fix: allow short timewindows to parse events

icalevents/icalparser.py

@@ -365,12 +365,42 @@ def parse_events(
             if type(s) is date and e.recurring == False:
                 f, t = start, end
             elif type(s) is datetime and s.tzinfo:
-                f, t = datetime(
-                    start.year, start.month, start.day, tzinfo=s.tzinfo
-                ), datetime(end.year, end.month, end.day, tzinfo=s.tzinfo)
+                f = (
+                    datetime(
+                        start.year,
+                        start.month,
+                        start.day,
+                        start.hour,
+                        start.minute,
+                        tzinfo=s.tzinfo,
+                    )
+                    if type(start) == datetime
+                    else datetime(start.year, start.month, start.day, tzinfo=s.tzinfo)
+                )
+                t = (
+                    datetime(
+                        end.year,
+                        end.month,
+                        end.day,
+                        end.hour,
+                        end.minute,
+                        tzinfo=s.tzinfo,
+                    )
+                    if type(end) == datetime
+                    else datetime(end.year, end.month, end.day, tzinfo=s.tzinfo)
+                )
             else:
-                f, t = datetime(start.year, start.month, start.day), datetime(
-                    end.year, end.month, end.day
+                f = (
+                    datetime(
+                        start.year, start.month, start.day, start.hour, start.minute
+                    )
+                    if type(start) == datetime
+                    else datetime(start.year, start.month, start.day)
+                )
+                t = (
+                    datetime(end.year, end.month, end.day, end.hour, end.minute)
+                    if type(end) == datetime
+                    else datetime(end.year, end.month, end.day)
                 )
 
             if e.recurring:

test/test_data/small_time_frame.ics

@@ -0,0 +1,91 @@
+BEGIN:VCALENDAR
+METHOD:PUBLISH
+PRODID:Microsoft Exchange Server 2010
+VERSION:2.0
+X-WR-CALNAME:Calendar
+BEGIN:VTIMEZONE
+TZID:Pacific Standard Time
+BEGIN:STANDARD
+DTSTART:16010101T020000
+TZOFFSETFROM:-0700
+TZOFFSETTO:-0800
+RRULE:FREQ=YEARLY;INTERVAL=1;BYDAY=1SU;BYMONTH=11
+END:STANDARD
+BEGIN:DAYLIGHT
+DTSTART:16010101T020000
+TZOFFSETFROM:-0800
+TZOFFSETTO:-0700
+RRULE:FREQ=YEARLY;INTERVAL=1;BYDAY=2SU;BYMONTH=3
+END:DAYLIGHT
+END:VTIMEZONE
+BEGIN:VTIMEZONE
+TZID:UTC
+BEGIN:STANDARD
+DTSTART:16010101T000000
+TZOFFSETFROM:+0000
+TZOFFSETTO:+0000
+END:STANDARD
+BEGIN:DAYLIGHT
+DTSTART:16010101T000000
+TZOFFSETFROM:+0000
+TZOFFSETTO:+0000
+END:DAYLIGHT
+END:VTIMEZONE
+BEGIN:VTIMEZONE
+TZID:Central Standard Time
+BEGIN:STANDARD
+DTSTART:16010101T020000
+TZOFFSETFROM:-0500
+TZOFFSETTO:-0600
+RRULE:FREQ=YEARLY;INTERVAL=1;BYDAY=1SU;BYMONTH=11
+END:STANDARD
+BEGIN:DAYLIGHT
+DTSTART:16010101T020000
+TZOFFSETFROM:-0600
+TZOFFSETTO:-0500
+RRULE:FREQ=YEARLY;INTERVAL=1;BYDAY=2SU;BYMONTH=3
+END:DAYLIGHT
+END:VTIMEZONE
+BEGIN:VTIMEZONE
+TZID:Eastern Standard Time
+BEGIN:STANDARD
+DTSTART:16010101T020000
+TZOFFSETFROM:-0400
+TZOFFSETTO:-0500
+RRULE:FREQ=YEARLY;INTERVAL=1;BYDAY=1SU;BYMONTH=11
+END:STANDARD
+BEGIN:DAYLIGHT
+DTSTART:16010101T020000
+TZOFFSETFROM:-0500
+TZOFFSETTO:-0400
+RRULE:FREQ=YEARLY;INTERVAL=1;BYDAY=2SU;BYMONTH=3
+END:DAYLIGHT
+END:VTIMEZONE
+BEGIN:VTIMEZONE
+TZID:India Standard Time
+BEGIN:STANDARD
+DTSTART:16010101T000000
+TZOFFSETFROM:+0530
+TZOFFSETTO:+0530
+END:STANDARD
+BEGIN:DAYLIGHT
+DTSTART:16010101T000000
+TZOFFSETFROM:+0530
+TZOFFSETTO:+0530
+END:DAYLIGHT
+END:VTIMEZONE
+BEGIN:VEVENT
+UID:0400AAAA8200E00074C5B7101A82E0080000000085E5DC3409AAAA01000000000000000
+ 010000000AAAADE08C53CAA4283D0AAA1A2AAA97
+SUMMARY:TEST Summary
+DTSTART;TZID=Pacific Standard Time:20230509T090000
+DTEND;TZID=Pacific Standard Time:20230509T100000
+CLASS:PUBLIC
+PRIORITY:5
+DTSTAMP:20230509T014745Z
+TRANSP:OPAQUE
+STATUS:CONFIRMED
+SEQUENCE:0
+LOCATION:
+END:VEVENT
+END:VCALENDAR

test/test_icalevents.py

@@ -862,6 +862,17 @@ class ICalEventsTests(unittest.TestCase):
             "starts at 5 utc summer time (+2:00)",
         )
 
+    def test_small_time_frame(self):
+        ical = "test/test_data/small_time_frame.ics"
+
+        PT = gettz("America/Los_Angeles")
+        start = datetime(month=5, day=9, year=2023, tzinfo=PT)
+        end = datetime(month=5, day=9, year=2023, hour=23, tzinfo=PT)
+
+        events = icalevents.events(file=ical, start=start, end=end, strict=True)
+
+        self.assertEqual(len(events), 1, "1 events")
+
     def test_regression_repeating_events_raise_an_error(self):
         ical = "test/test_data/recurrence_tzinfo.ics"
         start = date(2023, 1, 1)