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import os
import sys
from datetime import datetime, timezone
from logging import Logger, getLogger
log: Logger = getLogger(__name__)
class Page:
def __init__(self,
name: str,
ctime: float,
mtime: float,
html: str,
meta: dict,
config: dict,
dir_config: dict) -> None:
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
# TODO: need to fix this to use the dir_config stuff
self.config: dict = config
self.dir_config: dict = dir_config
# data from self.meta
self.title: str
self.author: list[str]
self.summary: str
self.lang: str
self.cdatetime: datetime
self.mdatetime: datetime
self.tags: list[tuple[str, 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 = None
self.mdate_list: str | None = None
self.mdate_list_sep: str | None = None
self.mdate_rss: str | None = None
self.mdate_sitemap: str | None = None
self.next: Page | None = None
self.previous: Page | None = None
# also from self.meta, but for og metadata
self.og: dict[str, str] = dict()
def __lt__(self, other):
return self.ctimestamp < other.ctimestamp
def __get_meta(self, var: str, or_else: str | list[str]) -> str | list[str]:
if var in self.meta:
log.debug('getting metadata "%s"', var)
return self.meta[var]
else:
log.debug('getting metadata "%s" failed, using optional value "%s"', var, or_else)
return or_else
# 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)
self.title = self.__get_meta('title', [''])[0]
self.author = list(self.__get_meta('author', ['']))
self.summary = self.__get_meta('summary', [''])[0]
self.lang = self.__get_meta('lang', ['en'])[0]
log.debug('parsing timestamp')
self.cdatetime = datetime.fromtimestamp(self.ctimestamp,
tz=timezone.utc)
# these could be actual function
cdate = lambda x : self.cdatetime.strftime(self.config['fmt'][x])
mdate = lambda x : self.mdatetime.strftime(self.config['fmt'][x])
self.cdate = cdate('date')
self.cdate_list = cdate('list_date')
self.cdate_list_sep = cdate('list_sep_date')
self.cdate_rss = cdate('rss_date')
self.cdate_sitemap = cdate('sitemap_date')
if self.mtimestamp != 0.0:
log.debug('parsing modified timestamp')
self.mdatetime = datetime.fromtimestamp(self.mtimestamp, tz=timezone.utc)
self.mdate = mdate('date')
self.mdate_list = mdate('list_date')
self.mdate_list_sep = mdate('list_sep_date')
self.mdate_rss = mdate('rss_date')
self.mdate_sitemap = mdate('sitemap_date')
else:
log.debug('not parsing modified timestamp, hasn\'t been modified')
if self.dir_config['tags']:
log.debug('parsing tags')
tags_only: list[str] = list(self.__get_meta('tags', []))
if tags_only:
tags_only.sort()
for t in tags_only:
# need to specify dir_config['url'] as it is a hardcoded tag url
self.tags.append((t, f'{self.dir_config["url"]}/tag/@{t}.html'))
else:
log.debug('no tags to parse')
log.debug('parsing url')
# no need to specify dir_config['url'] as self.name already contains the relative url
self.url = f'{self.config["url"]["main"]}/{self.name.replace(".md", ".html")}'
log.debug('final url "%s"', self.url)
log.debug('parsing image url')
default_image_url: str = ''
if 'default_image' in self.config['url']:
log.debug('"default_image" url found, will use if no "image_url" is found')
default_image_url = self.config['url']['default_image']
image_url: str
image_url = self.__get_meta('image_url', [default_image_url])[0]
if image_url != '':
if 'static' in self.config['url']:
self.image_url = f'{self.config["url"]["static"]}/{image_url}'
else:
log.debug('no static url set, using main url, this could cause problems')
self.image_url = f'{self.config["url"]["main"]}/{image_url}'
log.debug('final image url "%s"', self.image_url)
else:
self.image_url = ''
log.debug('no image url set for the page, could be because no'
' "image_url" was found in the metadata and/or no '
' "default_image" set in the config file')
# if contains open graph elements
# TODO: better handle this part
# og_e = object graph entry
og_elements: list[str] = list(self.__get_meta('og', []))
if og_elements:
log.debug('parsing og metadata')
for og_e in og_elements:
kv: list[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
else:
log.debug('no tags to parse')
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