LaTeX compilation of URLs containing weird characters works

patacrep/data/templates/styles/crepbook.sty

@@ -79,8 +79,8 @@
 % Title page
 \long\def\subtitle#1{\long\def\@subtitle{#1}}
 \def\version#1{\def\@version{#1}}
-\def\web#1{\def\@web{#1}}
-\def\mail#1{\def\@mail{#1}}
+\def\web#1{\def\@web{\url{#1}}}
+\def\mail#1{\def\@mail{\href{mailto:#1}{\nolinkurl{#1}}}}
 \def\email#1{\def\@email{#1}}
 \def\picture#1{\def\@picture{#1}}
 \def\picturecopyright#1{\def\@picturecopyright{#1}}

patacrep/templates.py

@@ -56,6 +56,8 @@ TRANSLATION_MAP_URL = {
     '}': '\\' + urllib.parse.quote("}"),
     '%': '\\%',
     '\\': '\\\\',
+    '#': '\\#',
+    '&': '\\&',
     }
 
 def _escape_specials(text, *, chars=None, translation_map=None):

test/test_book/special.tex.control

@@ -101,8 +101,8 @@ guitar,
 
 
 \subtitle{\& \% \$ \# \_ \} \{ \textasciitilde{} \textasciicircum{} \textbackslash{}}
-\mail{foo@\\\%&$#_~^\%20\%7B\%7D}
-\web{http://\\\%&$#_~^\%20\%7B\%7D}
+\mail{foo@\\\%\&$\#_~^\%20\%7B\%7D}
+\web{http://\\\%\&$\#_~^\%20\%7B\%7D}
 \picture{img/treble_a}
 \picturecopyright{Dbolton \url{http://commons.wikimedia.org/wiki/User:Dbolton}}
 \footer{Generated using Songbook (\url{http://www.patacrep.com})}