| import dominate
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| from dominate.tags import meta, h3, table, tr, td, p, a, img, br
|
| import os
|
|
|
|
|
| class HTML:
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| """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),
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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):
|
| """Initialize the HTML classes
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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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|
|
| 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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|
|
| 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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|
|
| def add_header(self, text):
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| """Insert a header to the HTML file
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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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|
|
| def add_images(self, ims, txts, links, width=400):
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| """add images to the HTML file
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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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| """
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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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|
|
| def save(self):
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| """save the current content to the HTML 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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|
|
|
|
| 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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|
|
| 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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|
|
