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[lfs] Cache overlay info in memory to avoid unnecessary reads

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derrod 2021-12-28 18:14:59 +01:00
parent 4a743dc1ca
commit b5120fa99d
1 changed files with 12 additions and 7 deletions
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19
legendary/lfs/lgndry.py
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@ -34,8 +34,9 @@ class LGDLFS:
self._game_metadata = dict() self._game_metadata = dict()
# Legendary update check info # Legendary update check info
self._update_info = None self._update_info = None
# EOS Overlay update check info # EOS Overlay install/update check info
self._overlay_update_info = None self._overlay_update_info = None
self._overlay_install_info = None
# Config with game specific settings (e.g. start parameters, env variables) # Config with game specific settings (e.g. start parameters, env variables)
self.config = LGDConf(comment_prefixes='/', allow_no_value=True) self.config = LGDConf(comment_prefixes='/', allow_no_value=True)
@ -386,19 +387,23 @@ class LGDLFS:
indent=2, sort_keys=True) indent=2, sort_keys=True)
def get_overlay_install_info(self): def get_overlay_install_info(self):
try: if not self._overlay_install_info:
data = json.load(open(os.path.join(self.path, f'overlay_install.json'))) try:
return InstalledGame.from_json(data) data = json.load(open(os.path.join(self.path, f'overlay_install.json')))
except Exception as e: self._overlay_install_info = InstalledGame.from_json(data)
self.log.debug(f'Failed to load overlay install data: {e!r}') except Exception as e:
return None self.log.debug(f'Failed to load overlay install data: {e!r}')
return self._overlay_install_info
def set_overlay_install_info(self, igame: InstalledGame): def set_overlay_install_info(self, igame: InstalledGame):
self._overlay_install_info = igame
json.dump(vars(igame), open(os.path.join(self.path, 'overlay_install.json'), 'w'), json.dump(vars(igame), open(os.path.join(self.path, 'overlay_install.json'), 'w'),
indent=2, sort_keys=True) indent=2, sort_keys=True)
def remove_overlay_install_info(self): def remove_overlay_install_info(self):
try: try:
self._overlay_install_info = None
os.remove(os.path.join(self.path, 'overlay_install.json')) os.remove(os.path.join(self.path, 'overlay_install.json'))
except Exception as e: except Exception as e:
self.log.debug(f'Failed to delete overlay install data: {e!r}') self.log.debug(f'Failed to delete overlay install data: {e!r}')