mirror of
https://git.ari.lt/ari.lt/blog.ari.lt.git
synced 2025-02-04 09:39:25 +01:00
770 lines
21 KiB
Python
Executable file
770 lines
21 KiB
Python
Executable file
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""Manage blogs"""
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import json
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import os
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import random
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import string
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import sys
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from base64 import b64decode, b64encode
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from datetime import datetime
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from glob import iglob
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from html import escape as html_escape
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from shutil import rmtree
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from threading import Thread
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from timeit import default_timer as code_timer
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from typing import Dict, List, Optional, Set, Tuple
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from warnings import filterwarnings as filter_warnings
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from css_html_js_minify import html_minify # type: ignore
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from css_html_js_minify import process_single_css_file
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from markdown import markdown # type: ignore
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from plumbum.commands.processes import ProcessExecutionError # type: ignore
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from pyfzf import FzfPrompt # type: ignore
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NOT_CI_BUILD: bool = not os.getenv("CI")
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if NOT_CI_BUILD:
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import readline
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from atexit import register as fn_register
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EXIT_OK: int = 0
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EXIT_ERR: int = 1
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DEFAULT_CONFIG: Dict = {
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"editor-command": f"{os.environ.get('EDITOR', 'vim')} -- %s",
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"blog-dir": "b",
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"git-url": "/git",
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"py-markdown-extensions": [
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"markdown.extensions.abbr",
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"markdown.extensions.def_list",
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"markdown.extensions.fenced_code",
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"markdown.extensions.footnotes",
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"markdown.extensions.md_in_html",
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"markdown.extensions.tables",
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"markdown.extensions.admonition",
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"markdown.extensions.sane_lists",
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"markdown.extensions.toc",
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"markdown.extensions.wikilinks",
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"pymdownx.betterem",
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"pymdownx.caret",
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"pymdownx.magiclink",
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"pymdownx.mark",
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"pymdownx.tilde",
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],
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"default-keywords": ["website", "blog", "opinion", "article", "ari-web", "ari"],
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"page-title": "Ari::web -> Blog",
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"page-description": "My blog page",
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"colourscheme-type": "dark",
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"short-name": "Ari's blogs",
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"home-keywords": ["ari", "ari-web", "blog", "ari-archer", "foss", "free", "linux"],
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"base-homepage": "https://ari-web.xyz/",
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"meta-icons": [{"src": "/favicon.ico", "sizes": "128x128", "type": "image/png"}],
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"theme-colour": "#f9f6e8",
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"background-colour": "#262220",
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"full-name": "Ari Archer",
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"locale": "en_GB",
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"home-page-header": "My blogs",
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"comment-url": "/c",
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"blogs": {},
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}
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DEFAULT_CONFIG_FILE: str = "blog.json"
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HISTORY_FILE: str = ".blog_history"
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BLOG_VERSION: int = 1
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BLOG_MARKDOWN_TEMPLATE: str = """# %s
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<header role="group" aria-hidden="true">
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<nav id="info-bar" aria-hidden="true" role="menubar">
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<time>%s</time> GMT | <a href="%s">back</a> | <a href="/">home</a> \
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| <a href="%s">git</a> | <a href="%s">comment</a>
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<hr/>
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</nav>
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</header>
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<main>
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%s
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</main>"""
