def get_next_item_occurrences_UTC(base_time, utcbase, utcoffset, filename,
id_, rule, occs):
limits = occs.get_item_time_span(filename, id_)
if limits:
minstart, maxend = limits
interval = rule['#'][1]
rend = rule['#'][4]
inclusive = rule['#'][5]
# start can't be based on base_time, in fact an except rule can affect
# an occurrence even if its start and end times are out of the time
# range
start = occur_regularly.compute_min_time(minstart, rule['#'][0],
interval, rule['#'][2], rule['#'][3])
# Because of the start time note above, this loop will take a long time
# to complete for wide search ranges and short intervals (bug #329)
while True:
end = start + rend
next_occ = occs.get_next_occurrence_time()
if not next_occ or start > next_occ:
break
if start <= maxend and end >= minstart:
# The rule is checked in make_rule, no need to use occs.except_
occs.except_safe(filename, id_, start, end, inclusive)
start += interval
def get_occurrences_range_UTC(mint, utcmint, maxt, utcoffset, filename, id_,
rule, occs):
limits = occs.get_item_time_span(filename, id_)
if limits:
minstart, maxend = limits
interval = rule['#'][1]
rend = rule['#'][4]
inclusive = rule['#'][5]
# start can't be based on mint, in fact an except rule can affect an
# occurrence even if its start and end times are out of the time range
start = occur_regularly.compute_min_time(minstart, rule['#'][0],
interval, rule['#'][2], rule['#'][3])
# Because of the start time note above, this loop will take a long time
# to complete for example when retrieving the old alarms, and such a
# search couldn't be aborted, since the aborting happens there, not in
# this loop (bug #329)
while True:
end = start + rend
if start > maxend:
break
elif end >= minstart:
# The rule is checked in make_rule, no need to use occs.except_
occs.except_safe(filename, id_, start, end, inclusive)
start += interval
def get_next_item_occurrences_UTC(base_time, utcbase, utcoffset, filename, id_,
rule, occs):
limits = occs.get_item_time_span(filename, id_)
if limits:
minstart, maxend = limits
interval = rule['#'][1]
rend = rule['#'][4]
inclusive = rule['#'][5]
# start can't be based on base_time, in fact an except rule can affect
# an occurrence even if its start and end times are out of the time
# range
start = occur_regularly.compute_min_time(minstart, rule['#'][0],
interval, rule['#'][2],
rule['#'][3])
# Because of the start time note above, this loop will take a long time
# to complete for wide search ranges and short intervals (bug #329)
while True:
end = start + rend
next_occ = occs.get_next_occurrence_time()
if not next_occ or start > next_occ:
break
if start <= maxend and end >= minstart:
# The rule is checked in make_rule, no need to use occs.except_
occs.except_safe(filename, id_, start, end, inclusive)
start += interval
def get_occurrences_range_UTC(mint, utcmint, maxt, utcoffset, filename, id_,
rule, occs):
limits = occs.get_item_time_span(filename, id_)
if limits:
minstart, maxend = limits
interval = rule['#'][1]
rend = rule['#'][4]
inclusive = rule['#'][5]
# start can't be based on mint, in fact an except rule can affect an
# occurrence even if its start and end times are out of the time range
start = occur_regularly.compute_min_time(minstart, rule['#'][0],
interval, rule['#'][2],
rule['#'][3])
# Because of the start time note above, this loop will take a long time
# to complete for example when retrieving the old alarms, and such a
# search couldn't be aborted, since the aborting happens there, not in
# this loop (bug #329)
while True:
end = start + rend
if start > maxend:
break
elif end >= minstart:
# The rule is checked in make_rule, no need to use occs.except_
occs.except_safe(filename, id_, start, end, inclusive)
start += interval
def get_next_item_occurrences_local(base_time, utcbase, utcoffset, filename,
id_, rule, occs):
limits = occs.get_item_time_span(filename, id_)
if limits:
minstart, maxend = limits
interval = rule['#'][1]
rend = rule['#'][4]
inclusive = rule['#'][5]
# start can't be based on base_time, in fact an except rule can affect
# an occurrence even if its start and end times are out of the time
# range
# Subtract utcoffset.compute(minstart) because in Western (negative)
# time zones (e.g. Pacific/Honolulu), the first occurrence to be found
# would otherwise be already too late; in Eastern (positive) time
# zones the problem would pass unnoticed because the first occurrence
# would be found too early, and simply several cycles would not
# produce occurrences in the search range
start = occur_regularly.compute_min_time(
minstart - utcoffset.compute(minstart), rule['#'][0], interval,
rule['#'][2], rule['#'][3])
# Because of the start time note above, this loop will take a long time
# to complete for wide search ranges and short intervals (bug #329)
while True:
# Every timestamp can have a different UTC offset, depending
# whether it's in a DST period or not
offset = utcoffset.compute(start)
sstart = start + offset
send = sstart + rend
next_occ = occs.get_next_occurrence_time()
# Do compare sstart with next_occ, *not* start
if not next_occ or sstart > next_occ:
break
# Do compare sstart with maxend and send with minstart, *not* start
# and end
if sstart <= maxend and send >= minstart:
# The rule is checked in make_rule, no need to use occs.except_
occs.except_safe(filename, id_, sstart, send, inclusive)
start += interval
def get_next_item_occurrences_local(base_time, utcbase, utcoffset, filename,
id_, rule, occs):
limits = occs.get_item_time_span(filename, id_)
if limits:
minstart, maxend = limits
interval = rule['#'][1]
rend = rule['#'][4]
inclusive = rule['#'][5]
# start can't be based on base_time, in fact an except rule can affect
# an occurrence even if its start and end times are out of the time
# range
# Subtract utcoffset.compute(minstart) because in Western (negative)
# time zones (e.g. Pacific/Honolulu), the first occurrence to be found
# would otherwise be already too late; in Eastern (positive) time
# zones the problem would pass unnoticed because the first occurrence
# would be found too early, and simply several cycles would not
# produce occurrences in the search range
start = occur_regularly.compute_min_time(minstart - utcoffset.compute(
minstart), rule['#'][0], interval, rule['#'][2], rule['#'][3])
# Because of the start time note above, this loop will take a long time
# to complete for wide search ranges and short intervals (bug #329)
while True:
# Every timestamp can have a different UTC offset, depending
# whether it's in a DST period or not
offset = utcoffset.compute(start)
sstart = start + offset
send = sstart + rend
next_occ = occs.get_next_occurrence_time()
# Do compare sstart with next_occ, *not* start
if not next_occ or sstart > next_occ:
break
# Do compare sstart with maxend and send with minstart, *not* start
# and end
if sstart <= maxend and send >= minstart:
# The rule is checked in make_rule, no need to use occs.except_
occs.except_safe(filename, id_, sstart, send, inclusive)
start += interval
