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import streamlit as st
import re
from pathlib import Path
import yaml
REGEX_YAML_BLOCK = re.compile(r"---[\n\r]+([\S\s]*?)[\n\r]+---[\n\r](.*)", re.DOTALL)
def render_preview(image, title, description):
with st.container():
image_col, text_col = st.columns((1,2))
with image_col:
st.image(image)
with text_col:
st.subheader(title)
st.write(description)
clicked = st.button("Read more...", key=title)
return clicked
def render_page(post_path: Path):
text = post_path.read_text()
match = REGEX_YAML_BLOCK.search(text)
page_content = match.group(2) if match else text
st.markdown(page_content, unsafe_allow_html=True)
def get_page_data(post_path: Path):
text = post_path.read_text()
match = REGEX_YAML_BLOCK.search(text)
if match:
data = match.group(1)
data = yaml.load(data, Loader=yaml.FullLoader)
return data
return {}
def main():
st.set_page_config(layout="wide")
posts = ['posts/hello_world.md', 'posts/check_this_out.md']
page_to_show = None
with st.sidebar:
st.markdown('''
<div align="center">
<h1>A Test Blog!</h1>
[](https://github.com/nateraw/host-a-blog-on-huggingface-spaces)
</div>
''', unsafe_allow_html=True)
st.markdown('---')
for post in posts:
data = get_page_data(Path(post))
clicked = render_preview(data.get("thumbnail"), data.get("title"), data.get("description"))
if clicked:
page_to_show = post
if page_to_show:
render_page(Path(page_to_show))
main()
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