Applied improvements from feature-code-quality branch: - Refactored slugify() for better readability with inline comments - Renamed log() parameter *args to *log_args (avoid shadowing built-in) - Added comprehensive unit tests for slugify function - Enhanced Makefile with typecheck and test targets - Updated build target to run type checks and tests before Docker build All tests pass and type checking succeeds.
776 lines
24 KiB
Python
Executable file
776 lines
24 KiB
Python
Executable file
#!/usr/bin/env python3
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"""Make static website/blog with Python."""
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import argparse
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import datetime
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import json
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import locale
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import os
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import re
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import shutil
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import sys
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import time
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import unicodedata
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from email import utils
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from pathlib import Path
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import requests
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import mistune
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from pygments import highlight
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from pygments.lexers import get_lexer_by_name
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from pygments.formatters import html
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FRENCH_WEEKDAYS = ['lun.', 'mar.', 'mer.', 'jeu.', 'ven.', 'sam.', 'dim.']
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FRENCH_MONTHS = ['janv.', 'févr.', 'mars', 'avr.', 'mai', 'juin',
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'juil.', 'août', 'sept.', 'oct.', 'nov.', 'déc.']
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class HighlightRenderer(mistune.HTMLRenderer):
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"""Custom Mistune renderer that adds syntax highlighting to code blocks using Pygments."""
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def block_code(self, code, info=None):
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"""Render code blocks with syntax highlighting.
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Args:
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code: The code content to render
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info: Optional language identifier for syntax highlighting
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Returns:
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str: HTML with syntax-highlighted code or plain pre/code tags
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"""
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if info:
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lexer = get_lexer_by_name(info, stripall=True)
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formatter = html.HtmlFormatter()
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return highlight(code, lexer, formatter)
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return '<pre><code>' + mistune.escape(code) + '</code></pre>'
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markdown = mistune.create_markdown(renderer=HighlightRenderer())
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def fread(filename):
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"""Read file and close the file."""
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with open(filename, "r") as f:
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return f.read()
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def fwrite(filename, text):
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"""Write content to file and close the file."""
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basedir = os.path.dirname(filename)
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if not os.path.isdir(basedir):
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os.makedirs(basedir)
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with open(filename, "w") as f:
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f.write(text)
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def log(msg, *log_args):
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"""Log message with specified arguments."""
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sys.stderr.write(msg.format(*log_args) + "\n")
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def _strip_tags_and_truncate(text, words=25):
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"""Remove HTML tags and truncate text to the specified number of words."""
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return " ".join(re.sub(r"(?s)<.*?>", " ", text).split()[:words])
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def _parse_headers(text):
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"""Parse HTML comment headers and yield (key, value, end-index) tuples."""
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for match in re.finditer(r"\s*<!--\s*(.+?)\s*:\s*(.+?)\s*-->\s*|.+", text):
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if not match.group(1):
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break
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yield match.group(1), match.group(2), match.end()
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def _rfc_2822_format(date_str):
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"""Convert yyyy-mm-dd date string to RFC 2822 format date string."""
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d = datetime.datetime.strptime(date_str, "%Y-%m-%d")
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return d \
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.replace(tzinfo=datetime.timezone.utc) \
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.strftime('%a, %d %b %Y %H:%M:%S %z')
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def slugify(value):
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"""
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Converts to lowercase, removes non-word characters (alphanumerics and
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underscores) and converts spaces to hyphens. Also strips leading and
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trailing whitespace.
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"""
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value = unicodedata.normalize("NFKD", value).encode("ascii", "ignore").decode("ascii")
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value = re.sub(r"[^\w\s-]", "", value) # Remove non-word characters and spaces
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value = re.sub(r"\s+", "-", value) # Replace multiple spaces with a single hyphen
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return value.lower() # Convert to lowercase
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def parse_post_file(filename, params):
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"""Parse post file: read, extract metadata, convert markdown, and generate summary."""
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# Read file content.
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text = fread(filename)
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# Read metadata and save it in a dictionary.
