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224 | import re, sys
import importlib.util
import latex2mathml.converter
from .hooks import hook, hook_call, reset_hooks
from .hash import handle_hash_sync, clear_all_hashes
from .api import expose, api
from jinja2 import Environment, FileSystemLoader
from markdown import markdown
from markdown.extensions.attr_list import AttrListTreeprocessor
from os import chdir, getcwd, makedirs, path, walk, readlink
from .config import find_project_from_path, load_config
from .errors import fatal, html_fatal
from .fileops import is_dotfile, read_file, write_file
from .log import GRAY, info, warn, progress
from . import log
api.log = log
AttrListTreeprocessor.BASE_RE = r'\[\:?[ ]*([^\]\n ][^\n]*)[ ]*\]'
AttrListTreeprocessor.BLOCK_RE = re.compile(r'\n[ ]*{}[ ]*$'.format(AttrListTreeprocessor.BASE_RE))
AttrListTreeprocessor.HEADER_RE = re.compile(r'[ ]+{}[ ]*$'.format(AttrListTreeprocessor.BASE_RE))
AttrListTreeprocessor.INLINE_RE = re.compile(r'^{}'.format(AttrListTreeprocessor.BASE_RE))
replace_filters = [
("<p>{%" , "{%" ),
("%}</p>", "%}" ),
]
def load_plugins(config):
reset_hooks()
module_dir = path.abspath(config.tree.plugins)
sys.path.insert(0, module_dir)
try:
main_path = path.join(module_dir, "main.py")
if not path.isfile(main_path):
warn("can not find `main.py` on plugins directory")
return {}
for name in list(sys.modules):
mod_file = getattr(sys.modules[name], "__file__", "") or ""
if mod_file.startswith(module_dir):
del sys.modules[name]
spec = importlib.util.spec_from_file_location("plugins", main_path)
if spec is None or spec.loader is None:
raise RuntimeError("Failed to create plugin module spec.")
module = importlib.util.module_from_spec(spec)
module.api = api
module.hook = hook
spec.loader.exec_module(module)
hook_call("on_plugins_before_export", config)
exports = {n: v for n, v in vars(module).items() if not n.startswith("_")}
hook_call("on_plugins_loaded", exports)
return exports
except Exception as e:
raise RuntimeError(f"Failed loading plugin {config.tree.plugins}: {e}") from e
finally:
sys.path.pop(0)
@expose("html_filter")
def html_filter(html_content):
html = []
for line in html_content.splitlines():
for fltr in replace_filters:
line = line.replace(*fltr)
html.append(line)
result = "\n".join(html)
result = re.sub(r'(}}\s*)\[[^\]]*\]', r'\1', result)
return result
def render_math(md_content):
def convert(m):
return latex2mathml.converter.convert(m.group(1))
md_content = re.sub(r'\<math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><mi>\</mi></mrow></math>(.+?)\<math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><mi>\</mi></mrow></math>', convert, md_content, flags=re.DOTALL)
md_content = re.sub(r'\<math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><mo stretchy="false">(</mo><mo>.</mo><mo>+</mo><mo>?</mo><mo stretchy="false">)</mo><mi>\</mi></mrow></math>', convert, md_content)
return md_content
@expose("jinja_handler")
def jinja_handler(config, html_content, plugins=None):
try:
if config:
templates = hook_call("on_jinja_template_dir", config.tree.templates) or config.tree.templates
env = Environment(loader=FileSystemLoader(templates))
else:
env = Environment()
template = env.from_string(html_content)
result = template.render(**plugins) if plugins else template.render()
return hook_call("on_jinja_template_renderer", result) or result
except Exception as e:
hook_call("on_jinja_error", e)
return html_fatal(e, f"Template error")
@expose("save_html")
def save_html(html_content, html_dest):
html_dest = path.abspath(html_dest)
makedirs(path.dirname(html_dest), exist_ok=True)
write_file(html_dest, html_content)
hook_call("on_page_written", html_dest, html_content)
def process_highlighting(config):
highlight = config.extras.highlight if config else "noclasses"
highlight = hook_call("on_highlight_config", highlight) or highlight
return {
"use_pygments": True,
"linenums": True,
"linenums_style": "table",
