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extract_textweets.py
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extract_textweets.py
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import re
import datetime
from collections import defaultdict
import ucto
import sys
import time_functions
def extract_date(tweet,date):
convert_nums = {"een":1, "twee":2, "drie":3, "vier":4,"vijf":5, "zes":6, "zeven":7, "acht":8,
"negen":9, "tien":10, "elf":11, "twaalf":12, "dertien":13,"veertien":14, "vijftien":15,
"zestien":16, "zeventien":17,"achtien":18, "negentien":19, "twintig":20,"eenentwintig":21,
"tweeentwintig":22,"drieentwintig":23,"vierentwintig":24,"vijfentwintig":25,
"zesentwintig":26,"zevenentwintig":27,"achtentwintig":28,"negenentwintig":29,"dertig":30,
"eenendertig":31}
convert_month = {"jan":1, "januari":1, "feb":2, "februari":2,"mrt":3, "maart":3, "apr":4,
"april":4,"mei":5,"jun":6,"juni":6,"jul":7,"juli":7,"aug":8,"augustus":8,"sep":9,
"september":9, "okt":10,"oktober":10, "nov":11,"november":11,"dec":12, "december":12}
convert_timeunit = {"dagen":1, "daagjes":1, "dag":1,"dagje":1,"nachten":1,"nachtjes":1,"nacht":1,
"nachtje":1,"weken":7,"weekjes":7,"week":7,"weekje":7,"maanden":30,"maandjes":30,"maand": 30,
"maandje":30}
weekdays=["maandag","dinsdag","woensdag","donderdag","vrijdag","zaterdag","zondag"]
spec_days=["overmorgen"]
nums = (r"(\d+|een|twee|drie|vier|vijf|zes|zeven|acht|negen|tien|elf|twaalf|dertien|veertien|"
"vijftien|zestien|zeventien|achtien|negentien|twintig|eenentwintig|tweeentwintig|"
"drieentwintig|vierentwintig|vijfentwintig|zesentwintig|zevenentwintig|achtentwintig|"
"negenentwintig|dertig|eenendertig)")
months = (r"(jan|januari|feb|februari|mrt|maart|apr|april|mei|jun|juni|jul|juli|aug|augustus|"
"sep|september|okt|oktober|nov|november|dec|december)")
timeunits = (r"(dagen|daagjes|dag|dagje|nachten|nachtjes|nacht|nachtje|weken|weekjes|week|"
"weekje|maanden|maandjes|maand|maandje)")
list_patterns = ([r"(over|nog) (minimaal |maximaal |tenminste |bijna |ongeveer |maar |slechts |"
"pakweg |ruim |krap |(maar )?een kleine |(maar )?iets (meer|minder) dan )?" + (nums) + " " +
(timeunits) + r"($| )", (nums) + " " + (timeunits) + r"( slapen)? tot",
r"met( nog)? (minimaal |maximaal |tenminste |bijna |ongeveer |maar |slechts |pakweg |ruim |"
"krap |(maar )?een kleine |(maar )?iets (meer|minder) dan )?" + (nums) + " " + (timeunits) +
r"( nog)? te gaan",r"(\b|^)" + (nums) + " " + (months) + r"( |$)" + r"(\d{4})?",
r"(\b|^)(\d{1,2}-\d{1,2})(-\d{2,4})?(\b|$)",r"(\b|^)(\d{1,4}/\d{1,2})(/\d{1,4})?(\b|$)",
r"(\b|$)(volgende week|komende|aankomende|deze) (maandag|dinsdag|woensdag|donderdag|vrijdag|zaterdag|zondag)"
r" ?(avond|nacht|ochtend|middag)?( |$)",r"(\b|$)(overmorgen) ?(avond|nacht|ochtend|middag)?( |$)"])
date_eu = re.compile(r"(\d{1,2})-(\d{1,2})-?(\d{2,4})?")