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HTML_HEADER: str = f"""<head>
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<meta charset="UTF-8"/>
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<meta http-equiv="X-UA-Compatible" content="IE=edge"/>
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<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
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<title>{{title}}</title>
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<meta property="og:locale" content="{{locale}}"/>
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<meta name="color-scheme" content="{{theme_type}}"/>
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<meta name="author" content="{{author}}"/>
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<meta name="keywords" content="{{keywords}}"/>
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<meta name="robots" content="follow, index, max-snippet:-1, \
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max-video-preview:-1, max-image-preview:large"/>
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<meta name="generator" \
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content="Ari-web blog generator version {BLOG_VERSION}"/>
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<meta name="color-scheme" content="{{title}}"/>
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<link
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rel="stylesheet"
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href="/content/styles.min.css"
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referrerpolicy="no-referrer"
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type="text/css"
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hreflang="en"
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/>
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"""
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BLOG_HTML_TEMPLATE: str = f"""<!DOCTYPE html>
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<html lang="en">
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{HTML_HEADER}
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<meta name="description" content="{{blog_description}}"/>
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<meta property="og:type" content="article"/>
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</head>
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<body>
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<article id="blog-content">
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{{blog}}
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</article>
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</body>
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</html>"""
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HOME_PAGE_HTML_TEMPLATE: str = f"""<!DOCTYPE html>
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<html lang="en">
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{HTML_HEADER}
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<meta name="description" content="{{home_page_description}}"/>
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<meta property="og:type" content="website"/>
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<link
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rel="manifest"
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href="/manifest.json"
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referrerpolicy="no-referrer"
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type="application/json"
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hreflang="en"
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/>
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</head>
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<body>
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<h1>{{page_header}}</h1>
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<nav id="info-bar" aria-hidden="true" role="menubar">
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<p>last blog on: <time>{{lastest_blog_time}}</time> GMT | \
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latest blog: <a href="{{latest_blog_url}}">{{latest_blog_title}}</a> | \
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<a href="{{git_url}}">git</a></p>
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<hr/>
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</nav>
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<main>
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{{content}}
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</main>
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</body>
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</html>"""
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def log(message: str, header: str = "ERROR", code: int = EXIT_ERR) -> int:
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sys.stderr.write(f"{header}: {message}\n")
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return code
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def yesno(cond: bool) -> str:
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return "Yes" if cond else "No"
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def sanitise_title(title: str, titleset: Dict) -> str:
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_title: str = ""
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for char in title:
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_title += char if char not in string.whitespace + string.punctuation else "-"
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_title = _title.lower()
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return (
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_title
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if _title not in titleset and _title.strip()
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else sanitise_title(_title + random.choice(string.digits), titleset)
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)
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def format_time(timestamp: float) -> str:
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return datetime.fromtimestamp(timestamp).strftime("%Y-%m-%d %H:%M:%S")
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def iinput(prompt: str, default_text: str = "") -> str:
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default_text = default_text.strip()
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def hook():
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if not default_text:
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return
