summaryrefslogtreecommitdiff
path: root/lib/python/qmk/userspace.py
blob: 1c2a97f9c1b240334bac06c90e11aba05cf7c7f3 (plain)
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
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
# Copyright 2023-2024 Nick Brassel (@tzarc)
# SPDX-License-Identifier: GPL-2.0-or-later
from os import environ
from pathlib import Path
import json
import jsonschema

from milc import cli

from qmk.json_schema import validate, json_load
from qmk.json_encoders import UserspaceJSONEncoder


def qmk_userspace_paths():
    test_dirs = set()

    # If we're already in a directory with a qmk.json and a keyboards or layouts directory, interpret it as userspace
    if environ.get('ORIG_CWD') is not None:
        current_dir = Path(environ['ORIG_CWD'])
        while len(current_dir.parts) > 1:
            if (current_dir / 'qmk.json').is_file():
                test_dirs.add(current_dir)
            current_dir = current_dir.parent

    # If we have a QMK_USERSPACE environment variable, use that
    if environ.get('QMK_USERSPACE') is not None:
        current_dir = Path(environ['QMK_USERSPACE']).expanduser()
        if current_dir.is_dir():
            test_dirs.add(current_dir)

    # If someone has configured a directory, use that
    if cli.config.user.overlay_dir is not None:
        current_dir = Path(cli.config.user.overlay_dir).expanduser().resolve()
        if current_dir.is_dir():
            test_dirs.add(current_dir)

    return list(test_dirs)


def qmk_userspace_validate(path):
    # Construct a UserspaceDefs object to ensure it validates correctly
    if (path / 'qmk.json').is_file():
        UserspaceDefs(path / 'qmk.json')
        return

    # No qmk.json file found
    raise FileNotFoundError('No qmk.json file found.')


def detect_qmk_userspace():
    # Iterate through all the detected userspace paths and return the first one that validates correctly
    test_dirs = qmk_userspace_paths()
    for test_dir in test_dirs:
        try:
            qmk_userspace_validate(test_dir)
            return test_dir
        except FileNotFoundError:
            continue
        except UserspaceValidationError:
            continue
    return None


class UserspaceDefs:
    def __init__(self, userspace_json: Path):
        self.path = userspace_json
        self.build_targets = []
        json = json_load(userspace_json)

        exception = UserspaceValidationError()
        success = False

        try:
            validate(json, 'qmk.user_repo.v0')  # `qmk.json` must have a userspace_version at minimum
        except jsonschema.ValidationError as err:
            exception.add('qmk.user_repo.v0', err)
            raise exception

        # Iterate through each version of the schema, starting with the latest and decreasing to v1
        schema_versions = [
            ('qmk.user_repo.v1_1', self.__load_v1_1),  #
            ('qmk.user_repo.v1', self.__load_v1)  #
        ]

        for v in schema_versions:
            schema = v[0]
            loader = v[1]
            try:
                validate(json, schema)
                loader(json)
                success = True
                break
            except jsonschema.ValidationError as err:
                exception.add(schema, err)

        if not success:
            raise exception

    def save(self):
        target_json = {
            "userspace_version": "1.1",  # Needs to match latest version
            "build_targets": []
        }

        for e in self.build_targets:
            if isinstance(e, dict):
                entry = [e['keyboard'], e['keymap']]
                if 'env' in e:
                    entry.append(e['env'])
                target_json['build_targets'].append(entry)
            elif isinstance(e, Path):
                target_json['build_targets'].append(str(e.relative_to(self.path.parent)))

        try:
            # Ensure what we're writing validates against the latest version of the schema
            validate(target_json, 'qmk.user_repo.v1_1')
        except jsonschema.ValidationError as err:
            cli.log.error(f'Could not save userspace file: {err}')
            return False

        # Only actually write out data if it changed
        old_data = json.dumps(json.loads(self.path.read_text()), cls=UserspaceJSONEncoder, sort_keys=True)
        new_data = json.dumps(target_json, cls=UserspaceJSONEncoder, sort_keys=True)
        if old_data != new_data:
            self.path.write_text(new_data)
            cli.log.info(f'Saved userspace file to {self.path}.')
        return True

    def add_target(self, keyboard=None, keymap=None, build_env=None, json_path=None, do_print=True):
        if json_path is not None:
            # Assume we're adding a json filename/path
            json_path = Path(json_path)
            if json_path not in self.build_targets:
                self.build_targets.append(json_path)
                if do_print:
                    cli.log.info(f'Added {json_path} to userspace build targets.')
            else:
                cli.log.info(f'{json_path} is already a userspace build target.')

        elif keyboard is not None and keymap is not None:
            # Both keyboard/keymap specified
            e = {"keyboard": keyboard, "keymap": keymap}
            if build_env is not None:
                e['env'] = build_env
            if e not in self.build_targets:
                self.build_targets.append(e)
                if do_print:
                    cli.log.info(f'Added {keyboard}:{keymap} to userspace build targets.')
            else:
                if do_print:
                    cli.log.info(f'{keyboard}:{keymap} is already a userspace build target.')

    def remove_target(self, keyboard=None, keymap=None, build_env=None, json_path=None, do_print=True):
        if json_path is not None:
            # Assume we're removing a json filename/path
            json_path = Path(json_path)
            if json_path in self.build_targets:
                self.build_targets.remove(json_path)
                if do_print:
                    cli.log.info(f'Removed {json_path} from userspace build targets.')
            else:
                cli.log.info(f'{json_path} is not a userspace build target.')

        elif keyboard is not None and keymap is not None:
            # Both keyboard/keymap specified
            e = {"keyboard": keyboard, "keymap": keymap}
            if build_env is not None:
                e['env'] = build_env
            if e in self.build_targets:
                self.build_targets.remove(e)
                if do_print:
                    cli.log.info(f'Removed {keyboard}:{keymap} from userspace build targets.')
            else:
                if do_print:
                    cli.log.info(f'{keyboard}:{keymap} is not a userspace build target.')

    def __load_v1(self, json):
        for e in json['build_targets']:
            self.__load_v1_target(e)

    def __load_v1_1(self, json):
        for e in json['build_targets']:
            self.__load_v1_1_target(e)

    def __load_v1_target(self, e):
        if isinstance(e, list) and len(e) == 2:
            self.add_target(keyboard=e[0], keymap=e[1], do_print=False)
        if isinstance(e, str):
            p = self.path.parent / e
            if p.exists() and p.suffix == '.json':
                self.add_target(json_path=p, do_print=False)

    def __load_v1_1_target(self, e):
        # v1.1 adds support for a third item in the build target tuple; kvp's for environment
        if isinstance(e, list) and len(e) == 3:
            self.add_target(keyboard=e[0], keymap=e[1], build_env=e[2], do_print=False)
        else:
            self.__load_v1_target(e)


class UserspaceValidationError(Exception):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.__exceptions = []

    def __str__(self):
        return self.message

    @property
    def exceptions(self):
        return self.__exceptions

    def add(self, schema, exception):
        self.__exceptions.append((schema, exception))
        errorlist = "\n\n".join([f"{schema}: {exception}" for schema, exception in self.__exceptions])
        self.message = f'Could not validate against any version of the userspace schema. Errors:\n\n{errorlist}'