napkin-text-analysis/bin/napkin.py

133 lines
4.6 KiB
Python

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import redis
import spacy
from spacy_langdetect import LanguageDetector
import argparse
import sys
import simplejson as json
parser = argparse.ArgumentParser(description="Extract statistical analysis of text")
parser.add_argument('-v', help="verbose output")
parser.add_argument('-f', help="file to analyse")
parser.add_argument('-t', help="maximum value for the top list (default is 100) -1 is no limit", default=100)
parser.add_argument('-s', help="display the overall statistics (default is False)", default=False, action='store_true')
parser.add_argument('-o', help="output format (default is csv), json", default="csv")
parser.add_argument('-l', help="language used for the analysis (default is en)", default="en")
parser.add_argument('--verbatim', help="Don't use the lemmatized form, use verbatim. (default is the lematized form)", default=False, action='store_true')
parser.add_argument('--no-flushdb', help="Don't flush the redisdb, useful when you want to process multiple files and aggregate the results. (by default the redis database is flushed at each run)", default=False, action='store_true')
parser.add_argument('--binary', help="Output response in binary instead of UTF-8 (default)", default=False, action='store_true')
args = parser.parse_args()
if args.f is None:
parser.print_help()
sys.exit()
if not args.binary:
redisdb = redis.Redis(host="localhost", port=6380, db=5, encoding='utf-8', decode_responses=True)
else:
redisdb = redis.Redis(host="localhost", port=6380, db=5)
try:
redisdb.ping()
except:
print("Redis database on port 6380 is not running...", file=sys.stderr)
sys.exit()
if not args.no_flushdb:
redisdb.flushdb()
if args.l == "fr":
nlp = spacy.load("fr_core_news_md")
else:
nlp = spacy.load("en_core_web_md")
nlp.add_pipe(LanguageDetector(), name='language_detector', last=True)
nlp.max_length = 2000000
with open(args.f, 'r') as file:
text = file.read()
doc = nlp(text)
analysis = ["verb", "noun", "hashtag", "mention",
"digit", "url", "oov", "labels",
"punct"]
redisdb.hset("stats", "token", doc.__len__())
for token in doc:
if token.pos_ == "VERB" and not token.is_oov:
if not args.verbatim:
redisdb.zincrby("verb", 1, token.lemma_)
else:
redisdb.zincrby("verb", 1, token.text)
redisdb.hincrby("stats", "verb", 1)
continue
if token.pos_ == "NOUN" and not token.is_oov:
if not args.verbatim:
redisdb.zincrby("noun", 1, token.lemma_)
else:
redisdb.zincrby("noun", 1, token.text)
redisdb.hincrby("stats", "noun", 1)
continue
if token.is_oov:
value = "{}".format(token)
if value.startswith('#'):
redisdb.zincrby("hashtag", 1, value[1:])
redisdb.hincrby("stats", "hashtag", 1)
continue
if value.startswith('@'):
redisdb.zincrby("mention", 1, value[1:])
redisdb.hincrby("stats", "mention", 1)
continue
if token.is_digit:
redisdb.zincrby("digit", 1, value)
redisdb.hincrby("stats", "digit", 1)
continue
if token.is_space:
redisdb.hincrby("stats", "space", 1)
continue
if token.like_url:
redisdb.zincrby("url", 1, value)
redisdb.hincrby("stats", "url", 1)
continue
if token.like_email:
redisdb.zincrby("email", 1, value)
redisdb.hincrby("stats", "email", 1)
continue
if token.is_punct:
redisdb.zincrby("punct", 1, value)
redisdb.hincrby("stats", "punct", 1)
continue
redisdb.zincrby("oov", 1, value)
redisdb.hincrby("stats", "oov", 1)
for entity in doc.ents:
redisdb.zincrby("labels", 1, entity.label_)
if args.o == "json":
output_json = {"format":"napkin"}
for anal in analysis:
x = redisdb.zrevrange(anal, 1, args.t, withscores=True)
if args.o == "csv":
print ("# Top {} of {}".format(args.t, anal))
elif args.o == "json":
output_json.update({anal:[]})
for a in x:
if args.o == "csv":
print ("{},{}".format(a[0],a[1]))
elif args.o == "json":
output_json[anal].append(a)
if args.o == "csv":
print ("#")
if args.s:
print (redisdb.hgetall('stats'))
if args.o == "json":
print(json.dumps(output_json))