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readline.insert_text(default_text)
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readline.redisplay()
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readline.set_pre_input_hook(hook)
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user_inpt: str = input(f"({prompt}) ").strip()
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readline.set_pre_input_hook()
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return user_inpt
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def yn(prompt: str, default: str = "y", current_value: str = "") -> bool:
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return (
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iinput(
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f"{prompt}? ({'y/n'.replace(default.lower(), default.upper())})",
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current_value,
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)
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+ default
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).lower()[0] == "y"
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def new_config() -> None:
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log("Making new config...", "INFO")
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with open(DEFAULT_CONFIG_FILE, "w") as cfg:
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json.dump(DEFAULT_CONFIG, cfg, indent=4)
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def pick_blog(config: Dict) -> str:
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try:
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blog_id: str = (
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FzfPrompt()
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.prompt(
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map(
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lambda key: f"{key} | {b64decode(config['blogs'][key]['title']).decode()!r}",
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tuple(config["blogs"].keys())[::-1],
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),
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"--prompt='Pick blog: '",
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)[0]
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.split()[0]
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)
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except ProcessExecutionError:
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log("Fzf process exited unexpectedly")
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return ""
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if blog_id not in config["blogs"]:
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log(f"Blog {blog_id!r} does not exist")
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return ""
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return blog_id
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def new_blog(config: Dict) -> Tuple[int, Dict]:
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"""Make a new blog"""
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if title := iinput("blog title"):
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readline.add_history(title)
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us_title: str = title
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s_title: str = sanitise_title(us_title, config["blogs"])
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blog = {
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"title": b64encode(us_title.encode()).decode(),
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"content": "",
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"version": BLOG_VERSION,
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"time": 0.0,
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"keywords": "",
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"minimise": True,
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}
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file: str = f"/tmp/{s_title}.md"
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open(file, "w").close()
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os.system(config["editor-command"] % file)
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if not os.path.isfile(file):
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return log(f"{file!r} does not exist"), config
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with open(file, "r") as md:
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blog["content"] = b64encode(md.read().encode()).decode()
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os.remove(file)
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if not blog["content"].strip(): # type: ignore
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return log("Blog cannot be empty"), config
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user_keywords: str = iinput("keywords (seperated by spaces)")
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readline.add_history(user_keywords)
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blog["keywords"] = html_escape(user_keywords)
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blog["minimise"] = yn("Minimise blog")
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blog["hidden"] = yn("Hide blog", "n")
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blog["time"] = datetime.now().timestamp()
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config["blogs"][s_title] = blog
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return EXIT_OK, config
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def build(config: Dict) -> Tuple[int, Dict]:
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"""Build, minimise and generate site"""
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latest_blog_id: Optional[str] = next(
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filter(
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lambda bid: bid if not config["blogs"][bid]["hidden"] else None,
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tuple(config["blogs"].keys())[::-1],
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),
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None,
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)
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if not config["blogs"] or latest_blog_id is None:
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return log("Cannot build no blogs"), config
