raspi-zero-waveshare/simpilib/__init__.py

#!/usr/bin/env python3
# -*- coding:utf-8 -*-

def loadFontSize(text, imagesize, fontpath):
    from PIL import ImageFont
    fontsize = 1  # starting font size
    font = ImageFont.truetype(fontpath, fontsize)
    splittext = text.splitlines()
    while True:
        fontsize += 1
        font = ImageFont.truetype(fontpath, fontsize)
        # fsize = draw.textsize(text, font=font)
        fsize = getFontSize(font, splittext)
        print("Fontsize:", font.size, fsize, imagesize)
        if ((fsize[0] >= imagesize[0]) or (fsize[1] >= imagesize[1])):
            break

    fontsize -= 1
    font = ImageFont.truetype(fontpath, fontsize)
    fsize = getFontSize(font, splittext)
    print("Fontsize:", font.size, fsize, imagesize)
    return font

def getFontSize(font,splittext):
    fsize = [0,0]
    for l in splittext:
        fs = font.getsize(l)
        if fsize[0] < fs[0]:
            fsize[0] = fs[0]
        fsize[1] += fs[1]
        print("Fs:", fsize,fs)
    return fsize

def wrapText(text, aspect_ratio, font_factor=3):
    import textwrap
    text = " ".join(text.split())
    iter_width = len(text)
    splittext = [text]
    longestline = getLongestLine(splittext)
    while len(longestline) > font_factor * aspect_ratio * len(splittext):
        iter_width -= 1
        splittext = textwrap.wrap(text, width=iter_width)
        longestline = getLongestLine(splittext)
    print("Wrap:", iter_width, "Rows:",len(splittext))
    return "\n".join(splittext)

def fitText(isize, fontpath, text):
    text = wrapText(text, (isize[0]/isize[1]))
    font = loadFontSize(text, isize, fontpath)
    return text, font


def getLongestLine(split):
    longline = ""
    for l in split:
        if len(l) > len(longline):
            longline = l
    return longline

def convert_qr(quote):
    import qrcode
    qr = qrcode.QRCode(version=1, box_size=3, border=1)
    qr.add_data("https://css.tsimnet.eu")
    qr.make()
    return qr.make_image().get_image()

def getQuote( maxLength=100 ):
    try:
        import requests
        # r = requests.get('https://type.fit/api/quotes')
        r = requests.get('http://api.quotable.io/random?maxLength='+str(maxLength))
        r = r.json()
        text = r
    except Exception as ex:
        return
    return text

def getRedditJson(reddit,res,interval):
    import requests
    from urllib.parse import urlencode
    base_url = f"https://www.reddit.com/r/{reddit}/{res}.json"
    headers = {
        'User-agent': 'raspi-zero-waveshare'
    }
    params = urlencode({
        "t": interval,
    })
    url = base_url + '?' + str(params)
    print(url)
    r = requests.get(url, headers=headers)
    return r.json()

def short_url(text):
    import requests
    from urllib.parse import urlencode
    try:
        params = urlencode({
            "url": text,
        })
        r = requests.get('https://tinyurl.com/api-create.php?'+str(params))
        t = r.text
    except Exception as ex:
        t = str(ex)[:100]
    return t