Criar form field para mês e ano

sigi/apps/utils/forms/fields.py

@@ -0,0 +1,15 @@
+import datetime
+from django.forms import fields
+from django.utils.translation import gettext_lazy as _
+from sigi.apps.utils.forms import widgets
+
+
+class MonthField(fields.DateField):
+    widget = widgets.MonthInput
+    input_formats = ["%Y-%m", "%m-%Y"]
+    default_error_messages = {
+        "invalid": _("Enter a valid month."),
+    }
+
+    def strptime(self, value, format):
+        return datetime.datetime.strptime(value, format).date()

sigi/apps/utils/forms/widgets.py

@@ -0,0 +1,9 @@
+from django.forms import widgets
+
+
+class MonthInput(widgets.DateTimeBaseInput):
+    template_name = "utils/forms/widgets/month.html"
+
+    def __init__(self, attrs=None, format=None):
+        super().__init__(attrs)
+        self.format = format or "%Y-%m"

sigi/apps/utils/templates/utils/forms/widgets/month.html

@@ -0,0 +1 @@
+<input type="month" name="{{ widget.name }}" {% if widget.value != None %} value="{{ widget.value|date:'Y-m' }}"{% endif %} {% include "django/forms/widgets/attrs.html" %} style="width: max-content;">