mirror of https://github.com/CIRCL/AIL-framework
Cleanup of main Paste module
Raphaël Vinot
parent
5b17d416c8
commit
ece3bc173e
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@ -16,7 +16,17 @@ Conditions to fulfill to be able to use this class correctly:
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"""
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import os, magic, gzip, langid, pprint, redis, operator, string, re, json, ConfigParser
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import os
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import magic
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import gzip
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import pprint
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import redis
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import operator
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import string
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import re
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import json
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import ConfigParser
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import cStringIO
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from Date import Date
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from Hash import Hash
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@ -25,11 +35,10 @@ from langid.langid import LanguageIdentifier, model
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from nltk.tokenize import RegexpTokenizer
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from textblob import TextBlob
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from lib_refine import *
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clean = lambda dirty: ''.join(filter(string.printable.__contains__, dirty))
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"""It filters out non-printable characters from the string it receives."""
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class Paste(object):
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"""
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This class representing a Paste as an object.
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@ -50,38 +59,29 @@ class Paste(object):
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configfile = './packages/config.cfg'
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cfg = ConfigParser.ConfigParser()
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cfg.read(configfile)
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self.p_path = p_path
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self.p_name = self.p_path.split('/')[-1]
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self.p_size = round(os.path.getsize(self.p_path)/1024.0,2)
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self.cache = redis.StrictRedis(
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host=cfg.get("Redis_Queues", "host"),
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port=cfg.getint("Redis_Queues", "port"),
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db=cfg.getint("Redis_Queues", "db"))
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self.p_path = p_path
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self.p_name = self.p_path.split('/')[-1]
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self.p_size = round(os.path.getsize(self.p_path)/1024.0, 2)
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self.p_mime = magic.from_buffer(self.get_p_content(), mime=True)
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self.p_encoding = None
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# Assuming that the paste will alway be in a day folder which is itself
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# in a month folder which is itself in a year folder.
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# /year/month/day/paste.gz
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var = self.p_path.split('/')
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self.p_date = Date(var[-4], var[-3], var[-2])
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self.p_hash_kind = None
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self.p_hash = None
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self.p_langage = None
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self.p_nb_lines = None
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self.p_max_length_line = None
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self.p_source = var[-5]
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self.p_encoding = None
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self.p_hash_kind = None
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self.p_hash = None
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self.p_langage = None
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self.p_nb_lines = None
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self.p_max_length_line = None
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def get_p_content(self):
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"""
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@ -92,16 +92,18 @@ class Paste(object):
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PST.get_p_content()
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"""
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r_serv = self.cache
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paste = r_serv.get(self.p_path)
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paste = self.cache.get(self.p_path)
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if paste is None:
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with gzip.open(self.p_path, 'rb') as F:
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paste = F.read()
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r_serv.set(self.p_path, paste)
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r_serv.expire(self.p_path, 300)
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with gzip.open(self.p_path, 'rb') as f:
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paste = f.read()
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self.cache.set(self.p_path, paste)
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self.cache.expire(self.p_path, 300)
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return paste
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def get_p_content_as_file(self):
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return cStringIO.StringIO(self.get_p_content())
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def get_lines_info(self):
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"""
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Returning and setting the number of lines and the maximum lenght of the
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@ -112,15 +114,17 @@ class Paste(object):
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:Example: PST.get_lines_info()
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"""
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if self.p_nb_lines is None or self.p_max_length_line is None:
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max_length_line = 0
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with gzip.open(self.p_path, 'rb') as F:
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for nb_line in enumerate(F):
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if len(nb_line[1]) >= max_length_line:
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max_length_line = len(nb_line[1])
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self.p_nb_lines = nb_line[0]
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f = self.get_p_content_as_file()
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for line_id, line in enumerate(f):
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length = len(line)
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if length >= max_length_line:
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max_length_line = length
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f.close()
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self.p_nb_lines = line_id
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self.p_max_length_line = max_length_line
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return (nb_line[0], max_length_line)
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return (self.p_nb_lines, self.p_max_length_line)
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def _get_p_encoding(self):
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"""
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@ -134,7 +138,6 @@ class Paste(object):
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except magic.MagicException:
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pass
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def _set_p_hash_kind(self, hashkind):
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"""
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Setting the hash (as an object) used for futur operation on it.
