ClickHouse/docs/tools/amp.py
2022-03-22 17:39:58 +01:00

106 lines
3.5 KiB
Python

import logging
import os
import subprocess
import bs4
import cssmin
import jinja2
import mkdocs.commands.build
import mdx_clickhouse
import test
import util
import website
def prepare_amp_html(lang, args, root, site_temp, main_site_dir):
src_path = root
src_index = os.path.join(src_path, "index.html")
rel_path = os.path.relpath(src_path, site_temp)
dst_path = os.path.join(main_site_dir, rel_path, "amp")
dst_index = os.path.join(dst_path, "index.html")
logging.debug(f"Generating AMP version for {rel_path} ({lang})")
os.makedirs(dst_path)
with open(src_index, "r") as f:
content = f.read()
css_in = " ".join(website.get_css_in(args))
command = f"purifycss --min {css_in} '{src_index}'"
logging.debug(command)
inline_css = subprocess.check_output(command, shell=True).decode("utf-8")
inline_css = inline_css.replace("!important", "").replace("/*!", "/*")
inline_css = cssmin.cssmin(inline_css)
content = content.replace("CUSTOM_CSS_PLACEHOLDER", inline_css)
with open(dst_index, "w") as f:
f.write(content)
return dst_index
def build_amp(lang, args, cfg):
# AMP docs: https://amp.dev/documentation/
logging.info(f"Building AMP version for {lang}")
with util.temp_dir() as site_temp:
extra = cfg.data["extra"]
main_site_dir = cfg.data["site_dir"]
extra["is_amp"] = True
cfg.load_dict({"site_dir": site_temp, "extra": extra})
try:
mkdocs.commands.build.build(cfg)
except jinja2.exceptions.TemplateError:
if not args.version_prefix:
raise
mdx_clickhouse.PatchedMacrosPlugin.disabled = True
mkdocs.commands.build.build(cfg)
paths = []
for root, _, filenames in os.walk(site_temp):
if "index.html" in filenames:
paths.append(
prepare_amp_html(lang, args, root, site_temp, main_site_dir)
)
logging.info(f"Finished building AMP version for {lang}")
def html_to_amp(content):
soup = bs4.BeautifulSoup(content, features="html.parser")
for tag in soup.find_all():
if tag.attrs.get("id") == "tostring":
tag.attrs["id"] = "_tostring"
if tag.name == "img":
tag.name = "amp-img"
tag.attrs["layout"] = "responsive"
src = tag.attrs["src"]
if not (src.startswith("/") or src.startswith("http")):
tag.attrs["src"] = f"../{src}"
if not tag.attrs.get("width"):
tag.attrs["width"] = "640"
if not tag.attrs.get("height"):
tag.attrs["height"] = "320"
if tag.name == "iframe":
tag.name = "amp-iframe"
tag.attrs["layout"] = "responsive"
del tag.attrs["alt"]
del tag.attrs["allowfullscreen"]
if not tag.attrs.get("width"):
tag.attrs["width"] = "640"
if not tag.attrs.get("height"):
tag.attrs["height"] = "320"
elif tag.name == "a":
href = tag.attrs.get("href")
if href:
if not (href.startswith("/") or href.startswith("http")):
if "#" in href:
href, anchor = href.split("#")
else:
anchor = None
href = f"../{href}amp/"
if anchor:
href = f"{href}#{anchor}"
tag.attrs["href"] = href
content = str(soup)
return website.minify_html(content)