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import sys
from datetime import datetime, timezone
import logging
from logging import Logger
from configparser import ConfigParser
from re import L
log: Logger = logging.getLogger(__name__)
class Page:
def __init__(self,
name: str,
ctime: float,
mtime: float,
html: str,
meta: dict,
config: ConfigParser):
log.debug('initializing the page object with name "%s"', name)
# initial data
self.name: str = name
self.ctimestamp: float = ctime
self.mtimestamp: float = mtime
self.content: str = html
self.meta: dict = meta
self.config: ConfigParser = config
# data from self.meta
self.title: str = ''
self.author: str = ''
self.cdatetime: datetime = None
self.mdatetime: datetime = None
self.summary: str = ''
self.lang: str = 'en'
self.tags: list[tuple[str]] = []
# constructed
self.url: str = ''
self.image_url: str = ''
self.cdate: str = ''
self.cdate_list: str = ''
self.cdate_list_sep: str = ''
self.cdate_rss: str = ''
self.cdate_sitemap: str = ''
self.mdate: str = None
self.mdate_list: str = None
self.mdate_list_sep: str = None
self.mdate_rss: str = ''
self.mdate_sitemap: str = ''
# later assigned references to next and previous pages
self.next: Page = None
self.previous: Page = None
# also from self.meta, but for og metadata
self.og: dict[str, str] = dict()
def __lt__(self, other):
return self.ctimestamp < other.ctimestamp
# parses meta from self.meta, for og, it prioritizes,
# the actual og meta
def parse_metadata(self):
log.debug('parsing metadata for file "%s"', self.name)
log.debug('parsing required metadata')
self.title = self.meta['title'][0]
self.author = self.meta['author'][0]
self.summary = self.meta['summary'][0]
self.lang = self.meta['lang'][0]
log.debug('parsing timestamp')
self.cdatetime = datetime.fromtimestamp(self.ctimestamp,
tz=timezone.utc)
self.cdate = self.cdatetime.strftime(self.config.get('fmt', 'date'))
self.cdate_list = self.cdatetime.strftime(self.config.get('fmt', 'list_date'))
self.cdate_list_sep = self.cdatetime.strftime(self.config.get('fmt', 'list_sep_date'))
self.cdate_rss = self.cdatetime.strftime(self.config.get('fmt', 'rss_date'))
self.cdate_sitemap = \
self.cdatetime.strftime(self.config.get('fmt', 'sitemap_date'))
if self.mtimestamp != 0.0:
log.debug('parsing modified timestamp')
self.mdatetime = datetime.fromtimestamp(self.mtimestamp,
tz=timezone.utc)
self.mdate = self.mdatetime.strftime(self.config.get('fmt', 'date'))
self.mdate_list = self.mdatetime.strftime(self.config.get('fmt', 'list_date'))
self.mdate_list_sep = self.mdatetime.strftime(self.config.get('fmt', 'list_sep_date'))
self.mdate_rss = self.mdatetime.strftime(self.config.get('fmt', 'rss_date'))
self.mdate_sitemap = \
self.mdatetime.strftime(self.config.get('fmt', 'sitemap_date'))
else:
log.debug('not parsing modified timestamp, hasn\'t been modified')
try:
tags_only: list[str] = self.meta['tags']
log.debug('parsing tags')
tags_only.sort()
for t in tags_only:
self.tags.append((t,
f'{self.config.get("url", "main")}/tag/@{t}.html'))
except KeyError:
log.debug('not parsing tags, doesn\'t have any')
log.debug('parsing url')
self.url = f'{self.config.get("url", "main")}/{self.name.replace(".md", ".html")}'
log.debug('final url "%s"', self.url)
log.debug('parsing image url')
try:
self.image_url = \
f'{self.config.get("url", "static")}/{self.meta["image_url"][0]}'
except KeyError:
log.debug('using default image, no image_url tag found')
self.image_url = \
f'{self.config.get("url", "static")}/{self.config.get("url", "default_image")}'
log.debug('final image url "%s"', self.image_url)
# if contains open graph elements
try:
# og_e = object graph entry
og_elements: list[str] = self.meta['og']
log.debug('parsing og metadata')
for og_e in og_elements:
kv: str = og_e.split(',', 1)
if len(kv) != 2:
log.error('invalid og syntax for "%s", needs to be "k, v"', og_e)
sys.exit(1)
k: str = kv[0].strip()
v: str = kv[1].strip()
log.debug('og element: ("%s", "%s")', k, v)
self.og[k] = v
except KeyError:
log.debug('no og metadata found')
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