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Only read each index.theme once

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Kovid Goyal
2024-07-29 14:41:52 +05:30
parent ad48ecad40
commit 8b8e752ece
1 changed files with 12 additions and 9 deletions
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21
kitty/xdg.py
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@@ -33,26 +33,29 @@ class XDGIconCache:
self.scanned = False
self.themes_to_search: set[str] = set()
def find_inherited_themes(self, basedir: str) -> bool:
with suppress(OSError), open(os.path.join(basedir, 'index.theme')) as f:
raw = f.read()
if m := re.search(r'^Inherits\s*=\s*(.+?)$', raw, re.MULTILINE):
for x in m.group(1).split(','):
self.themes_to_search.add(x.strip())
return True
def find_inherited_themes(self, basedir: str, seen_indexes: set[str]) -> bool:
if basedir not in seen_indexes:
seen_indexes.add(basedir)
with suppress(OSError), open(os.path.join(basedir, 'index.theme')) as f:
raw = f.read()
if m := re.search(r'^Inherits\s*=\s*(.+?)$', raw, re.MULTILINE):
for x in m.group(1).split(','):
self.themes_to_search.add(x.strip())
return True
return False
def scan(self) -> None:
self.scanned = True
seen_indexes: set[str] = set()
for icdir in icon_dirs():
if self.find_inherited_themes(os.path.join(icdir, 'default')):
if self.find_inherited_themes(os.path.join(icdir, 'default'), seen_indexes):
break
self.themes_to_search.add('hicolor')
while True:
before = len(self.themes_to_search)
for icdir in icon_dirs():
for theme in tuple(self.themes_to_search):
self.find_inherited_themes(os.path.join(icdir, theme))
self.find_inherited_themes(os.path.join(icdir, theme), seen_indexes)
if len(self.themes_to_search) == before:
break
for icdir in icon_dirs():