Merge pull request #431 from nvbn/428-readonly-history

#428: Don't fail when history is readonly

thefuck/shells.py

@@ -10,13 +10,14 @@ from time import time
 import io
 import os
 import shlex
+import sys
 import six
 from .utils import DEVNULL, memoize, cache
 from .conf import settings
+from . import logs
 
 
 class Generic(object):
-
     def get_aliases(self):
         return {}
 
@@ -69,7 +70,7 @@ class Generic(object):
                     lines = lines[-settings.history_limit:]
 
                 for line in lines:
-                    prepared = self._script_from_history(line)\
+                    prepared = self._script_from_history(line) \
                         .strip()
                     if prepared:
                         yield prepared
@@ -139,7 +140,6 @@ class Bash(Generic):
 
 
 class Fish(Generic):
-
     def _get_overridden_aliases(self):
         overridden_aliases = os.environ.get('TF_OVERRIDDEN_ALIASES', '').strip()
         if overridden_aliases:
@@ -303,7 +303,10 @@ def thefuck_alias():
 
 
 def put_to_history(command):
+    try:
         return _get_shell().put_to_history(command)
+    except IOError:
+        logs.exception("Can't update history", sys.exc_info())
 
 
 def and_(*commands):