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Running
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A10G
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import dominate
from dominate.tags import meta, h3, table, tr, td, p, a, img, br
import os
class HTML:
"""This HTML class allows us to save images and write texts into a single HTML file.
It consists of functions such as <add_header> (add a text header to the HTML file),
<add_images> (add a row of images to the HTML file), and <save> (save the HTML to the disk).
It is based on Python library 'dominate', a Python library for creating and manipulating HTML documents using a DOM API.
"""
def __init__(self, web_dir, title, refresh=0):
"""Initialize the HTML classes
Parameters:
web_dir (str) -- a directory that stores the webpage. HTML file will be created at <web_dir>/index.html; images will be saved at <web_dir/images/
title (str) -- the webpage name
refresh (int) -- how often the website refresh itself; if 0; no refreshing
"""
self.title = title
self.web_dir = web_dir
self.img_dir = os.path.join(self.web_dir, 'images')
if not os.path.exists(self.web_dir):
os.makedirs(self.web_dir)
if not os.path.exists(self.img_dir):
os.makedirs(self.img_dir)
self.doc = dominate.document(title=title)
if refresh > 0:
with self.doc.head:
meta(http_equiv="refresh", content=str(refresh))
def get_image_dir(self):
"""Return the directory that stores images"""
return self.img_dir
def add_header(self, text):
"""Insert a header to the HTML file
Parameters:
text (str) -- the header text
"""
with self.doc:
h3(text)
def add_images(self, ims, txts, links, width=400):
"""add images to the HTML file
Parameters:
ims (str list) -- a list of image paths
txts (str list) -- a list of image names shown on the website
links (str list) -- a list of hyperref links; when you click an image, it will redirect you to a new page
"""
self.t = table(border=1, style="table-layout: fixed;") # Insert a table
self.doc.add(self.t)
with self.t:
with tr():
for im, txt, link in zip(ims, txts, links):
with td(style="word-wrap: break-word;", halign="center", valign="top"):
with p():
with a(href=os.path.join('images', link)):
img(style="width:%dpx" % width, src=os.path.join('images', im))
br()
p(txt)
def save(self):
"""save the current content to the HMTL file"""
html_file = '%s/index.html' % self.web_dir
f = open(html_file, 'wt')
f.write(self.doc.render())
f.close()
if __name__ == '__main__': # we show an example usage here.
html = HTML('web/', 'test_html')
html.add_header('hello world')
ims, txts, links = [], [], []
for n in range(4):
ims.append('image_%d.png' % n)
txts.append('text_%d' % n)
links.append('image_%d.png' % n)
html.add_images(ims, txts, links)
html.save()
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