# Free Software Foundation, version 3.
+from dataclasses import dataclass
import itertools
+from urllib.parse import parse_qsl, urlencode, urlparse, urlunparse
from typing import Iterable
from bs4 import BeautifulSoup
from bs4.element import Tag
+from images import ImageStore
+from spec import Spec
+from texify import Texifier
+
+
+def _removeViewFromURL(url: str) -> str:
+ u = urlparse(url)
+ old_qs = parse_qsl(u.query)
+ new_qs = [(k, v) for k, v in old_qs if k != 'view']
+ return urlunparse(u._replace(query=urlencode(new_qs)))
+
+
+def nonFlatURL(url: str) -> str:
+ return _removeViewFromURL(url)
+
+
+def flatURL(url: str) -> str:
+ u = urlparse(_removeViewFromURL(url))
+ qs = parse_qsl(u.query) + [('view', 'flat')]
+ return urlunparse(u._replace(query=urlencode(qs)))
+
+
+@dataclass(frozen=True)
+class Chunk:
+ icon: str | None
+ character: Tag | None
+ screen_name: Tag | None
+ author: Tag | None
+ content: Tag
+
# We avoid the name "post" because the Glowfic community uses the term
# inconsistently:
# * The Glowfic software sometimes uses "post" to refer to a whole thread
-# (eg: in the URL), but more often uses "post" to refer to just the first
-# chunk in a thread. The non-first chunks are "replies".
+# (in the URL), sometimes uses "post" to refer to chunks (in the CSS),
+# but mostly uses "post" to refer to just the first chunk in a thread
+# (in the HTML and UI). The non-first chunks are "replies".
# * Readers and this software don't need to distinguish first-chunks and
# non-first-chunks.
-# * Humans in the community tend to use "posts" to mean "chunks" ("replies"
-# in the Glowfic software's lexicon).
+# * Humans in the community tend to use "posts" to mean chunks.
+
+
+class Thread:
+
+ def __init__(self, spec: Spec) -> None:
+ spec.log('Fetching HTML...\r')
+ html = spec.fetcher.fetch(flatURL(spec.url))
+ spec.log('Parsing HTML...\r')
+ self._dom = BeautifulSoup(spec.htmlfilter(html), 'html.parser')
+
+ def title(self) -> str | None:
+ span = self._dom.findChild("span", id="post-title")
+ if not isinstance(span, Tag):
+ return None
+ return span.text.strip()
+
+ def chunkDOMs(self) -> Iterable[Tag]:
+ def text() -> Tag:
+ body = self._dom.body
+ assert body
+ text = body.find_next("div", class_="post-post")
+ assert isinstance(text, Tag)
+ return text
+
+ def the_replies() -> Iterable[Tag]:
+ rs = self._dom.find_all("div", class_="post-reply")
+ assert all(isinstance(r, Tag) for r in rs)
+ return rs
+
+ return itertools.chain([text()], the_replies())
+
+
+def makeChunk(chunk_dom: Tag, image_store: ImageStore) -> Chunk:
+
+ def getIcon() -> str | None:
+ icon_div = chunk_dom.findChild('div', class_='post-icon')
+ if icon_div is None:
+ return None
+ assert isinstance(icon_div, Tag)
+ icon_img = icon_div.findChild('img')
+ if icon_img is None:
+ return None
+ assert isinstance(icon_img, Tag)
+ return image_store.get_image(icon_img.attrs['src'])
+
+ def getByClass(css_class: str) -> Tag | None:
+ tag = chunk_dom.findChild('div', class_=css_class)
+ assert tag is None or isinstance(tag, Tag)
+ return tag
+
+ def stripHREF(tag: Tag) -> None:
+ for c in tag.findChildren("a"):
+ if "href" in c.attrs:
+ del c.attrs["href"]
+
+ def getMeta(css_class: str) -> Tag | None:
+ tag = getByClass(css_class)
+ if tag is None:
+ return None
+ stripHREF(tag)
+ return tag
+
+ content = chunk_dom.findChild('div', class_='post-content')
+ assert isinstance(content, Tag)
+
+ return Chunk(getIcon(),
+ getMeta('post-character'),
+ getMeta('post-screenname'),
+ getMeta('post-author'),
+ content)
+
+
+def renderChunk(texifier: Texifier, chunk: Chunk) -> bytes:
+ return b''.join([
+ br'\glowhead{',
+ br'\glowicon{%s}' % chunk.icon.encode('UTF-8') if chunk.icon else b'',
+ b'}{',
+ texifier.texify(chunk.character) if chunk.character else b'',
+ b'}{',
+ texifier.texify(chunk.screen_name) if chunk.screen_name else b'',
+ b'}{',
+ texifier.texify(chunk.author) if chunk.author else b'',
+ b'}',
+ texifier.texify(chunk.content)])
+
+
+ContentOnlyLayout = br'''
+\newcommand{\glowhead}[4]{}
+'''
+
+
+BelowIconLayout = br'''
+\newcommand{\glowhead}[4]{\wrapstuffclear
+\begin{wrapstuff}[l]
+\fbox{
+\begin{varwidth}{0.5\textwidth}
+ \smash{\parbox[t][0pt]{0pt}{
+ \setlength{\fboxrule}{0.2pt}
+ \setlength{\fboxsep}{0pt}
+ \vspace{-3.4pt}
+ \fbox{\hspace{107mm}}
+ }\\*}
+ \vspace{-1em}
+\begin{center}
+#1\ifnotempty
+{#1}{\\*}#2\ifnotempty
+{#2}{\\*}#3\ifnotempty
+{#3}{\\*}#4
+\end{center}
+\end{varwidth}
+}
+\end{wrapstuff}
+
+\strut
+
+\noindent}'''
-def chunkDOMs(html: BeautifulSoup) -> Iterable[Tag]:
- def text() -> Tag:
- body = html.body
- assert body
- text = body.find_next("div", class_="post-post")
- assert isinstance(text, Tag)
- return text
+# Why is \textwidth not the width of the text?
+# Why is the width of the text .765\textwidth?
+BesideIconLayout = br'''
+\newcommand{\glowhead}[4]{
- def the_replies() -> Iterable[Tag]:
- rs = html.find_all("div", class_="post-reply")
- assert all(isinstance(r, Tag) for r in rs)
- return rs
+\strut
- return itertools.chain([text()], the_replies())
+\noindent\fbox{
+#1
+\parbox[b]{.765\textwidth}{
+\begin{center}
+#2\ifnotempty
+{#2}{\\*}#3\ifnotempty
+{#3}{\\*}#4
+\end{center}
+}
+}\\*
+\vspace{-0.75em}\\*
+\noindent}'''
projects / paperdoorknob / blobdiff