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generate.py
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generate.py
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#!/usr/bin/python
# -*- coding:utf-8 -*-
"""Documentation"""
import codecs
from datetime import datetime
import json
import os
import shutil
import sys
from jinja2 import Environment, FileSystemLoader
from markdown import Markdown
import pypinyin
# 静态文件路径，默认为`/static/`
# 表示使用flask发布网站时的`http://ip:port/static/`目录
# 也可指定为固定地址的静态文件url，例如："http://192.168.62.47:5000/static/"
# 注意，使用其他域名的静态文件时有可能引起跨域问题
STATIC_ROOT = "/"
# Markdown文件读取目录
INPUT_CONTENT = "./in/"
# 数据目录
DIR_DATA = "./static/data/"
# html生成输出目录
DIR_STATIC = "./static/"
DIR_PAGES = DIR_STATIC + "pages/"
DIR_ARTICLES = DIR_PAGES + "articles/"
DIR_TAGS = DIR_PAGES + "tags/"
env = Environment(
loader=FileSystemLoader("templates")
)
PY_VERSION = "3" if sys.version >= "3" else "2"
# 标签倒排索引
TAG_INVERTED_INDEX = {}
# 作者倒排索引
AUTHOR_INVERTED_INDEX = {}
# 文章索引
ARTICLE_INDEX = {}
_MD_FILES = []
_current_file_index = None
_pinyin_names = set()
TAG_HTML_TEMPLATE = u"<a href='/pages/tags/{tag}.html' class='tag-index'>{tag}</a>"
AUTHOR_HTML_TEMPLATE = u"<a href='' class='tag-index'>{author}</a>"
TITLE_HTML_TEMPLATE = u"<div class='sidebar-module-inset'><h5 class='sidebar-title'><i class='icon-circle-blank side-icon'></i>标题</h5><p>{title_str}</p></div>"
def _reload_global():
global TAG_INVERTED_INDEX, AUTHOR_INVERTED_INDEX, ARTICLE_INDEX, \
_MD_FILES, _current_file_index, _pinyin_names
TAG_INVERTED_INDEX = {}
AUTHOR_INVERTED_INDEX = {}
ARTICLE_INDEX = {}
_MD_FILES = []
_current_file_index = None
_pinyin_names = set()
def clean():
"""清理输出文件夹
"""
if os.path.exists(DIR_PAGES):
shutil.rmtree(DIR_PAGES)
if os.path.exists(DIR_DATA):
shutil.rmtree(DIR_DATA)
def parse_time(timestamp, pattern="%Y-%m-%d %H:%M:%S"):
"""解析时间
"""
return datetime.fromtimestamp(timestamp).strftime(pattern)
def str2pinyin(hans, style=pypinyin.FIRST_LETTER):
"""字符串转拼音，默认只获取首字母
"""
pinyin_str = pypinyin.slug(hans, style=style, separator="")
num = 2
while pinyin_str in _pinyin_names:
pinyin_str += str(num)
num += 1
return pinyin_str
def dump_index():
"""持久化索引信息
"""
if not os.path.exists(DIR_DATA):
os.makedirs(DIR_DATA)
with open(DIR_DATA + "articles.json", 'w+', encoding='utf-8') as f:
json.dump(ARTICLE_INDEX, f)
with open(DIR_DATA + "tags.json", 'w+', encoding='utf-8') as f:
json.dump(TAG_INVERTED_INDEX, f)
with open(DIR_DATA + "authors.json", 'w+', encoding='utf-8') as f:
json.dump(AUTHOR_INVERTED_INDEX, f)
def index_tags(tags, fid):
"""为标签倒排索引添加标签
"""
for tag in tags:
if tag in TAG_INVERTED_INDEX:
TAG_INVERTED_INDEX[tag].append(fid)
else:
TAG_INVERTED_INDEX[tag] = [fid]
def index_authors(authors, fid):
"""为作者倒排索引添加作者
"""
for author in authors:
if author in AUTHOR_INVERTED_INDEX:
AUTHOR_INVERTED_INDEX[author].append(fid)
else:
AUTHOR_INVERTED_INDEX[author] = [fid]
def decode_str(str_):
return codecs.decode(str_, "gb2312") if PY_VERSION == "2" else str_
def create_index(filename, meta):
"""创建索引信息
:param filename: 文件从INPUT_CONTENT开始的全路径
:param meta:
:type meta: dict
:return:
"""
filename = decode_str(filename)
index_tags(meta.get("tags", []), _current_file_index)
index_authors(meta.get("authors", []), _current_file_index)
title = meta.get("title", [""])[0]
if title == "":
title = os.path.splitext(os.path.basename(filename))[0]
publish_dates = meta.get("publish_date", [])
if len(publish_dates) == 0:
publish_date = parse_time(os.path.getctime(filename), "%Y-%m-%d")
else:
publish_date = publish_dates[0]
ARTICLE_INDEX[_current_file_index] = {
"filename": filename,
"modify_time": parse_time(os.path.getmtime(filename)),
