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#439 & #447: Remove cache if created with unavailable db

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When switching between Python versions, the database package used to
create the cache might be unavailable and an ImportError is raised,
such as `ImportError: No module named gdbm`.
This commit is contained in:
Pablo Santiago Blum de Aguiar 2016-03-07 22:32:01 -03:00
parent d73b14ce4b
commit d8de5cfd20
1 changed files with 2 additions and 2 deletions
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4
thefuck/utils.py
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@ -228,8 +228,8 @@ def cache(*depends_on):
value = fn(*args, **kwargs) value = fn(*args, **kwargs)
db[key] = {'etag': etag, 'value': value} db[key] = {'etag': etag, 'value': value}
return value return value
except shelve_open_error: except (shelve_open_error, ImportError):
# Caused when going from Python 2 to Python 3 and vice-versa # Caused when switching between Python versions
warn("Removing possibly out-dated cache") warn("Removing possibly out-dated cache")
os.remove(cache_path) os.remove(cache_path)