128 lines
3.7 KiB
Python
128 lines
3.7 KiB
Python
"""Helper functions for commands.
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"""
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import os
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import sys
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import shutil
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from pathlib import Path
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from milc import cli
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import jsonschema
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from qmk.constants import QMK_USERSPACE, HAS_QMK_USERSPACE
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from qmk.json_schema import json_load, validate
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from qmk.keyboard import keyboard_alias_definitions
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from qmk.util import maybe_exit
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from qmk.path import unix_style_path
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def find_make():
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"""Returns the correct make command for this environment.
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"""
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make_cmd = os.environ.get('MAKE')
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if not make_cmd:
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make_cmd = 'gmake' if shutil.which('gmake') else 'make'
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return make_cmd
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def get_make_parallel_args(parallel=1):
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"""Returns the arguments for running the specified number of parallel jobs.
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"""
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parallel_args = []
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if int(parallel) <= 0:
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# 0 or -1 means -j without argument (unlimited jobs)
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parallel_args.append('--jobs')
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elif int(parallel) > 1:
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parallel_args.append('--jobs=' + str(parallel))
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if int(parallel) != 1:
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# If more than 1 job is used, synchronize parallel output by target
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parallel_args.append('--output-sync=target')
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return parallel_args
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def parse_configurator_json(configurator_file):
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"""Open and parse a configurator json export
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"""
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user_keymap = json_load(configurator_file)
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# Validate against the jsonschema
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try:
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validate(user_keymap, 'qmk.keymap.v1')
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except jsonschema.ValidationError as e:
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cli.log.error(f'Invalid JSON keymap: {configurator_file} : {e.message}')
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maybe_exit(1)
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keyboard = user_keymap.get('keyboard', None)
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aliases = keyboard_alias_definitions()
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while keyboard in aliases:
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last_keyboard = keyboard
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keyboard = aliases[keyboard].get('target', keyboard)
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if keyboard == last_keyboard:
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break
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user_keymap['keyboard'] = keyboard
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return user_keymap
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def parse_env_vars(args):
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"""Common processing for cli.args.env
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"""
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envs = {}
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for env in args:
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if '=' in env:
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key, value = env.split('=', 1)
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envs[key] = value
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else:
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cli.log.warning('Invalid environment variable: %s', env)
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return envs
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def build_environment(args):
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envs = parse_env_vars(args)
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if HAS_QMK_USERSPACE:
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envs['QMK_USERSPACE'] = unix_style_path(Path(QMK_USERSPACE).resolve())
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return envs
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def in_virtualenv():
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"""Check if running inside a virtualenv.
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Based on https://stackoverflow.com/a/1883251
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"""
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active_prefix = getattr(sys, "base_prefix", None) or getattr(sys, "real_prefix", None) or sys.prefix
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return active_prefix != sys.prefix
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def dump_lines(output_file, lines, quiet=True, remove_repeated_newlines=False):
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"""Handle dumping to stdout or file
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Creates parent folders if required
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"""
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generated = '\n'.join(lines) + '\n'
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if remove_repeated_newlines:
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while '\n\n\n' in generated:
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generated = generated.replace('\n\n\n', '\n\n')
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if output_file and output_file.name != '-':
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output_file.parent.mkdir(parents=True, exist_ok=True)
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if output_file.exists():
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with open(output_file, 'r', encoding='utf-8', newline='\n') as f:
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existing = f.read()
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if existing == generated:
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if not quiet:
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cli.log.info(f'No changes to {output_file.name}.')
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return
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output_file.replace(output_file.parent / (output_file.name + '.bak'))
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with open(output_file, 'w', encoding='utf-8', newline='\n') as f:
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f.write(generated)
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# output_file.write_text(generated, encoding='utf-8', newline='\n') # `newline` needs Python 3.10
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if not quiet:
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cli.log.info(f'Wrote {output_file.name} to {output_file}.')
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else:
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print(generated)
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