improved support for languages en, es, fr, it, pt
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rugantio
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428
fbcrawl/items.py
428
fbcrawl/items.py
@ -11,8 +11,11 @@ from datetime import datetime, timedelta
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def parse_date(init_date,loader_context):
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lang = loader_context['lang']
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# =============================================================================
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# Italian - status:final
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# =============================================================================
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if lang == 'it':
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mesi = {
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months = {
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'gennaio':1,
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'febbraio':2,
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'marzo':3,
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@ -27,7 +30,7 @@ def parse_date(init_date,loader_context):
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'dicembre':12
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}
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mesi_abbr = {
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months_abbr = {
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'gen':1,
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'feb':2,
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'mar':3,
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@ -43,101 +46,379 @@ def parse_date(init_date,loader_context):
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}
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giorni = {
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'domenica':0,
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'lunedì':1,
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'martedì':2,
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'mercoledì':3,
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'giovedì':4,
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'venerdì':5,
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'sabato':6
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'lunedì':0,
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'martedì':1,
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'mercoledì':2,
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'giovedì':3,
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'venerdì':4,
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'sabato':5,
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'domenica':6
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}
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date = init_date
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date = date[0].split()
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date = init_date[0].split()
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year, month, day = [int(i) for i in str(datetime.now().date()).split(sep='-')] #default is today
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l = len(date)
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#sanity check
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if len(date) == 0:
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if l == 0:
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return 'Error: no data'
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#yesterday
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elif len(date) == 1:
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#adesso, ieri, 4h, 50min
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elif l == 1:
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if date[0].isalpha():
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if date[0].lower() == 'ieri':
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day = int(str(datetime.now().date()-timedelta(1)).split(sep='-')[2])
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#4h
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elif len(date) == 2 and int(str(datetime.now().time()).split(sep=':')[0]) - int(date[0]) >= 0:
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pass
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#22h (yesterday)
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elif date[1] == 'h' and int(str(datetime.now().time()).split(sep=':')[0]) - int(date[0]) < 0:
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#check that yesterday was not in another month
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month = int(str(datetime.now().date()-timedelta(1)).split(sep='-')[1])
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elif date[0].lower() == 'adesso':
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return datetime(year,month,day).date() #return today
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else: #not recognized, (return date or init_date)
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return date
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else:
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#4h, 50min (exploit future parsing)
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l = 2
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new_date = [x for x in date[0] if x.isdigit()]
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date[0] = ''.join(new_date)
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new_date = [x for x in date[0] if not(x.isdigit())]
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date[1] = ''.join(new_date)
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# l = 2
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elif l == 2:
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#22 min (oggi)
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if date[1] == 'min':
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if int(str(datetime.now().time()).split(sep=':')[1]) - int(date[0]) >= 0:
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return datetime(year,month,day).date()
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#22 min (ieri)
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else:
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day = int(str(datetime.now().date()-timedelta(1)).split(sep='-')[2])
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#yesterday
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elif date[0].isdigit() == False and date[1].isdigit() == False:
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month = int(str(datetime.now().date()-timedelta(1)).split(sep='-')[1])
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return datetime(year,month,day).date()
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#4 h (oggi)
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elif date[1] == 'h':
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if int(str(datetime.now().time()).split(sep=':')[0]) - int(date[0]) >= 0:
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return datetime(year,month,day).date()
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#4 h (ieri)
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else:
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day = int(str(datetime.now().date()-timedelta(1)).split(sep='-')[2])
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#day with 3 month length of this year
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elif len(date[1]) == 3 and not(date[2].isdigit()):
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month = int(str(datetime.now().date()-timedelta(1)).split(sep='-')[1])
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return datetime(year,month,day).date()
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#2 gen
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elif len(date[1]) == 3 and date[1].isalpha():
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day = int(date[0])
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month = mesi_abbr[date[1]]
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elif len(date[1]) > 3 and not(date[2].isdigit()):
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month = months_abbr[date[1].lower()]
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return datetime(year,month,day).date()
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#2 gennaio
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elif len(date[1]) > 3 and date[1].isalpha():
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day = int(date[0])
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month = mesi[date[1]]