"noclasses": highlight != "noclasses",
**({} if highlight == "noclasses" else {"pygments_style": highlight}),
}
@expose("md_to_html")
def md_to_html(config, md_content):
math_rendered = render_math(md_content)
math_rendered = hook_call("on_math_renderer", math_rendered) or math_rendered
raw_html = markdown(
math_rendered,
extensions=[
"extra", "md_in_html",
"pymdownx.betterem", "pymdownx.critic", "pymdownx.details",
"pymdownx.highlight", "pymdownx.inlinehilite", "pymdownx.keys",
"pymdownx.mark", "pymdownx.superfences", "pymdownx.tabbed", "pymdownx.tilde",
],
extension_configs={"pymdownx.highlight": process_highlighting(config)},
)
raw_html = hook_call("on_md_to_html", raw_html) or raw_html
filtered = hook_call("on_html_filter", html_filter(raw_html)) or html_filter(raw_html)
return filtered
@expose("compile_page")
def compile_page(md_content, html_dest=None, config=None, plugins=None):
html = jinja_handler(config, md_to_html(config, md_content), plugins)
html = hook_call("on_page_rendered", html) or html
if html_dest is None:
return html
save_html(html, html_dest)
return True
def read_md_content(md_file):
content = read_file(md_file)
return hook_call("on_page_read", md_file, content) or content
@expose("compile_file")
def compile_file(md_file, html_dest, config=None, plugins=None, force=False):
hook_call("on_compile_start", md_file)
if config and not force:
if handle_hash_sync(config, md_file) is None and path.exists(html_dest):
hook_call("on_page_skip", md_file)
info(f"Skipping {GRAY(md_file)}...")
return None
result = compile_page(read_md_content(md_file), html_dest, config, plugins)
info(f"Building {GRAY(md_file)}...")
hook_call("on_page_built", md_file, html_dest)
return result
def walk_and_build(config, plugins, dest, force_all=False):
md_path = config.tree.markdown
hook_call("on_walk_start", config)
files = [path.join(p, f) for p, _, fs in walk(md_path) for f in fs]
for md_file in progress(files, "Building"):
hook_call("on_walk_file", md_file)
md_relpath = path.relpath(md_file, md_path)
if is_dotfile(md_relpath):
continue
html_dest = path.join(dest, md_relpath.removesuffix(".md") + ".html")
source = readlink(md_file) if path.islink(md_file) else md_file
compile_file(source, html_dest, config, plugins, force=force_all)
hook_call("on_walk_end", config)
def build_all(config, plugins, dest):
clear_all_hashes(config)
walk_and_build(config, plugins, dest, force_all=True)
def validate_build(config, plugins):
errors = []
md_path = config.tree.markdown
for parent, _, filenames in walk(md_path):
for filename in filenames:
md_file = path.join(parent, filename)
if is_dotfile(path.relpath(md_file, md_path)):
continue
source = readlink(md_file) if path.islink(md_file) else md_file
try:
compile_page(read_md_content(source), config=config, plugins=plugins)
except Exception as e:
errors.append(f"{path.relpath(md_file, md_path)}: {e}")
if errors:
for e in errors:
warn(e)
raise Exception(f"Validation failed with {len(errors)} error(s)")
info("Validation passed.")
exit(0)
def build_if_file(project_path, file):
if project_path:
raise ValueError("Specify either a project path or a file path, not both.")
if len(file) != 2:
raise ValueError("A file path must include exactly a source and a destination.")
html_dest = path.abspath(file[1])
if path.isdir(html_dest):
html_dest = path.join(html_dest,"index.html")
compile_file(file[0], html_dest, force=True)
def build(mode, project_path, file, validate=False, force=False):
try:
if file:
return build_if_file(project_path, file)
project_path = project_path or getcwd()
find_project_from_path(project_path)
chdir(project_path)
config = load_config()
plugins = load_plugins(config)
dest = config.tree.draft_dest if mode == "draft" else config.tree.release_dest
hook_call("on_build_start", config)
if validate:
validate_build(config, plugins)
walk_and_build(config, plugins, dest, force_all=force)
hook_call("on_build_end", config)
except Exception as e:
fatal(e, f"Build failed: {e}")
|
