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scripts/qmp-shell: fix shell history exception handling 

We want to remove exceptions that are too broad here; we only want to
catch IOErrors that get raised as a direct result of the open call.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-15-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
master
John Snow 2021-06-07 16:06:21 -04:00
parent 628b92dd67
commit d962ec85ed
1 changed files with 6 additions and 9 deletions
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15
scripts/qmp/qmp-shell
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@ -67,7 +67,6 @@
import ast
import atexit
import errno
import json
import os
import re
@ -143,19 +142,17 @@ class QMPShell(qmp.QEMUMonitorProtocol):
readline.set_completer_delims('')
try:
readline.read_history_file(self._histfile)
except Exception as e:
if isinstance(e, IOError) and e.errno == errno.ENOENT:
# File not found. No problem.
pass
else:
print("Failed to read history '%s'; %s" % (self._histfile, e))
except FileNotFoundError:
pass
except IOError as err:
print(f"Failed to read history '{self._histfile}': {err!s}")
atexit.register(self.__save_history)
def __save_history(self):
try:
readline.write_history_file(self._histfile)
except Exception as e:
print("Failed to save history file '%s'; %s" % (self._histfile, e))
except IOError as err:
print(f"Failed to save history file '{self._histfile}': {err!s}")
@classmethod
def __parse_value(cls, val):