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if os.path.isdir(config["blog-dir"]):
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rmtree(config["blog-dir"])
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os.makedirs(config["blog-dir"], exist_ok=True)
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log("Minifying CSS...", "MINIFY")
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def build_css() -> None:
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saved_stdout = sys.stdout
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sys.stdout = open(os.devnull, "w")
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if os.path.isfile("content/styles.css"):
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process_single_css_file("content/styles.css")
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sys.stdout.close()
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sys.stdout = saved_stdout
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log("Done minifying CSS", "MINIFY")
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Thread(target=build_css, daemon=True).start()
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log("Building blogs...", "INFO")
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def thread(blog_id: str, blog_meta: Dict):
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if blog_meta["version"] != BLOG_VERSION:
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log(
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f"{blog_id}: unmatching version between \
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{blog_meta['version']} and {BLOG_VERSION}",
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"WARNING",
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)
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blog_dir: str = os.path.join(config["blog-dir"], blog_id)
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os.makedirs(blog_dir, exist_ok=True)
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with open(os.path.join(blog_dir, "index.html"), "w") as blog_html:
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blog_time: str = format_time(blog_meta["time"])
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blog_title: str = html_escape(b64decode(blog_meta["title"]).decode())
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blog_base_html: str = markdown(
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BLOG_MARKDOWN_TEMPLATE
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% (
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blog_title,
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blog_time,
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config["base-homepage"],
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config["git-url"],
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config["comment-url"],
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markdown(b64decode(blog_meta["content"]).decode())
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.replace("<h1>", "<h2>")
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.replace("<h1/>", "<h2/>"),
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),
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extensions=config["py-markdown-extensions"],
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)
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blog_html_full: str = BLOG_HTML_TEMPLATE.format(
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title=config["page-title"],
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theme_type=config["colourscheme-type"],
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keywords=blog_meta["keywords"].replace(" ", ", ")
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+ ", "
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+ ", ".join(config["default-keywords"]),
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blog_description=f"Blog on {blog_time} GMT -- {blog_title}",
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blog=blog_base_html,
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author=config["full-name"],
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locale=config["locale"],
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)
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if blog_meta["minimise"]:
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log(f"Minifying {blog_id!r} HTML", "MINIFY")
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blog_html_full = html_minify(blog_html_full)
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log(f"Done minifying the HTML of {blog_id!r}", "MINIFY")
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blog_html.write(blog_html_full)
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log(f"Finished building blog {blog_id!r}", "BUILD")
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_tmp_threads: List[Thread] = []
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for blog_id, blog_meta in config["blogs"].items():
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if blog_meta["hidden"]:
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log(f"Hidden blog: {blog_id!r}", "HIDE")
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continue
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t: Thread = Thread(target=thread, args=(blog_id, blog_meta), daemon=True)
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t.start()
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_tmp_threads.append(t)
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for awaiting_thread in _tmp_threads:
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awaiting_thread.join()
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log("Building blog index...", "INFO")
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with open("index.html", "w") as index:
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lastest_blog: Dict = config["blogs"][latest_blog_id]
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lastest_blog_time: str = format_time(lastest_blog["time"])
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blog_list = "<ul>"
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for blog_id, blog_meta in reversed(config["blogs"].items()):
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blog_list += "<li>"
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if blog_meta["hidden"]:
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blog_list += "<i>Blog hidden by the owner</i>"
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continue
