AIL-framework/bin/packages/lib_words.py

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import os
import string
from pubsublogger import publisher
import calendar
from datetime import date
from dateutil.rrule import rrule, DAILY
import csv
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def listdirectory(path):
"""Path Traversing Function.
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:param path: -- The absolute pathname to a directory.
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This function is returning all the absolute path of the files contained in
the argument directory.
"""
fichier = []
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for root, dirs, files in os.walk(path):
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for i in files:
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fichier.append(os.path.join(root, i))
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return fichier
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clean = lambda dirty: ''.join(filter(string.printable.__contains__, dirty))
"""It filters out non-printable characters from the string it receives."""
def create_dirfile(r_serv, directory, overwrite):
"""Create a file of path.
:param r_serv: -- connexion to redis database
:param directory: -- The folder where to launch the listing of the .gz files
This function create a list in redis with inside the absolute path
of all the pastes needed to be proceeded by function using parallel
(like redis_words_ranking)
"""
if overwrite:
r_serv.delete("filelist")
for x in listdirectory(directory):
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r_serv.lpush("filelist", x)
publisher.info("The list was overwritten")
else:
if r_serv.llen("filelist") == 0:
for x in listdirectory(directory):
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r_serv.lpush("filelist", x)
publisher.info("New list created")
else:
for x in listdirectory(directory):
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r_serv.lpush("filelist", x)
publisher.info("The list was updated with new elements")
def create_curve_with_word_file(r_serv, csvfilename, feederfilename, year, month):
"""Create a csv file used with dygraph.
:param r_serv: -- connexion to redis database
:param csvfilename: -- the path to the .csv file created
:param feederfilename: -- the path to the file which contain a list of words.
:param year: -- (integer) The year to process
:param month: -- (integer) The month to process
This function create a .csv file using datas in redis.
It's checking if the words contained in feederfilename and
their respectives values by days exists. If these values are missing
(Word not present during a day) it's will automatically put a 0
to keep the timeline of the curve correct.
"""
first_day = date(year, month, 01)
last_day = date(year, month, calendar.monthrange(year, month)[1])
words = []
with open(feederfilename, 'rb') as f:
# words of the files
words = sorted([word.strip() for word in f])
headers = ['Date'] + words
with open(csvfilename+'.csv', 'wb') as f:
writer = csv.writer(f)
writer.writerow(headers)
# for each days
for dt in rrule(DAILY, dtstart=first_day, until=last_day):
row = []
curdate = dt.strftime("%Y%m%d")
row.append(curdate)
# from the 1srt day to the last of the list
for word in words:
value = r_serv.hget(word, curdate)
if value is None:
row.append(0)
else:
# if the word have a value for the day
row.append(value)
writer.writerow(row)