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mkdir qr_card_generator
cd qr_card_generator
virtualenv -p /le/chemin/de/python3 venv # Init du virtualenv en spécifiant le chemin de Python3 (sur mon système, Python 2.7 est par défaut)
source venv/bin/activate # Activation du virtualenv
pip install qrcode pillow # Installation des deux libs nécessaires
touch card-generator.py

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def create_UUIDs(qty):
    ''' Return a list of `qty` UUIDs '''
    return [str(uuid4()) for _ in range(qty)]

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def create_UUIDs(qty):
    ''' Return a list of `qty` UUIDs '''
    return [str(uuid4()) for _ in range(qty)]

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def data_to_qrcode(data):
    ''' Return a qrcode image from data '''

    qrc = qrcode.QRCode(error_correction=qrcode.constants.ERROR_CORRECT_Q,
                        box_size=8,
                        border=0)
    qrc.add_data(data)
    qrc.make(fit=True)
    img = qrc.make_image()

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for cpt, elt_id in enumerate(input_ids):

    # Copy the background to the new image, then draw it
    new_bg = copy(bg_image)
    draw = ImageDraw.Draw(new_bg)

    # Generate a QR code as image
    qr_image = data_to_qrcode(elt_id)
    qr_x, qr_y = qr_image.size # Get width/height of QR code image

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def page_to_index(page_num):
    ''' Transforms page number into start index to be written in Yelp URL '''
    return (page_num - 1)*10

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def build_yelp_url(page, c):
    ''' Builds Yelp URL for the given page and cflt to be parsed according to
    config variables '''

    url = "http://www.yelp.fr/search?&start={0}".format(page_to_index(page))
    if CITY: url += "&find_loc={0}".format(CITY)
    url += "&cflt={0}".format(c) # We assume that CFLTS list is not empty
    if PARIS_DISTRICTS: url += "&l=p:FR-75:Paris::{0}".format(
        build_arglist(PARIS_DISTRICTS))

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search_results = soup.find_all('div', attrs={"class":u"search-result"}):

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for sr in search_results:
  shop_name = sr.find('a', attrs={"class":u"biz-name"}).get_text()

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def is_advertisement(search_result):
    ''' Return True is the search result is an add '''

    if search_result.find('span', attrs={"class":u"yloca-tip"}):
        return True
    return False