9358e59af8
Pecan makes abundant use of `inspect.getargspec`, but unless you're very meticulous in the decorators you wrap your controllers with, the original argspec is not persisted (and pecan functionality can break in various ways). When a controller is decorated in a way that breaks argspec, we should instead attempt to locate the *actual* argspec for the method (not the wrapped function) and use it. Additionally, when controllers are missing **kwargs in the method signature to map optional GET and POST arguments, we shouldn't consider that a non-routable offense (an HTTP 400); instead, we should just *not* pass extraneous arguments to the function. Change-Id: I47fe0496ff6aa105359ee8e5b99f6c80476cc2e9
48 lines
931 B
Python
48 lines
931 B
Python
import inspect
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import sys
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import six
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def iscontroller(obj):
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return getattr(obj, 'exposed', False)
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def getargspec(method):
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"""
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Drill through layers of decorators attempting to locate the actual argspec
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for a method.
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"""
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argspec = inspect.getargspec(method)
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args = argspec[0]
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if args and args[0] == 'self':
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return argspec
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if hasattr(method, '__func__'):
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method = method.__func__
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func_closure = six.get_function_closure(method)
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closure = next(
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(
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c for c in func_closure if six.callable(c.cell_contents)
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),
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None
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)
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method = closure.cell_contents
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return getargspec(method)
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def _cfg(f):
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if not hasattr(f, '_pecan'):
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f._pecan = {}
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return f._pecan
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if sys.version_info >= (2, 6, 5):
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def encode_if_needed(s):
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return s
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else:
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def encode_if_needed(s): # noqa
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return s.encode('utf-8')
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