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import os
import sys
import pprint
from copy import deepcopy
from operator import itemgetter
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: dict,
db: Database,
dir_path: str) -> None:
log.debug('initializing site builder')
self.config: dict = config
self.db: Database = db
self.dir_path: str = dir_path
if self.dir_path not in self.config['dirs']:
log.error('couldn\'t find "dirs.%s" attribute in config file', self.dir_path)
sys.exit(1)
if os.path.isabs(self.dir_path) and self.dir_path.strip() != '/':
log.error('dir path "%s" cannot be absolute, except for the special case "/"', self.dir_path)
sys.exit(1)
log.debug('building dir_cfg for "%s" dir_path', self.dir_path)
self.dir_cfg: dict = deepcopy(self.config['dirs'][self.dir_path]['cfg'])
if self.dir_path.strip() == '/':
log.debug('dir_path is "/", copying src/dst directly')
self.dir_cfg['src'] = self.config['path']['src']
self.dir_cfg['dst'] = self.config['path']['dst']
self.dir_cfg['url'] = self.config['url']['main']
else:
log.debug('dir_path is "%s", generating', self.dir_path)
self.dir_cfg['src'] = os.path.join(self.config['path']['src'], self.dir_path)
self.dir_cfg['dst'] = os.path.join(self.config['path']['dst'], self.dir_path)
self.dir_cfg['url'] = f'{self.config["url"]["main"]}/{self.dir_path}'
# 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.env: Environment = Environment(loader=FSLoader(self.config['path']['plt']),
autoescape=False,
trim_blocks=True,
lstrip_blocks=True)
self.dirs: list[str]
self.md_files: list[str]
self.html_files: list[str]
# files and pages are synoyms
# TODO: include updated_tags when when implemented
self.all_files: list[Page]
self.updated_files: list[Page]
self.all_tags: list[tuple[str, str]]
self.common_vars: dict
def build(self) -> None:
log.debug('building site for dir path "%s"', self.dir_path)
if 'exclude_dirs' not in self.dir_cfg:
log.debug('"exclude_dirs" field not found in "dirs.%s.cfg"', self.dir_path)
self.dir_cfg['exclude_dirs'] = []
if not isinstance(self.dir_cfg['exclude_dirs'], list):
log.error('"exclude_dirs" field in "dirs.%s.cfg" isn\'t of type "list"', self.dir_path)
sys.exit(1)
self.dirs = get_dir_structure(self.dir_cfg['src'],
self.dir_cfg['exclude_dirs'])
self.md_files = get_file_list(self.dir_cfg['src'],
tuple('.md'),
self.dir_cfg['exclude_dirs'])
self.html_files = get_file_list(self.dir_cfg['src'],
tuple('.html'),
self.dir_cfg['exclude_dirs'])
self.__create_dir_structure()
self.__copy_html_files()
# TODO: check if need to pass dirs.dir_path.files
parser: MDParser = MDParser(self.md_files,
self.config,
self.dir_cfg,
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
# TODO: check if need to pass dirs.dir_path.files
# dict for the keyword args to pass to the template renderer
log.debug('adding exposed vars for jinja')
self.common_vars = dict(config=self.config,
dir_config=self.dir_cfg,
all_pages=self.all_files,
all_tags=self.all_tags)
self.__render_pages(self.dir_cfg['plt'])
if self.dir_cfg['tags']:
log.debug('rendering tags for dir_path "%s"', self.dir_path)
create_dir(os.path.join(self.dir_cfg['dst'], 'tag'), True, True)
if isinstance(self.dir_cfg['tags'], str):
self.__render_tags(self.dir_cfg['tags'])
else:
self.__render_tags('tag.html')
default_plts: dict[str, str] = {'index': 'index.html',
'rss': 'rss.xml',
'sitemap': 'sitemap.xml'}
for opt in default_plts.keys():
if self.dir_cfg[opt]:
if isinstance(self.dir_cfg[opt], str):
self.__render_template(self.dir_cfg[opt],
default_plts[opt],
**self.common_vars)
else:
self.__render_template(default_plts[opt],
default_plts[opt],
**self.common_vars)
def __create_dir_structure(self) -> None:
log.debug('creating dir structure for dir_path "%s"', self.dir_path)
create_dir(self.dir_cfg['dst'], True, True)
for d in self.dirs:
path: str = os.path.join(self.dir_cfg['dst'], d)
create_dir(path, True, True)
def __copy_html_files(self) -> None:
if not len(self.html_files) > 0:
log.debug('no html files to copy')
return
log.debug('copying all html files')
src_file: str
dst_file: str
for file in self.html_files:
src_file = os.path.join(self.dir_cfg['src'], file)
dst_file = os.path.join(self.dir_cfg['dst'], file)
# always copy on force
if self.config['info']['force']:
log.debug('copying "%s"; forced', file)
copy_file(src_file, dst_file)
continue
# only copy files if they have been modified (or are new)
if self.db.update(src_file, remove=f'{self.dir_cfg["src"]}/'):
log.debug('copying "%s"; has been modified or is new', file)
copy_file(src_file, dst_file)
continue
log.debug('ignoring "%s"; hasn\'t been modified, not forced', file)
def __render_pages(self, template_name: str) -> None:
log.debug('rendering pages with template "%s"', template_name)
page_vars: dict = deepcopy(self.common_vars)
temp_pages: list[Page]
# check if only updated should be created
if self.config['info']['force']:
log.debug('all html will be rendered, force is set to true')
temp_pages = self.all_files
else:
log.debug('only updated or new html will be rendered')
temp_pages = self.updated_files
for p in temp_pages:
p_fname: str = p.name.replace('.md', '.html')
log.debug('adding page "%s" to exposed vars for jinja', p_fname)
page_vars['page'] = p
# actually render article
self.__render_template(template_name, p_fname, **page_vars)
def __render_tags(self, template_name: str) -> None:
log.debug('rendering tags with template "%s"', template_name)
tag_vars: dict = deepcopy(self.common_vars)
tag_pages: list[Page]
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
t_fname: str = f'tag/@{t[0]}.html'
# actually render tag page
self.__render_template(template_name, t_fname, **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.dir_cfg['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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