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import os
from copy import deepcopy
from operator import itemgetter
from configparser import ConfigParser
from logging import Logger, getLogger
from jinja2 import Environment, Template, FileSystemLoader as FSLoader
from .utils import get_file_list, get_dir_structure, create_dir, copy_file
from .database import Database
from .md_parser import MDParser
from .page import Page
log: Logger = getLogger(__name__)
class Builder:
def __init__(self, config: ConfigParser,
db: Database):
log.debug('initializing site builder')
self.config: ConfigParser = config
self.db: Database = db
# the autoescape option could be a security risk if used in a dynamic
# website, as far as i can tell
log.debug('initializing the jinja environment')
self.__loader: FSLoader = FSLoader(self.config.get('path', 'plt'))
self.env: Environment = Environment(loader=self.__loader,
autoescape=False,
trim_blocks=True,
lstrip_blocks=True)
self.dirs: list[str] = None
self.md_files: list[str] = None
self.html_files: list[str] = None
# files and pages are synoyms
self.all_files: list[Page] = None
self.updated_files: list[Page] = None
self.all_tags: list[str] = None
self.common_vars: dict = None
def build(self) -> None:
log.debug('building site')
self.dirs = get_dir_structure(self.config.get('path', 'src'),
['templates'])
self.md_files = get_file_list(self.config.get('path', 'src'),
['.md'],
['templates'])
self.html_files = get_file_list(self.config.get('path', 'src'),
['.html'],
['templates'])
self.__create_dir_structure()
self.__copy_html_files()
parser: MDParser = MDParser(self.md_files,
self.config,
self.db)
parser.parse_files()
# just so i don't have to pass these vars to all the functions
self.all_files = parser.all_files
self.updated_files = parser.updated_files
self.all_tags = parser.all_tags
# dict for the keyword args to pass to the template renderer
log.debug('adding config, all_pages and all_tags to exposed vars for jinja')
self.common_vars = dict(config=self.config,
all_pages=self.all_files,
all_tags=self.all_tags)
self.__render_articles()
self.__render_tags()
self.__render_template('index.html', 'index.html', **self.common_vars)
self.__render_template('rss.xml', 'rss.xml', **self.common_vars)
self.__render_template('sitemap.xml', 'sitemap.xml', **self.common_vars)
def __create_dir_structure(self) -> None:
log.debug('creating dir structure')
dir_path: str = None
for d in self.dirs:
dir_path = os.path.join(self.config.get('path', 'dst'), d)
create_dir(dir_path, True)
def __copy_html_files(self) -> None:
if len(self.html_files) > 0:
log.debug('copying all html files')
else:
log.debug('no html files to copy')
src_file: str = None
dst_file: str = None
for f in self.html_files:
src_file = os.path.join(self.config.get('path', 'src'), f)
dst_file = os.path.join(self.config.get('path', 'dst'), f)
# only copy files if they have been modified (or are new)
if self.db.update(src_file, remove=f'{self.config.get("path", "src")}/'):
log.debug('file "%s" has been modified or is new, copying', f)
copy_file(src_file, dst_file)
else:
if self.config.getboolean('other', 'force'):
log.debug('file "%s" hasn\'t been modified, but option force is set to true, copying anyways', f)
copy_file(src_file, dst_file)
else:
log.debug('file "%s" hasn\'t been modified, ignoring', f)
def __render_articles(self) -> None:
log.debug('rendering html')
article_vars: dict = deepcopy(self.common_vars)
temp_files: list[Page] = None
# check if only updated should be created
if self.config.getboolean('other', 'force'):
log.debug('all html will be rendered, force is set to true')
temp_files = self.all_files
else:
log.debug('only updated or new html will be rendered')
temp_files = self.updated_files
for p in temp_files:
log.debug('adding page to exposed vars for jinja')
article_vars['page'] = p
# actually render article
self.__render_template("page.html",
p.name.replace('.md','.html'),
**article_vars)
def __render_tags(self) -> None:
log.debug('rendering tags')
tag_vars: dict = deepcopy(self.common_vars)
tag_pages: list[Page] = None
for t in self.all_tags:
log.debug('rendering tag "%s"', t[0])
# clean tag_pages
tag_pages = []
log.debug('adding all pages that contain current tag')
for p in self.all_files:
if p.tags is not None and t[0] in list(map(itemgetter(0),
p.tags)):
log.debug('adding page "%s" as it contains tag "%s"',
p.name, t[0])
tag_pages.append(p)
log.debug('adding tag and tag_pages to exposed vars for jinja')
tag_vars['tag'] = t
tag_vars['tag_pages'] = tag_pages
# actually render tag page
self.__render_template('tag.html',
f'tag/@{t[0]}.html',
**tag_vars)
def __render_template(self, template_name: str,
file_name: str,
**template_vars) -> None:
log.debug('rendering html "%s" with template "%s"',
file_name, template_name)
template: Template = self.env.get_template(template_name)
content: str = template.render(**template_vars)
dst_path: str = os.path.join(self.config.get('path', 'dst'), file_name)
log.debug('writing html file to path "%s"', dst_path)
with open(dst_path, 'w') as f:
f.write(content)
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