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blog_list += f'<a href="{os.path.join(config["blog-dir"], blog_id)}">{html_escape(b64decode(blog_meta["title"]).decode())}</a>'
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blog_list += "</li>"
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blog_list += "</ul>"
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index.write(
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html_minify(
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HOME_PAGE_HTML_TEMPLATE.format(
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title=config["page-title"],
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theme_type=config["colourscheme-type"],
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keywords=", ".join(config["home-keywords"])
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+ ", "
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+ ", ".join(config["default-keywords"]),
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home_page_description=config["page-description"],
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lastest_blog_time=lastest_blog_time,
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latest_blog_url=os.path.join(config["blog-dir"], latest_blog_id),
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latest_blog_title=b64decode(
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html_escape(lastest_blog["title"])
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).decode()[:20]
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+ "...",
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git_url=config["git-url"],
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content=blog_list,
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author=config["full-name"],
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locale=config["locale"],
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page_header=config["home-page-header"],
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)
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)
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)
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return EXIT_OK, config
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def list_blogs(config: Dict) -> Tuple[int, Dict]:
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"""List blogs"""
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if not config["blogs"]:
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return log("No blogs to list"), config
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for blog_id, blog_meta in config["blogs"].items():
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print(
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f"""ID: {blog_id}
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Title: {b64decode(blog_meta["title"]).decode()!r}
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Version: {blog_meta["version"]}
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Time_of_creation: {format_time(blog_meta["time"])}
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Keywords: {blog_meta['keywords'].replace(" ", ", ")}
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Minimise: {yesno(blog_meta["minimise"])}
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Hidden: {yesno(blog_meta["hidden"])}
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"""
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)
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return EXIT_OK, config
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def remove_blog(config: Dict) -> Tuple[int, Dict]:
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"""Remove a blog page"""
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if not config["blogs"]:
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return log("No blogs to remove"), config
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blog_id: str = pick_blog(config)
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if not blog_id:
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return EXIT_ERR, config
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del config["blogs"][blog_id]
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return EXIT_OK, config
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def dummy() -> None:
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"""Print help/usage information"""
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def edit_title(blog: str, config: Dict) -> int:
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new_title: str = iinput(
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"edit title", b64decode(config["blogs"][blog]["title"]).decode()
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)
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if not new_title.strip():
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return log("New title cannot be empty")
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old_blog: dict = config["blogs"][blog].copy()
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old_blog["title"] = b64encode(new_title.encode()).decode()
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del config["blogs"][blog]
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config["blogs"][sanitise_title(new_title, config["blogs"])] = old_blog
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del old_blog
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return EXIT_OK
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def edit_keywords(blog: str, config: Dict) -> int:
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new_keywords: str = iinput("edit keywords", config["blogs"][blog]["keywords"])
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if not new_keywords.strip():
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return log("Keywords cannot be empty")
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config["blogs"][blog]["keywords"] = new_keywords
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return EXIT_OK
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def edit_content(blog: str, config: Dict) -> int:
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file: str = f"/tmp/{blog}.md"
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with open(file, "w") as blog_md:
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blog_md.write(b64decode(config["blogs"][blog]["content"]).decode())
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os.system(config["editor-command"] % (file))
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with open(file, "r") as blog_md_new:
