def report(request, classes):
ctx = {}
date_from, date_to = get_time_interval(request.REQUEST, ctx, days_ago=1)
page = int(request.REQUEST.get("page", 1))
size = int(request.REQUEST.get("size", 5))
query = \
""" SELECT hmv.crawl_id, hmv.start_time, hgcls.classes,
hgcnt.group_id, hgcnt.title, hgcnt.description
FROM hits_mv AS hmv
JOIN main_hitgroupclass AS hgcls ON hmv.group_id = hgcls.group_id
JOIN main_hitgroupcontent AS hgcnt ON hgcls.group_id = hgcnt.group_id
WHERE hmv.start_time >= '{}' AND hmv.start_time < '{}' AND
hgcls.classes & {} <> 0
ORDER BY start_time ASC
LIMIT {}
OFFSET {}
""".format(date_from, date_to, classes, size, (page - 1) * size)
data = query_to_dicts(query)
def _data_formatter(input):
for cc in input:
yield cc[0], cc[1], cc[2]
# data = _data_formatter(data)
ctx["data"] = data
ctx["classes"] = classes
ctx["first_page"] = page == 1
ctx["last_page"] = False # TODO finish it.
ctx["next_page"] = page + 1
ctx["prev_page"] = page - 1
if size != 5:
ctx["size"] = size
return direct_to_template(request, 'main/classification_report.html', ctx)
def arrivals(request, tab_slug=None):
tab = ArrivalsTabEnum.value_for_slug.get(tab_slug, ArrivalsTabEnum.ALL)
ctx = {
'multichart': False,
'columns': ArrivalsTabEnum.get_graph_columns(tab),
'title': ArrivalsTabEnum.get_tab_title(tab),
'top_tabs': ArrivalsTabEnum.enum_dict.values(),
'current_tab': ArrivalsTabEnum.enum_dict[tab],
}
def arrivals_data_formater(input, tab):
for cc in input:
yield {
'date': cc.date,
'row': ArrivalsTabEnum.data_set_processor[tab](cc),
}
date_from, date_to = get_time_interval(request.GET, ctx)
data = DayStats.objects.filter(date__gte=date_from, date__lte=date_to)
ctx['data'] = arrivals_data_formater(data, tab)
return direct_to_template(request, 'main/graphs/timeline.html', ctx)
def general(request, tab_slug=None):
tab = GeneralTabEnum.value_for_slug.get(tab_slug, GeneralTabEnum.ALL)
ctx = {
'multichart': tab == GeneralTabEnum.ALL,
'columns': GeneralTabEnum.get_graph_columns(tab),
'title': GeneralTabEnum.get_tab_title(tab),
'current_tab': GeneralTabEnum.enum_dict[tab],
'top_tabs': GeneralTabEnum.enum_dict.values(),
}
date_from, date_to = get_time_interval(request.GET, ctx, days_ago=7)
data = data_formater(query_to_dicts('''
SELECT reward, hits, projects as "count", spam_projects, start_time
FROM main_crawlagregates
WHERE start_time >= %s AND start_time <= %s
ORDER BY start_time ASC
''', date_from, date_to))
def _is_anomaly(a, others):
mid = sum(map(lambda e: int(e['row'][0]), others)) / len(others)
return abs(mid - int(a['row'][0])) > 7000
def _fixer(a, others):
val = sum(map(lambda e: int(e['row'][0]), others)) / len(others)
a['row'] = (str(val), a['row'][1], a['row'][2], a['row'][3])
return a
if settings.DATASMOOTHING:
ctx['data'] = plot.repair(list(data), _is_anomaly, _fixer, 2)
else:
ctx['data'] = list(data)
ctx['data'] = GeneralTabEnum.data_set_processor[tab](ctx['data'])
return direct_to_template(request, 'main/graphs/timeline.html', ctx)
def aggregates(request, classes=None):
""" Displays charts with variability of classes in time. """
all_classes = sorted(LABELS.keys())
max_classes = sum(all_classes)
classes = int(classes) if classes is not None else 0
if classes > max_classes:
raise Http404
top_tabs = map(lambda c: ClassificationTab(classes, c), all_classes)
if classes > 0:
chosen_classes = []
for cls in all_classes:
if classes & cls:
chosen_classes.append(cls)
else:
chosen_classes = [0]
num_classes = 1
num_classes = len(chosen_classes)
ctx = {
"top_tabs": top_tabs,
"multitabs": True,
"multichart": False,
"columns": (("date", "Date"),) +
# Create a column description for a quantity of each class.
tuple(map(lambda c: ("number", str(c)), chosen_classes)),
"title": "Classification",
"active_tabs": chosen_classes,
}
def _data_formatter(input):
for cc in input:
yield {
"date": cc[0],
"row": (str(cc[l + 1]) for l in range(num_classes)),
}
date_from, date_to = get_time_interval(request.GET, ctx, days_ago=7)
if classes > 0:
# Create a list of columns corresponding to the available classes.
# This is a pivot query. For example it translates record from:
# crawl_id | classess | hits_available
# 735 | 0 | 12
# 735 | 1 | 18
# 735 | 2 | 98
# 736 | 0 | 7
# 736 | 1 | 17
# 736 | 2 | 99
# to the form that is easy to use in templates:
# crawl_id | 0 | 1 | 2
# 735 | 12 | 18 | 98
# 736 | 7 |17 | 99
# Given from http://sykosomatic.org/2011/09/pivot-tables-in-postgresql/
columns = map(lambda l: "COALESCE(MAX(CASE classes "
"WHEN {0} THEN hits_available END"
"), 0) AS \"{0}\"".format(l), chosen_classes)
query_prefix = \
"""
SELECT start_time, {}
FROM main_hitgroupclassaggregate
""".format(", ".join(columns))
else:
query_prefix = \
"""
SELECT start_time, sum(hits_available) AS "0"
FROM main_hitgroupclassaggregate
"""
query = \
""" {}
WHERE start_time >= \'{}\' AND start_time <= \'{}\'
GROUP BY crawl_id, start_time
ORDER BY start_time ASC
""".format(query_prefix, date_from, date_to)
data = query_to_lists(query)
def _anomalies(row, others):
lgt = len(others)
siz = len(row)
mids = [sum(map(lambda o: o[i], others)) / lgt for i in range(1, siz)]
abss = [abs(mids[i - 1] - row[i]) for i in range(1, siz)]
return [i for i in range(1, siz) if abss[i - 1] > 7000]
def _fixer(row, others, anomalies):
lgt = len(others)
for a in anomalies:
val = sum(map(lambda o: o[a], others)) / lgt
row[a] = val
return row
if settings.DATASMOOTHING:
data = plot.vrepair(list(data), _anomalies, _fixer, 8)
else:
data = list(data)
ctx['data'] = _data_formatter(data)
return direct_to_template(request, 'main/graphs/timeline.html', ctx)
