/usr/share/pyshared/dipy/utils/tripwire.py is in python-dipy 0.7.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 | """ Class to raise error for missing modules or other misfortunes
"""
class TripWireError(Exception):
""" Exception if trying to use TripWire object """
def is_tripwire(obj):
""" Returns True if `obj` appears to be a TripWire object
Examples
--------
>>> is_tripwire(object())
False
>>> is_tripwire(TripWire('some message'))
True
"""
try:
obj.any_attribute
except TripWireError:
return True
except:
pass
return False
class TripWire(object):
""" Class raising error if used
Standard use is to proxy modules that we could not import
Examples
--------
>>> try:
... import silly_module_name
... except ImportError:
... silly_module_name = TripWire('We do not have silly_module_name')
>>> silly_module_name.do_silly_thing('with silly string') #doctest: +IGNORE_EXCEPTION_DETAIL
Traceback (most recent call last):
...
TripWireError: We do not have silly_module_name
"""
def __init__(self, msg):
self._msg = msg
def __getattr__(self, attr_name):
''' Raise informative error accessing attributes '''
raise TripWireError(self._msg)
|