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@ -173,9 +176,7 @@ class Paste(object):
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..seealso: git@github.com:saffsd/langid.py.git
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"""
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identifier = LanguageIdentifier.from_modelstring(model, norm_probs=True)
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return identifier.classify(self.get_p_content())
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def _get_p_hash_kind(self):
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@ -210,10 +211,8 @@ class Paste(object):
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"""
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S = set([])
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with gzip.open(self.p_path, 'rb') as F:
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for num, line in enumerate(F, start):
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f = self.get_p_content_as_file()
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for num, line in enumerate(f, start):
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if len(line) >= min:
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if jump > 1:
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if (num % jump) == 1:
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@ -222,7 +221,6 @@ class Paste(object):
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S.add(self.p_hash_kind.Calculate(line))
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return S
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def is_duplicate(self, obj, min=1, percent=50, start=1, jump=10):
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"""
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Returning the percent of similarity with another paste.
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@ -264,7 +262,6 @@ class Paste(object):
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else:
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return False, var
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def save_all_attributes_redis(self, r_serv, key=None):
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"""
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Saving all the attributes in a "Redis-like" Database (Redis, LevelDB)
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@ -282,22 +279,24 @@ class Paste(object):
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"""
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# LevelDB Compatibility
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r_serv.hset(self.p_path, "p_name", self.p_name)
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r_serv.hset(self.p_path, "p_size", self.p_size)
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r_serv.hset(self.p_path, "p_mime", self.p_mime)
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#r_serv.hset(self.p_path, "p_encoding", self.p_encoding)
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r_serv.hset(self.p_path, "p_date", self._get_p_date())
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r_serv.hset(self.p_path, "p_hash_kind", self._get_p_hash_kind())
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r_serv.hset(self.p_path, "p_hash", self.p_hash)
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#r_serv.hset(self.p_path, "p_langage", self.p_langage)
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#r_serv.hset(self.p_path, "p_nb_lines", self.p_nb_lines)
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#r_serv.hset(self.p_path, "p_max_length_line", self.p_max_length_line)
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#r_serv.hset(self.p_path, "p_categories", self.p_categories)
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r_serv.hset(self.p_path, "p_source", self.p_source)
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if key != None:
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r_serv.sadd(key, self.p_path)
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p = r_serv.pipeline(False)
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p.hset(self.p_path, "p_name", self.p_name)
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p.hset(self.p_path, "p_size", self.p_size)
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p.hset(self.p_path, "p_mime", self.p_mime)
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# p.hset(self.p_path, "p_encoding", self.p_encoding)
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p.hset(self.p_path, "p_date", self._get_p_date())
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p.hset(self.p_path, "p_hash_kind", self._get_p_hash_kind())
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p.hset(self.p_path, "p_hash", self.p_hash)
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# p.hset(self.p_path, "p_langage", self.p_langage)
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# p.hset(self.p_path, "p_nb_lines", self.p_nb_lines)
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# p.hset(self.p_path, "p_max_length_line", self.p_max_length_line)
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# p.hset(self.p_path, "p_categories", self.p_categories)
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p.hset(self.p_path, "p_source", self.p_source)
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if key is not None:
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p.sadd(key, self.p_path)
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else:
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pass
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p.execute()
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def save_attribute_redis(self, r_serv, attr_name, value):
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"""
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@ -311,7 +310,6 @@ class Paste(object):
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def _get_from_redis(self, r_serv):
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return r_serv.hgetall(self.p_hash)
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def _get_top_words(self, sort=False):
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"""
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Tokenising method: Returning a sorted list or a set of paste's words
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@ -325,20 +323,16 @@ class Paste(object):
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"""
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words = {}
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tokenizer = RegexpTokenizer('[\&\~\:\;\,\.\(\)\{\}\|\[\]\\\\/\-/\=\'\"\%\$\?\@\+\#\_\^\<\>\!\*\n\r\t\s]+',
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gaps = True,
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discard_empty = True)
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gaps=True, discard_empty=True)
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blob = TextBlob(clean(self.get_p_content()),
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tokenizer = tokenizer)
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blob = TextBlob(clean(self.get_p_content()), tokenizer=tokenizer)
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for word in blob.tokens:
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if word in words.keys():
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num = words[word]
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else:
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num = 0
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words[word] = num + 1
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if sort:
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var = sorted(words.iteritems(), key=operator.itemgetter(1), reverse=True)
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else:
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@ -346,7 +340,6 @@ class Paste(object):
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return var
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def _get_word(self, word):
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"""
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Returning a specific word and his occurence if present in the paste
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@ -358,7 +351,6 @@ class Paste(object):
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"""
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return [item for item in self._get_top_words() if item[0] == word]
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def get_regex(self, regex):
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"""
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Returning matches with the regex given as an argument.
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