Mercurial > piecrust2
view piecrust/admin/textutil.py @ 790:4cbe057a8b6a
routing: Add some backwards compatibility support for parameter types.
This makes it so old routes are still correctly formatting years/months/days
which were previously hard-coded to int4/int2 types.
author | Ludovic Chabant <ludovic@chabant.com> |
---|---|
date | Mon, 05 Sep 2016 22:12:37 -0700 |
parents | 5e91bc0e3b4d |
children |
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from html.parser import HTMLParser def text_preview(txt, length=100, *, max_length=None, offset=0): max_length = max_length or (length + 50) extract = txt[offset:offset + length] if len(txt) > offset + length: for i in range(offset + length, min(offset + max_length, len(txt))): c = txt[i] if c not in [' ', '\t', '\r', '\n']: extract += c else: extract += '...' break return extract class MLStripper(HTMLParser): def __init__(self): super(MLStripper, self).__init__() self.reset() self.strict = False self.convert_charrefs = True self.fed = [] def handle_data(self, d): self.fed.append(d) def handle_entityref(self, name): self.fed.append('&%s;' % name) def get_data(self): return ''.join(self.fed) def html_to_text(html): s = MLStripper() s.feed(html) return s.get_data()