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date_slug = os.path.basename(filename).split(".")[0]
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match = re.search(r"^(?:(\d\d\d\d-\d\d-\d\d)-)?(.+)$", date_slug)
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content = {"date": match.group(1) or "1970-01-01", "slug": match.group(2)}
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# Read headers.
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end = 0
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for key, val, end in _parse_headers(text):
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content[key] = val
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# slugify post title
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content["slug"] = slugify(content["title"])
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# Separate content from headers.
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text = text[end:]
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# Convert Markdown content to HTML.
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if filename.endswith((".md", ".mkd", ".mkdn", ".mdown", ".markdown")):
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summary_index = text.find("<!-- more")
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if summary_index > 0:
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summary = markdown(_strip_html_tags(text[:summary_index]))
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else:
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summary = _strip_tags_and_truncate(markdown(_strip_html_tags(text)))
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clean_text = text.replace("<!-- more -->", "")
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text = markdown(clean_text)
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else:
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summary = _strip_tags_and_truncate(text)
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# Update the dictionary with content and RFC 2822 date.
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content.update(
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{
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"content": text,
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"content_rss": _make_links_absolute(params["site_url"], text),
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"rfc_2822_date": _rfc_2822_format(content["date"]),
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"summary": summary,
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}
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)
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return content
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def _make_links_absolute(site_url, text):
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"""Convert relative links to absolute URLs for RSS feed."""
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# TODO externalize links replacement configuration
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return text \
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.replace("src=\"/images/20", "src=\"" + site_url + "/images/20") \
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.replace("href=\"/20", "href=\"" + site_url + "/20")
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def _strip_html_tags(text):
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"""Remove HTML tags from text."""
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while True:
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original_text = text
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text = re.sub(r"<\w+.*?>", "", text)
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text = re.sub(r"<\/\w+>", "", text)
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if original_text == text:
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break
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return text
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def render(template, **params):
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"""Replace placeholders in template with values from params."""
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return re.sub(
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r"{{\s*([^}\s]+)\s*}}",
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lambda match: str(params.get(match.group(1), match.group(0))),
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template,
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)
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def get_header_list_value(header_name, page_params):
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"""Extract and parse a space-separated list from a header value.
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Args:
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header_name: Name of the header to extract (e.g., 'category', 'tag')
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page_params: Dict containing page parameters
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Returns:
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list: List of stripped string values from the header
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"""
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header_list = []
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if header_name in page_params:
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for s in page_params[header_name].split(" "):
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if s.strip():
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header_list.append(s.strip())
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return header_list
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def _render_comment(comment, comment_detail_layout):
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"""Render a single comment using the comment detail layout.
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Args:
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comment: Dict with keys: author, content, date, and optional: site, avatar
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comment_detail_layout: Template string for rendering a comment
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Returns:
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str: Rendered HTML for the comment
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"""
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site = comment.get("site", "")
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if site:
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site_start = '<a href="' + site + '">'
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site_end = '</a>'
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else:
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site_start = ''
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site_end = ''
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return render(
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comment_detail_layout,
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author=comment["author"],
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avatar=comment.get("avatar", ""),
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site_start=site_start,
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site_end=site_end,
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date=comment["date"],
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content=markdown(comment["content"]),
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)
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def _fetch_comments(post_url, stacosys_url):
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"""Fetch comments from Stacosys API for a given post URL.
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Args:
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post_url: Relative URL of the post (e.g., "2024/my-post/")
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stacosys_url: Base URL of the Stacosys comment service
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Returns:
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list: List of comment dictionaries from API response
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"""
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req_url = stacosys_url + "/comments"
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query_params = dict(url="/" + post_url)
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resp = requests.get(url=req_url, params=query_params)
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return resp.json()["data"]
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def _process_comments(page_params, stacosys_url, comment_layout,
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comment_detail_layout):
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"""Process comments for a post: fetch, render, and return comment data.
