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