def _render_multirow(events, time_map, max_height):
"""Render a complex format that contains a multi-row R3 event.
"""
sp_event, *events = events
# Sort events by time, and then location. This is done here because
# we need to exclude the R3 event (by putting it first).
events = sorted(events, key=lambda e: (e.begin_time.value, e.location))
event_iter = iter(events)
# Render R0-R2 events in the first time period.
cells = _render_multirow_subrow(event_iter, time_map, events)
# Render the multi-row R3 event.
cells.extend([
render_attached_period(sp_event.begin_time, sp_event.end_time),
render_block(
sp_event, time_map, events, ['pull-right'],
max_height=max_height,
),
])
# Render the rest of the events.
try:
while True:
cells += _render_multirow_subrow(event_iter, time_map, events)
except StopIteration:
pass
# Join the results.
return html_join('', cells)
def render_table(day):
events = itertools.chain.from_iterable(
_filter_events(Cls, day)
for Cls in EVENT_CLASSES
)
groups = collect_event_groups(events)
head = mark_safe("""
<div class="time-table__header">
<div class="time-table__time"></div>
<div class="time-table__slot">
<div class="row">
<div class="slot-item header-cell header-cell--r0">R0</div>
<div class="slot-item header-cell header-cell--r1">R1</div>
<div class="slot-item header-cell header-cell--r2">R2</div>
<div class="slot-item header-cell header-cell--r3">R3</div>
</div>
</div>
</div>
""")
body = html_join('', (
render_row(times, group) for times, group in groups.items()
))
return format_html(
'<div class="time-table clearfix">{head}{body}</div>',
head=head, body=body,
)
def _render_multirow(events, time_map, max_height):
"""Render a complex format that contains a multi-row R3 event.
"""
sp_event, *events = events
# Sort events by time, and then location. This is done here because
# we need to exclude the R3 event (by putting it first).
events = sorted(events, key=lambda e: (e.begin_time.value, e.location))
event_iter = iter(events)
# Render R0-R2 events in the first time period.
cells = _render_multirow_subrow(event_iter, time_map, events)
# Render the multi-row R3 event.
cells.extend([
render_attached_period(sp_event.begin_time, sp_event.end_time),
render_block(
sp_event, time_map, events, ['pull-right'],
max_height=max_height,
),
])
# Render the rest of the events.
try:
while True:
cells += _render_multirow_subrow(event_iter, time_map, events)
except StopIteration:
pass
# Join the results.
return html_join('', cells)
def block_diff(current, snapshot):
return html_join(
mark_safe('<br>'),
difftools.make_diff(
snapshot.splitlines(),
current.splitlines(),
))
def render_table(day):
events = itertools.chain.from_iterable(
_filter_events(Cls, day)
for Cls in EVENT_CLASSES
)
groups = collect_event_groups(events)
head = mark_safe("""
<div class="time-table__header">
<div class="time-table__time"></div>
<div class="time-table__slot">
<div class="row">
<div class="slot-item header-cell header-cell--r0">R0</div>
<div class="slot-item header-cell header-cell--r1">R1</div>
<div class="slot-item header-cell header-cell--r2">R2</div>
<div class="slot-item header-cell header-cell--r3">R3</div>
</div>
</div>
</div>
""")
body = html_join('', (
render_row(times, group) for times, group in groups.items()
))
return format_html(
'<div class="time-table clearfix">{head}{body}</div>',
head=head, body=body,
)
def _render_blocks(events, time_map):
"""Render a R0-3 belt, a R0-2 partial belt (plus optionally a R3 event),
or an all-block (with or without R3) format.
