pybind.py (12803:a08f441d4d4c) pybind.py (13714:35636064b7a1)
1# Copyright (c) 2017 ARM Limited
2# All rights reserved.
3#
4# The license below extends only to copyright in the software and shall
5# not be construed as granting a license to any other intellectual
6# property including but not limited to intellectual property relating
7# to a hardware implementation of the functionality of the software
8# licensed hereunder. You may use the software subject to the license
9# terms below provided that you ensure that this notice is replicated
10# unmodified and in its entirety in all distributions of the software,
11# modified or unmodified, in source code or in binary form.
12#
13# Redistribution and use in source and binary forms, with or without
14# modification, are permitted provided that the following conditions are
15# met: redistributions of source code must retain the above copyright
16# notice, this list of conditions and the following disclaimer;
17# redistributions in binary form must reproduce the above copyright
18# notice, this list of conditions and the following disclaimer in the
19# documentation and/or other materials provided with the distribution;
20# neither the name of the copyright holders nor the names of its
21# contributors may be used to endorse or promote products derived from
22# this software without specific prior written permission.
23#
24# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
25# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
26# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
27# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
28# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
29# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
30# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
31# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
32# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
34# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35#
36# Authors: Andreas Sandberg
37
1# Copyright (c) 2017 ARM Limited
2# All rights reserved.
3#
4# The license below extends only to copyright in the software and shall
5# not be construed as granting a license to any other intellectual
6# property including but not limited to intellectual property relating
7# to a hardware implementation of the functionality of the software
8# licensed hereunder. You may use the software subject to the license
9# terms below provided that you ensure that this notice is replicated
10# unmodified and in its entirety in all distributions of the software,
11# modified or unmodified, in source code or in binary form.
12#
13# Redistribution and use in source and binary forms, with or without
14# modification, are permitted provided that the following conditions are
15# met: redistributions of source code must retain the above copyright
16# notice, this list of conditions and the following disclaimer;
17# redistributions in binary form must reproduce the above copyright
18# notice, this list of conditions and the following disclaimer in the
19# documentation and/or other materials provided with the distribution;
20# neither the name of the copyright holders nor the names of its
21# contributors may be used to endorse or promote products derived from
22# this software without specific prior written permission.
23#
24# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
25# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
26# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
27# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
28# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
29# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
30# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
31# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
32# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
34# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35#
36# Authors: Andreas Sandberg
37
38from __future__ import print_function
39from __future__ import absolute_import
40
38from abc import *
39
40class PyBindExport(object):
41 __metaclass__ = ABCMeta
42
43 @abstractmethod
44 def export(self, code, cname):
45 pass
46
47class PyBindProperty(PyBindExport):
48 def __init__(self, name, cxx_name=None, writable=True):
49 self.name = name
50 self.cxx_name = cxx_name if cxx_name else name
51 self.writable = writable
52
53 def export(self, code, cname):
54 export = "def_readwrite" if self.writable else "def_readonly"
55 code('.${export}("${{self.name}}", &${cname}::${{self.cxx_name}})')
56
57class PyBindMethod(PyBindExport):
58 def __init__(self, name, cxx_name=None, args=None):
59 self.name = name
60 self.cxx_name = cxx_name if cxx_name else name
61 self.args = args
62
63 def _conv_arg(self, value):
64 if isinstance(value, bool):
65 return "true" if value else "false"
66 elif isinstance(value, (float, int)):
67 return repr(value)
68 else:
69 raise TypeError("Unsupported PyBind default value type")
70
71 def export(self, code, cname):
72 if self.args:
73 def get_arg_decl(arg):
74 if isinstance(arg, tuple):
75 name, default = arg
76 return 'py::arg("%s") = %s' % (
77 name, self._conv_arg(default))
78 else:
79 return 'py::arg("%s")' % arg
80
81 code('.def("${{self.name}}", &${cname}::${{self.name}}, ')
82 code(' ' + \
83 ', '.join([ get_arg_decl(a) for a in self.args ]) + ')')
84 else:
85 code('.def("${{self.name}}", &${cname}::${{self.cxx_name}})')
41from abc import *
42
43class PyBindExport(object):
44 __metaclass__ = ABCMeta
45
46 @abstractmethod
47 def export(self, code, cname):
48 pass
49
50class PyBindProperty(PyBindExport):
51 def __init__(self, name, cxx_name=None, writable=True):
52 self.name = name
53 self.cxx_name = cxx_name if cxx_name else name
54 self.writable = writable
55
56 def export(self, code, cname):
57 export = "def_readwrite" if self.writable else "def_readonly"
58 code('.${export}("${{self.name}}", &${cname}::${{self.cxx_name}})')
59
60class PyBindMethod(PyBindExport):
61 def __init__(self, name, cxx_name=None, args=None):
62 self.name = name
63 self.cxx_name = cxx_name if cxx_name else name
64 self.args = args
65
66 def _conv_arg(self, value):
67 if isinstance(value, bool):
68 return "true" if value else "false"
69 elif isinstance(value, (float, int)):
70 return repr(value)
71 else:
72 raise TypeError("Unsupported PyBind default value type")
73
74 def export(self, code, cname):
75 if self.args:
76 def get_arg_decl(arg):
77 if isinstance(arg, tuple):
78 name, default = arg
79 return 'py::arg("%s") = %s' % (
80 name, self._conv_arg(default))
81 else:
82 return 'py::arg("%s")' % arg
83
84 code('.def("${{self.name}}", &${cname}::${{self.name}}, ')
85 code(' ' + \
86 ', '.join([ get_arg_decl(a) for a in self.args ]) + ')')
87 else:
88 code('.def("${{self.name}}", &${cname}::${{self.cxx_name}})')