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Add an LRU cache to the config.

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This commit is contained in:
Florian Bruhin 2014-08-27 20:16:04 +02:00
parent d2b744b195
commit 68ef9b97a3
2 changed files with 10 additions and 0 deletions
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4
qutebrowser/config/config.py
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@ -27,6 +27,7 @@ we borrow some methods and classes from there where it makes sense.
import os import os
import os.path import os.path
import textwrap import textwrap
import functools
import configparser import configparser
import collections.abc import collections.abc
@ -277,6 +278,7 @@ class ConfigManager(QObject):
existed = optname in sectdict existed = optname in sectdict
if existed: if existed:
del sectdict[optname] del sectdict[optname]
self.get.cache_clear()
return existed return existed
@cmdutils.register(name='get', instance='config', @cmdutils.register(name='get', instance='config',
@ -301,6 +303,7 @@ class ConfigManager(QObject):
message.info("{} {} = {}".format(sectname, optname, val), message.info("{} {} = {}".format(sectname, optname, val),
immediately=True) immediately=True)
@functools.lru_cache()
def get(self, sectname, optname, raw=False, transformed=True): def get(self, sectname, optname, raw=False, transformed=True):
"""Get the value from a section/option. """Get the value from a section/option.
@ -411,6 +414,7 @@ class ConfigManager(QObject):
if sectname in ('colors', 'fonts'): if sectname in ('colors', 'fonts'):
self.style_changed.emit(sectname, optname) self.style_changed.emit(sectname, optname)
self.changed.emit(sectname, optname) self.changed.emit(sectname, optname)
self.get.cache_clear()
@cmdutils.register(instance='config') @cmdutils.register(instance='config')
def save(self): def save(self):

6
qutebrowser/utils/debug.py
View File

@ -29,6 +29,7 @@ from PyQt5.QtCore import pyqtRemoveInputHook, QEvent, QCoreApplication
from qutebrowser.utils import log, utils from qutebrowser.utils import log, utils
from qutebrowser.commands import cmdutils from qutebrowser.commands import cmdutils
from qutebrowser.config import config
@cmdutils.register(debug=True, name='debug-set-trace') @cmdutils.register(debug=True, name='debug-set-trace')
@ -83,6 +84,11 @@ def debug_all_objects():
s = QCoreApplication.instance().get_all_objects() s = QCoreApplication.instance().get_all_objects()
log.misc.debug(s) log.misc.debug(s)
@cmdutils.register(debug=True)
def debug_cache_stats():
"""Print config LRU cache stats."""
info = config.instance().get.cache_info()
log.misc.debug(info)
def log_events(klass): def log_events(klass):
"""Class decorator to log Qt events.""" """Class decorator to log Qt events."""