forked from tdwojak/Python2017
labs03 - after review
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#lab03 task01
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#Returns mutable type names
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[t for t, oldid, newid in map( lambda (t, obj, objid): (t, id(obj*1), objid), map(lambda x : (type(x), x, id(x)), [[], '', 3.141592]) ) if oldid == newid]
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for type_name, type_mutable in map( lambda t: (type(t), id(t)==id(t*1)), [[], '', 3.141592] ):
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print("%s is %s" % (str(type_name), 'mutable' if type_mutable else 'immutable') )
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# lab03, task02
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def fibN(n):
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prev, current = 0, 1
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prev, current = 1, 1
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for n in range(n):
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yield prev
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prev, current = current, prev + current
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for x in fibN(10):
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print(x)
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labs03/task03.py
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labs03/task03.py
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# -*- coding: utf-8 -*-
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import requests, json
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# try:
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# print('EUR:PLN %3.4f' % (requests.get('https://api.fixer.io/latest').json()['rates']['PLN']))
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# except:
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# print("Something went wrong. Couldn't display EUR:PLN exchange rate.")
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#
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# Niestety nie znalazłem w pakiecie json dla pythona 2.7 operacji zwracającej wspomniany w treści zadania
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# 'obiekt typu JSON' -czytanie streamu zamienia dane na zwykłe pythonowe słowniki. Nie wnosi to więc wartości dodanej
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# do powyższego kodu, który w metodzie.json() zwraca obiekt typu dict, podobnie jak przyjmująca łańcuch znaków
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# funkcja json.loads.
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print(json.loads(requests.get('https://api.fixer.io/latest').text))['rates']['PLN']
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# assert type(json.loads(requests.get('https://api.fixer.io/latest').text)) == type(dict())
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#
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labs03/task04.py
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labs03/task04.py
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# -*- coding: utf-8 -*-
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from weather import Weather
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import datetime
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weather = Weather()
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loc = weather.lookup_by_location('Poznan')
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print('Informacja o aktualnej pogodzie: %s' % loc.condition().text())
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def ftoc(f):
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return (f-32.0)*5.0/9.0
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def date_to_pl_weekday(date_string):
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"""
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input: string of form '10 Dec 2017'
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output: weekday in polish language
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"""
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idx = datetime.datetime.strptime(date_string, '%d %b %Y').weekday()
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return [u'poniedziałek', u'wtorek', u'środa', u'czwartek', u'piątek', u'sobota', u'niedziela'][idx]
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min_day = min(loc.forecast(), key = lambda f: f.low())
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print(u'Najbliższy najzimniejszy dzień to %s. Będzie %s\u00B0C. ' % (date_to_pl_weekday(min_day.date()), ftoc(int(min_day.low()))))
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labs03/task05.py
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labs03/task05.py
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import glob, os
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# print(glob.glob('./scores/model.iter[0-9][0-9][0-9][0-9][0-9][0-9][0-9].npz.bleu'))
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def extract_BLEU_score(fn):
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'''
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:param fn - path to file with :
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:return:
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'''
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with open(fn, 'r') as fd:
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line = fd.readline()
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return (os.path.abspath(fn), float(line[6:line.index(',')]))
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print max([ t for t in map(extract_BLEU_score, glob.iglob('./scores/model.iter[0-9][0-9][0-9][0-9][0-9]*.npz.bleu'))], key = lambda tpl: tpl[1])[0]
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