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Webstats should correctly updates top_progression_zset (Not fully tested because not enough data. Will be tested latter)

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Mokaddem 2016-12-08 10:05:07 +01:00
parent 570324060e
commit 73d4f9e082
1 changed files with 41 additions and 21 deletions
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62
bin/WebStats.py
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@ -38,35 +38,55 @@ def get_date_range(num_day):
date_list.append(date.substract_day(i)) date_list.append(date.substract_day(i))
return date_list return date_list
# Compute the progression for one keyword
def compute_progression_word(keyword):
date_range = get_date_range(num_day)
# check if this keyword is eligible for progression
keyword_total_sum = 0
value_list = []
for date in date_range: # get value up to date_range
curr_value = server.hget(keyword, date)
value_list.append(int(curr_value if curr_value is not None else 0))
keyword_total_sum += int(curr_value) if curr_value is not None else 0
oldest_value = value_list[-1] if value_list[-1] != 0 else 1 #Avoid zero division
# The progression is based on the ratio: value[i] / value[i-1]
keyword_increase = 0
value_list_reversed = value_list[:]
value_list_reversed.reverse()
for i in range(1, len(value_list_reversed)):
divisor = value_list_reversed[i-1] if value_list_reversed[i-1] != 0 else 1
keyword_increase += value_list_reversed[i] / divisor
return (keyword_increase, keyword_total_sum)
'''
recompute the set top_progression zset
- Compute the current field progression
- re-compute the current progression for each first 2*max_set_cardinality fields in the top_progression_zset
'''
def compute_progression(server, field_name, num_day, url_parsed): def compute_progression(server, field_name, num_day, url_parsed):
redis_progression_name = 'top_progression_'+field_name redis_progression_name_set = "z_top_progression_"+field_name
redis_progression_name_set = 'top_progression_'+field_name+'_set'
keyword = url_parsed[field_name] keyword = url_parsed[field_name]
if keyword is not None: if keyword is not None:
date_range = get_date_range(num_day)
# check if this keyword is eligible for progression #compute the progression of the current word
keyword_total_sum = 0 keyword_increase, keyword_total_sum = compute_progression_word(keyword)
value_list = []
for date in date_range: # get value up to date_range
curr_value = server.hget(keyword, date)
value_list.append(int(curr_value if curr_value is not None else 0))
keyword_total_sum += int(curr_value) if curr_value is not None else 0
oldest_value = value_list[-1] if value_list[-1] != 0 else 1 #Avoid zero division
# The progression is based on the ratio: value[i] / value[i-1] #re-compute the progression of 2*max_set_cardinality
keyword_increase = 0 current_top = server.zrevrangebyscore(redis_progression_name_set, '+inf', '-inf', withscores=True, start=0, num=2*max_set_cardinality)
value_list_reversed = value_list[:] for word, value in array_top_day:
value_list_reversed.reverse() word_inc, word_tot_sum = compute_progression_word(word)
for i in range(1, len(value_list_reversed)): server.zrem(redis_progression_name_set, word)
divisor = value_list_reversed[i-1] if value_list_reversed[i-1] != 0 else 1 if (word_tot_sum > threshold_total_sum) and (word_inc > threshold_increase):
keyword_increase += value_list_reversed[i] / divisor server.zadd(redis_progression_name_set, float(word_inc), word)
# filter # filter before adding
if (keyword_total_sum > threshold_total_sum) and (keyword_increase > threshold_increase): if (keyword_total_sum > threshold_total_sum) and (keyword_increase > threshold_increase):
server.zadd(redis_progression_name_set, float(keyword_increase), keyword)
server.zadd("z_top_progression_"+field_name, float(keyword_increase), keyword)
if __name__ == '__main__': if __name__ == '__main__':