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Args:
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page_params: Dict containing page parameters (must have 'comment' and 'post_url')
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stacosys_url: Base URL of Stacosys service (empty string disables comments)
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comment_layout: Template for the overall comment section
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comment_detail_layout: Template for individual comments
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Returns:
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tuple: (comment_count, comments_html, comment_section_html)
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- comment_count: Number of comments (int)
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- comments_html: Rendered HTML of all comments (str)
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- comment_section_html: Complete comment section with form (str)
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"""
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# Check if comments are enabled for this page
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page_comment = page_params.get("comment", "yes")
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is_page_comment_enabled = (page_comment != "no")
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# Default values when comments are disabled
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if not stacosys_url or not is_page_comment_enabled:
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return 0, "", ""
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# Fetch and render comments
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comments = _fetch_comments(page_params["post_url"], stacosys_url)
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out_comments = [
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_render_comment(comment, comment_detail_layout)
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for comment in comments
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]
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comments_html = "".join(out_comments)
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# Render complete comment section
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temp_params = dict(page_params)
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temp_params["comments"] = comments_html
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temp_params["comment_count"] = len(comments)
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comment_section_html = render(comment_layout, **temp_params)
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return len(comments), comments_html, comment_section_html
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def _get_friendly_date(date_str):
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"""Convert date string to French-formatted readable date.
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Args:
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date_str: Date string in YYYY-MM-DD format
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Returns:
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str: French-formatted date (e.g., "15 janv. 2024")
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"""
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dt = datetime.datetime.strptime(date_str, "%Y-%m-%d")
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french_month = FRENCH_MONTHS[dt.month - 1]
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return f"{dt.day:02d} {french_month} {dt.year}"
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def _process_categories(page_params, category_layout):
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"""Process categories from page params and return rendered category label.
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Args:
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page_params: Dict containing page parameters (must have 'category' key)
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category_layout: Template string for rendering individual categories
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Returns:
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tuple: (list of category strings, rendered category label HTML)
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"""
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categories = get_header_list_value("category", page_params)
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out_cats = []
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for category in categories:
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out_cat = render(category_layout,
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category=category,
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url=slugify(category))
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out_cats.append(out_cat.strip())
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category_label = "".join(out_cats)
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return categories, category_label
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def _setup_page_params(content, params):
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"""Set up page parameters from content and global params.
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Args:
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content: Dict containing parsed content (must have 'date' key)
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params: Global parameters dict
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Returns:
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dict: Page parameters with date_path, friendly_date, year, post_url, etc.
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"""
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page_params = dict(params, **content)
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page_params["header"] = ""
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page_params["footer"] = ""
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page_params["date_path"] = page_params["date"].replace("-", "/")
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page_params["friendly_date"] = _get_friendly_date(page_params["date"])
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page_params["year"] = page_params["date"].split("-")[0]
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page_params["post_url"] = (
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page_params["year"] + "/" + page_params["slug"] + "/"
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)
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return page_params
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def make_posts(
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src, src_pattern, dst, layout, category_layout,
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comment_layout, comment_detail_layout, **params
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):
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"""Generate posts from posts directory."""
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items = []
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for posix_path in Path(src).glob(src_pattern):
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src_path = str(posix_path)
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content = parse_post_file(src_path, params)
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# render text / summary for basic fields
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content["content"] = render(content["content"], **params)
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content["summary"] = render(content["summary"], **params)
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# setup page parameters
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page_params = _setup_page_params(content, params)
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# process categories
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categories, category_label = _process_categories(page_params, category_layout)
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page_params["categories"] = categories
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page_params["category_label"] = category_label
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# tags
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tags = get_header_list_value("tag", page_params)
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page_params["tags"] = tags
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# comments
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comment_count, comments_html, comment_section = _process_comments(
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page_params, params.get("stacosys_url", ""),
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comment_layout, comment_detail_layout
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)
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page_params["comment_count"] = comment_count
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page_params["comments"] = comments_html
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page_params["comment"] = comment_section
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content["year"] = page_params["year"]
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content["post_url"] = page_params["post_url"]
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content["categories"] = page_params["categories"]
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content["category_label"] = page_params["category_label"]
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content["tags"] = page_params["tags"]
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content["friendly_date"] = page_params["friendly_date"]
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content["comment_count"] = page_params["comment_count"]
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items.append(content)
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dst_path = render(dst, **page_params)
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output = render(layout, **page_params)
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log("Rendering {} => {} ...", src_path, dst_path)
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fwrite(dst_path, output)
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return sorted(items, key=lambda x: x["date"], reverse=True)
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def make_notes(
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src, src_pattern, dst, layout, **params
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):
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"""Generate notes from notes directory."""