date_vs = re.compile(r"(\d{1,4})/(\d{1,2})/(\d{1,4})")
date_vs2 = re.compile(r"(\d{1,2})/(\d{1,2})/(\d{2,4})")
date_vs3 = re.compile(r"(\d{1,2})/(\d{1,2})")
ns = convert_nums.keys()
timeus = convert_timeunit.keys()
ms = convert_month.keys()
if re.findall('|'.join(list_patterns), tweet):
#print tweet,re.findall('|'.join(list_patterns), tweet)
timephrases = []
matches = re.findall('|'.join(list_patterns), tweet)
nud = defaultdict(list)
for i,units in enumerate(matches):
timephrases.append(" ".join([x for x in units if len(x) > 0 and not x == " "]))
for unit in units:
# print(unit)
if unit in ns:
nud["num"].append((convert_nums[unit],i))
elif unit in timeus:
if not "weekday" in nud:
nud["timeunit"].append((convert_timeunit[unit],i))
elif unit in ms:
nud["month"].append((convert_month[unit],i))
elif re.search(r"\d{1,2}-\d{1,2}",unit) or \
re.search(r"\d{1,2}/\d{1,2}",unit):
nud["date"].append((unit,i))
timephrases[i] = "".join([x for x in units if len(x) > 0 and not x == " "])
elif re.search(r"-\d{2,4}",unit) or re.search(r"/\d{1,4}",unit):
nud["year"].append((unit,i))
elif re.match(r"\d+",unit):
if int(unit) in range(2010,2020):
nud["year"].append((int(unit),i))
elif "num" in nud:
if int(unit) in range(1,13):
nud["month"].append((int(unit),i))
nud["num"].append((int(unit),i))
else:
nud["num"].append((int(unit),i))
elif unit in weekdays:
nud["weekday"].append((unit,i))
if re.search(unit + r"(avond|middag|ochtend|nacht)",tweet):
timephrases[i] = "".join([x for x in units if len(x) > 0 and not x == " "])
elif unit in spec_days:
nud["sday"].append((unit,i))
elif unit == "volgende week":
nud["nweek"].append((unit,i))
timephrases[i] = timephrases[i].replace(" "," ")
regexPattern = '|'.join(map(re.escape, timephrases))
tp = ', '.join(timephrases)
output = [re.split(regexPattern, tweet),tp]
if "timeunit" in nud:
if not "month" in nud and not "date" in nud: #overrule by more specific time indication
for t in nud["timeunit"]:
num_match = t[1]
if "num" in nud:
days = t[0] * [x[0] for x in nud["num"] if x[1] == num_match][0]
try:
if days > 0:
output.append(date + datetime.timedelta(days=days))
except OverflowError:
continue
if "month" in nud:
for t in nud["month"]:
num_match = t[1]
m = t[0]
try:
d = [x[0] for x in nud["num"] if x[1] == num_match][0]
if "year" in nud:
if num_match in [x[1] for x in nud["year"]]:
y = [x[0] for x in nud["year"] if x[1] == num_match][0]
else:
y = date.year
else:
y = date.year
if date < datetime.date(y,m,d):
output.append(datetime.date(y,m,d))
except:
continue
if "date" in nud:
for da in nud["date"]:
num_match = da[1]
if re.search("-",da[0]):
if "year" in nud:
if num_match in [x[1] for x in nud["year"]]:
# print("da0",da[0],"nudyear",nud["year"],"nylist",[x for x in nud["year"]])
ds = date_eu.search(da[0] + [x[0] for x in nud["year"] if x[1] == \
num_match][0]).groups()
else:
ds = date_eu.search(da[0]).groups()
else:
ds = date_eu.search(da[0]).groups()
dsi = [int(x) for x in ds if x != None]
if dsi[1] in range(1,13) and \
dsi[0] in range(1,32):
try:
if ds[2] == None:
if date < datetime.date(date.year,dsi[1],dsi[0]):
output.append(datetime.date(date.year,dsi[1],dsi[0]))
else:
if dsi[2] in range(2010,2020):
if date < datetime.date(dsi[2],dsi[1],dsi[0]):
