def get_twitter_share_link_button(force_reload=False):
value = cache.get_value('rendered_twitter_share_link_button')
if value is None or force_reload:
if get_config('social_twitter_share_link') != 'true':
value = ''
else:
tpl = '''<a href="https://twitter.com/share" class="twitter-share-button"{twitter_via}{show_count}>Tweet</a>'''
twitter_via = get_config('social_twitter_share_link_via')
show_count = get_config('social_twitter_share_link_show_count')
repl = {
'twitter_via': 'pyrone',
'show_count': ''
}
if twitter_via != '':
# possible
repl['twitter_via'] = ' data-via="{0}"'.format(html_escape(twitter_via))
if show_count != 'true':
repl['show_count'] = ' data-count="none"'
value = tpl.format(**repl)
value += '''<script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0];if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src="//platform.twitter.com/widgets.js";fjs.parentNode.insertBefore(js,fjs);}}(document,"script","twitter-wjs");</script>'''
cache.set_value('rendered_twitter_share_link_button', value)
return value
def get_pages_widget_links(force_reload=False):
value = cache.get_value('pages_links')
if value is None or force_reload:
pages_links = list()
# fetch from settings, parse, fill cache
raw = get_config('widget_pages_pages_spec')
if raw is None:
raw = ''
for line in raw.split('\n'):
line = line.strip()
if len(line) == 0:
continue
# take first char - it's a delimiter
delim = line[0]
components = line[1:].split(delim)
if len(components) != 2:
continue
url, title = components
if not url.startswith('http://') and not url.startswith('https://'):
continue
link = {'url': url, 'title': title}
pages_links.append(link)
value = pages_links
cache.set_value('pages_links', value)
return value
def get(key, force=False):
"""
Get settings value, set "force" to True to update corresponding value in the cache
"""
value = cache.get_value(key)
if value is None or force is True:
dbsession = DBSession()
c = dbsession.query(Config).get(key)
if c is not None:
v = c.value
cache.set_value(key, v)
value = v
if key == 'timezone' and not isinstance(value, pytz.tzinfo.DstTzInfo):
# convert timezone string to the timezone object
try:
value = pytz.timezone(value)
except pytz.exceptions.UnknownTimeZoneError:
value = pytz.timezone('UTC')
cache.set_value(key, value)
return cache.get_value(key)
def get_gplusone_button(force_reload=False):
value = cache.get_value('rendered_gplusone_button')
if value is None or force_reload:
if get_config('social_gplusone') != 'true':
value = ''
else:
tpl = '''<script type="text/javascript" src="https://apis.google.com/js/plusone.js"></script>
<g:plusone></g:plusone>'''
value = tpl
cache.set_value('rendered_gplusone_button', value)
return value
def get_public_tags_cloud(force_reload=False):
"""
return tags cloud: list of tuples-pairs ("tag", "tag_weight"), tag_weight - is a number divisible by 5,
0 <= tag_weight <= 100
Only for published articles.
"""
value = cache.get_value('tags_cloud')
if value is None or force_reload:
dbsession = DBSession()
q = dbsession.query(func.count(Tag.id), Tag.tag).join(Article).filter(Article.is_draft==False).group_by(Tag.tag)
items = list()
counts = list()
total = 0
for rec in q.all():
if rec[0] <= 0:
continue
total += rec[0]
items.append((rec[1], int(rec[0])))
counts.append(int(rec[0]))
if len(counts) != 0:
min_count = min(counts)
max_counts = max(counts)
if min_count == max_counts:
# i.e. all tags counts are the same, so they have the same weight
weights = [(x[0], 50) for x in items]
else:
lmm = lg(max_counts) - lg(min_count)
weights = [(x[0], (lg(x[1])-lg(min_count)) / lmm) for x in items]
weights = [(x[0], int(5*(int(100*x[1])/5))) for x in weights]
value = weights
else:
value = []
cache.set_value('tags_cloud', value)
return value