diff options
| -rw-r--r-- | django/utils/html.py | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/django/utils/html.py b/django/utils/html.py index 13ee6e742a..730744c9e1 100644 --- a/django/utils/html.py +++ b/django/utils/html.py @@ -1,4 +1,4 @@ -"Useful HTML utilities suitable for global use by World Online projects." +"HTML utilities suitable for global use." import re, string @@ -9,16 +9,16 @@ TRAILING_PUNCTUATION = ['.', ',', ')', '>', '\n', '>'] # list of possible strings used for bullets in bulleted lists DOTS = ['·', '*', '\xe2\x80\xa2', '•', '•', '•'] -UNENCODED_AMPERSANDS_RE = re.compile(r'&(?!(\w+|#\d+);)') -WORD_SPLIT_RE = re.compile(r'(\s+)') -PUNCTUATION_RE = re.compile('^(?P<lead>(?:%s)*)(?P<middle>.*?)(?P<trail>(?:%s)*)$' % \ +unencoded_ampersands_re = re.compile(r'&(?!(\w+|#\d+);)') +word_split_re = re.compile(r'(\s+)') +punctuation_re = re.compile('^(?P<lead>(?:%s)*)(?P<middle>.*?)(?P<trail>(?:%s)*)$' % \ ('|'.join([re.escape(p) for p in LEADING_PUNCTUATION]), '|'.join([re.escape(p) for p in TRAILING_PUNCTUATION]))) -SIMPLE_EMAIL_RE = re.compile(r'^\S+@[a-zA-Z0-9._-]+\.[a-zA-Z0-9._-]+$') -LINK_TARGET_ATTRIBUTE = re.compile(r'(<a [^>]*?)target=[^\s>]+') -HTML_GUNK = re.compile(r'(?:<br clear="all">|<i><\/i>|<b><\/b>|<em><\/em>|<strong><\/strong>|<\/?smallcaps>|<\/?uppercase>)', re.IGNORECASE) -HARD_CODED_BULLETS = re.compile(r'((?:<p>(?:%s).*?[a-zA-Z].*?</p>\s*)+)' % '|'.join([re.escape(d) for d in DOTS]), re.DOTALL) -TRAILING_EMPTY_CONTENT = re.compile(r'(?:<p>(?: |\s|<br \/>)*?</p>\s*)+\Z') +simple_email_re = re.compile(r'^\S+@[a-zA-Z0-9._-]+\.[a-zA-Z0-9._-]+$') +link_target_attribute_re = re.compile(r'(<a [^>]*?)target=[^\s>]+') +html_gunk_re = re.compile(r'(?:<br clear="all">|<i><\/i>|<b><\/b>|<em><\/em>|<strong><\/strong>|<\/?smallcaps>|<\/?uppercase>)', re.IGNORECASE) +hard_coded_bullets_re = re.compile(r'((?:<p>(?:%s).*?[a-zA-Z].*?</p>\s*)+)' % '|'.join([re.escape(d) for d in DOTS]), re.DOTALL) +trailing_empty_content_re = re.compile(r'(?:<p>(?: |\s|<br \/>)*?</p>\s*)+\Z') def escape(html): "Returns the given HTML with ampersands, quotes and carets encoded" @@ -43,7 +43,7 @@ def strip_entities(value): def fix_ampersands(value): "Returns the given HTML with all unencoded ampersands encoded correctly" - return UNENCODED_AMPERSANDS_RE.sub('&', value) + return unencoded_ampersands_re.sub('&', value) def urlize(text, trim_url_limit=None, nofollow=False): """ @@ -57,10 +57,10 @@ def urlize(text, trim_url_limit=None, nofollow=False): If nofollow is True, the URLs in link text will get a rel="nofollow" attribute. """ trim_url = lambda x, limit=trim_url_limit: limit is not None and (x[:limit] + (len(x) >=limit and '...' or '')) or x - words = WORD_SPLIT_RE.split(text) + words = word_split_re.split(text) nofollow_attr = nofollow and ' rel="nofollow"' or '' for i, word in enumerate(words): - match = PUNCTUATION_RE.match(word) + match = punctuation_re.match(word) if match: lead, middle, trail = match.groups() if middle.startswith('www.') or ('@' not in middle and not middle.startswith('http://') and \ @@ -70,7 +70,7 @@ def urlize(text, trim_url_limit=None, nofollow=False): if middle.startswith('http://') or middle.startswith('https://'): middle = '<a href="%s"%s>%s</a>' % (middle, nofollow_attr, trim_url(middle)) if '@' in middle and not middle.startswith('www.') and not ':' in middle \ - and SIMPLE_EMAIL_RE.match(middle): + and simple_email_re.match(middle): middle = '<a href="mailto:%s">%s</a>' % (middle, middle) if lead + middle + trail != word: words[i] = lead + middle + trail @@ -94,17 +94,17 @@ def clean_html(text): text = re.sub(r'<(/?)\s*i\s*>', '<\\1em>', text) text = fix_ampersands(text) # Remove all target="" attributes from <a> tags. - text = LINK_TARGET_ATTRIBUTE.sub('\\1', text) + text = link_target_attribute_re.sub('\\1', text) # Trim stupid HTML such as <br clear="all">. - text = HTML_GUNK.sub('', text) + text = html_gunk_re.sub('', text) # Convert hard-coded bullets into HTML unordered lists. def replace_p_tags(match): s = match.group().replace('</p>', '</li>') for d in DOTS: s = s.replace('<p>%s' % d, '<li>') return '<ul>\n%s\n</ul>' % s - text = HARD_CODED_BULLETS.sub(replace_p_tags, text) + text = hard_coded_bullets_re.sub(replace_p_tags, text) # Remove stuff like "<p> </p>", but only if it's at the bottom of the text. - text = TRAILING_EMPTY_CONTENT.sub('', text) + text = trailing_empty_content_re.sub('', text) return text |