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
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
# -*- Mode: Python; py-indent-offset: 4 -*-
# vim: tabstop=4 shiftwidth=4 expandtab
#
# Copyright (C) 2007-2009 Johan Dahlin <johan@gnome.org>
#
# module.py: dynamic module for introspected libraries.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
# USA
import os
import gobject
from gobject import \
GObject, \
GInterface, \
GBoxed
from ._gi import \
Repository, \
UnresolvedInfo, \
FunctionInfo, \
RegisteredTypeInfo, \
EnumInfo, \
ObjectInfo, \
InterfaceInfo, \
StructInfo
from .types import \
GObjectMeta, \
GBoxedMeta, \
Function
repository = Repository.get_default()
def get_parent_for_object(object_info):
parent_object_info = object_info.get_parent()
if not parent_object_info:
return object
namespace = parent_object_info.get_namespace()
name = parent_object_info.get_name()
# Workaround for GObject.Object and GObject.InitiallyUnowned.
if namespace == 'GObject' and name == 'Object' or name == 'InitiallyUnowned':
return GObject
module = __import__('gi.repository.%s' % namespace, fromlist=[name])
return getattr(module, name)
class DynamicModule(object):
def __str__(self):
path = repository.get_typelib_path(self.__namespace__)
return "<dynamic module %r from %r>" % (self.__name__, path)
def __getattr__(self, name):
info = repository.find_by_name(self.__namespace__, name)
if not info:
raise AttributeError("%r object has no attribute %r" % (
self.__class__.__name__, name))
if isinstance(info, EnumInfo):
type_ = info.get_g_type()
if type_.is_a(gobject.TYPE_ENUM):
value = gobject.enum_from_g_type(type_)
elif type_.is_a(gobject.TYPE_FLAGS):
value = gobject.flags_from_g_type(type_)
else:
raise TypeError, "Must be a subtype of either gobject.TYPE_ENUM, or gobject.TYPE_FLAGS"
value.__info__ = info
value.__module__ = info.get_namespace()
for value_info in info.get_values():
name = value_info.get_name().upper()
setattr(value, name, value(value_info.get_value()))
elif isinstance(info, RegisteredTypeInfo):
g_type = info.get_g_type()
# Check if there is already a Python wrapper.
if g_type != gobject.TYPE_NONE and g_type.pytype is not None:
self.__dict__[name] = g_type.pytype
return gtype.pytype
# Create a wrapper.
if isinstance(info, ObjectInfo):
bases = (get_parent_for_object(info),)
metaclass = GObjectMeta
elif isinstance(info, InterfaceInfo):
# FIXME
bases = (GInterface,)
metaclass = GObjectMeta
elif isinstance(info, StructInfo):
bases = (GBoxed,)
metaclass = GBoxedMeta
else:
raise NotImplementedError(info)
name = info.get_name()
dict_ = {
'__info__': info,
'__module__': self.__namespace__,
'__gtype__': g_type
}
value = metaclass(name, bases, dict_)
if g_type != gobject.TYPE_NONE:
g_type.pytype = value
elif isinstance(info, FunctionInfo):
value = Function(info)
else:
raise NotImplementedError(info)
self.__dict__[name] = value
return value
@property
def __members__(self):
r = []
for type_info in repository.get_infos(self.__namespace__):
r.append(type_info.get_name())
return r
|
