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Speed up resource lookup when using CALIBRE_DEVELOP_FROM

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This commit is contained in:
Kovid Goyal 2010-06-27 13:14:10 -06:00
parent d814a9af84
commit 4f87f15e4b
1 changed files with 10 additions and 6 deletions
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16
src/calibre/utils/resources.py
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@ -15,19 +15,23 @@ if _dev_path is not None:
if not os.path.exists(_dev_path): if not os.path.exists(_dev_path):
_dev_path = None _dev_path = None
_path_cache = {}
def get_path(path, data=False): def get_path(path, data=False):
global _dev_path global _dev_path
path = path.replace(os.sep, '/') path = path.replace(os.sep, '/')
base = None base = sys.resources_location
if _dev_path is not None: if _dev_path is not None:
if path in _path_cache:
return _path_cache[path]
if os.path.exists(os.path.join(_dev_path, *path.split('/'))): if os.path.exists(os.path.join(_dev_path, *path.split('/'))):
base = _dev_path base = _dev_path
if base is None: fpath = os.path.join(base, *path.split('/'))
base = sys.resources_location if _dev_path is not None:
path = os.path.join(base, *path.split('/')) _path_cache[path] = fpath
if data: if data:
return open(path, 'rb').read() return open(fpath, 'rb').read()
return path return fpath
def get_image_path(path, data=False): def get_image_path(path, data=False):
return get_path('images/'+path, data=data) return get_path('images/'+path, data=data)