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content: str = blog_md_new.read()
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if not content.strip():
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blog_md_new.close()
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return log("Content of a blog cannot be empty")
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config["blogs"][blog]["content"] = b64encode(content.encode()).decode()
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return EXIT_OK
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def edit_minimise(blog: str, config: Dict) -> int:
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minimise: bool = config["blogs"][blog]["minimise"]
|
|
str_minimise: str = "y" if minimise else "n"
|
|
|
|
config["blogs"][blog]["minimise"] = yn(
|
|
"Minimise this blog's HTML", str_minimise, str_minimise
|
|
)
|
|
|
|
return EXIT_OK
|
|
|
|
|
|
def edit_hidden(blog: str, config: Dict) -> int:
|
|
hidden: bool = config["blogs"][blog]["hidden"]
|
|
str_hidden: str = "y" if hidden else "n"
|
|
|
|
config["blogs"][blog]["hidden"] = yn("Hide this blog", str_hidden, str_hidden)
|
|
|
|
return EXIT_OK
|
|
|
|
|
|
EDIT_HOOKS: Dict = {
|
|
"quit": lambda *_: EXIT_OK,
|
|
"title": edit_title,
|
|
"keywords": edit_keywords,
|
|
"content": edit_content,
|
|
"minimise": edit_minimise,
|
|
"hidden": edit_hidden,
|
|
}
|
|
|
|
|
|
def edit(config: Dict) -> Tuple[int, Dict]:
|
|
"""Edit a blog"""
|
|
|
|
if not config["blogs"]:
|
|
return log("No blogs to edit"), config
|
|
|
|
blog_id: str = pick_blog(config)
|
|
|
|
if not blog_id:
|
|
return EXIT_ERR, config
|
|
|
|
try:
|
|
hook: str = FzfPrompt().prompt(EDIT_HOOKS.keys(), "--prompt='What to edit: '")[
|
|
0
|
|
]
|
|
|
|
if hook not in EDIT_HOOKS:
|
|
return log(f"Hook {hook!r} does not exist"), config
|
|
|
|
EDIT_HOOKS[hook](blog_id, config)
|
|
except ProcessExecutionError:
|
|
return log("No blog selected"), config
|
|
|
|
return EXIT_OK, config
|
|
|
|
|
|
def gen_def_config(config: Dict) -> Tuple[int, Dict]:
|
|
"""Generate default config"""
|
|
|
|
if os.path.exists(DEFAULT_CONFIG_FILE):
|
|
if iinput("Do you want to overwite config? (y/n)").lower()[0] != "y":
|
|
return log("Not overwritting config", "INFO", EXIT_OK), config
|
|
|
|
new_config()
|
|
|
|
with open(DEFAULT_CONFIG_FILE, "r") as cfg:
|
|
config = json.load(cfg)
|
|
|
|
return EXIT_OK, config
|
|
|
|
|
|
def clean(config: Dict) -> Tuple[int, Dict]:
|
|
"""Clean up current directory"""
|
|
|
|
TRASH: Set[str] = {
|
|
HISTORY_FILE,
|
|
config["blog-dir"],
|
|
"index.html",
|
|
"content/*.min.*",
|
|
"*.hash",
|
|
"manifest.json",
|
|
}
|
|
|
|
def remove(file: str) -> None:
|
|
log(f"Removing {file!r}", "REMOVE")
|
|
|
|
try:
|
|
os.remove(file)
|
|
except IsADirectoryError:
|
|
rmtree(file)
|
|
|
|
for glob_ex in TRASH:
|
|
for file in iglob(glob_ex, recursive=True):
|
|
remove(file)
|
|
|
|
open(HISTORY_FILE, "w").close()
|
|
|
|
return EXIT_OK, config
|
|
|
|
|
|
def generate_metadata(config: Dict) -> Tuple[int, Dict]:
|
|
"""Generate metadata"""
|
|
|
|
with open("manifest.json", "w") as manifest:
|
|
log(f"Generating {manifest.name}...", "GENERATE")
|
|
json.dump(
|
|
{
|
|
"$schema": "https://json.schemastore.org/web-manifest-combined.json",
|
|
"short_name": config["short-name"],
|
|
"name": config["page-title"],
|
|
"description": config["page-description"],
|
|
"icons": config["meta-icons"],
|
|
"start_url": ".",
|
|
"display": "standalone",
|
|
"theme_color": config["theme-colour"],
|
|
"background_color": config["background-colour"],
|
|
},
|
|
manifest,
|
|
)
|
|
|
|
return EXIT_OK, config
|
|
|
|
|
|
def generate_static_full(config: Dict) -> Tuple[int, Dict]:
|
|
"""Generate full static site"""
|
|
|
|
BUILD_CFG: Dict = {
|
|
"Cleaning up": clean,
|
|
"Building static site": build,
|
|
"Generating metatata": generate_metadata,
|
|
}
|
|
|
|
for logger_msg, function in BUILD_CFG.items():
|
|
log(f"{logger_msg}...", "STATIC")
|
|
code, config = function(config)
|
|
|
|
if code != EXIT_OK:
|
|
log("Failed to generate static site")
|
|
return EXIT_ERR, config
|
|
|
|
return EXIT_OK, config
|
|
|
|
|
|
SUBCOMMANDS: Dict = {
|
|
"help": dummy,
|
|
"new": new_blog,
|
|
"build": build,
|
|
"ls": list_blogs,
|
|
"rm": remove_blog,
|
|
"edit": edit,
|
|
"defcfg": gen_def_config,
|
|
"clean": clean,
|
|
"metadata": generate_metadata,
|
|
"static": generate_static_full,
|
|
}
|
|
|
|
|
|
def usage(code: int = EXIT_ERR, config: Dict = None) -> int:
|
|
sys.stderr.write(f"Usage: {sys.argv[0]} <subcommand>\n")
|
|
|
|
for subcommand, func in SUBCOMMANDS.items():
|
|
sys.stderr.write(f" {subcommand:20s}{func.__doc__ or ''}\n")
|
|
|
|
return code
|
|
|
|
|
|
def main() -> int:
|
|
"""Entry/main function"""
|
|
|
|
if NOT_CI_BUILD:
|
|
if not os.path.isfile(HISTORY_FILE):
|
|
open(HISTORY_FILE, "w").close()
|
|
|
|
readline.parse_and_bind("tab: complete")
|
|
|
|
fn_register(readline.write_history_file, HISTORY_FILE)
|
|
fn_register(readline.read_history_file, HISTORY_FILE)
|
|
|
|
readline.read_history_file(HISTORY_FILE)
|
|
readline.set_history_length(5000)
|
|
|
|
readline.set_auto_history(False)
|
|
|
|
if not os.path.isfile(DEFAULT_CONFIG_FILE):
|
|
new_config()
|
|
log(f"PLease configure {DEFAULT_CONFIG_FILE!r}")
|
|
return EXIT_ERR
|
|
|
|
if len(sys.argv) != 2:
|
|
return usage()
|
|
elif sys.argv[1] not in SUBCOMMANDS:
|
|
return log(f"{sys.argv[1]!r} is not a subcommand, try `{sys.argv[0]} help`")
|
|
elif sys.argv[1] == "help":
|
|
return usage(EXIT_OK)
|
|
|
|
with open(DEFAULT_CONFIG_FILE, "r") as lcfg:
|
|
cmd_time_init = code_timer()
|
|
|
|
code, config = SUBCOMMANDS[sys.argv[1]](config=json.load(lcfg))
|
|
|
|
log(
|
|
f"Finished in {code_timer() - cmd_time_init} seconds with code {code}",
|
|
"TIME",
|
|
)
|
|
|
|
if config["blogs"] and NOT_CI_BUILD:
|
|
log("Sorting blogs by creation time...", "CLEANUP")
|
|
|
|
sort_timer = code_timer()
|
|
|
|
config["blogs"] = dict(
|
|
map(
|
|
lambda k: (k, config["blogs"][k]),
|
|
sorted(config["blogs"], key=lambda k: config["blogs"][k]["time"]),
|
|
)
|
|
)
|
|
|
|
log(f"Sorted in {code_timer() - sort_timer} seconds", "TIME")
|
|
|
|
log("Redumping config", "CONFIG")
|
|
|
|
dump_timer = code_timer()
|
|
|
|
with open(DEFAULT_CONFIG_FILE, "w") as dcfg:
|
|
json.dump(config, dcfg, indent=(4 if NOT_CI_BUILD else None))
|
|
|
|
log(f"Dumped config in {code_timer() - dump_timer} seconds", "TIME")
|
|
|
|
return code
|
|
|
|
return EXIT_OK
|
|
|
|
|
|
if __name__ == "__main__":
|
|
assert main.__annotations__.get("return") is int, "main() should return an integer"
|
|
|
|
filter_warnings("error", category=Warning)
|
|
sys.exit(main())
|