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import re
import random
import string
from django.apps import apps
from django.utils.text import slugify
from django.template.loader import render_to_string
from bs4 import BeautifulSoup
import markdown
def markdown_to_html(txt):
md = markdown.Markdown(
extensions=[
'markdown.extensions.fenced_code',
'markdown.extensions.codehilite',
'markdown.extensions.attr_list',
'footnotes',
'extra'
],
extension_configs={
'markdown.extensions.codehilite': {
'css_class': 'highlight',
'linenums': False
},
},
output_format='html5',
safe_mode=False
)
return md.convert(txt)
def parse_image(s):
soup = BeautifulSoup(s.group(), "lxml")
for img in soup.find_all('img'):
cl = img['class']
image_id = img['id'].split("image-")[1]
i = apps.get_model('photos', 'LuxImage').objects.get(pk=image_id)
caption = False
exif = False
cluster_class = None
is_cluster = False
extra = None
if cl[0] == 'cluster':
css_class = cl[0]
is_cluster = True
cluster_class = cl[1]
try:
if cl[2] == 'caption':
caption = True
elif cl[2] == 'exif':
exif = True
else:
extra = cl[2]
if len(cl) > 3:
if cl[3] == 'exif':
exif = True
except:
pass
elif cl[0] != 'cluster' and len(cl) > 1:
css_class = cl[0]
if cl[1] == 'caption':
caption = True
if cl[1] == 'exif':
exif = True
elif cl[0] != 'cluster' and len(cl) > 2:
css_class = cl[0]
if cl[1] == 'caption':
caption = True
if cl[2] == 'exif':
exif = True
print('caption'+str(caption))
else:
css_class = cl[0]
return render_to_string("lib/img_%s.html" % css_class, {'image': i, 'caption': caption, 'exif': exif, 'is_cluster': is_cluster, 'cluster_class': cluster_class, 'extra': extra})
def render_images(s):
s = re.sub('<img(.*)/>', parse_image, s)
return s
def parse_video(s):
soup = BeautifulSoup(s, "lxml")
if soup.find('video'):
return True
return False
def random_string_generator(size=10, chars=string.ascii_lowercase + string.digits):
return ''.join(random.choice(chars) for _ in range(size))
def unique_slug_generator(instance, new_slug=None):
if new_slug is not None:
slug = new_slug
else:
try:
slug = slugify(instance.title)
except AttributeError:
slug = slugify(instance.name)
Klass = instance.__class__
qs_exists = Klass.objects.filter(slug=slug).exists()
if qs_exists:
new_slug = "{slug}-{randstr}".format(
slug=slug,
randstr=random_string_generator(size=4)
)
return unique_slug_generator(instance, new_slug=new_slug)
return slug
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