, 1, 30, tzinfo=toronto_tz)
 
     diff = precise_diff(dt1, dt2)
     assert_diff(diff, days=1, hours=5)

tests/test_helpers.py

@@ -1,11 +1,11 @@
 from __future__ import annotations
 
+import zoneinfo
+
 from datetime import date
 from datetime import datetime
 from datetime import time
 
-import pytz
-
 from dateutil import tz
 
 import pendulum
@@ -25,8 +25,8 @@ def test_instance_with_aware_datetime() -> None:
     assert now.timezone_name == "Europe/Paris"
 
 
-def test_instance_with_aware_datetime_pytz() -> None:
-    now = pendulum.instance(datetime.now(pytz.timezone("Europe/Paris")))
+def test_instance_with_aware_datetime_zoneinfo() -> None:
+    now = pendulum.instance(datetime.now(zoneinfo.ZoneInfo("Europe/Paris")))
     assert now.timezone_name == "Europe/Paris"
 
 
@@ -57,7 +57,7 @@ def test_instance_with_aware_time() -> None:
 
 
 def test_safe_timezone_with_tzinfo_objects() -> None:
-    tz = _safe_timezone(pytz.timezone("Europe/Paris"))
+    tz = _safe_timezone(zoneinfo.ZoneInfo("Europe/Paris"))
 
     assert isinstance(tz, Timezone)
     assert tz.name == "Europe/Paris"

tests/test_main.py

@@ -1,10 +1,11 @@
 from __future__ import annotations
 
+import zoneinfo
+
 from datetime import time
 from datetime import timedelta
 
 import pytest
-import pytz
 
 import pendulum
 
@@ -87,7 +88,7 @@ def test_subtract_time():
     t = Time(12, 34, 56)
     t1 = Time(1, 1, 1)
     t2 = time(1, 1, 1)
-    t3 = time(1, 1, 1, tzinfo=pytz.timezone("Europe/Paris"))
+    t3 = time(1, 1, 1, tzinfo=zoneinfo.ZoneInfo("Europe/Paris"))
 
     diff = t - t1
     assert isinstance(diff, pendulum.Duration)