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items = []
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for posix_path in Path(src).glob(src_pattern):
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src_path = str(posix_path)
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content = parse_post_file(src_path, params)
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# render text / summary for basic fields
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content["content"] = render(content["content"], **params)
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content["summary"] = render(content["summary"], **params)
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page_params = dict(params, **content)
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page_params["header"] = ""
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page_params["footer"] = ""
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page_params["friendly_date"] = ""
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page_params["category_label"] = ""
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page_params["post_url"] = "notes/" + page_params["slug"] + "/"
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content["post_url"] = page_params["post_url"]
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content["friendly_date"] = page_params["friendly_date"]
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content["category_label"] = page_params["category_label"]
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items.append(content)
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dst_path = render(dst, **page_params)
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output = render(layout, **page_params)
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log("Rendering {} => {} ...", src_path, dst_path)
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fwrite(dst_path, output)
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return sorted(items, key=lambda x: x["date"], reverse=True)
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def make_list(
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posts, dst, list_layout, item_layout,
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header_layout, footer_layout, **params
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):
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"""Generate list page for a blog.
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Args:
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posts: List of post dictionaries to include in the list
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dst: Destination path for the generated HTML file
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list_layout: Template for the overall list page
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item_layout: Template for individual list items
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header_layout: Template for page header (None to skip)
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footer_layout: Template for page footer (None to skip)
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**params: Additional parameters for template rendering
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"""
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# header
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if header_layout is None:
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params["header"] = ""
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else:
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header = render(header_layout, **params)
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params["header"] = header
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# footer
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if footer_layout is None:
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params["footer"] = ""
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else:
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footer = render(footer_layout, **params)
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params["footer"] = footer
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# content
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items = []
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for post in posts:
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item_params = dict(params, **post)
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if "comment_count" in item_params and item_params["comment_count"]:
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if item_params["comment_count"] == 1:
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item_params["comment_label"] = "1 commentaire"
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else:
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item_params["comment_label"] = (
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str(item_params["comment_count"]) + " commentaires"
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)
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else:
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item_params["comment_label"] = ""
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item = render(item_layout, **item_params)
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items.append(item)
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params["content"] = "".join(items)
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dst_path = render(dst, **params)
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output = render(list_layout, **params)
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log("Rendering list => {} ...", dst_path)
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fwrite(dst_path, output)
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def create_blog(page_layout, list_in_page_layout, params):
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"""Create blog posts and paginated index pages.
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Args:
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page_layout: Template for individual pages
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list_in_page_layout: Template for list pages wrapped in page layout
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params: Global site parameters
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Returns:
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list: Sorted list of all post dictionaries (newest first)
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"""
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banner_layout = fread("layout/banner.html")
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paging_layout = fread("layout/paging.html")
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post_layout = fread("layout/post.html")
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post_layout = render(page_layout, content=post_layout)
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comment_layout = fread("layout/comment.html")
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comment_detail_layout = fread("layout/comment-detail.html")
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category_layout = fread("layout/category.html")
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item_layout = fread("layout/item.html")
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posts = make_posts(
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"posts",
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"**/*.md",
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"_site/{{ post_url }}/index.html",
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post_layout,
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category_layout,
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comment_layout,
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comment_detail_layout,
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**params
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)
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# Create blog list pages by 10.
