#!/usr/bin/env python3 import fnmatch import locale import os from collections import defaultdict from dataclasses import dataclass from datetime import datetime, timedelta from html import escape from itertools import groupby from pathlib import Path from string import Template from textwrap import dedent from time import perf_counter import mistune from jinja2 import Environment as Env from jinja2 import FileSystemLoader from minicli import cli, run, wrap from mistune.directives import DirectiveInclude from PIL import Image from slugify import slugify from typography import typographie # Useful for dates rendering within Jinja2. locale.setlocale(locale.LC_ALL, "fr_FR.UTF-8") HERE = Path(".") DAVID = HERE / "david" STATIC = HERE / ".." / "larlet-fr-static" DOMAIN = "https://larlet.fr" LOCAL_DOMAIN = "http://larlet.test:3579" # Hardcoding publication at 12 in Paris timezone. NORMALIZED_STRFTIME = "%Y-%m-%dT12:00:00+01:00" TODAY = datetime.today() + timedelta(hours=6) PUBLICATION_BUFFER = TODAY - timedelta(days=7) NB_ITEMS_IN_FEED = 30 all_tags = set() pages_by_tags = defaultdict(list) pages_by_url = {} class MarkParser(mistune.InlineParser): """Parses `==foo==` as `foo`.""" MARK = ( r"(\={2})(?=[^\s*])(" r"(?:\\[\\*]|[^*])*" r"(?:" + mistune.InlineParser.ESCAPE + r"|[^\s*]))\1" ) RULE_NAMES = mistune.InlineParser.RULE_NAMES + ("mark",) def parse_mark(self, m, state): marker = m.group(1) text = m.group(2) return "mark", self.render(text, state) class MarkRenderer(mistune.HTMLRenderer): """To use in conjunction with `MarkParser`.""" def mark(self, text): return "" + text + "" class TagsRenderer(mistune.HTMLRenderer): """Make the asumption each line starting with a `#` is a tag.""" def paragraph(self, text): if text.startswith("#"): tags = " ".join( f'#{tag.strip()}' for tag in text.split("#") if tag.strip() ) return f"\n" return super().paragraph(text) class FrenchTypographyRenderer(mistune.HTMLRenderer): """Apply French typographic rules to text.""" def text(self, text): return typographie(super().text(text)) class InternalLinkTitleRenderer(mistune.HTMLRenderer): """Automatically generate the title for internal links.""" def link(self, link, text=None, title=None): if text is None: text = link s = '" + (text or link) + "" class CustomAndBlockquoteLanguageRenderer( FrenchTypographyRenderer, InternalLinkTitleRenderer, MarkRenderer, TagsRenderer ): """Sets the English language attribute for blockquotes with `[en]` prefix.""" def _get_language(self, text): if text.startswith("

[en] "): return "en", text.replace("

[en] ", "

") else: return None, text def block_quote(self, text): language, text = self._get_language(text) if language: return f'\n

\n{text}
\n' else: return f"\n
\n{text}
\n" class ImgsWithSizesRenderer(CustomAndBlockquoteLanguageRenderer): """Renders images as
s and add sizes.""" def paragraph(self, text): # In case of a figure, we do not want the (non-standard) paragraph. if text.strip().startswith("
"): return text return super().paragraph(text) def image(self, src, alt="", title=None): full_path = STATIC / Path(src[1:]) image = Image.open(full_path) width, height = image.size return dedent( f"""\
{alt}
{title}
""" ) class ImgsWithSizesAndLightboxRenderer(ImgsWithSizesRenderer): """Renders images as
s and add sizes + lazy attribute. Also, implement a lightbox markup. See: https://www.sylvaindurand.org/overlay-image-in-pure-css/ """ def image(self, src, alt="", title=None): file_name = Path(src).stem full_path = STATIC / Path(src[1:]) image = Image.open(full_path) width, height = image.size return dedent( f"""\
{alt} {alt}
{title}
""" ) class H2AnchorsRenderer(ImgsWithSizesAndLightboxRenderer): """Custom renderer for H2 titles with anchors.""" def heading(self, text, level): if level == 2: slug = slugify(text) return ( f'

' f"{text} " f'#' f"

" ) else: return super().heading(text, level) # We want a custom renderer to create a hash/link for each H2 headings. markdown_with_h2_anchors = mistune.Markdown( renderer=H2AnchorsRenderer(escape=False), inline=MarkParser(H2AnchorsRenderer(escape=False)), plugins=[DirectiveInclude()], ) # The second markdown is pertinent to generate articles for the feed, # we do not need anchors in that case. markdown_with_img_sizes = mistune.Markdown( renderer=ImgsWithSizesRenderer(escape=False), inline=MarkParser(ImgsWithSizesRenderer(escape=False)), plugins=[DirectiveInclude()], ) # This is the jinja2 configuration to locate templates. environment = Env(loader=FileSystemLoader(str(DAVID / "templates"))) def neighborhood(iterable, first=None, last=None): """ Yield the (previous, current, next) items given an iterable. You can specify a `first` and/or `last` item for bounds. """ iterator = iter(iterable) previous = first current = next(iterator) # Throws StopIteration if empty. for next_ in iterator: yield (previous, current, next_) previous = current current = next_ yield (previous, current, last) def each_markdown_from(source_dir, file_name="*.md"): """Walk across the `source_dir` and return the md file paths.""" for filename in fnmatch.filter(os.listdir(source_dir), file_name): yield filename @dataclass class Page: title: str content: str tags: list file_path: str lang: str = "fr" def __post_init__(self): date_str, _ = self.file_path.split(" - ", 1) self.url = f"/david/{date_str.replace('-', '/')}/" self.date = datetime.strptime(date_str, "%Y-%m-%d").date() self.full_url = f"{DOMAIN}{self.url}" self.normalized_date = self.date.strftime(NORMALIZED_STRFTIME) self.escaped_title = escape(self.title) tag_template = Template( f'#$tag_name' ) tag_links = " ".join( tag_template.substitute(tag_slug=slugify(tag), tag_name=tag) for tag in self.tags ) self.escaped_content = escape( self.content.replace('href="/', f'href="{DOMAIN}/') .replace('src="/', f'src="{DOMAIN}/') .replace('href="#', f'href="{self.full_url}#') + f"" + '

Réagir ?

' ) # Extract first paragraph. self.extract = self.content.split("

", 1)[0] + "

" def __eq__(self, other): return self.url == other.url def __lt__(self, other: "Page"): if not isinstance(other, Page): return NotImplemented return self.date < other.date @staticmethod def all(source: Path, only_published=True, with_h2_anchors=True): """Retrieve all pages sorted by desc.""" page_list = [] md = markdown_with_h2_anchors if with_h2_anchors else markdown_with_img_sizes for file_name in sorted(each_markdown_from(source)): result = md.read(source / file_name) # Extract (and remove) the title from the generated page. title, content = result.split("", 1) h1_opening_size = len("

") title = title[h1_opening_size:] tags = {} if "