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1# Copyright (c) 2009-2021, Google LLC
2# All rights reserved.
3#
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions are met:
6#     * Redistributions of source code must retain the above copyright
7#       notice, this list of conditions and the following disclaimer.
8#     * Redistributions in binary form must reproduce the above copyright
9#       notice, this list of conditions and the following disclaimer in the
10#       documentation and/or other materials provided with the distribution.
11#     * Neither the name of Google LLC nor the
12#       names of its contributors may be used to endorse or promote products
13#       derived from this software without specific prior written permission.
14#
15# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
16# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18# DISCLAIMED. IN NO EVENT SHALL Google LLC BE LIABLE FOR ANY
19# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
20# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
21# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
22# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
24# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25
26# begin:github_only
27load("//python:py_extension.bzl", "py_extension")
28# end:github_only
29
30load("@bazel_skylib//lib:selects.bzl", "selects")
31load("@bazel_skylib//rules:common_settings.bzl", "bool_flag", "string_flag")
32load("//bazel:build_defs.bzl", "UPB_DEFAULT_COPTS")
33
34# begin:github_only
35load("@rules_pkg//:mappings.bzl", "pkg_files")
36# end:github_only
37
38licenses(["notice"])
39
40package(
41    default_visibility = ["//python/dist:__pkg__"],
42)
43
44LIMITED_API_FLAG_SELECT = {
45    ":limited_api_3.7": ["-DPy_LIMITED_API=0x03070000"],
46    ":limited_api_3.10": ["-DPy_LIMITED_API=0x030a0000"],
47    "//conditions:default": [],
48}
49
50bool_flag(
51    name = "limited_api",
52    build_setting_default = True,
53)
54
55string_flag(
56    name = "python_version",
57    build_setting_default = "system",
58    values = [
59        "system",
60        "37",
61        "38",
62        "39",
63        "310",
64    ],
65)
66
67config_setting(
68    name = "limited_api_3.7",
69    flag_values = {
70        ":limited_api": "True",
71        ":python_version": "37",
72    },
73)
74
75config_setting(
76    name = "full_api_3.7_win32",
77    flag_values = {
78        ":limited_api": "False",
79        ":python_version": "37",
80    },
81    values = {"cpu": "win32"},
82)
83
84config_setting(
85    name = "full_api_3.7_win64",
86    flag_values = {
87        ":limited_api": "False",
88        ":python_version": "37",
89    },
90    values = {"cpu": "win64"},
91)
92
93selects.config_setting_group(
94    name = "full_api_3.7",
95    match_any = [
96        ":full_api_3.7_win32",
97        ":full_api_3.7_win64",
98    ],
99)
100
101config_setting(
102    name = "full_api_3.8_win32",
103    flag_values = {
104        ":limited_api": "False",
105        ":python_version": "38",
106    },
107    values = {"cpu": "win32"},
108)
109
110config_setting(
111    name = "full_api_3.8_win64",
112    flag_values = {
113        ":limited_api": "False",
114        ":python_version": "38",
115    },
116    values = {"cpu": "win64"},
117)
118
119selects.config_setting_group(
120    name = "full_api_3.8",
121    match_any = [
122        ":full_api_3.8_win32",
123        ":full_api_3.8_win64",
124    ],
125)
126
127config_setting(
128    name = "full_api_3.9_win32",
129    flag_values = {
130        ":limited_api": "False",
131        ":python_version": "39",
132    },
133    values = {"cpu": "win32"},
134)
135
136config_setting(
137    name = "full_api_3.9_win64",
138    flag_values = {
139        ":limited_api": "False",
140        ":python_version": "39",
141    },
142    values = {"cpu": "win64"},
143)
144
145selects.config_setting_group(
146    name = "full_api_3.9",
147    match_any = [
148        "full_api_3.9_win32",
149        ":full_api_3.9_win64",
150    ],
151)
152
153config_setting(
154    name = "limited_api_3.10_win32",
155    flag_values = {
156        ":limited_api": "True",
157        ":python_version": "310",
158    },
159    values = {"cpu": "win32"},
160)
161
162config_setting(
163    name = "limited_api_3.10_win64",
164    flag_values = {
165        ":limited_api": "True",
166        ":python_version": "310",
167    },
168    values = {"cpu": "win64"},
169)
170
171selects.config_setting_group(
172    name = "limited_api_3.10",
173    match_any = [
174        ":limited_api_3.10_win32",
175        ":limited_api_3.10_win64",
176    ],
177)
178
179# begin:github_only
180_message_target_compatible_with = {
181   "@platforms//os:windows": ["@platforms//:incompatible"],
182   "@system_python//:none": ["@platforms//:incompatible"],
183   "@system_python//:unsupported": ["@platforms//:incompatible"],
184   "//conditions:default": [],
185}
186
187pkg_files(
188   name = "message_extension",
189   srcs = [":message_srcs"],
190   prefix = "python/",
191)
192# end:github_only
193# begin:google_only
194# _message_target_compatible_with = {
195#     "@platforms//os:windows": ["@platforms//:incompatible"],
196#     "//conditions:default": [],
197# }
198# end:google_only
199
200filegroup(
201    name = "message_srcs",
202    srcs = [
203        "convert.c",
204        "convert.h",
205        "descriptor.c",
206        "descriptor.h",
207        "descriptor_containers.c",
208        "descriptor_containers.h",
209        "descriptor_pool.c",
210        "descriptor_pool.h",
211        "extension_dict.c",
212        "extension_dict.h",
213        "map.c",
214        "map.h",
215        "message.c",
216        "message.h",
217        "protobuf.c",
218        "protobuf.h",
219        "python_api.h",
220        "repeated.c",
221        "repeated.h",
222        "unknown_fields.c",
223        "unknown_fields.h",
224    ],
225    # begin:google_only
226#     compatible_with = ["//buildenv/target:non_prod"],
227    # end:google_only
228)
229
230py_extension(
231    name = "_message",
232    srcs = [":message_srcs"],
233    copts = UPB_DEFAULT_COPTS + select(LIMITED_API_FLAG_SELECT) + [
234        # The Python API requires patterns that are ISO C incompatible, like
235        # casts between function pointers and object pointers.
236        "-Wno-pedantic",
237    ],
238    target_compatible_with = select(_message_target_compatible_with),
239    deps = [
240        "//:collections",
241        "//:descriptor_upb_proto_reflection",
242        "//:eps_copy_input_stream",
243        "//:hash",
244        "//:port",
245        "//:reflection",
246        "//:textformat",
247        "//:upb",
248        "//:wire",
249        "//:wire_reader",
250        "//:wire_types",
251        "//upb/util:compare",
252        "//upb/util:def_to_proto",
253        "//upb/util:required_fields",
254    ],
255)
256