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page_size = 10
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chunk_posts = [
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posts[i: i + page_size]
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for i in range(0, len(posts), page_size)
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]
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page = 1
|
|
last_page = len(chunk_posts)
|
|
for chunk in chunk_posts:
|
|
params["page"] = page
|
|
if page == last_page:
|
|
params["next_page"] = ""
|
|
else:
|
|
params["next_page"] = "/page" + str(page + 1) + "/"
|
|
if page == 1:
|
|
params["previous_page"] = ""
|
|
make_list(
|
|
chunk,
|
|
"_site/index.html",
|
|
list_in_page_layout,
|
|
item_layout,
|
|
banner_layout,
|
|
paging_layout,
|
|
**params
|
|
)
|
|
else:
|
|
params["previous_page"] = "/page" + str(page - 1) + "/"
|
|
make_list(
|
|
chunk,
|
|
"_site/page" + str(page) + "/index.html",
|
|
list_in_page_layout,
|
|
item_layout,
|
|
banner_layout,
|
|
paging_layout,
|
|
**params
|
|
)
|
|
page = page + 1
|
|
return posts
|
|
|
|
|
|
def generate_categories(list_in_page_layout, item_nosummary_layout,
|
|
posts, params):
|
|
"""Generate category pages grouping posts by category.
|
|
|
|
Args:
|
|
list_in_page_layout: Template for list pages
|
|
item_nosummary_layout: Template for list items without summaries
|
|
posts: List of all blog posts
|
|
params: Global site parameters
|
|
"""
|
|
category_title_layout = fread("layout/category_title.html")
|
|
cat_post = {}
|
|
for post in posts:
|
|
for cat in post["categories"]:
|
|
if cat in cat_post:
|
|
cat_post[cat].append(post)
|
|
else:
|
|
cat_post[cat] = [post]
|
|
for cat in cat_post.keys():
|
|
params["category"] = cat
|
|
make_list(
|
|
cat_post[cat],
|
|
"_site/" + slugify(cat) + "/index.html",
|
|
list_in_page_layout,
|
|
item_nosummary_layout,
|
|
category_title_layout,
|
|
None,
|
|
**params
|
|
)
|
|
|
|
|
|
def generate_archives(blog_posts, list_in_page_layout, item_nosummary_layout,
|
|
archive_title_layout, params):
|
|
"""Generate archives page with all blog posts.
|
|
|
|
Args:
|
|
blog_posts: List of all blog posts
|
|
list_in_page_layout: Template for list pages
|
|
item_nosummary_layout: Template for list items without summaries
|
|
archive_title_layout: Template for archive page header
|
|
params: Global site parameters
|
|
"""
|
|
make_list(
|
|
blog_posts,
|
|
"_site/archives/index.html",
|
|
list_in_page_layout,
|
|
item_nosummary_layout,
|
|
archive_title_layout,
|
|
None,
|
|
**params
|
|
)
|
|
|
|
|
|
def generate_notes(page_layout, archive_title_layout,
|
|
list_in_page_layout, params):
|
|
"""Generate notes pages and notes index.
|
|
|
|
Args:
|
|
page_layout: Template for individual pages
|
|
archive_title_layout: Template for notes index header
|
|
list_in_page_layout: Template for list pages
|
|
params: Global site parameters
|
|
"""
|
|
note_layout = fread("layout/note.html")
|
|
item_note_layout = fread("layout/item_note.html")
|
|
note_layout = render(page_layout, content=note_layout)
|
|
|
|
notes = make_notes(
|
|
"notes",
|
|
"**/*.md",
|
|
"_site/{{ post_url }}/index.html",
|
|
note_layout,
|
|
**params
|
|
)
|
|
|
|
make_list(
|
|
notes,
|
|
"_site/notes/index.html",
|
|
list_in_page_layout,
|
|
item_note_layout,
|
|
archive_title_layout,
|
|
None,
|
|
**params
|
|
)
|
|
|
|
|
|
def generate_rss_feeds(posts, params):
|
|
"""Generate RSS feeds: main feed and per-tag feeds.
