Stage1 of migration

This commit is contained in:
thematdev 2023-01-27 17:31:58 +03:00
parent f46fd4bf72
commit 85073b161e
3 changed files with 6 additions and 40 deletions

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@ -1,7 +1,10 @@
from flask import Flask, url_for, render_template, abort
# Project is now migrating to another toolchain
# Stage1: Part of rendering is done via Makefiles
# but flask is still responsible for template substitution
from flask import Flask, url_for, render_template
import os
from app.config import PANDOC_LINK, PANDOC_PATH, WHITELIST_PATH
from app.hash_manager import hash_file_sha512
from app.page_model import WikiPage
from typing import List
@ -42,30 +45,9 @@ def dated_url_for(endpoint, **values):
return url_for(endpoint, **values)
def render_page(page: WikiPage):
if page.name not in get_all_names():
raise Exception("Page doesn't exist!")
in_filename = page.get_file('main.md')
out_filename = page.get_file('render.html')
os.system(f'pandoc {in_filename} --to html --mathjax --output {out_filename}')
print('Creating lock file')
os.system(f'echo {hash_file_sha512(in_filename)} > {out_filename}.lock')
@app.route(f'/{PANDOC_LINK}/<name>')
def get_pandoc_page(name: str):
page = get_page(name)
if not os.path.exists(page.get_file('render.html')) or not os.path.exists(page.get_file('render.html.lock')):
print(f'Rendered page or lockfile for {name} does not exist! Rendering {name}')
render_page(page)
else:
with open(page.get_file('render.html.lock'), 'r') as f:
rendered_hash = f.read().strip()
current_hash = hash_file_sha512(page.get_file('main.md'))
if rendered_hash != current_hash:
print(f'CURRENT: {current_hash}, RENDERED: {rendered_hash}')
print(f'Integrity test failed, rendering {name}!')
render_page(page)
template = page.template
with open(page.get_file('render.html'), 'r') as f:
inserted = f.read()

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@ -1,17 +0,0 @@
import hashlib
BUF_SZ = 4096
def hash_file_sha512(filename):
res = hashlib.sha512()
with open(filename, 'rb') as f:
data = f.read(BUF_SZ)
while data:
res.update(data)
data = f.read(BUF_SZ)
return res.hexdigest()

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@ -0,0 +1 @@
{{markdown|safe}}