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elif len(date[1]) == 3 and date[2].isdigit():
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month = months[date[1]]
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return datetime(year,month,day).date()
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#parsing failed
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else:
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return date
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# l = 3
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elif l == 3:
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#21 giu 2017
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if len(date[1]) == 3 and date[2].isdigit():
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day = int(date[0])
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month = mesi_abbr[date[1]]
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month = months_abbr[date[1]]
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year = int(date[2])
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#usual dates, with regular length month
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elif date[0].isdigit() and date[2].isdigit():
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return datetime(year,month,day).date()
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#21 giugno 2017
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elif len(date[1]) > 3 and date[2].isdigit():
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day = int(date[0])
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month = mesi[date[1]]
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month = months[date[1]]
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year = int(date[2])
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#dates with weekdays (this function assumes that the month is the same)
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elif date[0].isdigit() == False and date[1].isdigit() == False:
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return datetime(year,month,day).date()
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#parsing failed
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else:
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return date
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# l = 4
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elif l == 4:
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#Ieri alle ore 23:32
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if date[0].lower() == 'ieri' and date[1] == 'alle':
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day = int(str(datetime.now().date()-timedelta(1)).split(sep='-')[2])
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month = int(str(datetime.now().date()-timedelta(1)).split(sep='-')[1])
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return datetime(year,month,day).date()
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#domenica alle ore 19:29
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elif date[0].isalpha() and date[1] == 'alle':
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today = datetime.now().weekday() #today as a weekday
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weekday = giorni[date[0]] #day to be match as number weekday
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weekday = giorni[date[0].lower()] #day to be match as number weekday
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#weekday is chronologically always lower than day
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if weekday < today:
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day -= today - weekday
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elif weekday > today:
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weekday += 7
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day -= today - weekday
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delta = today - weekday
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if delta >= 0:
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day = int(str(datetime.now().date()-timedelta(delta)).split(sep='-')[2])
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month = int(str(datetime.now().date()-timedelta(delta)).split(sep='-')[1])
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return datetime(year,month,day).date()
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#lunedì = 0 sabato = 6, mar 1 ven 5
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else:
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#date item parser fail. datetime format unknown, check xpath selector or change the language of the interface'
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return init_date
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delta += 8
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day = int(str(datetime.now().date()-timedelta(delta)).split(sep='-')[2])
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month = int(str(datetime.now().date()-timedelta(delta)).split(sep='-')[1])
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return datetime(year,month,day).date()
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#parsing failed
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else:
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return init_date
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date = datetime(year,month,day)
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return date.date()
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return date
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# l = 5
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elif l == 5:
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if date[2] == 'alle':
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#29 feb alle ore 21:49
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if len(date[1]) == 3:
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day = int(date[0])
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month = months_abbr[date[1].lower()]
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return datetime(year,month,day).date()
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#29 febbraio alle ore 21:49
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else:
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day = int(date[0])
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month = months[date[1].lower()]
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return datetime(year,month,day).date()
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#parsing failed
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else:
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return date
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# l = 6
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elif l == 6:
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if date[3] == 'alle':
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#29 feb 2016 alle ore 21:49
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if len(date[1]) == 3:
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day = int(date[0])
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month = months_abbr[date[1].lower()]
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year = int(date[2])
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return datetime(year,month,day).date()
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#29 febbraio 2016 alle ore 21:49
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else:
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day = int(date[0])
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month = months[date[1].lower()]
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year = int(date[2])
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return datetime(year,month,day).date()
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#parsing failed
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else:
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return date
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# =============================================================================
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# English - status:beta
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# =============================================================================
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elif lang == 'en':
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months = {
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'january':1,
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'february':2,
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'march':3,
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'april':4,