|
|
|
|
Args:
|
|
posts: List of all blog posts
|
|
params: Global site parameters
|
|
"""
|
|
rss_xml = fread("layout/rss.xml")
|
|
rss_item_xml = fread("layout/rss_item.xml")
|
|
|
|
# Create main RSS feed for 10 last entries
|
|
for filename in ("_site/rss.xml", "_site/index.xml"):
|
|
make_list(
|
|
posts[:10],
|
|
filename,
|
|
rss_xml,
|
|
rss_item_xml,
|
|
None,
|
|
None,
|
|
**params
|
|
)
|
|
|
|
# Create RSS feed by tag
|
|
tag_post = {}
|
|
for post in posts:
|
|
for tag in post["tags"]:
|
|
if tag in tag_post:
|
|
tag_post[tag].append(post)
|
|
else:
|
|
tag_post[tag] = [post]
|
|
for tag in tag_post.keys():
|
|
params["tag"] = tag
|
|
make_list(
|
|
tag_post[tag],
|
|
"_site/rss." + slugify(tag) + ".xml",
|
|
rss_xml,
|
|
rss_item_xml,
|
|
None,
|
|
None,
|
|
**params
|
|
)
|
|
|
|
|
|
def generate_sitemap(posts, params):
|
|
"""Generate XML sitemap for all posts.
|
|
|
|
Args:
|
|
posts: List of all blog posts
|
|
params: Global site parameters
|
|
"""
|
|
sitemap_xml = fread("layout/sitemap.xml")
|
|
sitemap_item_xml = fread("layout/sitemap_item.xml")
|
|
make_list(
|
|
posts,
|
|
"_site/sitemap.xml",
|
|
sitemap_xml,
|
|
sitemap_item_xml,
|
|
None,
|
|
None,
|
|
**params
|
|
)
|
|
|
|
|
|
def get_params(param_file):
|
|
"""Load site parameters from JSON file with defaults.
|
|
|
|
Args:
|
|
param_file: Path to JSON parameters file
|
|
|
|
Returns:
|
|
dict: Site parameters with defaults and loaded values
|
|
"""
|
|
# Default parameters.
|
|
params = {
|
|
"title": "Blog",
|
|
"subtitle": "Lorem Ipsum",
|
|
"author": "Admin",
|
|
"site_url": "http://localhost:8000",
|
|
"current_year": datetime.datetime.now().year,
|
|
"stacosys_url": "",
|
|
}
|
|
|
|
log("use params from " + param_file)
|
|
if os.path.isfile(param_file):
|
|
params.update(json.loads(fread(param_file)))
|
|
return params
|
|
|
|
|
|
def rebuild_site_directory():
|
|
"""Remove existing _site directory and recreate from static files."""
|
|
if os.path.isdir("_site"):
|
|
shutil.rmtree("_site")
|
|
shutil.copytree("static", "_site")
|
|
|
|
|
|
def main(param_file):
|
|
"""Main entry point for static site generation.
|
|
|
|
Args:
|
|
param_file: Path to JSON parameters file
|
|
"""
|
|
|
|
params = get_params(param_file)
|
|
|
|
# Create a new _site directory from scratch.
|
|
rebuild_site_directory()
|
|
|
|
# Load layouts.
|
|
page_layout = fread("layout/page.html")
|
|
list_layout = fread("layout/list.html")
|
|
list_in_page_layout = render(page_layout, content=list_layout)
|
|
archive_title_layout = fread("layout/archives.html")
|
|
item_nosummary_layout = fread("layout/item_nosummary.html")
|
|
|
|
blog_posts = create_blog(page_layout, list_in_page_layout, params)
|
|
|
|
generate_categories(list_in_page_layout, item_nosummary_layout,
|
|
blog_posts, params)
|
|
|
|
generate_archives(blog_posts, list_in_page_layout, item_nosummary_layout,
|
|
archive_title_layout, params)
|
|
|
|
generate_notes(page_layout, archive_title_layout,
|
|
list_in_page_layout, params)
|
|
|
|
generate_rss_feeds(blog_posts, params)
|
|
|
|
generate_sitemap(blog_posts, params)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
parser = argparse.ArgumentParser(description='Makesite')
|
|
parser.add_argument('--params', dest='param_file', type=str,
|
|
default="params.json", help='Custom param file')
|
|
args = parser.parse_args()
|
|
main(args.param_file)
|