83 lines
2.6 KiB
Python
83 lines
2.6 KiB
Python
import imgkit
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import sys
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import os
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from threading import Thread
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from libsixel.encoder import Encoder, SIXEL_OPTFLAG_WIDTH, SIXEL_OPTFLAG_COLORS
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from tempfile import NamedTemporaryFile
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HTML_WIDTH = 720
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def preview(html, width, height, img, htmlWidth=HTML_WIDTH):
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options = {
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'encoding': 'utf-8',
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'width': htmlWidth,
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'height': int(htmlWidth/width*height),
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'quiet': None,
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'enable-local-file-access': None
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}
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#with NamedTemporaryFile(suffix='.png') as img:
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def render():
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with NamedTemporaryFile(suffix='.html') as page:
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page.write(bytes(html, encoding='utf-8'))
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with open('test.html', 'w') as test:
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test.write(html)
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page.flush()
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imgkit.from_file(page.name, img.name, options=options)
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th = Thread(target=render)
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th.start()
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#render()
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def update(width, img):
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sys.stdout.write('\x1b[1;1H')
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sys.stdout.flush()
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encoder = Encoder()
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encoder.setopt(SIXEL_OPTFLAG_WIDTH, str(width))
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encoder.setopt(SIXEL_OPTFLAG_COLORS, '256')
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encoder.encode(img.name)
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def previewCard(template, style, content, width, height, img, htmlWidth=HTML_WIDTH, frontSide=None):
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if frontSide:
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template = template.replace('{{FrontSide}}', frontSide)
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for field in content:
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# conditional sections
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formated = ''
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i = 0
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remove = False
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while i < len(template):
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section = template[i:i + len(field) + 5]
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if section in ('{{#'+field+'}}', '{{^'+field+'}}'):
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i += len(field) + 5
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if (section[2] == '#' and not content[field]) or (section[2] == '^' and content[field]):
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remove = True
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if section == '{{/'+field+'}}':
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i += len(field) + 5
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if remove:
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remove = False
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if not remove and i < len(template):
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formated += template[i]
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i += 1;
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template = formated.replace('{{'+field+'}}', content[field])
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template = '<style>'+style+'</style>'+template
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preview(TEMPLATE.replace('{{CONTENT}}', template)
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.replace('{{WD}}', os.getcwd()),
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width, height, img, htmlWidth)
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TEMPLATE_FILE = 'template.html'
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with open(TEMPLATE_FILE) as templateFile:
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TEMPLATE = templateFile.read()
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if __name__ == '__main__':
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preview('<h1>Hello World!</h1>', 500, 500)
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previewCard('<h1>{{Front}}</h1>',
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'h1{color:cyan;}',
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{
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'Front': 'Hello World!',
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'Back': 'From Python...'
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},
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500, 500)
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