summaryrefslogtreecommitdiff
path: root/lib/python/qmk/commands.py
blob: 34696e37930ce6c65d8ec74686c9190e55813499 (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
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
"""Helper functions for commands.
"""
import os
import sys
import json
import shutil
from pathlib import Path

from milc import cli
import jsonschema

from qmk.constants import INTERMEDIATE_OUTPUT_PREFIX
from qmk.json_schema import json_load, validate


def _find_make():
    """Returns the correct make command for this environment.
    """
    make_cmd = os.environ.get('MAKE')

    if not make_cmd:
        make_cmd = 'gmake' if shutil.which('gmake') else 'make'

    return make_cmd


def create_make_target(target, dry_run=False, parallel=1, **env_vars):
    """Create a make command

    Args:

        target
            Usually a make rule, such as 'clean' or 'all'.

        dry_run
            make -n -- don't actually build

        parallel
            The number of make jobs to run in parallel

        **env_vars
            Environment variables to be passed to make.

    Returns:

        A command that can be run to make the specified keyboard and keymap
    """
    env = []
    make_cmd = _find_make()

    for key, value in env_vars.items():
        env.append(f'{key}={value}')

    if cli.config.general.verbose:
        env.append('VERBOSE=true')

    return [make_cmd, *(['-n'] if dry_run else []), *get_make_parallel_args(parallel), *env, target]


def create_make_command(keyboard, keymap, target=None, dry_run=False, parallel=1, **env_vars):
    """Create a make compile command

    Args:

        keyboard
            The path of the keyboard, for example 'plank'

        keymap
            The name of the keymap, for example 'algernon'

        target
            Usually a bootloader.

        dry_run
            make -n -- don't actually build

        parallel
            The number of make jobs to run in parallel

        **env_vars
            Environment variables to be passed to make.

    Returns:

        A command that can be run to make the specified keyboard and keymap
    """
    make_args = [keyboard, keymap]

    if target:
        make_args.append(target)

    return create_make_target(':'.join(make_args), dry_run=dry_run, parallel=parallel, **env_vars)


def get_make_parallel_args(parallel=1):
    """Returns the arguments for running the specified number of parallel jobs.
    """
    parallel_args = []

    if int(parallel) <= 0:
        # 0 or -1 means -j without argument (unlimited jobs)
        parallel_args.append('--jobs')
    else:
        parallel_args.append('--jobs=' + str(parallel))

    if int(parallel) != 1:
        # If more than 1 job is used, synchronize parallel output by target
        parallel_args.append('--output-sync=target')

    return parallel_args


def compile_configurator_json(user_keymap, bootloader=None, parallel=1, clean=False, **env_vars):
    """Convert a configurator export JSON file into a C file and then compile it.

    Args:

        user_keymap
            A deserialized keymap export

        bootloader
            A bootloader to flash

        parallel
            The number of make jobs to run in parallel

    Returns:

        A command to run to compile and flash the C file.
    """
    # In case the user passes a keymap.json from a keymap directory directly to the CLI.
    # e.g.: qmk compile - < keyboards/clueboard/california/keymaps/default/keymap.json
    user_keymap["keymap"] = user_keymap.get("keymap", "default_json")

    keyboard_filesafe = user_keymap['keyboard'].replace('/', '_')
    target = f'{keyboard_filesafe}_{user_keymap["keymap"]}'
    intermediate_output = Path(f'{INTERMEDIATE_OUTPUT_PREFIX}{keyboard_filesafe}_{user_keymap["keymap"]}')
    keymap_dir = intermediate_output / 'src'
    keymap_json = keymap_dir / 'keymap.json'

    if clean:
        if intermediate_output.exists():
            shutil.rmtree(intermediate_output)

    # begin with making the deepest folder in the tree
    keymap_dir.mkdir(exist_ok=True, parents=True)

    # Compare minified to ensure consistent comparison
    new_content = json.dumps(user_keymap, separators=(',', ':'))
    if keymap_json.exists():
        old_content = json.dumps(json.loads(keymap_json.read_text(encoding='utf-8')), separators=(',', ':'))
        if old_content == new_content:
            new_content = None

    # Write the keymap.json file if different
    if new_content:
        keymap_json.write_text(new_content, encoding='utf-8')

    # Return a command that can be run to make the keymap and flash if given
    verbose = 'true' if cli.config.general.verbose else 'false'
    color = 'true' if cli.config.general.color else 'false'
    make_command = [_find_make()]

    if not cli.config.general.verbose:
        make_command.append('-s')

    make_command.extend([
        *get_make_parallel_args(parallel),
        '-r',
        '-R',
        '-f',
        'builddefs/build_keyboard.mk',
    ])

    if bootloader:
        make_command.append(bootloader)

    make_command.extend([
        f'KEYBOARD={user_keymap["keyboard"]}',
        f'KEYMAP={user_keymap["keymap"]}',
        f'KEYBOARD_FILESAFE={keyboard_filesafe}',
        f'TARGET={target}',
        f'INTERMEDIATE_OUTPUT={intermediate_output}',
        f'MAIN_KEYMAP_PATH_1={intermediate_output}',
        f'MAIN_KEYMAP_PATH_2={intermediate_output}',
        f'MAIN_KEYMAP_PATH_3={intermediate_output}',
        f'MAIN_KEYMAP_PATH_4={intermediate_output}',
        f'MAIN_KEYMAP_PATH_5={intermediate_output}',
        f'KEYMAP_JSON={keymap_json}',
        f'KEYMAP_PATH={keymap_dir}',
        f'VERBOSE={verbose}',
        f'COLOR={color}',
        'SILENT=false',
        'QMK_BIN="qmk"',
    ])

    for key, value in env_vars.items():
        make_command.append(f'{key}={value}')

    return make_command


def parse_configurator_json(configurator_file):
    """Open and parse a configurator json export
    """
    user_keymap = json_load(configurator_file)
    # Validate against the jsonschema
    try:
        validate(user_keymap, 'qmk.keymap.v1')

    except jsonschema.ValidationError as e:
        cli.log.error(f'Invalid JSON keymap: {configurator_file} : {e.message}')
        exit(1)

    keyboard = user_keymap['keyboard']
    aliases = json_load(Path('data/mappings/keyboard_aliases.hjson'))

    while keyboard in aliases:
        last_keyboard = keyboard
        keyboard = aliases[keyboard].get('target', keyboard)
        if keyboard == last_keyboard:
            break

    user_keymap['keyboard'] = keyboard
    return user_keymap


def build_environment(args):
    """Common processing for cli.args.env
    """
    envs = {}
    for env in args:
        if '=' in env:
            key, value = env.split('=', 1)
            envs[key] = value
        else:
            cli.log.warning('Invalid environment variable: %s', env)
    return envs


def in_virtualenv():
    """Check if running inside a virtualenv.
    Based on https://stackoverflow.com/a/1883251
    """
    active_prefix = getattr(sys, "base_prefix", None) or getattr(sys, "real_prefix", None) or sys.prefix
    return active_prefix != sys.prefix


def dump_lines(output_file, lines, quiet=True):
    """Handle dumping to stdout or file
    Creates parent folders if required
    """
    generated = '\n'.join(lines) + '\n'
    if output_file and output_file.name != '-':
        output_file.parent.mkdir(parents=True, exist_ok=True)
        if output_file.exists():
            output_file.replace(output_file.parent / (output_file.name + '.bak'))
        output_file.write_text(generated, encoding='utf-8')

        if not quiet:
            cli.log.info(f'Wrote {output_file.name} to {output_file}.')
    else:
        print(generated)