Update upstream source from tag 'upstream/2.0.1'

Update to upstream version '2.0.1'
with Debian dir 6ba4be0cb50c6694d090fee4650ce5034cd4a682

5 files changed, 32 insertions, 1 deletions

diff --git a/README.rst b/README.rst
index 1f2f9e5..ea31526 100644
--- a/README.rst
+++ b/README.rst
@@ -276,6 +276,10 @@ how to go about it.
 Changelog
 ---------
 
+- v2.0.1
+
+  - Fixed crasher with duplicate RRULE. See `Pull Request 104 <https://github.com/niccokunzmann/python-recurring-ical-events/pull/104>`_
+
 - v2.0.0b
 
   - Only return ``VEVENT`` by default. Add ``of(... ,components=...)`` parameter to select which kinds of components should be returned. See `Issue 101 <https://github.com/niccokunzmann/python-recurring-ical-events/issues/101>`_.
diff --git a/recurring_ical_events.py b/recurring_ical_events.py
index ab7d7de..d3bcf01 100644
--- a/recurring_ical_events.py
+++ b/recurring_ical_events.py
@@ -186,6 +186,13 @@ class RepeatedComponent:
         self.rule = rule = rruleset(cache=True)
         _rule = component.get("RRULE", None)
         if _rule:
+            # We don't support multiple RRULE yet, but we can support cases
+            # where the same RRULE is erroneously repeated
+            if isinstance(_rule, list):
+                if len(_rule) > 0 and all(part == _rule[0] for part in _rule):
+                    _rule = _rule[0]
+                else:
+                    raise ValueError("Don't yet support multiple distinct RRULE properties")
             self.rrule = self.create_rule_with_start(_rule.to_ical().decode())
             rule.rrule(self.rrule)
         else:
diff --git a/setup.py b/setup.py
index b83bce5..2ffb49e 100644
--- a/setup.py
+++ b/setup.py
@@ -11,7 +11,7 @@ PACKAGE_NAME = "recurring_ical_events"
 HERE = os.path.abspath(os.path.dirname(__file__))
 sys.path.insert(0, HERE)  # for package import
 
-__version__ = "2.0.0"
+__version__ = "2.0.1"
 __author__ = 'Nicco Kunzmann'
 
 
diff --git a/test/calendars/duplicated_rrule.ics b/test/calendars/duplicated_rrule.ics
new file mode 100644
index 0000000..fc26f45
--- /dev/null
+++ b/test/calendars/duplicated_rrule.ics
@@ -0,0 +1,16 @@
+BEGIN:VCALENDAR

+VERSION:2.0

+PRODID:-//CyrusIMAP.org/Cyrus 

+ 3.9.0-alpha0-85-gd6d859e0cf-fm-20230116.001-gd6d859e0//EN

+BEGIN:VEVENT

+CREATED:20230109T084023Z

+LAST-MODIFIED:20230119T110732Z

+DTSTAMP:20230119T110732Z

+UID:56cdc4dc-11b7-407c-86c6-9faedfc28afb

+SUMMARY:My repeating event

+RRULE:FREQ=WEEKLY;BYDAY=TH;COUNT=20

+RRULE:FREQ=WEEKLY;BYDAY=TH;COUNT=20

+DTSTART;TZID=Europe/London:20230112T100000

+DTEND;TZID=Europe/London:20230112T120000

+END:VEVENT

+END:VCALENDAR

diff --git a/test/test_repeated_properties.py b/test/test_repeated_properties.py
new file mode 100644
index 0000000..e247de6
--- /dev/null
+++ b/test/test_repeated_properties.py
@@ -0,0 +1,4 @@
+
+def test_duplicated_rrule(calendars):
+    # Test that a repetition of the same `RRULE` property should be ignored
+    assert len(calendars.duplicated_rrule.at(2023)) == 20