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'may':5,
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'june':6,
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'july':7,
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'august':8,
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'september':9,
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'october':10,
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'november':11,
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'december':12
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}
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def comments_strip(string):
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months_abbr = {
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'jan':1,
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'feb':2,
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'mar':3,
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'apr':4,
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'may':5,
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'jun':6,
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'jul':7,
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'aug':8,
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'sep':9,
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'oct':10,
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'nov':11,
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'dec':12
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}
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date = init_date[0].split()
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year, month, day = [int(i) for i in str(datetime.now().date()).split(sep='-')] #default is today
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l = len(date)
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#sanity check
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if l == 0:
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return 'Error: no data'
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#Yesterday, Now, 4hr, 50mins
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elif l == 1:
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if date[0].isalpha():
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if date[0].lower() == 'yesterday':
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day = int(str(datetime.now().date()-timedelta(1)).split(sep='-')[2])
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#check that yesterday was not in another month
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month = int(str(datetime.now().date()-timedelta(1)).split(sep='-')[1])
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elif date[0].lower() == 'now':
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return datetime(year,month,day).date() #return today
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else: #not recognized, (return date or init_date)
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return date
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else:
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#4h, 50min (exploit future parsing)
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l = 2
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new_date = [x for x in date[0] if x.isdigit()]
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date[0] = ''.join(new_date)
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new_date = [x for x in date[0] if not(x.isdigit())]
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date[1] = ''.join(new_date)
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# l = 2
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elif l == 2:
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#22 min (oggi)
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if date[1] == 'min' or date[1] == 'mins':
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if int(str(datetime.now().time()).split(sep=':')[1]) - int(date[0]) >= 0:
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return datetime(year,month,day).date()
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#22 min (ieri)
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else:
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day = int(str(datetime.now().date()-timedelta(1)).split(sep='-')[2])
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month = int(str(datetime.now().date()-timedelta(1)).split(sep='-')[1])
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return datetime(year,month,day).date()
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#4 h (oggi)
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elif date[1] == 'hr' or date[1] == 'hrs':
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if int(str(datetime.now().time()).split(sep=':')[0]) - int(date[0]) >= 0:
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return datetime(year,month,day).date()
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#4 h (ieri)
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else:
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day = int(str(datetime.now().date()-timedelta(1)).split(sep='-')[2])
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month = int(str(datetime.now().date()-timedelta(1)).split(sep='-')[1])
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return datetime(year,month,day).date()
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#2 gen
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elif len(date[1]) == 3 and date[1].isalpha():
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day = int(date[0])
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month = months_abbr[date[1].lower()]
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return datetime(year,month,day).date()
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#2 gennaio
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elif len(date[1]) > 3 and date[1].isalpha():
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day = int(date[0])
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month = months[date[1]]
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return datetime(year,month,day).date()
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#parsing failed
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else:
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return date
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# l = 3
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elif l == 3:
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# #21 Jun 2017
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# if len(date[1] == 3) and date[2].isdigit():
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# day = int(date[0])
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# month = months_abbr[date[1].lower()]
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# year = int(date[2])
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# return datetime(year,month,day).date()
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# #21 June 2017
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# elif len(date[1] > 3) and date[2].isdigit():
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# day = int(date[0])
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# month = months[date[1].lower()]
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# year = int(date[2])
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# return datetime(year,month,day).date()
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# #parsing failed
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# else:
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return date
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# l = 4
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elif l == 4:
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#Ieri alle ore 23:32
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if date[0].lower() == 'yesteday' and date[1] == 'at':
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day = int(str(datetime.now().date()-timedelta(1)).split(sep='-')[2])
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month = int(str(datetime.now().date()-timedelta(1)).split(sep='-')[1])
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return datetime(year,month,day).date()
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#parsing failed
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else:
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return date
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# l = 5
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elif l == 5:
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if date[2] == 'at':
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#Jan 29 at 10:00 PM
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if len(date[0]) == 3:
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day = int(date[1])
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month = months_abbr[date[0].lower()]
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return datetime(year,month,day).date()
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#29 febbraio alle ore 21:49
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else:
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day = int(date[1])
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month = months[date[0].lower()]
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return datetime(year,month,day).date()
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#parsing failed
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else:
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return date
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# l = 6
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elif l == 6:
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if date[3] == 'at':
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date[1]
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#Aug 25, 2016 at 7:00 PM
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if len(date[0]) == 3:
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day = int(date[1][:-1])
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month = months_abbr[date[0].lower()]
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year = int(date[2])
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return datetime(year,month,day).date()
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#August 25, 2016 at 7:00 PM
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else:
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day = int(date[1][:-1])
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month = months[date[0].lower()]
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year = int(date[2])
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return datetime(year,month,day).date()
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#parsing failed
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else:
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return date
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# l > 6
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#parsing failed - l too big
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else:
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return date
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#parsing failed - language not supported
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else:
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return init_date
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def comments_strip(string,loader_context):
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lang = loader_context['lang']
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if lang == 'it':
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if string[0].rfind('Commenta') != -1:
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return
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else:
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return string[0].rstrip(' commenti')
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def reactions_strip(string):
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friends = 1 + string[0].count(',')
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e = 1 + string[0].count(' e ')
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string = string[0].split()[::-1]
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if len(string) == 1:
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string = string[0]
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while string.rfind('.') != -1:
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string = string[0:string.rfind('.')] + string[string.rfind('.')+1:]
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elif lang == 'en':
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new_string = string[0].rstrip(' Comments')
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while new_string.rfind(',') != -1:
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new_string = new_string[0:new_string.rfind(',')] + new_string[new_string.rfind(',')+1:]
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return new_string
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else:
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return string
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string = string[0]
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while string.rfind('.') != -1:
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string = string[0:string.rfind('.')] + string[string.rfind('.')+1:]
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if not string.isdigit():
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return e
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def reactions_strip(string,loader_context):
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lang = loader_context['lang']
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if lang == 'it':
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newstring = string[0]
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#19.298.873
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if len(newstring.split()) == 1:
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while newstring.rfind('.') != -1:
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newstring = newstring[0:newstring.rfind('.')] + newstring[newstring.rfind('.')+1:]
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return newstring
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#Pamela, Luigi e altri 4
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else:
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return int(string) + friends
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return string
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# friends = newstring.count(' e ') + newstring.count(',')
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# newstring = newstring.split()[::-1][0]
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# while newstring.rfind('.') != -1:
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# newstring = newstring[0:newstring.rfind('.')] + newstring[newstring.rfind('.')+1:]
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# return int(newstring) + friends
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elif lang == 'en':
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newstring = string[0]
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#19,298,873
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if len(newstring.split()) == 1:
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while newstring.rfind(',') != -1:
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newstring = newstring[0:newstring.rfind(',')] + newstring[newstring.rfind(',')+1:]
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return newstring
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# #Mark and other 254,134
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# elif newstring.split()[::-1][1].isdigit():
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# friends = newstring.count(' and ') + newstring.count(',')
|
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# newstring = newstring.split()[::-1][1]
|
||||
# while newstring.rfind(',') != -1:
|
||||
# newstring = newstring[0:newstring.rfind(',')] + newstring[newstring.rfind(',')+1:]
|
||||
# return int(newstring) + friends
|
||||
# #Philip and 1K others
|
||||
else:
|
||||
return newstring
|
||||
else:
|
||||
return string
|
||||
|
||||
def url_strip(url):
|
||||
fullurl = url[0]
|
||||
#catchin '&id=' is enough to identify the post
|
||||
i = fullurl.find('&id=')
|
||||
if i != -1:
|
||||
j = fullurl[:i+4] + fullurl[i+4:].split('&')[0]
|
||||
return j
|
||||
else:
|
||||
return fullurl
|
||||
|
||||
class FbcrawlItem(scrapy.Item):
|
||||
# define the fields for your item here like:
|
||||
# name = scrapy.Field()
|
||||
source = scrapy.Field(
|
||||
output_processor=TakeFirst()
|
||||
) # page that published the post
|
||||
@ -154,9 +435,6 @@ class FbcrawlItem(scrapy.Item):
|
||||
comments = scrapy.Field(
|
||||
output_processor=comments_strip
|
||||
)
|
||||
commentators = scrapy.Field(
|
||||
output_processor=Join(separator=u'\n')
|
||||
)
|
||||
|
||||
reactions = scrapy.Field(
|
||||
output_processor=reactions_strip
|
||||
@ -171,4 +449,6 @@ class FbcrawlItem(scrapy.Item):
|
||||
sigh = scrapy.Field()
|
||||
grrr = scrapy.Field()
|
||||
share = scrapy.Field() # num of shares
|
||||
url = scrapy.Field()
|
||||
url = scrapy.Field(
|
||||
output_processor=url_strip
|
||||
)
|
||||
|
||||
Binary file not shown.
Binary file not shown.
