blog/build/page.py

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2023-03-13 00:19:55 +01:00
#!/usr/bin/env python
import os
import sys
import markdown
import re
# SRC
# +-2022/
# | +-10/
# | +-12/
# | +-25/
# +-2023/
# | +-1/
# | +-26/
# | +-3/
# ...
def print_usage():
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print(f"\nusage: python {sys.argv[0]} SRC DEST\n")
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print("\n")
print("\t\tSRC\tinput markdown file")
print("\t\tDEST\tdestination html file")
# check args
if len(sys.argv) != 3:
print_usage()
sys.exit(1)
src_file = sys.argv[1]
dest_file = sys.argv[2]
# check blog root exists
if not os.path.isfile(src_file):
print("{blog_root} doesn't exist")
sys.exit(1)
# make dest dir if it doesnt exist
dest_dir = os.path.dirname(dest_file)
print(dest_dir)
if not os.path.isdir(dest_dir):
os.makedirs(dest_dir)
# write markdown into a dummy file first so that we can add lines before it in the final output
dummy_file = f"{dest_file}.bak"
open(dummy_file, 'w').close()
print(f"{src_file} -> {dummy_file}")
markdown.markdownFromFile(input=src_file, output=dummy_file, extensions=["fenced_code"])
# TODO: a lot of this templating work is specific to the ktyl.dev blog - ideally, that stuff should
# be in *that* repo, not this one
print(f"{dummy_file} -> {dest_file}")
with open(dummy_file, 'r') as read_file, open(dest_file, 'w') as write_file:
write_file.write("#include blogstart.html\n")
# modify the basic html to make it nicer for styling later
html = read_file.read()
# extract images from their enclosing <p> tags and put them in img panels
html = re.sub('(<p>(<img(?:.+)/>)</p>)', r'<div class="img-panel">\2</div>', html)
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# wrap <ul> elements with <p> to get them into blocks
html = re.sub('(<ul>(\n|.)*</ul>)', r'<p>\1</p>', html)
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# insert text-panel start between non-<p> and <p> elements
html = re.sub('((?<!</p>)\n)(<p>)', r'\1<div class="text-panel">\n\2', html)
# insert para-block end between <p> and non-<p> elements
html = re.sub('(</p>\n)((?!<p>))', r'\1</div>\n\2', html)
# insert code-panel start before <pre> elements
html = re.sub('(<pre>)', r'<div class="code-panel">\n\1', html)
# insert code-panel end after </pre> elements
html = re.sub('(</pre>)', r'\1\n</div>', html)
# replace horizontal rules with nice separator dot
html = re.sub('<hr />', r'<div class="separator"></div>', html)
lines = html.split("\n")
# tack on a closing div because we will have opened one without closing it on the final <p>
lines.append("</div>")
for line in lines:
write_file.write(line + "\n")
write_file.write("\n#include blogend.html\n")
os.remove(dummy_file)