improve hover link creation

* read the complete file from stdin
* support links from outside the html root by specifying a path prefix
  to the card listings
* small code cleanups

1 files changed, 30 insertions, 11 deletions

diff --git a/scripts/generate_card_hover_links.py b/scripts/generate_card_hover_links.py
index 51d18fbd..8f945c91 100755
--- a/scripts/generate_card_hover_links.py
+++ b/scripts/generate_card_hover_links.py
@@ -5,9 +5,12 @@ import argparse
 from pathlib import Path
 import re
 from typing import Callable
+import sys
 
 from data import name2set, name2file, name2cardlisting
 
+ROOT_URL = '/muhqs-game/html/build'
+
 PATTERN = re.compile(r'\{\{(?P<card>.*?)\}\}')
 
 CSS_STYLE = 'zindex: 100; position: absolute;'
@@ -22,10 +25,10 @@ var w = window;
 var up = b.bottom - w.innerHeight;
 var left = b.right - w.innerWidth;
 if (up > 0) {{
-    o.style.top = (b.top - up) + w.pageYOffset + 'px';
+  o.style.top = (b.top - up) + w.pageYOffset + 'px';
 }}
 if (left > 0) {{
-    o.style.left = (b.left - left) +  + w.pageXOffset + 'px';
+  o.style.left = (b.left - left) + w.pageXOffset + 'px';
 }}
 """
 
@@ -77,19 +80,27 @@ def gen_hoverable_link(card: str, gen_link_text: GenLinkTextCallback,
                                  link_text=link_text)
 
 
-def gen_link_to_cardlisting(card: str, language: str) -> str:
+def gen_link_to_cardlisting(card: str, language: str, path_prefix='') -> str:
     """Return the link to a card in the card listing"""
 
     card_listing_target = name2cardlisting(card)
-    return f'{language}/cards_listing.html#{card_listing_target}'
+    return f'{path_prefix}{language}/cards_listing.html#{card_listing_target}'
 
 
-def replace_all_links(string: str, images_path: str, language='en') -> str:
+def replace_all_links(string: str,
+                      images_path: str,
+                      language='en',
+                      link_path_prefix='') -> str:
     """Replace a document containing all included cards"""
 
-    gen_link_text = lambda card: f'<em>{card}</em>'
-    sub_func = lambda match: gen_hoverable_link(match.group(
-        'card'), gen_link_text, gen_link_to_cardlisting, images_path, language)
+    def gen_link_text(card):
+        return f'<em>{card}</em>'
+
+    def sub_func(match):
+        return gen_hoverable_link(
+            match.group('card'),
+            gen_link_text, lambda card, lang: gen_link_to_cardlisting(
+                card, lang, link_path_prefix), images_path, language)
 
     return re.sub(PATTERN, sub_func, string)
 
@@ -107,9 +118,13 @@ def main():
                         default='en',
                         help='the language of the cards to output')
     parser.add_argument('--images',
-                        default='/muhqs-game/html/build/latex-build',
+                        default=f'{ROOT_URL}/latex-build',
                         type=str,
                         help='the path to the rendered cards')
+    parser.add_argument('--cardlisting-path-prefix',
+                        default='',
+                        type=str,
+                        help='a prefix to the path to the cardlisting')
 
     args = parser.parse_args()
 
@@ -119,9 +134,13 @@ def main():
         with open(markdown_path, 'r', encoding="utf8") as markdown_file:
             content = markdown_file.read()
     else:
-        content = input()
+        content = sys.stdin.read()
 
-    print(replace_all_links(content, args.images, language=args.language))
+    print(
+        replace_all_links(content,
+                          args.images,
+                          language=args.language,
+                          link_path_prefix=args.cardlisting_path_prefix))
 
 
 if __name__ == '__main__':