@ -90,7 +90,6 @@ class FacebookSpider(scrapy.Spider):
|
||||
risp = response.urljoin(rispostina[i].extract())
|
||||
yield scrapy.Request(risp, callback=self.parse_rispostina)
|
||||
|
||||
|
||||
next_page = response.xpath("//div[contains(@id,'see_next')]/a/@href")
|
||||
if len(next_page) > 0:
|
||||
next_page = response.urljoin(next_page[0].extract())
|
||||
|
||||
@ -3,6 +3,7 @@ import scrapy
|
||||
from scrapy.loader import ItemLoader
|
||||
from scrapy.http import FormRequest
|
||||
from fbcrawl.items import FbcrawlItem
|
||||
from scrapy.exceptions import CloseSpider
|
||||
|
||||
|
||||
class FacebookSpider(scrapy.Spider):
|
||||
@ -11,37 +12,51 @@ class FacebookSpider(scrapy.Spider):
|
||||
"""
|
||||
name = "fb"
|
||||
|
||||
def __init__(self, email='', password='', page='', year=2018, lang='', **kwargs):
|
||||
def __init__(self, email='', password='', page='', year=2018, lang='_', **kwargs):
|
||||
super(FacebookSpider, self).__init__(**kwargs)
|
||||
|
||||
self.year = int(year) #arguments are passed as strings
|
||||
|
||||
#email & pass need to be passed as attributes!
|
||||
if not email or not password:
|
||||
raise ValueError("You need to provide valid email and password!")
|
||||
else:
|
||||
self.email = email
|
||||
self.password = password
|
||||
|
||||
#page name parsing (added support for full urls)
|
||||
if not page:
|
||||
raise ValueError("You need to provide a valid page name to crawl!")
|
||||
elif page.find('https://www.facebook.com/') != -1:
|
||||
self.page = page[25:]
|
||||
elif page.find('https://mbasic.facebook.com/') != -1:
|
||||
self.page = page[28:]
|
||||
elif page.find('https://m.facebook.com/') != -1:
|
||||
self.page = page[23:]
|
||||
else:
|
||||
self.page = page
|
||||
|
||||
if not(lang):
|
||||
self.logger.info('Language attribute not provided, assuming "en"')
|
||||
#parse year
|
||||
assert int(year) <= 2019 and int(year) >= 2015, 'Year must be a number 2015 <= year <= 2019'
|
||||
self.year = int(year) #arguments are passed as strings
|
||||
|
||||
#parse lang, if not provided (but is supported) it will be guessed in parse_home
|
||||
if lang=='_':
|
||||
self.logger.info('Language attribute not provided, I will try to guess it')
|
||||
self.logger.info('Currently supported languages are: "en", "es", "fr", "it", "pt"')
|
||||
self.lang = 'en'
|
||||
self.lang=lang
|
||||
elif lang == 'en' or lang == 'es' or lang == 'fr' or lang == 'it' or lang == 'pt':
|
||||
self.lang = lang
|
||||
else:
|
||||
self.logger.info('Lang:{} not currently supported'.format(lang))
|
||||
self.logger.info('Lang "{}" not currently supported'.format(lang))
|
||||
self.logger.info('Currently supported languages are: "en", "es", "fr", "it", "pt"')
|
||||
self.logger.info('Change your interface lang from facebook and try again')
|
||||
return
|
||||
raise CloseSpider('Language provided not currently supported')
|
||||
|
||||
self.start_urls = ['https://mbasic.facebook.com']
|
||||
|
||||
def parse(self, response):
|
||||
'''
|
||||
Handle login with provided credentials
|
||||
'''
|
||||
return FormRequest.from_response(
|
||||
response,
|
||||
formxpath='//form[contains(@action, "login")]',
|
||||
@ -51,59 +66,57 @@ class FacebookSpider(scrapy.Spider):
|
||||
|
||||
def parse_home(self, response):
|
||||
'''
|
||||
Parse user news feed page. This code is outdate and needs review.
|
||||
This method has multiple purposes:
|
||||
1) Handle failed logins due to facebook 'save-device' redirection
|
||||
2) Set language interface, if not already provided
|
||||
3) Navigate to given page
|
||||
'''
|
||||
if response.css('#approvals_code'):
|
||||
# Handle 'Approvals Code' checkpoint (ask user to enter code).
|
||||
if not self.code:
|
||||
# Show facebook messages via logs
|
||||
# and request user for approval code.
|
||||
message = response.css('._50f4::text').extract()[0]
|
||||
self.log(message)
|
||||
message = response.css('._3-8y._50f4').xpath('string()').extract()[0]
|
||||
self.log(message)
|
||||
self.code = input('Enter the code: ')
|
||||
self.code = str(self.code)
|
||||
if not (self.code and self.code.isdigit()):
|
||||
self.log('Bad approvals code detected.')
