Lazy imports for Python 3.15+ (#335)

Author: hugovk

src/humanize/__init__.py

@@ -2,6 +2,15 @@
 
 from __future__ import annotations
 
+__lazy_modules__ = {
+    "humanize._version",
+    "humanize.filesize",
+    "humanize.i18n",
+    "humanize.lists",
+    "humanize.number",
+    "humanize.time",
+}
+
 from humanize.filesize import naturalsize
 from humanize.i18n import activate, deactivate, decimal_separator, thousands_separator
 from humanize.lists import natural_list

src/humanize/filesize.py

@@ -2,6 +2,8 @@
 
 from __future__ import annotations
 
+__lazy_modules__ = {"humanize.i18n", "math"}
+
 from math import log
 
 from humanize.i18n import _gettext as _

src/humanize/number.py

@@ -2,6 +2,8 @@
 
 from __future__ import annotations
 
+__lazy_modules__ = {"bisect"}
+
 import bisect
 
 from .i18n import _gettext as _

src/humanize/time.py

@@ -5,6 +5,8 @@
 
 from __future__ import annotations
 
+__lazy_modules__ = {"humanize.i18n", "humanize.number"}
+
 from enum import Enum
 from functools import total_ordering