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import_cache: read files only once

This commit is contained in:
Sebastien Bourdeauducq 2021-11-11 20:42:49 +08:00
parent 1ea3cf48d6
commit 95eb218112
1 changed files with 11 additions and 10 deletions
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21
artiq/language/import_cache.py
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@ -24,16 +24,17 @@ linecache_getlines = None
def add_module_to_cache(module):
if hasattr(module, "__file__"):
fn = module.__file__
try:
with tokenize.open(fn) as fp:
lines = fp.readlines()
if lines and not lines[-1].endswith("\n"):
lines[-1] += "\n"
cache[fn] = lines
except:
logger.warning("failed to add '%s' to cache", fn, exc_info=True)
else:
logger.debug("added '%s' to cache", fn)
if fn not in cache:
try:
with tokenize.open(fn) as fp:
lines = fp.readlines()
if lines and not lines[-1].endswith("\n"):
lines[-1] += "\n"
cache[fn] = lines
except:
logger.warning("failed to add '%s' to cache", fn, exc_info=True)
else:
logger.debug("added '%s' to cache", fn)
def hook_getlines(filename, module_globals=None):