collective · niccokunzmann · May 20, 2024 · May 20, 2024 · May 20, 2024 · May 20, 2024
diff --git a/CHANGES.rst b/CHANGES.rst
@@ -20,7 +20,7 @@ New features:
 
 Bug fixes:
 
-- ...
+- Parse calendars with X-COMMENT properties at the end the file by ignoring these properites
 
 
 5.0.12 (2024-03-19)

diff --git a/docs/credits.rst b/docs/credits.rst
@@ -68,7 +68,7 @@ icalendar contributors
 - Michał Górny <mgorny@gentoo.org>
 - Pronoy <lukex9442@gmail.com>
 - Abe Hanoka <abe@habet.dev>
-- `Natasha Mattson <https://github.com/natashamm`_
+- `Natasha Mattson <https://github.com/natashamm>`_
 - `NikEasY <https://github.com/NikEasY>`_
 - Matt Lewis <git@semiprime.com>
 - Felix Stupp <felix.stupp@banananet.work>

diff --git a/src/icalendar/cal.py b/src/icalendar/cal.py
@@ -377,7 +377,12 @@ def from_ical(cls, st, multiple=False):
                 factory = types_factory.for_property(name)
                 component = stack[-1] if stack else None
                 if not component:
-                    raise ValueError(f'Property "{name}" does not have a parent component.')
+                    # only accept X-COMMENT at the end of the .ics file
+                    # ignore these components in parsing
+                    if uname == 'X-COMMENT':
+                        break
+                    else:
+                        raise ValueError(f'Property "{name}" does not have a parent component.')
                 datetime_names = ('DTSTART', 'DTEND', 'RECURRENCE-ID', 'DUE',
                                   'RDATE', 'EXDATE')
                 try:

diff --git a/src/icalendar/tests/calendars/issue_350.ics b/src/icalendar/tests/calendars/issue_350.ics
@@ -0,0 +1,36 @@
+BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//Podio API//EN//view-exporter//52593453
+METHOD:REQUEST
+X-WR-CALNAME:view52593586
+X-WR-TIMEZONE:Europe/Berlin
+CALSCALE:GREGORIAN
+X-COMMENT-USAGE:This calendar does not contain recurring events!
+X-COMMENT-GENERATOR:PHP Version 8.0.16 
+BEGIN:VEVENT
+STATUS:CONFIRMED
+SEQUENCE:0
+TRANSP:OPAQUE
+CLASS:PUBLIC
+UID:20055546456446
+SUMMARY:Termin 4353 und"so"
+DESCRIPTION;ALTREP="data:text/html,%3Cbody%3E%3Cp%3EToller%20%3Cstron
+	g%20class%3D%22text-bold%22%3ETermin%3C%2Fstrong%3E%20f%C3%BCr%3C%2Fp
+	%3E%3Cblockquote%3E%3Cp%3Emal%20%3Cem%20class%3D%22text-italic%22%3Ez
+	u%22gucken%22%3C%2Fem%3E%3C%2Fp%3E%3C%2Fblockquote%3E%3Cp%3E%3Cu%20cl
+	ass%3D%22text-underline%22%3Eund%3C%2Fu%3E%20%3Cdel%3Eso%3C%2Fdel%3E%
+	3Cbr%2F%3E%3C%2Fp%3E%3C%2Fbody%3E":Toller Termin fürmal zu\"gucken\"
+	und so
+X-ALT-DESC;FMTTYPE=text/html:<html><head></head><body><p>Toller <stro
+	ng class="text-bold">Termin</strong> für</p><blockquote><p>mal <em c
+	lass="text-italic">zu"gucken"</em></p></blockquote><p><u class="text-
+	underline">und</u> <del>so</del><br/></p></body></html>
+URL:https://podio.com/xxxxxxyyyyyy/zpodio-testgelande/apps/calen
+	dar/items/5
+LOCATION:online
+DTSTART:20220222T183000Z
+DTEND:20220222T193000Z
+DTSTAMP:20220220T142821Z
+END:VEVENT
+END:VCALENDAR
+X-COMMENT:Cached from 2022-02-20 14:28:21 - new at most every 1800sec.
diff --git a/src/icalendar/tests/test_issue_350.py b/src/icalendar/tests/test_issue_350.py
@@ -0,0 +1,9 @@
+'''Issue #350 - Ignore X-... properties also at end of file?
+
+   https://github.com/collective/icalendar/issues/350
+'''
+from icalendar import Calendar
+
+def test_issue_350(calendars):
+    calendar = list(calendars.issue_350.walk('X-COMMENT'))
+    assert len(calendar) == 0, "X-COMMENT at the end of the file was parsed"
-Original file line number
+Diff line change
@@ Expand Up / @@ -20,7 +20,7 @@ New features: @@
     Bug fixes:
-    - ...
+    - Parse calendars with X-COMMENT properties at the end the file by ignoring these properites
 .0.12 (2024-03-19)
@@ Expand Down @@