stop (un)escaping media filenames

Back in the WebKit days, images with Unicode filenames would fail to
appear if they weren't percent-escaped. This no longer seems to be the
case - with this patch, images appear correctly on the Mac and Windows
platforms I tested with.

Fixes https://forums.ankiweb.net/t/anki-2-1-45-beta/10664/96
Fixes #1219

pylib/anki/media.py

@@ -8,13 +8,11 @@ import pprint
 import re
 import sys
 import time
-import urllib.error
-import urllib.parse
-import urllib.request
-from typing import Any, Callable, List, Match, Optional, Tuple
+from typing import Any, Callable, List, Optional, Tuple
 
 import anki
 import anki._backend.backend_pb2 as _pb
+from anki._legacy import deprecated
 from anki.consts import *
 from anki.latex import render_latex, render_latex_returning_errors
 from anki.models import NotetypeId
@@ -186,27 +184,12 @@ class MediaManager:
             txt = re.sub(reg, "", txt)
         return txt
 
+    @deprecated(info="no longer required")
     def escapeImages(self, string: str, unescape: bool = False) -> str:
-        "escape_media_filenames alias for compatibility with add-ons."
-        return self.escape_media_filenames(string, unescape)
+        return string
 
+    @deprecated(info="no longer required")
     def escape_media_filenames(self, string: str, unescape: bool = False) -> str:
-        "Apply or remove percent encoding to filenames in html tags (audio, image, object)."
-        fn: Callable
-        if unescape:
-            fn = urllib.parse.unquote
-        else:
-            fn = urllib.parse.quote
-
-        def repl(match: Match) -> str:
-            tag = match.group(0)
-            fname = match.group("fname")
-            if re.match("(https?|ftp)://", fname):
-                return tag
-            return tag.replace(fname, fn(fname))
-
-        for reg in self.html_media_regexps:
-            string = re.sub(reg, repl, string)
         return string
 
     # Checking media

pylib/tests/test_media.py

@@ -49,10 +49,6 @@ def test_strings():
     assert sp("aoeu") == "aoeu"
     assert sp("aoeu[sound:foo.mp3]aoeu") == "aoeuaoeu"
     assert sp("a<img src=yo>oeu") == "aoeu"
-    es = col.media.escape_media_filenames
-    assert es("aoeu") == "aoeu"
-    assert es("<img src='http://foo.com'>") == "<img src='http://foo.com'>"
-    assert es('<img src="foo bar.jpg">') == '<img src="foo%20bar.jpg">'
 
 
 def test_deckIntegration():

qt/aqt/editor.py

@@ -435,10 +435,7 @@ $editorToolbar.then(({{ toolbar }}) => toolbar.appendGroup({{
         if not self.note:
             return
 
-        data = [
-            (fld, self.mw.col.media.escape_media_filenames(val))
-            for fld, val in self.note.items()
-        ]
+        data = self.note.items()
         self.widget.show()
         self.updateTags()
 
@@ -588,13 +585,9 @@ $editorToolbar.then(({{ toolbar }}) => toolbar.appendGroup({{
         if html.find(">") > -1:
             # filter html through beautifulsoup so we can strip out things like a
             # leading </div>
-            html_escaped = self.mw.col.media.escape_media_filenames(html)
             with warnings.catch_warnings():
                 warnings.simplefilter("ignore", UserWarning)
-                html_escaped = str(BeautifulSoup(html_escaped, "html.parser"))
-                html = self.mw.col.media.escape_media_filenames(
-                    html_escaped, unescape=True
-                )
+                html = str(BeautifulSoup(html, "html.parser"))
         self.note.fields[field] = html
         if not self.addMode:
             self._save_current_note()
@@ -1268,15 +1261,9 @@ def remove_null_bytes(txt: str, editor: Editor) -> str:
     return txt.replace("\x00", "")
 
 
-def reverse_url_quoting(txt: str, editor: Editor) -> str:
-    # reverse the url quoting we added to get images to display
-    return editor.mw.col.media.escape_media_filenames(txt, unescape=True)
-
-
 gui_hooks.editor_will_use_font_for_field.append(fontMungeHack)
 gui_hooks.editor_will_munge_html.append(munge_html)
 gui_hooks.editor_will_munge_html.append(remove_null_bytes)
-gui_hooks.editor_will_munge_html.append(reverse_url_quoting)
 
 
 def set_cloze_button(editor: Editor) -> None:

qt/aqt/main.py

@@ -482,7 +482,6 @@ class AnkiQt(QMainWindow):
             return aqt.sound.av_refs_to_play_icons(text)
 
     def prepare_card_text_for_display(self, text: str) -> str:
-        text = self.col.media.escape_media_filenames(text)
         text = self._add_play_buttons(text)
         return text
 

qt/aqt/utils.py

@@ -35,6 +35,7 @@ from PyQt5.QtWidgets import (
 
 import aqt
 from anki import Collection
+from anki._legacy import deprecated
 from anki.lang import TR, tr_legacyglobal  # pylint: disable=unused-import
 from anki.utils import invalidFilename, isMac, isWin, noBundledLibs, versionWithBuild
 from aqt.qt import *
@@ -679,9 +680,8 @@ def restore_combo_history(comboBox: QComboBox, name: str) -> List[str]:
     return history
 
 
+@deprecated(info="use mw.prepare_card_text_for_display()")
 def mungeQA(col: Collection, txt: str) -> str:
-    print("mungeQA() deprecated; use mw.prepare_card_text_for_display()")
-    txt = col.media.escape_media_filenames(txt)
     return txt