# Copyright (c) 2014 Evalf
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.

import inspect

def process_signature(self, objtype, fullname, object, options, args, retann):
  if objtype in ('function', 'class', 'method'):
    signature = inspect.signature(object)
  else:
    return
  # Drop annotations from signature.
  signature = signature.replace(parameters=(param.replace(annotation=param.empty) for param in signature.parameters.values()),
                                return_annotation=inspect.Signature.empty)
  # Return a string representation of args and of the return annotation.  Note
  # that `str(signature)` would have included the return annotation if we
  # hadn't removed it above.
  return str(signature).replace('\\', '\\\\'), ''

def setup(app):
  app.connect('autodoc-process-signature', process_signature)

# vim: sts=2:sw=2:et