"""
if events[0].location == Location.R3:
# If this contains R3, shuffle it to the back.
r3_event, *events = events
# If this is not a smooth row, we need to prevent any block from
# being rendered as short because we can't handle it with multi-height.
if any(r3_event.end_time != e.end_time for e in events):
min_height = 1
else:
min_height = 0
r3_block = render_block(
r3_event,
time_map,
events,
min_height=min_height,
)
else:
r3_event = None
r3_block = ''
# Render period block for R3.
# We cheat a little here: Times in R0-2 are supposed to be identical;
# only R3 can be different. We just compare the first event's times
# and R3's. If they are identical, R3 does not need its own period block,
# otherwise it does.
r3_period = ''
rx_begin, rx_end = events[0].begin_time, events[0].end_time
if r3_event:
r3_begin = r3_event.begin_time
r3_end = r3_event.end_time
if r3_begin != rx_begin or r3_end != rx_end:
r3_period = render_attached_period(r3_begin, r3_end)
return format_html(
'{r012_period}{r012_blocks}{r3_period}{r3_block}',
r012_period=render_attached_period(rx_begin, rx_end),
r012_blocks=html_join(
'',
(render_block(e, time_map, events) for e in events),
),
r3_period=r3_period,
r3_block=r3_block,
)
def _render_blocks(events, time_map):
"""Render a R0-3 belt, a R0-2 partial belt (plus optionally a R3 event),
or an all-block (with or without R3) format.
"""
if events[0].location == Location.R3:
# If this contains R3, shuffle it to the back.
r3_event, *events = events
# If this is not a smooth row, we need to prevent any block from
# being rendered as short because we can't handle it with multi-height.
if any(r3_event.end_time != e.end_time for e in events):
min_height = 1
else:
min_height = 0
r3_block = render_block(
r3_event, time_map, events, min_height=min_height,
)
else:
r3_event = None
r3_block = ''
# Render period block for R3.
# We cheat a little here: Times in R0-2 are supposed to be identical;
# only R3 can be different. We just compare the first event's times
# and R3's. If they are identical, R3 does not need its own period block,
# otherwise it does.
r3_period = ''
rx_begin, rx_end = events[0].begin_time, events[0].end_time
if r3_event:
r3_begin = r3_event.begin_time
r3_end = r3_event.end_time
if r3_begin != rx_begin or r3_end != rx_end:
r3_period = render_attached_period(r3_begin, r3_end)
return format_html(
'{r012_period}{r012_blocks}{r3_period}{r3_block}',
r012_period=render_attached_period(rx_begin, rx_end),
r012_blocks=html_join(
'',
(render_block(e, time_map, events) for e in events),
),
r3_period=r3_period,
r3_block=r3_block,
)
def render_all():
return html_join('', (
render_day(day, display)
for day, display in settings.EVENTS_DAY_NAMES.items()
))
def render_all():
return html_join('', (
render_day(day, display)
for day, display in settings.EVENTS_DAY_NAMES.items()
))
def dump_replace(a, b, alo, blo, ahi, bhi): # noqa
# Based on `difflib.Differ._fancy_replace`.
# When replacing one block of lines with another, search the blocks
# for *similar* lines; the best-matching pair (if any) is used as a
# sync point, and intraline difference marking is done on the
# similar pair. Lots of work, but often worth it.
best_ratio = 0
cutoff = 0.8
cruncher = difflib.SequenceMatcher(difflib.IS_CHARACTER_JUNK)
eqi, eqj = None, None
# Search for the first sync point.
for j in range(blo, bhi):
bj = b[j]
cruncher.set_seq2(bj)
for i in range(alo, ahi):
ai = a[i]
if ai == bj:
if eqi is None:
eqi, eqj = i, j
continue
cruncher.set_seq1(ai)
if (cruncher.real_quick_ratio() > best_ratio
and cruncher.quick_ratio() > best_ratio
and cruncher.ratio() > best_ratio):
best_ratio, best_i, best_j = cruncher.ratio(), i, j
# No "pretty close" pair.
if best_ratio < cutoff:
if eqi is None: # No identical pairs. Just dump.
