Learning TeX: Render icon images with TeX command

[paperdoorknob] / glowfic.py

diff --git a/glowfic.py b/glowfic.py
index 76a9a840738259f4f925bf68ece537d794872711..b7e7ba740b33f82fbebd43ea9c1c4ffa36bc1973 100644 (file)
--- a/glowfic.py
+++ b/glowfic.py
@@ -8,6 +8,7 @@
 from abc import ABC, abstractmethod
 from dataclasses import dataclass
 import itertools
+from urllib.parse import parse_qsl, urlencode, urlparse, urlunparse
 
 from typing import Iterable
 
@@ -18,12 +19,29 @@ from images import ImageStore
 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: str | None
-    screen_name: str | None
-    author: 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
@@ -56,36 +74,43 @@ def chunkDOMs(html: BeautifulSoup) -> Iterable[Tag]:
 def makeChunk(chunk_dom: Tag, image_store: ImageStore) -> Chunk:
 
     def getIcon() -> str | None:
-        icon_div = chunk_dom.find_next('div', class_='post-icon')
+        icon_div = chunk_dom.findChild('div', class_='post-icon')
         if icon_div is None:
             return None
-        icon_img = icon_div.find_next('img')
+        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 getTextByClass(css_class: str) -> str | None:
-        div = chunk_dom.find_next('div', class_=css_class)
-        if div is None:
+    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
-        return div.text.strip()
+        stripHREF(tag)
+        return tag
 
-    content = chunk_dom.find_next('div', class_='post-content')
+    content = chunk_dom.findChild('div', class_='post-content')
     assert isinstance(content, Tag)
 
     return Chunk(getIcon(),
-                 getTextByClass('post-character'),
-                 getTextByClass('post-screenname'),
-                 getTextByClass('post-author'),
+                 getMeta('post-character'),
+                 getMeta('post-screenname'),
+                 getMeta('post-author'),
                  content)
 
 
-def renderIcon(icon_path: str | None, image_size: float) -> str | None:
-    params = f'width={image_size}mm,height={image_size}mm,keepaspectratio'
-    return f'\\includegraphics[{params}]{{{icon_path}}}' if icon_path else None
-
-
 class Layout(ABC):
 
     @abstractmethod
@@ -104,39 +129,71 @@ class ContentOnlyLayout(Layout):
 
 class BelowIconLayout(Layout):
 
-    def __init__(self, texifier: Texifier, image_size: float) -> None:
+    def __init__(self, texifier: Texifier) -> None:
+        self._texifier = texifier
+
+    def renderChunk(self, chunk: Chunk) -> bytes:
+        meta = []
+        if chunk.icon:
+            meta += [br'\glowicon{%s}' % chunk.icon.encode('UTF-8')]
+        meta += [self._texifier.texify(x)
+                 for x in [chunk.character, chunk.screen_name, chunk.author]
+                 if x is not None]
+
+        return br'''\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}
+%s
+\end{center}
+\end{varwidth}
+}
+\end{wrapstuff}
+
+\strut
+
+\noindent %s
+''' % (
+            br'\\*'.join(meta),
+            self._texifier.texify(chunk.content))
+
+
+class BesideIconLayout(Layout):
+
+    def __init__(self, texifier: Texifier) -> None:
         self._texifier = texifier
-        self._image_size = image_size
 
     def renderChunk(self, chunk: Chunk) -> bytes:
         meta = [
-            renderIcon(chunk.icon, self._image_size),
             chunk.character,
             chunk.screen_name,
             chunk.author,
         ]
 
-        return b'''\\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}
+        # Why is \textwidth not the width of the text?
+        # Why is the width of the text .765\textwidth?
+        return br'''\noindent\fbox{
+%s
+\parbox[b]{.765\textwidth}{
+\begin{center}
 %s
-\\end{center}
-\\end{varwidth}
+\end{center}
 }
-\\end{wrapstuff}
+}\\*
+\vspace{-0.75em}\\*
+\noindent %s
 
-\\strut
+\strut
 
-%s
 ''' % (
-            b'\\\\*'.join(x.encode('UTF-8') for x in meta if x is not None),
+            br'\glowicon{%s}' % chunk.icon.encode('UTF-8') if chunk.icon else b'',
+            br'\\*'.join(self._texifier.texify(x) for x in meta if x is not None),
             self._texifier.texify(chunk.content))