output.append(datetime.date(dsi[2],dsi[1],dsi[0]))
except:
continue
elif re.search("/",da[0]):
if "year" in nud:
if num_match in [x[1] for x in nud["year"]]:
# print("da0",da[0],"nudyear",nud["year"],"nylist",[x for x in nud["year"]])
ds = date_vs.search(da[0] + [x[0] for x in nud["year"] if x[1] == \
num_match][0]).groups()
else:
ds = date_vs3.search(da[0]).groups()
else:
ds = date_vs3.search(da[0]).groups()
dsi = [int(x) for x in ds if x != None]
try:
if dsi[0] in range(1,32) and dsi[1] in range(1,13): #30/03/2015
outdate = False
if len(dsi) == 3:
if len(str(dsi[2])) == 4:
outdate = datetime.date(dsi[2],dsi[1],dsi[0])
elif len(str(dsi[2])) == 2:
if dsi[2] in range(10,21):
outdate = datetime.date((dsi[2]+2000),dsi[1],dsi[0])
else:
outdate = datetime.date(date.year,dsi[1],dsi[0])
if outdate:
if date < outdate:
output.append(outdate)
elif dsi[0] in range(1,13) and dsi[1] in range(1,32): #30/03
if date < datetime.date(date.year,dsi[0],dsi[1]):
output.append(datetime.date(date.year,dsi[0],dsi[1]))
elif dsi[0] in range(2010,2020): #2015/03/30
if dsi[1] in range(1,13) and dsi[2] in range(1,32):
if date < datetime.date(dsi[0],dsi[1],dsi[2]):
output.append(datetime.date(dsi[0],dsi[1],dsi[2]))
except:
continue
if "weekday" in nud:
if not "date" in nud and not "month" in nud and not "timeunit" in nud: # overrule by more specific indication
# ptags = return_postags(tweet,f,wws = True)
# past = False
# for tag in ptags:
# if re.search(r"^WW\(vd",tag[1]) or re.search(r"^WW\(pv,verl",tag[1]):
# past = True
# if not past:
tweet_weekday=date.weekday()
for w in nud["weekday"]:
num_match = w[1]
ref_weekday=weekdays.index(w[0])
if num_match in [x[1] for x in nud["nweek"]]:
add = 7
else:
add = 0
if not ref_weekday == tweet_weekday and not num_match in [x[1] for x in nud["nweek"]]:
if tweet_weekday < ref_weekday:
days_ahead = ref_weekday - tweet_weekday + add
else:
days_ahead = ref_weekday + (7-tweet_weekday) + add
output.append(date + datetime.timedelta(days=days_ahead))
if "sday" in nud:
for s in nud["sday"]:
num_match = s[1]
timephrase = " ".join([x for x in matches[num_match] if len(x) > 0])
u = s[0]
if u == "overmorgen":
output.append(date + datetime.timedelta(days=2))
if len(nud.keys()) == 0:
return False
else:
return output
print(sys.argv[1])
print(datetime.datetime.now())
infile = open(sys.argv[1],encoding="utf-8")
tweets = infile.readlines()
infile.close()
outfile = open(sys.argv[2],"a",encoding="utf-8")
tokenizer = ucto.Tokenizer("/vol/customopt/uvt-ru/etc/ucto/tokconfig-nl-twitter")
for tweet in tweets[1:]:
tokens = tweet.strip().split("\t")
if not re.search(r"\bRT\b",tokens[-1]):
tokenizer.process(tokens[-1])
text = " ".join([x.text.lower() for x in tokenizer])
try:
date = time_functions.return_datetime(tokens[2],setting="vs").date()
except:
print("dateerror",tweet,tokens)
quit()
dateref_phrase = extract_date(text,date)
if dateref_phrase:
if len(dateref_phrase) > 2:
chunks = dateref_phrase[0]
datephrase = dateref_phrase[1]
refdates = dateref_phrase[2:]
units = [tokens[1],tokens[6],str(date),text," ".join([str(x) for x in refdates]),"|".join([x for x in chunks]),datephrase]
outfile.write("\t".join(units) + "\n")
print(datetime.datetime.now())