|
||||
return
|
||||
return FormRequest.from_response(
|
||||
response,
|
||||
formdata={'approvals_code': self.code},
|
||||
callback=self.parse_home)
|
||||
elif response.xpath("//div/a[contains(@href,'save-device')]"):
|
||||
# elif response.xpath("//div/input[@value='Ok' and @type='submit']"):
|
||||
# Handle 'Save Browser' checkpoint.
|
||||
#handle 'save-device' redirection
|
||||
if response.xpath("//div/a[contains(@href,'save-device')]"):
|
||||
return FormRequest.from_response(
|
||||
response,
|
||||
formdata={'name_action_selected': 'dont_save'},
|
||||
callback=self.parse_home)
|
||||
elif response.css('button#checkpointSubmitButton'):
|
||||
# Handle 'Someone tried to log into your account' warning.
|
||||
return FormRequest.from_response(
|
||||
response, callback=self.parse_home)
|
||||
# Else go to the page requested.
|
||||
if self.page.find('https://www.facebook.com/') != -1:
|
||||
self.page = self.page[25:]
|
||||
|
||||
#set language interface
|
||||
if self.lang == '_':
|
||||
if response.xpath("//input[@placeholder='Search Facebook']"):
|
||||
self.lang = 'en'
|
||||
elif response.xpath("//input[@value='Buscar']"):
|
||||
self.lang = 'es'
|
||||
elif response.xpath("//input[@value='Rechercher']"):
|
||||
self.lang = 'fr'
|
||||
elif response.xpath("//input[@value='Cerca']"):
|
||||
self.lang = 'it'
|
||||
elif response.xpath("//input[@value='Pesquisar']"):
|
||||
self.lang = 'pt'
|
||||
else:
|
||||
raise CloseSpider('Language not recognized')
|
||||
|
||||
#navigate to provided page
|
||||
href = response.urljoin(self.page)
|
||||
self.logger.info('Parse function called on %s', href)
|
||||
self.logger.info('Parsing facebook page %s', href)
|
||||
return scrapy.Request(url=href,callback=self.parse_page)
|
||||
|
||||
def parse_page(self, response):
|
||||
'''
|
||||
Parse the given page selecting the posts.
|
||||
Then ask recursively for another page.
|
||||
'''
|
||||
#select all posts
|
||||
for post in response.xpath("//div[contains(@data-ft,'top_level_post_id')]"):
|
||||
new = ItemLoader(item=FbcrawlItem(),selector=post)
|
||||
new.add_xpath('comments', "./div[2]/div[2]/a[1]/text()")
|
||||
new.add_xpath('url', ".//a[contains(@href,'footer')]/@href")
|
||||
#page_url
|
||||
#new.add_value('url',response.url)
|
||||
new.add_xpath('reactions',".//a[contains(@aria-label,'reactions')]/text()")
|
||||
|
||||
#page_url #new.add_value('url',response.url)
|
||||
#returns full post-link in a list
|
||||
post = post.xpath(".//a[contains(@href,'footer')]/@href").extract()
|
||||
temp_post = response.urljoin(post[0])
|
||||
yield scrapy.Request(temp_post, self.parse_post, meta={'item':new})
|
||||
|
||||
#load following page
|
||||
#next_page = response.xpath('//*[@id="structured_composer_async_container"]/div[2]/a/@href')
|
||||
next_page = response.xpath("//div[2]/a[contains(@href,'timestart=') and not(contains(text(),'ent')) and not(contains(text(),number()))]/@href").extract()
|
||||
if len(next_page) == 0:
|
||||
if response.meta['flag'] == 4 and self.year <= 2015:
|
||||
@ -148,7 +161,6 @@ class FacebookSpider(scrapy.Spider):
|
||||
new.add_xpath('source', "//td/div/h3/strong/a/text() | //span/strong/a/text() | //div/div/div/a[contains(@href,'post_id')]/strong/text()")
|
||||
new.add_xpath('date', '//div/div/abbr/text()')
|
||||
new.add_xpath('text','//div[@data-ft]//p//text() | //div[@data-ft]/div[@class]/div[@class]/text()')
|
||||
new.add_xpath('reactions',"//a[contains(@href,'reaction/profile')]/div/div/text()")
|
||||
|
||||
reactions = response.xpath("//div[contains(@id,'sentence')]/a[contains(@href,'reaction/profile')]/@href")
|
||||
reactions = response.urljoin(reactions[0].extract())
|
||||
|
||||
Loading…
Reference in New Issue
Block a user