"title": title,
"summary": meta.get("summary", [u""])[0],
"authors": meta.get("authors", [u"匿名"]),
"publish_date": publish_date,
"tags": meta.get("tags", [])
}
def get_out_dir(md_file):
"""获取md文件的输出路径
:param md_file:
:return:
"""
return os.path.join(DIR_ARTICLES, _current_file_index + ".html")
def save_html(out_path, html):
"""保存html至文件
:param out_path:
:param html:
:return:
"""
base_folder = os.path.dirname(out_path)
if not os.path.exists(base_folder):
os.makedirs(base_folder)
with codecs.open(out_path, "w+", "utf-8") as f:
f.write(html)
def render_tags_html(tags):
"""渲染tags的html
"""
tags_html = ""
for tag in tags:
tags_html += TAG_HTML_TEMPLATE.format(tag=tag)
return tags_html
def render_authors_html(authors):
"""渲染作者html
"""
authors_html = ""
for author in authors:
authors_html += AUTHOR_HTML_TEMPLATE.format(author=author)
return authors_html
def render_title_html(title):
"""渲染标题html
"""
title_html = ""
if title.strip() != "":
title_html = TITLE_HTML_TEMPLATE.format(title_str=title)
return title_html
def render(md_file):
"""渲染html页面
:param md_file:
:return:
"""
with codecs.open(md_file, "r", "utf-8") as f:
text = f.read()
md = Markdown(
extensions=[
"fenced_code",
"codehilite",
"meta",
"admonition",
"tables",
"toc",
"wikilinks",
],
extension_configs={
"codehilite": {
"css_class": "highlight",
"linenums": None,
}
}
)
html = md.convert(text)
meta = md.Meta if hasattr(md, "Meta") else {}
toc = md.toc if hasattr(md, "toc") else ""
create_index(md_file, meta)
template = env.get_template("base_article.html")
text = template.render(
blog_content=html,
static_root=STATIC_ROOT,
title=ARTICLE_INDEX[_current_file_index].get("title"),
title_html=render_title_html(
ARTICLE_INDEX[_current_file_index].get("title")),
summary=ARTICLE_INDEX[_current_file_index].get("summary", ""),
authors=render_authors_html(
ARTICLE_INDEX[_current_file_index].get("authors")),
tags=render_tags_html(
ARTICLE_INDEX[_current_file_index].get("tags")),
toc=toc,
)
return text
def gen(md_file_path):
"""将markdown生成html文件
:param md_file_path:
"""
out_path = get_out_dir(md_file_path)
html = render(md_file_path)
save_html(out_path, html)
def scan_md():
"""扫描md文件
"""
global _current_file_index
for f in _MD_FILES:
file_base_name = os.path.splitext(os.path.basename(f))[0]
_current_file_index = str2pinyin(
decode_str(file_base_name)
)
_pinyin_names.add(_current_file_index)
gen(f)
def load_md_files(folder):
"""从指定文件夹载入Markdown文件
"""
global _MD_FILES
for root, dirs, files in os.walk(folder):
for f in files:
if os.path.splitext(f)[1].lower() == ".md":
_MD_FILES.append(os.path.join(root, f))
def generate():
_reload_global()
clean()
load_md_files(INPUT_CONTENT)
scan_md()
render_pages()
dump_index()
def render_index():
"""渲染 页面-首页
"""
template = env.get_template("index.html")
text = template.render(
static_root=STATIC_ROOT
)
save_html(DIR_STATIC + "index.html", text)
def render_articles():
"""渲染 页面-全部文章列表
"""
template = env.get_template("articles.html")
text = template.render(
static_root=STATIC_ROOT
)
save_html(DIR_PAGES + "articles.html", text)
def render_tags():
"""渲染 页面-全部标签
"""
template = env.get_template("tags.html")
text = template.render(
static_root=STATIC_ROOT
)
save_html(DIR_PAGES + "tags.html", text)
def render_articles_by_tag():
"""渲染 页面-指定标签的文章列表
"""
for tag in TAG_INVERTED_INDEX:
template = env.get_template("articles_by_tag.html")
text = template.render(
tag=tag,
static_root=STATIC_ROOT
)
save_html(DIR_TAGS + tag + ".html", text)
def render_pages():
"""渲染基础页面
"""
render_index()
render_articles()
render_tags()
render_articles_by_tag()
if __name__ == "__main__":
# TODO: 添加使用命令行方式：生成、清理、启动
generate()
pass