qmk_firmware/lib/python/qmk/userspace.py

187 lines
6.9 KiB
Python

# Copyright 2023 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
try:
validate(json, 'qmk.user_repo.v1')
self.__load_v1(json)
success = True
except jsonschema.ValidationError as err:
exception.add('qmk.user_repo.v1', err)
if not success:
raise exception
def save(self):
target_json = {
"userspace_version": "1.0", # Needs to match latest version
"build_targets": []
}
for e in self.build_targets:
if isinstance(e, dict):
target_json['build_targets'].append([e['keyboard'], e['keymap']])
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')
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, 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 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, 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 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']:
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)
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}'