yield from dump_delete(a, b, alo, blo, ahi, bhi)
yield from dump_insert(a, b, alo, blo, ahi, bhi)
return
# There's an identical pair. Use that.
best_i, best_j, best_ratio = eqi, eqj, 1.0
else:
eqi = None
# Dump things before the sync point.
yield from replace_helper(a, alo, best_i, b, blo, best_j)
# Intraline marking.
aelt, belt = a[best_i], b[best_j]
if eqi is None:
atags = []
btags = []
cruncher.set_seqs(aelt, belt)
for tag, ai1, ai2, bj1, bj2 in cruncher.get_opcodes():
acon, bcon = aelt[ai1:ai2], belt[bj1:bj2]
if tag == 'replace':
atags.append(format_html('<del>{}</del>', acon))
btags.append(format_html('<ins>{}</ins>', bcon))
elif tag == 'delete':
atags.append(format_html('<del>{}</del>', acon))
elif tag == 'insert':
btags.append(format_html('<ins>{}</ins>', bcon))
else: # Equal.
atags.append(acon)
btags.append(bcon)
yield format_html('<del>{}</del>', html_join('', atags))
yield format_html('<ins>{}</ins>', html_join('', btags))
else: # Identical.
yield aelt
# Dump things after the sync point.
yield from replace_helper(a, best_i + 1, ahi, b, best_j + 1, bhi)
def render_all():
return html_join('', (
render_day(day, display)
for day, display in DAY_NAMES.items()
))
def dump_replace(a, b, alo, blo, ahi, bhi):
# Based on `difflib.Differ._fancy_replace`.
# When replacing one block of lines with another, search the blocks
# for *similar* lines; the best-matching pair (if any) is used as a
# sync point, and intraline difference marking is done on the
# similar pair. Lots of work, but often worth it.
best_ratio = 0
cutoff = 0.8
cruncher = difflib.SequenceMatcher(difflib.IS_CHARACTER_JUNK)
eqi, eqj = None, None
# Search for the first sync point.
for j in range(blo, bhi):
bj = b[j]
cruncher.set_seq2(bj)
for i in range(alo, ahi):
ai = a[i]
if ai == bj:
if eqi is None:
eqi, eqj = i, j
continue
cruncher.set_seq1(ai)
if (cruncher.real_quick_ratio() > best_ratio and
cruncher.quick_ratio() > best_ratio and
cruncher.ratio() > best_ratio):
best_ratio, best_i, best_j = cruncher.ratio(), i, j
# No "pretty close" pair.
if best_ratio < cutoff:
if eqi is None: # No identical pairs. Just dump.
yield from dump_delete(a, b, alo, blo, ahi, bhi)
yield from dump_insert(a, b, alo, blo, ahi, bhi)
return
# There's an identical pair. Use that.
best_i, best_j, best_ratio = eqi, eqj, 1.0
else:
eqi = None
# Dump things before the sync point.
yield from replace_helper(a, alo, best_i, b, blo, best_j)
# Intraline marking.
aelt, belt = a[best_i], b[best_j]
if eqi is None:
atags = []
btags = []
cruncher.set_seqs(aelt, belt)
for tag, ai1, ai2, bj1, bj2 in cruncher.get_opcodes():
acon, bcon = aelt[ai1:ai2], belt[bj1:bj2]
if tag == 'replace':
atags.append(format_html('<del>{}</del>', acon))
btags.append(format_html('<ins>{}</ins>', bcon))
elif tag == 'delete':
atags.append(format_html('<del>{}</del>', acon))
elif tag == 'insert':
btags.append(format_html('<ins>{}</ins>', bcon))
else: # Equal.
atags.append(acon)
btags.append(bcon)
yield format_html('<del>{}</del>', html_join('', atags))
yield format_html('<ins>{}</ins>', html_join('', btags))
else: # Identical.
yield aelt
# Dump things after the sync point.
yield from replace_helper(a, best_i + 1, ahi, b, best_j + 1, bhi)