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annotate roundup/anypy/findargspec.py @ 5726:e199d0ae4a25

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issue2551033: prevent reverse engineering hidden data by using etags as an oracle to identify when the right data has been guessed. Identified by Joseph Myers who also suggested remediation methods. Implemented John Rouillard.
author John Rouillard <rouilj@ieee.org>
date Thu, 23 May 2019 18:56:57 -0400
parents c94fd717e28c
children c588e64718fc
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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c94fd717e28c Fix http://issues.roundup-tracker.org/issue2550952 make __call__
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1 ''' Wrapper for getargspec to support other callables and python 3 support
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2
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3 In python 3 just uses getfullargspec which handles regular functions
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4 and classes with __call__ methods.
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5 '''
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6
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7 try:
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8 # Python 3+
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9 from inspect import getfullargspec as getargspec
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10 findargspec = getargspec
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11 except:
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12 # Python 2.5-2.7 modified from https://bugs.python.org/issue20828
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13 import inspect
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14
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15 def findargspec(fn):
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16 if inspect.isfunction(fn) or inspect.ismethod(fn):
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17 inspectable = fn
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18 elif inspect.isclass(fn):
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19 inspectable = fn.__init__
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20 elif hasattr(fn, '__call__'):
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21 inspectable = fn.__call__
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22 else:
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23 inspectable = fn
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24
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25 try:
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26 return inspect.getargspec(inspectable)
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27 except TypeError:
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28 raise
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