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

235 lines
8.0 KiB
Python

import logging
import os
import re
import shutil
import subprocess
import yaml
import bs4
import mkdocs.commands.build
import test
import util
import website
TEMPORARY_FILE_NAME = "single.md"
def recursive_values(item):
if isinstance(item, dict):
for _, value in list(item.items()):
yield from recursive_values(value)
elif isinstance(item, list):
for value in item:
yield from recursive_values(value)
elif isinstance(item, str):
yield item
anchor_not_allowed_chars = re.compile(r"[^\w\-]")
def generate_anchor_from_path(path):
return re.sub(anchor_not_allowed_chars, "-", path)
absolute_link = re.compile(r"^https?://")
def replace_link(match, path):
title = match.group(1)
link = match.group(2)
# Not a relative link
if re.search(absolute_link, link):
return match.group(0)
if link.endswith("/"):
link = link[0:-1] + ".md"
return "{}(#{})".format(
title,
generate_anchor_from_path(
os.path.normpath(os.path.join(os.path.dirname(path), link))
),
)
# Concatenates Markdown files to a single file.
def concatenate(lang, docs_path, single_page_file, nav):
lang_path = os.path.join(docs_path, lang)
proj_config = f"{docs_path}/toc_{lang}.yml"
if os.path.exists(proj_config):
with open(proj_config) as cfg_file:
nav = yaml.full_load(cfg_file.read())["nav"]
files_to_concatenate = list(recursive_values(nav))
files_count = len(files_to_concatenate)
logging.info(
f"{files_count} files will be concatenated into single md-file for {lang}."
)
logging.debug("Concatenating: " + ", ".join(files_to_concatenate))
assert files_count > 0, f"Empty single-page for {lang}"
link_regexp = re.compile(r"(\[[^\]]+\])\(([^)#]+)(?:#[^\)]+)?\)")
for path in files_to_concatenate:
try:
with open(os.path.join(lang_path, path)) as f:
# Insert a horizontal ruler. Then insert an anchor that we will link to. Its name will be a path to the .md file.
single_page_file.write(
'\n______\n<a name="%s"></a>\n' % generate_anchor_from_path(path)
)
in_metadata = False
for line in f:
# Skip YAML metadata.
if line == "---\n":
in_metadata = not in_metadata
continue
if not in_metadata:
# Increase the level of headers.
if line.startswith("#"):
line = "#" + line
# Replace links within the docs.
if re.search(link_regexp, line):
line = re.sub(
link_regexp,
lambda match: replace_link(match, path),
line,
)
# If failed to replace the relative link, print to log
# But with some exceptions:
# - "../src/" -- for cmake-in-clickhouse.md (link to sources)
# - "../usr/share" -- changelog entry that has "../usr/share/zoneinfo"
if (
"../" in line
and (not "../usr/share" in line)
and (not "../src/" in line)
):
logging.info("Failed to resolve relative link:")
logging.info(path)
logging.info(line)
single_page_file.write(line)
except IOError as e:
logging.warning(str(e))
single_page_file.flush()
def get_temporary_file_name(lang, args):
return os.path.join(args.docs_dir, lang, TEMPORARY_FILE_NAME)
def remove_temporary_files(lang, args):
single_md_path = get_temporary_file_name(lang, args)
if os.path.exists(single_md_path):
os.unlink(single_md_path)
def build_single_page_version(lang, args, nav, cfg):
logging.info(f"Building single page version for {lang}")
os.environ["SINGLE_PAGE"] = "1"
extra = cfg.data["extra"]
extra["single_page"] = True
extra["is_amp"] = False
single_md_path = get_temporary_file_name(lang, args)
with open(single_md_path, "w") as single_md:
concatenate(lang, args.docs_dir, single_md, nav)
with util.temp_dir() as site_temp:
with util.temp_dir() as docs_temp:
docs_src_lang = os.path.join(args.docs_dir, lang)
docs_temp_lang = os.path.join(docs_temp, lang)
shutil.copytree(docs_src_lang, docs_temp_lang)
for root, _, filenames in os.walk(docs_temp_lang):
for filename in filenames:
if filename != "single.md" and filename.endswith(".md"):
os.unlink(os.path.join(root, filename))
cfg.load_dict(
{
"docs_dir": docs_temp_lang,
"site_dir": site_temp,
"extra": extra,
"nav": [{cfg.data.get("site_name"): "single.md"}],
}
)
if not args.test_only:
mkdocs.commands.build.build(cfg)
single_page_output_path = os.path.join(
args.docs_dir, args.docs_output_dir, lang, "single"
)
if os.path.exists(single_page_output_path):
shutil.rmtree(single_page_output_path)
shutil.copytree(
os.path.join(site_temp, "single"), single_page_output_path
)
single_page_index_html = os.path.join(
single_page_output_path, "index.html"
)
single_page_content_js = os.path.join(
single_page_output_path, "content.js"
)
with open(single_page_index_html, "r") as f:
sp_prefix, sp_js, sp_suffix = f.read().split("<!-- BREAK -->")
with open(single_page_index_html, "w") as f:
f.write(sp_prefix)
f.write(sp_suffix)
with open(single_page_content_js, "w") as f:
if args.minify:
import jsmin
sp_js = jsmin.jsmin(sp_js)
f.write(sp_js)
logging.info(f"Re-building single page for {lang} pdf/test")
with util.temp_dir() as test_dir:
extra["single_page"] = False
cfg.load_dict(
{
"docs_dir": docs_temp_lang,
"site_dir": test_dir,
"extra": extra,
"nav": [{cfg.data.get("site_name"): "single.md"}],
}
)
mkdocs.commands.build.build(cfg)
css_in = " ".join(website.get_css_in(args))
js_in = " ".join(website.get_js_in(args))
subprocess.check_call(
f"cat {css_in} > {test_dir}/css/base.css", shell=True
)
subprocess.check_call(
f"cat {js_in} > {test_dir}/js/base.js", shell=True
)
if args.save_raw_single_page:
shutil.copytree(test_dir, args.save_raw_single_page)
logging.info(f"Running tests for {lang}")
test.test_single_page(
os.path.join(test_dir, "single", "index.html"), lang
)
logging.info(f"Finished building single page version for {lang}")
remove_temporary_files(lang, args)