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import os
import re
import glob
import mistune
import app.settings.app_cfg as cfg
import app.builder.s3 as s3
renderer = mistune.Renderer(escape=False)
markdown = mistune.Markdown(renderer=renderer)
def fix_images(lines, s3_path):
real_lines = []
block = "\n\n".join(lines)
for line in block.split("\n"):
if "
url, tail = tail.split(')', 1)
if ':' in alt_text:
tail, alt_text = alt_text.split(':', 1)
img_tag = "<img src='{}' alt='{}'>".format(s3_path + url, alt_text.replace("'", ""))
if len(alt_text):
line = "<div class='image'>{}<div class='caption'>{}</div></div>".format(img_tag, alt_text)
else:
line = "<div class='image'>{}</div>".format(img_tag, alt_text)
real_lines.append(line)
return "\n".join(real_lines)
def format_section(lines, s3_path, type=''):
if len(lines):
lines = fix_images(lines, s3_path)
if type:
return "<section class='{}'>{}</section>".format(type, markdown(lines))
else:
return "<section>" + markdown(lines) + "</section>"
return ""
def format_metadata(section):
meta = []
for line in section.split('\n'):
key, value = line[2:].split(': ', 1)
meta.append("<div><div class='gray'>{}</div><div>{}</div></div>".format(key, value))
return "<section><div class='meta'>{}</div></section>".format(''.join(meta))
def format_applet(section):
payload = section.replace('```', '').strip().split('\n')
if ': ' in payload[0]:
command, opt = payload[0].split(': ')
else:
command = payload[0]
opt = None
if command == 'load_file':
return "<section><div class='applet'>{}</div></section>"
def parse_markdown(sections, s3_path, skip_h1=False):
groups = []
current_group = []
for section in sections:
if skip_h1 and section.startswith('# '):
continue
elif section.startsWith('```'):
groups.append(format_section(current_group, s3_path))
groups.append(format_applet(section))
current_group = []
elif section.startswith('+ '):
groups.append(format_section(current_group, s3_path))
groups.append(format_metadata(section))
current_group = []
elif '![wide:' in section:
groups.append(format_section(current_group, s3_path))
groups.append(format_section([section], s3_path, type='wide'))
current_group = []
elif '![' in section:
groups.append(format_section(current_group, s3_path))
groups.append(format_section([section], s3_path, type='images'))
current_group = []
else:
current_group.append(section)
groups.append(format_section(current_group, s3_path))
content = "".join(groups)
return content
def parse_research_index(research_posts):
content = "<div class='research_index'>"
for post in research_posts:
s3_path = s3.make_s3_path(cfg.S3_SITE_PATH, post['path'])
if 'image' in post:
post_image = s3_path + post['image']
else:
post_image = 'data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=='
row = "<a href='{}'><section class='wide'><img src='{}' alt='Research post' /><section><h1>{}</h1><h2>{}</h2></section></section></a>".format(
post['path'],
post_image,
post['title'],
post['tagline'])
content += row
content += '</div>'
return content
def read_metadata(fn):
with open(fn, "r") as file:
data = file.read()
data = data.replace("\n ", "\n")
if "\n" in data:
data = data.replace("\r", "")
else:
data = data.replace("\r", "\n")
sections = data.split("\n\n")
return parse_metadata(fn, sections)
default_metadata = {
'status': 'published',
'title': 'Untitled Page',
'desc': '',
'slug': '',
'published': '2018-12-31',
'updated': '2018-12-31',
'authors': 'Adam Harvey',
'sync': 'true',
'tagline': '',
}
def parse_metadata_section(metadata, section):
for line in section.split("\n"):
if ': ' not in line:
continue
key, value = line.split(': ', 1)
metadata[key.lower()] = value
def parse_metadata(fn, sections):
found_meta = False
metadata = {}
valid_sections = []
for section in sections:
if not found_meta and ': ' in section:
found_meta = True
parse_metadata_section(metadata, section)
continue
if '-----' in section:
continue
if found_meta:
valid_sections.append(section)
if 'title' not in metadata:
print('warning: {} has no title'.format(fn))
for key in default_metadata:
if key not in metadata:
metadata[key] = default_metadata[key]
basedir = os.path.dirname(fn.replace(cfg.DIR_SITE_CONTENT, ''))
basename = os.path.basename(fn)
if basedir == '/':
metadata['path'] = '/'
metadata['url'] = '/'
elif basename == 'index.md':
metadata['path'] = basedir + '/'
metadata['url'] = metadata['path']
else:
metadata['path'] = basedir + '/'
metadata['url'] = metadata['path'] + basename.replace('.md', '') + '/'
if metadata['status'] == 'published|draft|private':
metadata['status'] = 'published'
metadata['sync'] = metadata['sync'] != 'false'
metadata['author_html'] = '<br>'.join(metadata['authors'].split(','))
return metadata, valid_sections
def read_research_post_index():
posts = []
for fn in sorted(glob.glob('../site/content/research/*/index.md')):
metadata, valid_sections = read_metadata(fn)
if metadata is None or metadata['status'] == 'private' or metadata['status'] == 'draft':
continue
posts.append(metadata)
if not len(posts):
posts.append({
'title': 'Placeholder',
'slug': 'placeholder',
'date': 'Placeholder',
'url': '/',
})
return posts
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