sqozz/trash-dates
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Add automatic cleanup for previously generated files

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Unfortunately the UIDs of the downloaded icals change. To still catch
changes in the trash date schedule over the year, this makes sure to
delete all events with the same year as we're currently scraping.
This commit is contained in:
sqozz 2021-10-07 12:10:03 +02:00
parent 2771d67f74
commit 83c1fe95b1
1 changed files with 12 additions and 1 deletions
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13
generate_ical.py
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@ -77,6 +77,17 @@ for trash_type in trash_types:
if not os.path.exists(trash_type_folder): if not os.path.exists(trash_type_folder):
os.makedirs(trash_type_folder) os.makedirs(trash_type_folder)
for f in next(os.walk(trash_type_folder), (None, None, []))[2]:
ical_path = os.path.join(trash_type_folder, f)
with open(ical_path, "rb") as fh:
try:
cal = icalendar.Calendar.from_ical(fh.read())
except ValueError:
print("{} is not an parsable ical file".format(ical_path))
continue
if cal.walk()[1]["DTSTAMP"].dt.year == current_year:
os.remove(ical_path)
radicale_prop_file = os.path.join(trash_type_folder, ".Radicale.props") radicale_prop_file = os.path.join(trash_type_folder, ".Radicale.props")
with open(radicale_prop_file, "w") as f: with open(radicale_prop_file, "w") as f:
f.write(json.dumps(radicale_props)) f.write(json.dumps(radicale_props))
@ -95,7 +106,7 @@ for trash_type in trash_types:
new_cal.add('prodid', 'Trash dates') new_cal.add('prodid', 'Trash dates')
new_cal.add('version', '2.0') new_cal.add('version', '2.0')
new_cal.add_component(event) new_cal.add_component(event)
ical_name = "{}.ical".format(uid) ical_name = "{}_{}.ical".format(current_year, uid)
ical_path = os.path.join(trash_type_folder, ical_name) ical_path = os.path.join(trash_type_folder, ical_name)
with open(ical_path, "wb") as single_file: with open(ical_path, "wb") as single_file:
single_file.write(new_cal.to_ical()) single_file.write(new_cal.to_ical())